Download
Share
Print this page
Friedrich MULTI ZONE MR24DY3JMA Data Book
  1. Manuals
  2. Brands
  3. Friedrich Manuals
  4. Air Conditioner
  5. MULTI ZONE MR24DY3JMA
  6. Data book

Friedrich MULTI ZONE MR24DY3JMA Data Book

Hide thumbs

Advertisement

Quick Links

Download this manual
ENGINEERING PRODUCT
DATA BOOK
MULTI ZONE
Wall-mounted
Ceiling cassette
Concealed duct
T H E E X P E R T S I N R O O M A I R C O N D I T I O N I N G
960-942-06

Advertisement

loading

Related Manuals for Friedrich MULTI ZONE MR24DY3JMA

Summary of Contents for Friedrich MULTI ZONE MR24DY3JMA

  • Page 1 ENGINEERING PRODUCT DATA BOOK Wall-mounted MULTI ZONE Ceiling cassette Concealed duct T H E E X P E R T S I N R O O M A I R C O N D I T I O N I N G 960-942-06...
  • Page 2 MULTI ZONE MULTI ZONE CONTENTS Part 1 General information Part 2 Product data Part 3 Design and installation Part 4 Special parts...
  • Page 3 MULTI ZONE MULTI ZONE Step by step system selection process (reference) MULTI ZONE MULTI ZONE Calculate or obtain the maximum heat load for the area(s) to be air conditioned Indoor unit specifications Outdoor unit specifications Capacity coefficient factor Air flow and temperature distributions Selection of BB unit and branch Selection of the control system Control wiring method...

  • Page 4: Part 1 General Information

    MULTI ZONE MULTI ZONE Part 1 General information 1. Model line up 2. Nomenclature 3. Combination 4. Individual Control System...
  • Page 5 MULTI ZONE MULTI ZONE 1. Model line up 1.1 Indoor units Model names External Category Capacity (kBtu/h Class) Appearance MW09Y3J MW12Y3J Wall mounted MW18Y3J MC12Y3JM Ceiling 4-way cassette MC18Y3JM MD09Y3JM Ceiling concealed static pressure duct MD12Y3JMA MD18Y3JMA General information _ 1...
  • Page 6 MULTI ZONE MULTI ZONE 1. Model line up 1.2 Outdoor units Multiple Piping Type Model Name MR24DY3JMA MR36TQY3JMA No. of connectable indoor units 2 ~ 3 2 ~ 4 (Min. ~ Max.) Total capacity index of connectable indoor units Power supply 208/230V, 1Ø, 60Hz External Appearance...
  • Page 7 MULTI ZONE MULTI ZONE 1. Model line up 1.3 Accessory for Branch Distribution type Outdoor units BB (Branch Box) unit No. of connectable indoor units(Min. ~ Max.) 1 ~ 4 Model name D4PBB Connectable indoor unit capacity kBtu/h 9 ~ 24 External Appearance Branches...
  • Page 8 MULTI ZONE MULTI ZONE 2. Nomenclature Installation Type M, MA : Multi Zone Marketing Model Electrical rating 1 : 115V, 1Ø, 60Hz 3 : 230V, 1Ø, 60Hz Refrigeration Cycle C : Cool Only Y : Heat Pump Application Empty : Single U : Universal D : Multi Zone (Max.
  • Page 9 MULTI ZONE MULTI ZONE 3. Combination 3.1 Selection procedure Outdoor units selection In general, an outdoor unit may be selected as follows, though the location of the unit, and usage of the room, etc. should be considered. The combination of indoor and outdoor units should be determined so that the sum of indoor unit capacity index is smaller than the max.
  • Page 10 MULTI ZONE MULTI ZONE 3. Combination 3.2 Combination of indoor and outdoor unit The total capacity index of indoor units is the sum of capacity index of each unit and should be within the capacity index of the outdoor unit. Outdoor units Indoor units MR24DY3JMA...
  • Page 11 MULTI ZONE MULTI ZONE MULTI ZONE MULTI ZONE 4. Individual Control System 4.1 Control system(standard) These controllers will be provided with the respective indoor units. Applicable model Type Individual controller Simple Ceiling Concealed Duct Wired remote (Low Static) controller SPEED TEMP OPER MODE...

  • Page 12: Part 2 Product Data

    MULTI ZONE MULTI ZONE Part 2 Product data n Indoor units n Outdoor units...
  • Page 13 MULTI ZONE MULTI ZONE n Indoor units 1. Wall Mounted 2. Ceiling cassette 4-way 3. Ceiling concealed duct - Low static pressure...
  • Page 14 MULTI ZONE MULTI ZONE Wall Mounted 1. List of functions 2. Specifications 3. Dimensions 4. Piping diagrams 5. Wiring Diagrams 6. Capacity Tables 7. Air flow and temperature distributions (reference data) 8. Sound levels 9. Controller 10. Installation...
  • Page 15 MULTI ZONE MULTI ZONE 1. List of functions MW09Y3J Category Functions MW12Y3J MW18Y3J Air supply outlet Airflow direction control (left & right) Auto Airflow direction control (up & down) Auto Auto swing (left & right) Air flow Auto swing (up & down) Airflow steps (fan/cool/heat) 6 / 6 / 6 Chaos wind(auto wind)
  • Page 16 MULTI ZONE MULTI ZONE 2. Specifications Model Name MW09Y3J MW12Y3J MW18Y3J Power Supply V, Ø, Hz 208/230, 1, 60 208/230, 1, 60 208/230, 1, 60 Cooling Nominal Btu/h 9,000 12,000 18,000 Capacity Heating Nominal Btu/h 10,400 13,800 20,800 Casing Color White White White...
  • Page 17 MULTI ZONE MULTI ZONE 3. Dimensions Wall mounted...
  • Page 18 MULTI ZONE MULTI ZONE 3. Dimensions Wall mounted...
  • Page 19 MULTI ZONE MULTI ZONE 4. Piping diagrams Models : MW09Y3J/ MW12Y3J/ MW18Y3J Gas pipe connection port Heat Exchanger (flare connection) Thermistor for Evaporator Cross Flow Fan Outlet Temperature Liquid pipe connection port (flare connection) n Refrigerant pipe connection port diameters Unit : mm(inch) Model Liquid...
  • Page 20 MULTI ZONE MULTI ZONE 5. Wiring diagrams Models : MW09Y3J / MW12Y3J Models : MW18Y3J Wall mounted...
  • Page 21 MULTI ZONE MULTI ZONE 6. Capacity Tables n Cooling Capacity Cooling Capacity Indoor Air Temp.: °FDB / °FWB Outdoor Unit Size air temp. 68 / 57 73 / 61 77 / 64 80 / 67 86 / 72 90 / 75 (kBtu/h(kW)) °F DB 8.82...
  • Page 22 MULTI ZONE MULTI ZONE 6. Capacity Tables Cooling Capacity Indoor Air Temp.: °FDB / °FWB Outdoor Unit Size air temp. 68 / 57 73 / 61 77 / 64 80 / 67 86 / 72 90 / 75 (kBtu/h(kW)) °F DB 17.65 12.33 18.74...
  • Page 23 MULTI ZONE MULTI ZONE 6. Capacity Tables n Heating Capacity Heating capacity Indoor Air Temp.: °FDB Outdoor Air Unit Size Temp. (kBtu/h(kW)) °F DB °F WB -0.4 5.35 5.28 5.23 5.20 5.12 4.90 6.03 5.95 5.90 5.88 5.80 5.58 6.71 6.63 6.58 6.56...
  • Page 24 MULTI ZONE MULTI ZONE 7. Air flow and temperature distributions (reference data) Model : MW09Y3J Cooling Heating Discharge angle : 40° Discharge angle : 50° Air velocity [ft/s] Air velocity [ft/s] 16ft 13ft 10ft 16ft 13ft 10ft Temperature [°F] Temperature [°F] 16ft 13ft 10ft...
  • Page 25 MULTI ZONE MULTI ZONE 7. Air flow and temperature distributions (reference data) Model : MW18Y3J Cooling Heating Discharge angle : 40° Discharge angle : 50° Air velocity [ft/s] Air velocity [ft/s] 16ft 13ft 10ft 16ft 13ft 10ft Temperature [°F] Temperature [°F] 16ft 13ft 10ft...
  • Page 26 MULTI ZONE MULTI ZONE 8. Sound levels Overall Notes: - Sound measured at 3.3ft away from the unit. - Data is valid at free field condition. - Data is valid at nominal operation condition. - Reference accoustic pressure 0dB=20μPa. 3.3ft - Sound level will vary depending on a range of factors such as 2.6ft the construction(acoustic absorption coefficient) of particular...
  • Page 27 MULTI ZONE MULTI ZONE 9. Controller Wireless remote controller 1. ENERGY SAVING Button Used to set or clear Energy saving. 2. FAN Button Used to select Fan mode. 3. ON/OFF Button Used to turn on/off the unit. 4. SURGE Button Speed cooling operates super high fan speed.
  • Page 28 MULTI ZONE MULTI ZONE 10. Installation • Please read the instruction sheets completely before installing the product. • When the power cord is damaged, replacement work shall be performed by authorized personnel only. • Installation work must be performed in accordance with the national wiring standards by authorized personnel only. Installation plate Sleeve Bushing-Sleeve...
  • Page 29 MULTI ZONE MULTI ZONE 10. Installation 2) Installation plate dimensions Type 1 : MW09Y3J / MW12Y3J _ 15 Wall mounted...
  • Page 30 MULTI ZONE MULTI ZONE 10. Installation Type 2 : MW18Y3J CAUTION • Use only those accessories (Standard or optional) which have designated specilications 16 _ Wall mounted...
  • Page 31 MULTI ZONE MULTI ZONE 10. Installation ② Measure the wall and mark the centerline. It is also 10.2 Selection of the best location important to use caution concerning the location of the ① There should not be any heat or steam near the unit. installation plate.
  • Page 32 MULTI ZONE MULTI ZONE 10. Installation Wrong method 1) Installation of Indoor Unit • Following bending type from left to right may cause dam- ① Hook the indoor unit onto the upper portion of the instal- age to the tubing. lation plate.( engage the three hooks at the top of the indoor unit with the upper edge of the installation plate) Ensure that the hooks are properly seated on the instal-...
  • Page 33 MULTI ZONE MULTI ZONE 10. Installation Wiring and Piping Connection <Right side piping> ① Insert the connecting cable through the bottom side of indoor unit and connect the cable (You can see detail contents in 'Connecting the cables' section) Tape Connecting cable Drain hose...
  • Page 34 MULTI ZONE MULTI ZONE 10. Installation 3) Wrap the insulation material around the 4) Finishing the indoor unit installation connecting portion. ① Mount the tubing holder in the original positon. ② Ensure that the hooks are properly seated on the instal- ①...
  • Page 35 MULTI ZONE MULTI ZONE 10. Installation 10.6 Checking the Drainage 2) Drain piping ① The drain hose should point downward for easy drain 1) To check the drainage. flow. ① Pour a glass of water on the evaporator. ② Ensure the water flows through the drain hose of the indoor unit without any leakage and goes out the drain Downward slope exit.
  • Page 36 MULTI ZONE MULTI ZONE Ceiling cassette 4-way 1. List of functions 2. Specifications 3. Dimensions 4. Piping diagrams 5. Wiring Diagrams 6. Capacity Tables 7. Air flow and temperature distributions (reference data) 8. Sound levels 9. Controller 10. Installation...
  • Page 37 MULTI ZONE MULTI ZONE 1. List of functions MC12Y3JM Category Function MC18Y3JM Air supply outlet Airflow direction control (left & right) Airflow direction control (up & down) Auto Auto swing (left & right) Air flow Auto swing (up & down) Airflow steps (fan/cool/heat) 4 / 5 / 4 Chaos wind(auto wind)
  • Page 38 MULTI ZONE MULTI ZONE 2. Specifications Model Name MC12Y3JM MC18Y3JM Power Supply V, Ø, Hz 208/230, 1, 60 208/230, 1, 60 Cooling Nominal Btu/h 12,000 18,000 Capacity Heating Nominal Btu/h 13,800 20,800 Casing Color W x H x D 570 × 214 × 570 570 ×...
  • Page 39 MULTI ZONE MULTI ZONE 3. Dimensions Ceiling cassette 4-way...
  • Page 40 MULTI ZONE MULTI ZONE 3. Dimensions Ceiling cassette 4-way...
  • Page 41 MULTI ZONE MULTI ZONE 4. Piping diagrams Gas pipe connection port Heat exchanger (flare connection) Thermistor for Evaporator Turbo fan Outlet Temperature Liquid pipe connection port (flare connection) n Refrigerant pipe connection port diameters Unit : mm(inch) Model Liquid MC12Y3JM Ø9.52(3/8) Ø6.35(1/4) MC18Y3JM...
  • Page 42 MULTI ZONE MULTI ZONE 5. Wiring diagrams Models: MC12Y3JM/ MC18Y3JM Ceiling cassette 4-way...
  • Page 43 MULTI ZONE MULTI ZONE 6. Capacity Tables n Cooling Capacity Cooling Capacity Indoor Air Temp.: °FDB / °FWB Outdoor Unit Size air temp. 68 / 57 73 / 61 77 / 64 80 / 67 86 / 72 90 / 75 (kBtu/h(kW)) °F DB 11.76...
  • Page 44 MULTI ZONE MULTI ZONE 6. Capacity Tables n Heating Capacity Heating capacity Indoor Air Temp.: °FDB Outdoor Air Unit Size Temp. (kBtu/h(kW)) °F DB °F WB -0.4 7.10 7.00 6.93 6.90 6.80 6.50 8.00 7.90 7.83 7.80 7.70 7.40 8.90 8.80 8.73 8.70...
  • Page 45 MULTI ZONE MULTI ZONE 7. Air flow and temperature distributions (reference data) Model : MC12Y3JM Cooling Heating Discharge angle: 40° Discharge angle: 50° Air velocity [ft/s] Air velocity [ft/s] Temperature [°F] Temperature [°F] Model : MC18Y3JM Cooling Heating Discharge angle : 40° Discharge angle : 50°...
  • Page 46 MULTI ZONE MULTI ZONE 8. Sound levels Overall Notes: - Sound measured at 4.9ft away from the unit. - Data is valid at free field condition. - Data is valid at nominal operation condition. Ceiling - Reference accoustic pressure 0dB=20μPa. 4.9ft - Sound level will vary depending on a range of factors such as the construction(acoustic absorption coefficient) of particular...
  • Page 47 MULTI ZONE MULTI ZONE 9. Controller Wireless remote controller 1. ENERGY SAVING Button Used to set or clear Energy saving. 2. FAN Button Used to select Fan mode. 3. ON/OFF Button Used to turn on/off the unit. 4. SURGE Button Speed cooling operates super high fan speed.
  • Page 48 MULTI ZONE MULTI ZONE 10. Installation • Please read the instruction sheets completely before installing the product. • When the power cord is damaged, replacement work shall be performed by authorized personnel only. • Installation work must be performed in accordance with the national wiring standards by authorized personnel only. Pre-filter Air Outlet Air Inlet...
  • Page 49 MULTI ZONE MULTI ZONE 10. Installation 10.2 Selection of the best location 10.3 Precautions regarding cassette indoor unit installation • There should not be any heat source or steam near the unit. • There should not be any obstacles to the air circulation. 1) Main points about the indoor installation •...
  • Page 50 MULTI ZONE MULTI ZONE 10. Installation - Countermeasure: • Refrigerant piping: Increase the piping insulation thickness with thickness above 13/16 inch. • Use the carpet on the floor (compared to the tiles the carpet over it will have a 3 degree rise in temperature) Refrigerant piping •...
  • Page 51 MULTI ZONE MULTI ZONE 10. Installation 10.4 Ceiling opening dimensions and 1) Install the suspension bolts. hanging bolt location (Use either a W3/8” or M10 size bolt) Use a hole-in anchor for existing ceilings, and a sunken insert, sunken anchor or ①...
  • Page 52 MULTI ZONE MULTI ZONE 10. Installation • The following parts are local purchasing. 10.6 Connecting pipes to the indoor unit - Hanging Bolt - W 3/8 or M10 1) Refrigerant piping work - Nut - W 3/8 or M10 Please refer installation manual - Spring Washer - M10 2) Piping insulation - Plate Washer - M10...
  • Page 53 MULTI ZONE MULTI ZONE 10. Installation • Be sure to install heat insulation on the drain piping. 10.7 Installation of decoration panel Heat insulation material: Polyethylene foam with thick- CAUTION ness more than 13/32". • Properly install decoration panel because any slit or gab between unit and decoration panel will result cool air leakage which may responsible for water driblling.
  • Page 54 MULTI ZONE MULTI ZONE 10. Installation 3. Fit the panel on the unit by inserting hooks as shown in 6. Open two screws of control panel cover. picture. Hook clip Screw Hook 7. Connect one display connector and two vane control connectors of front panel to indoor unit PCB.
  • Page 55 MULTI ZONE MULTI ZONE 10. Installation 10.8 Electric wiring work Terminal block in indoor 1) General instructions 1(L1) 2(L2) ① All field supplied parts and materials, electric works must conform to local codes. Connected to outdoor Unit Use copper wire only. ②...
  • Page 56 MULTI ZONE MULTI ZONE 10. Installation NOTE 1. Use round crimp-style terminals for connecting 3. Do not connect wires of different gauge to the same grounding terminal. Loose connection may wires to the power supply terminal block. If unavailable, observe the following points when deteriorate protection.
  • Page 57 MULTI ZONE MULTI ZONE Ceiling concealed duct - Low static pressure 1. List of functions 2. Specifications 3. Dimensions 4. Piping diagrams 5. Wiring Diagrams 6. Capacity Tables 7. External Static Pressure (E.S.P) & Air Flow 8. Sound levels 9. Controller 10.
  • Page 58 MULTI ZONE MULTI ZONE 1. List of functions MD09Y3JM MD12Y3JMA Category Function MD18Y3JMA Air supply outlet Airflow direction control (left & right) Airflow direction control (up & down) Auto swing (left & right) Air flow Auto swing (up & down) Airflow steps (fan/cool/heat) 3 / 3 / 3 Chaos wind(auto wind)
  • Page 59 MULTI ZONE MULTI ZONE 2. Specifications Model Name MD09Y3JM MD12Y3JMA MD18Y3JMA Power Supply V, Ø, Hz 208/230, 1, 60 208/230, 1, 60 208/230, 1, 60 Cooling Nominal Btu/h 9,000 12,000 18,000 Capacity Heating Nominal Btu/h 10,400 13,800 20,800 Casing Color W x H x D 700 ×...
  • Page 60 MULTI ZONE MULTI ZONE 3. Dimensions Ceiling concealed duct - low static pressure...
  • Page 61 MULTI ZONE MULTI ZONE 4. Piping diagrams Models: MD09Y3JM : Cooling : Heating Evaporator Out Temperature Thermistor Evaporator In Temperature Sirocco Fan Thermistor Indoor Unit Inlet Air Temperature Thermistor Description PCB Connector Inlet Air Temperature Thermistor CN-ROOM Evaporator In Temperature Thermistor CN-PIPE/IN Evaporator Out Temperature Thermistor CN-PIPE/OUT...
  • Page 62 MULTI ZONE MULTI ZONE 4. Piping diagrams Models : MD12Y3JMA / MD18Y3JMA : Cooling : Heating Evaporator Out Temperature Thermistor Evaporator In Temperature Sirocco Fan Thermistor Indoor Unit Inlet Air Temperature Thermistor Description PCB Connector Inlet Air Temperature Thermistor CN-ROOM Evaporator In Temperature Thermistor CN-PIPE/IN Evaporator Out Temperature Thermistor...
  • Page 63 MULTI ZONE MULTI ZONE 5. Wiring diagrams Models: MD09Y3JM / MD12Y3JMA / MD18Y3JMA Ceiling concealed duct - low static pressure...
  • Page 64 MULTI ZONE MULTI ZONE 6. Capacity Tables n Cooling Capacity Cooling Capacity Indoor Air Temp.: °FDB / °FWB Outdoor Unit Size air temp. 68 / 57 73 / 61 77 / 64 80 / 67 86 / 72 90 / 75 (kBtu/h(kW)) °F DB 8.82...
  • Page 65 MULTI ZONE MULTI ZONE 6. Capacity Tables Cooling Capacity Indoor Air Temp.: °FDB / °FWB Outdoor Unit Size air temp. 68 / 57 73 / 61 77 / 64 80 / 67 86 / 72 90 / 75 (kBtu/h(kW)) °F DB 17.65 13.09 18.74...
  • Page 66 MULTI ZONE MULTI ZONE 6. Capacity Tables n Heating Capacity Heating capacity Indoor Air Temp.: °FDB Outdoor Air Unit Size Temp. (kBtu/h(kW)) °F DB °F WB -0.4 5.35 5.28 5.23 5.20 5.12 4.90 6.03 5.95 5.90 5.88 5.80 5.58 6.71 6.63 6.58 6.56...
  • Page 67 MULTI ZONE MULTI ZONE 7. External Static Pressure (E.S.P) & Air Flow How to Set E.S.P. on the remote controller? This is the function that decides the strength of the wind for each wind level and because this function is to make the instal- lation easier.
  • Page 68 MULTI ZONE MULTI ZONE 7. External Static Pressure (E.S.P) & Air Flow E.S.P. setting value (reference) Static Pressure(mmAq(in.Aq)) Model Names Step 0(0) 1(0.04) 2(0.08) 3(0.12) 4(0.16) 5(0.2) Setting Value HIGH MD09Y3JM HIGH MD12Y3JMA HIGH MD18Y3JMA [ Notes ] 1. To get the desired Airflow & E.S.P. combination from the table set the matching value from the table. Value other than that in table will not give the combinations of airflow &...
  • Page 69 MULTI ZONE MULTI ZONE 8. Sound levels Overall Notes: - Data is valid at nominal operation condition - Reference accoustic pressure 0dB=20μPa - Sound level will vary depending on a range of factors such as Ceiling the construction(acoustic absorption coefficient) of particular 6.6ft room in which the equipment is installed.
  • Page 70 MULTI ZONE MULTI ZONE 9. Controller 1. Operation Display Panel 2. Temperature Control Button 3. Fan Speed Button 4. On/Off Button 5. Operation Mode select Button SPEED TEMP OPER MODE h Each function will be shown on the display panel for three seconds or so when the power is applied at first. h Please refer to controller manual for more information _ 13 Ceiling concealed duct - low static pressure...
  • Page 71 MULTI ZONE MULTI ZONE 10. Installation • Please read the instruction sheets completely before installing the product. • When the power cord is damaged, replacement work shall be performed by authorized personnel only. • Installation work must be performed in accordance with the national wiring standards. Air outlet vents Air filters Air intake vents...
  • Page 72 MULTI ZONE MULTI ZONE 10. Installation 10.2 Selection of the best location Top view (Unit : mm(inch)) Install the air conditioner in the location that satisfies the following conditions. • The place shall easily bear a load exceeding four times the indoor unit’s weight.
  • Page 73 MULTI ZONE MULTI ZONE 10. Installation 10.3 Ceiling dimension and hanging bolt location and service space n Installation of Unit Install the unit above the ceiling correctly. CASE 1 Position of suspension Bolt • Apply a joint-canvas between the unit and duct to absorb unnecessary vibration. •...
  • Page 74 MULTI ZONE MULTI ZONE 10. Installation 10.4 Position of suspension bolt ① A place where the unit will be leveled and that can sup- port the weight of the unit. ② A place where the unit can withstand its vibration. ③...
  • Page 75 MULTI ZONE MULTI ZONE 10. Installation 10.5 Connecting pipes to the indoor unit 1) Refrigerant piping work Liquid pipe Please refer to installation manual. Refrigerant pipe and thermal insulation(Local supply) 2) Piping insulation Clamp for insulation ① Perform heat insulation work completely on both gas and (Local supply) the liquid pipe.
  • Page 76 MULTI ZONE MULTI ZONE 10. Installation 3) Indoor unit drain piping • Lay the drain hose with a downware inclination so water will drain out. ① Drain piping must have down-slope (1/50 to 1/100): be sure not to provide up-and-down slope to prevent rever- Thermal insulator sal flow.
  • Page 77 MULTI ZONE MULTI ZONE 10. Installation 10.6 Electric wiring work Thermal insulation (Local supply) 1) General instructions Drain pipe ① All field supplied parts and materials, electric works must Unit (Local supply) conform to local codes. Use copper wire only. ②...
  • Page 78 MULTI ZONE MULTI ZONE 10. Installation Clamping of cables NOTE ① Arrange 2 power cables on the control panel. ② First, fasten the steel clamp with a screw to the inner 1. Use round crimp-style terminals for connecting boss of control panel. wires to the power supply terminal block.
  • Page 79 MULTI ZONE MULTI ZONE n Outdoor units 1. Multiple piping type 2. Branch Distribution type 3. BB (Branch Box) unit...
  • Page 80 MULTI ZONE MULTI ZONE Multiple piping type 1. List of functions 2. Specifications 3. Combination table 4. Dimensions 5. Piping diagrams 6. Wiring diagrams 7. Capacity tables 8. Capacity coefficient factor 9. Operation range 10. Electrical characteristics 11. Field wiring diagram 12.
  • Page 81 MULTI ZONE MULTI ZONE 1. List of functions Category Functions MR24DY3JMA, MR36TQY3JMA Defrost / Deicing High pressure switch Low pressure switch Phase protection Reliability Restart delay (3-minutes) Self diagnosis Soft start Test function Convenience Night Silent Operation Note : O : Applied, × : Not applied Accessory model name : Installed at field, ordered and purchased separately by the corresponding model name, supplied with separate package.
  • Page 82 MULTI ZONE MULTI ZONE 2. Specifications Model Name MR24DY3JMA MR36TQY3JMA Nominal Nominal Btu/h Class 24,000 36,000 Heating Min.~Rated~Max. Btu/h Capacity* 10,800 ~ 20,000 ~ 25,000 10,800 ~ 32,000 ~ 38,400 Heating Min.~Rated~Max. Btu/h 11,880 ~ 24,000 ~ 28,800 11,880 ~ 36,000 ~ 41,600 Cooling Min.~Rated~Max.
  • Page 83 MULTI ZONE MULTI ZONE 3. Combination table Models : MR24DY3JMA n Non ducted type indoor unit Cooling Combination of Total Capacity Room Capacity Input(W) Indoor Unit (kBtu/h Class) Rated SEER UNIT-A UNIT-B UNIT-C UNIT-D UNIT UNIT-A UNIT-B UNIT-C UNIT-D Total Btu/h Btu/h Btu/h...
  • Page 84 MULTI ZONE MULTI ZONE 3. Combination table Models : MR24DY3JMA n Mixed type indoor unit Cooling Combination of Total Capacity Room Capacity Input(W) Indoor Unit (kBtu/h Class) Rated SEER UNIT-A UNIT-B UNIT-C UNIT-D UNIT UNIT-A UNIT-B UNIT-C UNIT-D Total Btu/h Btu/h Btu/h Rated...
  • Page 85 MULTI ZONE MULTI ZONE 3. Combination table Models : MR36TQY3JMA n Non ducted type indoor unit Cooling Combination of Total Capacity Room Capacity Input(W) Indoor Unit (kBtu/h Class) Rated SEER UNIT-A UNIT-B UNIT-C UNIT-D UNIT UNIT-A UNIT-B UNIT-C UNIT-D Total Btu/h Btu/h Btu/h...
  • Page 86 MULTI ZONE MULTI ZONE 3. Combination table Models : MR36TQY3JMA n Ducted type indoor unit Cooling Combination of Total Capacity Room Capacity Input(W) Indoor Unit (kBtu/h Class) Rated SEER UNIT-A UNIT-B UNIT-C UNIT-D UNIT UNIT-A UNIT-B UNIT-C UNIT-D Total Btu/h Btu/h Btu/h Rated...
  • Page 87 MULTI ZONE MULTI ZONE 3. Combination table Models : MR36TQY3JMA n Mixed type indoor unit Cooling Combination of Total Capacity Room Capacity Input(W) Indoor Unit (kBtu/h Class) Rated SEER UNIT-A UNIT-B UNIT-C UNIT-D UNIT UNIT-A UNIT-B UNIT-C UNIT-D Total Btu/h Btu/h Btu/h Rated...
  • Page 88 MULTI ZONE MULTI ZONE 3. Combination table Models : MR36TQY3JMA n Mixed type indoor unit Heating Combination of Total Capacity Room Capacity Input(W) Indoor Unit (kBtu/h Class) Rated HSPF UNIT-A UNIT-B UNIT-C UNIT-D UNIT UNIT-A UNIT-B UNIT-C UNIT-D Total Btu/h Btu/h Btu/h Rated...
  • Page 89 MULTI ZONE MULTI ZONE 4. Dimensions Multiple piping type _ 9...
  • Page 90 MULTI ZONE MULTI ZONE 4. Dimensions 10 _ Multiple piping type...
  • Page 91 MULTI ZONE MULTI ZONE 5. Piping diagrams Models : MR24DY3JMA Outdoor Unit Inlet Air Temperature Thermistor Flare Connection Condensing Temperature Thermistor Electronic Expansion Valve-A ROOM A Electronic Expansion Valve-B Strainer ROOM B Electronic Expansion Valve-C ROOM C Condenser Out Temperature Main SVC V/V Thermistor Pressure...
  • Page 92 MULTI ZONE MULTI ZONE 5. Piping diagrams Models : MR36TQY3JMA Outdoor Unit Condenser Out Inlet Air Temperature Temperature Thermistor Flare Connection Thermistor Electronic Expansion Valve-A Condensing Room A Electronic Temperature Expansion Valve-B Room B Thermistor Electronic Expansion Valve-C Room C Electronic Expansion Valve-D Room D...
  • Page 93 MULTI ZONE MULTI ZONE 6. Wiring diagram Models : MR24DY3JMA Multiple piping type _ 13...
  • Page 94 MULTI ZONE MULTI ZONE 6. Wiring diagram Models : MR36TQY3JMA 14 _ Multiple piping type...
  • Page 95 MULTI ZONE MULTI ZONE 7. Capacity tables Models : MR24DY3JMA n Non ducted type indoor unit Cooling capacity Indoor Air Temp. °F DB / °F WB 68 / 57 73 / 61 77 / 64 80 / 67 86 / 72 90 / 75 Combination Outdoor Air...
  • Page 96 MULTI ZONE MULTI ZONE 7. Capacity tables Models : MR24DY3JMA n Non ducted type indoor unit Cooling capacity Indoor Air Temp. °F DB / °F WB 68 / 57 73 / 61 77 / 64 80 / 67 86 / 72 90 / 75 Combination Outdoor Air...
  • Page 97 MULTI ZONE MULTI ZONE 7. Capacity tables Models : MR24DY3JMA n Non ducted type indoor unit Cooling capacity Indoor Air Temp. °F DB / °F WB 68 / 57 73 / 61 77 / 64 80 / 67 86 / 72 90 / 75 Combination Outdoor Air...
  • Page 98 MULTI ZONE MULTI ZONE 7. Capacity tables Models : MR24DY3JMA n Non ducted type indoor unit Heating capacity Indoor Air Temp.: °FDB Outdoor Air Combination Temp. Operation Capacity Index (kBtu/h) °F DB °F WB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h -4.4 6.35 1.32...
  • Page 99 MULTI ZONE MULTI ZONE 7. Capacity tables Models : MR24DY3JMA n Non ducted type indoor unit Heating capacity Indoor Air Temp.: °FDB Outdoor Air Combination Temp. Operation Capacity Index (kBtu/h) °F DB °F WB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h -4.4 7.69 1.50...
  • Page 100 MULTI ZONE MULTI ZONE 7. Capacity tables Models : MR24DY3JMA n Non ducted type indoor unit Heating capacity Indoor Air Temp.: °FDB Outdoor Air Combination Temp. Operation Capacity Index (kBtu/h) °F DB °F WB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h -4.4 7.69 1.39...
  • Page 101 MULTI ZONE MULTI ZONE 7. Capacity tables Models : MR24DY3JMA n Ducted type indoor unit Cooling capacity Indoor Air Temp. °F DB / °F WB 68 / 57 73 / 61 77 / 64 80 / 67 86 / 72 90 / 75 Combination Outdoor Air...
  • Page 102 MULTI ZONE MULTI ZONE 7. Capacity tables Models : MR24DY3JMA n Ducted type indoor unit Cooling capacity Indoor Air Temp. °F DB / °F WB 68 / 57 73 / 61 77 / 64 80 / 67 86 / 72 90 / 75 Combination Outdoor Air...
  • Page 103 MULTI ZONE MULTI ZONE 7. Capacity tables Models : MR24DY3JMA n Ducted type indoor unit Cooling capacity Indoor Air Temp. °F DB / °F WB 68 / 57 73 / 61 77 / 64 80 / 67 86 / 72 90 / 75 Combination Outdoor Air...
  • Page 104 MULTI ZONE MULTI ZONE 7. Capacity tables Models : MR24DY3JMA n Ducted type indoor unit Heating capacity Indoor Air Temp.: °FDB Outdoor Air Combination Temp. Operation Capacity Index (kBtu/h) °F DB °F WB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h -4.4 6.76 1.38 6.24...
  • Page 105 MULTI ZONE MULTI ZONE 7. Capacity tables Models : MR24DY3JMA n Ducted type indoor unit Heating capacity Indoor Air Temp.: °FDB Outdoor Air Combination Temp. Operation Capacity Index (kBtu/h) °F DB °F WB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h -4.4 8.16 1.57 7.53...
  • Page 106 MULTI ZONE MULTI ZONE 7. Capacity tables Models : MR24DY3JMA n Ducted type indoor unit Heating capacity Indoor Air Temp.: °FDB Outdoor Air Combination Temp. Operation Capacity Index (kBtu/h) °F DB °F WB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h -4.4 8.16 1.46 7.53...
  • Page 107 MULTI ZONE MULTI ZONE 7. Capacity tables Models : MR24DY3JMA n Mixed type indoor unit Cooling capacity Indoor Air Temp. °F DB / °F WB 68 / 57 73 / 61 77 / 64 80 / 67 86 / 72 90 / 75 Combination Outdoor Air...
  • Page 108 MULTI ZONE MULTI ZONE 7. Capacity tables Models : MR24DY3JMA n Mixed type indoor unit Cooling capacity Indoor Air Temp. °F DB / °F WB 68 / 57 73 / 61 77 / 64 80 / 67 86 / 72 90 / 75 Combination Outdoor Air...
  • Page 109 MULTI ZONE MULTI ZONE 7. Capacity tables Models : MR24DY3JMA n Mixed type indoor unit Cooling capacity Indoor Air Temp. °F DB / °F WB 68 / 57 73 / 61 77 / 64 80 / 67 86 / 72 90 / 75 Combination Outdoor Air...
  • Page 110 MULTI ZONE MULTI ZONE 7. Capacity tables Models : MR24DY3JMA n Mixed type indoor unit Heating capacity Indoor Air Temp.: °FDB Outdoor Air Combination Temp. Operation Capacity Index (kBtu/h) °F DB °F WB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h -4.4 6.55 1.35 6.03...
  • Page 111 MULTI ZONE MULTI ZONE 7. Capacity tables Models : MR24DY3JMA n Mixed type indoor unit Heating capacity Indoor Air Temp.: °FDB Outdoor Air Combination Temp. Operation Capacity Index (kBtu/h) °F DB °F WB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h -4.4 7.94 1.53 7.32...
  • Page 112 MULTI ZONE MULTI ZONE 7. Capacity tables Models : MR24DY3JMA n Mixed type indoor unit Heating capacity Indoor Air Temp.: °FDB Outdoor Air Combination Temp. Operation Capacity Index (kBtu/h) °F DB °F WB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h -4.4 7.94 1.42 7.32...
  • Page 113 MULTI ZONE MULTI ZONE 7. Capacity tables Models : MR36TQY3JMA n Non ducted type indoor unit Cooling capacity Indoor Air Temp. °F DB / °F WB 68 / 57 73 / 61 77 / 64 80 / 67 86 / 72 90 / 75 Combination Outdoor Air...
  • Page 114 MULTI ZONE MULTI ZONE 7. Capacity tables Models : MR36TQY3JMA n Non ducted type indoor unit Cooling capacity Indoor Air Temp. °F DB / °F WB 68 / 57 73 / 61 77 / 64 80 / 67 86 / 72 90 / 75 Combination Outdoor Air...
  • Page 115 MULTI ZONE MULTI ZONE 7. Capacity tables Models : MR36TQY3JMA n Non ducted type indoor unit Cooling capacity Indoor Air Temp. °F DB / °F WB 68 / 57 73 / 61 77 / 64 80 / 67 86 / 72 90 / 75 Combination Outdoor Air...
  • Page 116 MULTI ZONE MULTI ZONE 7. Capacity tables Models : MR36TQY3JMA n Non ducted type indoor unit Cooling capacity Indoor Air Temp. °F DB / °F WB 68 / 57 73 / 61 77 / 64 80 / 67 86 / 72 90 / 75 Combination Outdoor Air...
  • Page 117 MULTI ZONE MULTI ZONE 7. Capacity tables Models : MR36TQY3JMA n Non ducted type indoor unit Cooling capacity Indoor Air Temp. °F DB / °F WB 68 / 57 73 / 61 77 / 64 80 / 67 86 / 72 90 / 75 Combination Outdoor Air...
  • Page 118 MULTI ZONE MULTI ZONE 7. Capacity tables Models : MR36TQY3JMA n Non ducted type indoor unit Cooling capacity Indoor Air Temp. °F DB / °F WB 68 / 57 73 / 61 77 / 64 80 / 67 86 / 72 90 / 75 Combination Outdoor Air...
  • Page 119 MULTI ZONE MULTI ZONE 7. Capacity tables Models : MR36TQY3JMA n Non ducted type indoor unit Cooling capacity Indoor Air Temp. °F DB / °F WB 68 / 57 73 / 61 77 / 64 80 / 67 86 / 72 90 / 75 Combination Outdoor Air...
  • Page 120 MULTI ZONE MULTI ZONE 7. Capacity tables Models : MR36TQY3JMA n Non ducted type indoor unit Cooling capacity Indoor Air Temp. °F DB / °F WB 68 / 57 73 / 61 77 / 64 80 / 67 86 / 72 90 / 75 Combination Outdoor Air...
  • Page 121 MULTI ZONE MULTI ZONE 7. Capacity tables Models : MR36TQY3JMA n Non ducted type indoor unit Heating capacity Indoor Air Temp.: °FDB Outdoor Air Combination Temp. Operation Capacity Index (kBtu/h) °F DB °F WB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h -4.4 6.75 1.36...
  • Page 122 MULTI ZONE MULTI ZONE 7. Capacity tables Models : MR36TQY3JMA n Non ducted type indoor unit Heating capacity Indoor Air Temp.: °FDB Outdoor Air Combination Temp. Operation Capacity Index (kBtu/h) °F DB °F WB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h -4.4 11.13 1.98...
  • Page 123 MULTI ZONE MULTI ZONE 7. Capacity tables Models : MR36TQY3JMA n Non ducted type indoor unit Heating capacity Indoor Air Temp.: °FDB Outdoor Air Combination Temp. Operation Capacity Index (kBtu/h) °F DB °F WB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h -4.4 12.14 1.95...
  • Page 124 MULTI ZONE MULTI ZONE 7. Capacity tables Models : MR36TQY3JMA n Non ducted type indoor unit Heating capacity Indoor Air Temp.: °FDB Outdoor Air Combination Temp. Operation Capacity Index (kBtu/h) °F DB °F WB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h -4.4 12.14 1.95...
  • Page 125 MULTI ZONE MULTI ZONE 7. Capacity tables Models : MR36TQY3JMA n Non ducted type indoor unit Heating capacity Indoor Air Temp.: °FDB Outdoor Air Combination Temp. Operation Capacity Index (kBtu/h) °F DB °F WB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h -4.4 12.14 1.88...
  • Page 126 MULTI ZONE MULTI ZONE 7. Capacity tables Models : MR36TQY3JMA n Non ducted type indoor unit Heating capacity Indoor Air Temp.: °FDB Outdoor Air Combination Temp. Operation Capacity Index (kBtu/h) °F DB °F WB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h -4.4 12.14 1.88...
  • Page 127 MULTI ZONE MULTI ZONE 7. Capacity tables Models : MR36TQY3JMA n Ducted type indoor unit Cooling capacity Indoor Air Temp. °F DB / °F WB 68 / 57 73 / 61 77 / 64 80 / 67 86 / 72 90 / 75 Combination Outdoor Air...
  • Page 128 MULTI ZONE MULTI ZONE 7. Capacity tables Models : MR36TQY3JMA n Ducted type indoor unit Cooling capacity Indoor Air Temp. °F DB / °F WB 68 / 57 73 / 61 77 / 64 80 / 67 86 / 72 90 / 75 Combination Outdoor Air...
  • Page 129 MULTI ZONE MULTI ZONE 7. Capacity tables Models : MR36TQY3JMA n Ducted type indoor unit Cooling capacity Indoor Air Temp. °F DB / °F WB 68 / 57 73 / 61 77 / 64 80 / 67 86 / 72 90 / 75 Combination Outdoor Air...
  • Page 130 MULTI ZONE MULTI ZONE 7. Capacity tables Models : MR36TQY3JMA n Ducted type indoor unit Cooling capacity Indoor Air Temp. °F DB / °F WB 68 / 57 73 / 61 77 / 64 80 / 67 86 / 72 90 / 75 Combination Outdoor Air...
  • Page 131 MULTI ZONE MULTI ZONE 7. Capacity tables Models : MR36TQY3JMA n Ducted type indoor unit Cooling capacity Indoor Air Temp. °F DB / °F WB 68 / 57 73 / 61 77 / 64 80 / 67 86 / 72 90 / 75 Combination Outdoor Air...
  • Page 132 MULTI ZONE MULTI ZONE 7. Capacity tables Models : MR36TQY3JMA n Ducted type indoor unit Cooling capacity Indoor Air Temp. °F DB / °F WB 68 / 57 73 / 61 77 / 64 80 / 67 86 / 72 90 / 75 Combination Outdoor Air...
  • Page 133 MULTI ZONE MULTI ZONE 7. Capacity tables Models : MR36TQY3JMA n Ducted type indoor unit Cooling capacity Indoor Air Temp. °F DB / °F WB 68 / 57 73 / 61 77 / 64 80 / 67 86 / 72 90 / 75 Combination Outdoor Air...
  • Page 134 MULTI ZONE MULTI ZONE 7. Capacity tables Models : MR36TQY3JMA n Ducted type indoor unit Cooling capacity Indoor Air Temp. °F DB / °F WB 68 / 57 73 / 61 77 / 64 80 / 67 86 / 72 90 / 75 Combination Outdoor Air...
  • Page 135 MULTI ZONE MULTI ZONE 7. Capacity tables Models : MR36TQY3JMA n Ducted type indoor unit Heating capacity Indoor Air Temp.: °FDB Outdoor Air Combination Temp. Operation Capacity Index (kBtu/h) °F DB °F WB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h -4.4 6.97 1.48 6.55...
  • Page 136 MULTI ZONE MULTI ZONE 7. Capacity tables Models : MR36TQY3JMA n Ducted type indoor unit Heating capacity Indoor Air Temp.: °FDB Outdoor Air Combination Temp. Operation Capacity Index (kBtu/h) °F DB °F WB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h -4.4 11.62 2.17 10.91...
  • Page 137 MULTI ZONE MULTI ZONE 7. Capacity tables Models : MR36TQY3JMA n Ducted type indoor unit Heating capacity Indoor Air Temp.: °FDB Outdoor Air Combination Temp. Operation Capacity Index (kBtu/h) °F DB °F WB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h -4.4 12.67 2.13 11.90...
  • Page 138 MULTI ZONE MULTI ZONE 7. Capacity tables Models : MR36TQY3JMA n Ducted type indoor unit Heating capacity Indoor Air Temp.: °FDB Outdoor Air Combination Temp. Operation Capacity Index (kBtu/h) °F DB °F WB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h -4.4 12.67 2.13 11.90...
  • Page 139 MULTI ZONE MULTI ZONE 7. Capacity tables Models : MR36TQY3JMA n Ducted type indoor unit Heating capacity Indoor Air Temp.: °FDB Outdoor Air Combination Temp. Operation Capacity Index (kBtu/h) °F DB °F WB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h -4.4 12.67 2.06 11.90...
  • Page 140 MULTI ZONE MULTI ZONE 7. Capacity tables Models : MR36TQY3JMA n Ducted type indoor unit Heating capacity Indoor Air Temp.: °FDB Outdoor Air Combination Temp. Operation Capacity Index (kBtu/h) °F DB °F WB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h -4.4 12.67 2.06 11.90...
  • Page 141 MULTI ZONE MULTI ZONE 7. Capacity tables Models : MR36TQY3JMA n Mixed type indoor unit Cooling capacity Indoor Air Temp. °F DB / °F WB 68 / 57 73 / 61 77 / 64 80 / 67 86 / 72 90 / 75 Combination Outdoor Air...
  • Page 142 MULTI ZONE MULTI ZONE 7. Capacity tables Models : MR36TQY3JMA n Mixed type indoor unit Cooling capacity Indoor Air Temp. °F DB / °F WB 68 / 57 73 / 61 77 / 64 80 / 67 86 / 72 90 / 75 Combination Outdoor Air...
  • Page 143 MULTI ZONE MULTI ZONE 7. Capacity tables Models : MR36TQY3JMA n Mixed type indoor unit Cooling capacity Indoor Air Temp. °F DB / °F WB 68 / 57 73 / 61 77 / 64 80 / 67 86 / 72 90 / 75 Combination Outdoor Air...
  • Page 144 MULTI ZONE MULTI ZONE 7. Capacity tables Models : MR36TQY3JMA n Mixed type indoor unit Cooling capacity Indoor Air Temp. °F DB / °F WB 68 / 57 73 / 61 77 / 64 80 / 67 86 / 72 90 / 75 Combination Outdoor Air...
  • Page 145 MULTI ZONE MULTI ZONE 7. Capacity tables Models : MR36TQY3JMA n Mixed type indoor unit Cooling capacity Indoor Air Temp. °F DB / °F WB 68 / 57 73 / 61 77 / 64 80 / 67 86 / 72 90 / 75 Combination Outdoor Air...
  • Page 146 MULTI ZONE MULTI ZONE 7. Capacity tables Models : MR36TQY3JMA n Mixed type indoor unit Cooling capacity Indoor Air Temp. °F DB / °F WB 68 / 57 73 / 61 77 / 64 80 / 67 86 / 72 90 / 75 Combination Outdoor Air...
  • Page 147 MULTI ZONE MULTI ZONE 7. Capacity tables Models : MR36TQY3JMA n Mixed type indoor unit Cooling capacity Indoor Air Temp. °F DB / °F WB 68 / 57 73 / 61 77 / 64 80 / 67 86 / 72 90 / 75 Combination Outdoor Air...
  • Page 148 MULTI ZONE MULTI ZONE 7. Capacity tables Models : MR36TQY3JMA n Mixed type indoor unit Cooling capacity Indoor Air Temp. °F DB / °F WB 68 / 57 73 / 61 77 / 64 80 / 67 86 / 72 90 / 75 Combination Outdoor Air...
  • Page 149 MULTI ZONE MULTI ZONE 7. Capacity tables Models : MR36TQY3JMA n Mixed type indoor unit Heating capacity Indoor Air Temp.: °FDB Outdoor Air Combination Temp. Operation Capacity Index (kBtu/h) °F DB °F WB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h -4.4 6.82 1.41 6.40...
  • Page 150 MULTI ZONE MULTI ZONE 7. Capacity tables Models : MR36TQY3JMA n Mixed type indoor unit Heating capacity Indoor Air Temp.: °FDB Outdoor Air Combination Temp. Operation Capacity Index (kBtu/h) °F DB °F WB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h -4.4 11.37 2.07 10.67...
  • Page 151 MULTI ZONE MULTI ZONE 7. Capacity tables Models : MR36TQY3JMA n Mixed type indoor unit Heating capacity Indoor Air Temp.: °FDB Outdoor Air Combination Temp. Operation Capacity Index (kBtu/h) °F DB °F WB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h -4.4 12.40 2.03 11.64...
  • Page 152 MULTI ZONE MULTI ZONE 7. Capacity tables Models : MR36TQY3JMA n Mixed type indoor unit Heating capacity Indoor Air Temp.: °FDB Outdoor Air Combination Temp. Operation Capacity Index (kBtu/h) °F DB °F WB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h -4.4 12.40 2.03 11.64...
  • Page 153 MULTI ZONE MULTI ZONE 7. Capacity tables Models : MR36TQY3JMA n Mixed type indoor unit Heating capacity Indoor Air Temp.: °FDB Outdoor Air Combination Temp. Operation Capacity Index (kBtu/h) °F DB °F WB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h -4.4 12.40 1.97 11.64...
  • Page 154 MULTI ZONE MULTI ZONE 7. Capacity tables Models : MR36TQY3JMA n Mixed type indoor unit Heating capacity Indoor Air Temp.: °FDB Outdoor Air Combination Temp. Operation Capacity Index (kBtu/h) °F DB °F WB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h -4.4 12.40 1.97 11.64...
  • Page 155 MULTI ZONE MULTI ZONE 8. Capacity coefficient factor 1) Rate of change in capacity due to increased piping length 9k Btu/h models 18k Btu/h models Rate of change in capacity Rate of change in capacity Piping Piping Length(m(ft)) Length(m(ft)) Cooling(%) Heating(%) Cooling(%) Heating(%)
  • Page 156 MULTI ZONE MULTI ZONE 9. Operation range Heating Cooling Continuous Operation Continuous Operation 91.3 57 59 Indoor Temp. [°F DB] Indoor Temperature [°F WB] 76 _ Multiple piping type...
  • Page 157 MULTI ZONE MULTI ZONE 10. Electric characteristics External wiring procedure - The power supply work is needed only to the outdoor unit. The power supply to the indoor unit is conducted through the power and communication wiring. Therefore, the power supply work can be carried out at just one place of the outdoor unit.
  • Page 158 MULTI ZONE MULTI ZONE 10. Electric characteristics Unit Power Compressor Model Type Hz Voltage Voltage range MR24DY3JMA 14.3 0.09 0.59 MIN.:187 Inverter 60 208/230 MAX.:253 MR36TQY3JMA 17.9 11.2 0.12 0.73 Notes : 1. Voltage range MCA : Minimum Circuit Amperes. (A) Voltage supplied to the unit terminals should be withn the minimum and maximum range.
  • Page 159 MULTI ZONE MULTI ZONE 11. Field wiring diagrams Outdoor unit Power supply Main switch Circuit breaker Terminal Block outdoor L2 1(L1) 2(L2) 3(A) 3(B) 1(L1) 2(L2) 3(C) 3(D) Fuse power cable (Including earth) 1(L1) 2(L2) 1(L1) 2(L2) 1(L1) 2(L2) 1(L1) 2(L2) Terminal block indoor Terminal block indoor Terminal block indoor...
  • Page 160 MULTI ZONE MULTI ZONE 12. Sound levels Overall Notes: Microphone - Sound measured at 3.3ft away from the unit. - Data is valid at free field condition. 3.3ft - Data is valid at nominal operation condition. - Reference accoustic pressure 0dB=20μPa. - Sound level will vary depending on a range of factors such as the construction(acoustic absorption coefficient) of particular room in which the equipment is installed.
  • Page 161 MULTI ZONE MULTI ZONE Branch Distribution type 1. List of functions 2. Specifications 3. Combination table 4. Dimensions 5. Piping diagrams 6. Wiring diagrams 7. Capacity tables 8. Capacity coefficient factor 9. Operation range 10. Electrical characteristics 11. Field wiring diagram 12.
  • Page 162 MULTI ZONE MULTI ZONE 1. List of functions Category Functions MR48DEY3JM Defrost / Deicing High pressure switch Low pressure switch Phase protection Reliability Restart delay (3-minutes) Self diagnosis Soft start Test function Convenience Night Silent Operation [Note] • O: Applied, • X: Not applied Branch Distribution type _ 1...
  • Page 163 MULTI ZONE MULTI ZONE 2. Specifications Model Name MR48DEY3JM 48,000 Nominal Btu/h Class 14,400~48,000~58,000 Capacity* Cooling Min.~Rated~Max. Btu/h 15,840~54,000~61,000 Heating Min.~Rated~Max. Btu/h 0.97~3.84~5.71 Cooling Min.~Rated~Max. Power Input 1.42~4.32~6.02 Heating Min.~Rated~Max. 12.5 / 3.7 EER / COP Non Ducted Non Ducted 19.5 / 10.0 SEER / HSPF Mixed...
  • Page 164 MULTI ZONE MULTI ZONE 3. Combination table The individual indoor unit capacity can be calculated as follows depending on the total connected capacity of all indoor units. Individual indoor unit Individual indoor unit rated capacity [Q Outdoor unit rated capacity idu(rated) combinational capacity x –––––––––––––––––––––––––––––––––––––––––––...
  • Page 165 MULTI ZONE MULTI ZONE 3. Combination table Models : MR48DEY3JM n Non ducted type indoor unit Heating Heating capacity Input(W) Total indoor unit Rated HSPF capacity (kBtu/h) Btu/h Btu/h Btu/h Rated 15,840 4.64 26,400 7.74 27,720 8.12 1,419 2,200 2,640 11.0 16,500 4.84...
  • Page 166 MULTI ZONE MULTI ZONE 3. Combination table Models : MR48DEY3JM n Ducted type indoor unit Cooling Cooling capacity Input(W) Total indoor unit Rated SEER capacity (kBtu/h) Btu/h Btu/h Btu/h Rated 13,200 3.87 22,000 6.45 24,200 7.09 1,450 1,740 15.2 20.0 13,750 4.03 22,917...
  • Page 167 MULTI ZONE MULTI ZONE 3. Combination table Models : MR48DEY3JM n Ducted type indoor unit Heating Heating capacity Input(W) Total indoor unit Rated HSPF capacity (kBtu/h) Btu/h Btu/h Btu/h Rated 14,667 4.30 24,444 7.16 25,667 7.52 1,379 2,138 2,566 10.7 15,278 4.48 25,463...
  • Page 168 MULTI ZONE MULTI ZONE 3. Combination table Models : MR48DEY3JM n Mixed type indoor unit Cooling Cooling capacity Input(W) Total indoor unit Rated SEER capacity (kBtu/h) Btu/h Btu/h Btu/h Rated 13,800 4.04 23,000 6.74 25,300 7.42 1,475 1,770 15.6 20.5 14,375 4.21 23,958...
  • Page 169 MULTI ZONE MULTI ZONE 3. Combination table Models : MR48DEY3JM n Mixed type indoor unit Heating Heating capacity Input(W) Total indoor unit Rated HSPF capacity (kBtu/h) Btu/h Btu/h Btu/h Rated 15,253 4.47 25,422 7.45 26,693 7.82 1,399 2,169 2,603 10.8 15,889 4.66 26,481...
  • Page 170 MULTI ZONE MULTI ZONE 4. Dimensions Branch Distribution type _ 9...
  • Page 171 MULTI ZONE MULTI ZONE 5. Piping diagrams Models : MR48DEY3JM Outdoor Unit Condenser Out Inlet Air Temperature Temperature Thermistor Thermistor Condensing Temperature Thermistor Ø 9.52 (3/8) Flare Connection Strainer Electronic Strainer Expansion Valve Ø 19.05 (3/4) Flare Connection Pressure Sensor Fusible Plug Discharge Suction...
  • Page 172 MULTI ZONE MULTI ZONE 6. Wiring diagrams Models : MR48DEY3JM Branch Distribution type _ 11...
  • Page 173 MULTI ZONE MULTI ZONE 7. Capacity tables Models : MR48DEY3JM [Cooling capacity] n Non ducted type indoor unit Indoor Air Temp.: °FDB / °FWB Combination Outdoor 68 / 57 73 / 61 77 / 64 80 / 67 86 / 72 90 / 75 Capacity Index Air Temp.:...
  • Page 174 MULTI ZONE MULTI ZONE 7. Capacity tables Models : MR48DEY3JM [Cooling capacity] n Non ducted type indoor unit Indoor Air Temp.: °FDB / °FWB Combination Outdoor 68 / 57 73 / 61 77 / 64 80 / 67 86 / 72 90 / 75 Capacity Index Air Temp.:...
  • Page 175 MULTI ZONE MULTI ZONE 7. Capacity tables Models : MR48DEY3JM [Cooling capacity] n Non ducted type indoor unit Indoor Air Temp.: °FDB / °FWB Combination Outdoor 68 / 57 73 / 61 77 / 64 80 / 67 86 / 72 90 / 75 Capacity Index Air Temp.:...
  • Page 176 MULTI ZONE MULTI ZONE 7. Capacity tables Models : MR48DEY3JM [Cooling capacity] n Non ducted type indoor unit Indoor Air Temp.: °FDB / °FWB Combination Outdoor 68 / 57 73 / 61 77 / 64 80 / 67 86 / 72 90 / 75 Capacity Index Air Temp.:...
  • Page 177 MULTI ZONE MULTI ZONE 7. Capacity tables Models : MR48DEY3JM [Cooling capacity] n Non ducted type indoor unit Indoor Air Temp.: °FDB / °FWB Combination Outdoor 68 / 57 73 / 61 77 / 64 80 / 67 86 / 72 90 / 75 Capacity Index Air Temp.:...
  • Page 178 MULTI ZONE MULTI ZONE 7. Capacity tables Models : MR48DEY3JM [Heating Capacity] n Non ducted type indoor unit Indoor Air Temp.: °FDB Outdoor Combination Air Temp. Capacity Index (kBtu/h(%)) kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h °F DB °F WB -4.4 22.87 2.51 21.16...
  • Page 179 MULTI ZONE MULTI ZONE 7. Capacity tables Models : MR48DEY3JM [Heating Capacity] n Non ducted type indoor unit Indoor Air Temp.: °FDB Outdoor Combination Air Temp. Capacity Index (kBtu/h(%)) kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h °F DB °F WB -4.4 20.82 2.11 19.26...
  • Page 180 MULTI ZONE MULTI ZONE 7. Capacity tables Models : MR48DEY3JM [Heating Capacity] n Non ducted type indoor unit Indoor Air Temp.: °FDB Outdoor Combination Air Temp. Capacity Index (kBtu/h(%)) kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h °F DB °F WB -4.4 12.30 1.29 11.38...
  • Page 181 MULTI ZONE MULTI ZONE 7. Capacity tables Models : MR48DEY3JM [Cooling capacity] n Ducted type indoor unit Indoor Air Temp.: °FDB / °FWB Combination Outdoor 68 / 57 73 / 61 77 / 64 80 / 67 86 / 72 90 / 75 Capacity Index Air Temp.:...
  • Page 182 MULTI ZONE MULTI ZONE 7. Capacity tables Models : MR48DEY3JM [Cooling capacity] n Ducted type indoor unit Indoor Air Temp.: °FDB / °FWB Combination Outdoor 68 / 57 73 / 61 77 / 64 80 / 67 86 / 72 90 / 75 Capacity Index Air Temp.:...
  • Page 183 MULTI ZONE MULTI ZONE 7. Capacity tables Models : MR48DEY3JM [Cooling capacity] n Ducted type indoor unit Indoor Air Temp.: °FDB / °FWB Combination Outdoor 68 / 57 73 / 61 77 / 64 80 / 67 86 / 72 90 / 75 Capacity Index Air Temp.:...
  • Page 184 MULTI ZONE MULTI ZONE 7. Capacity tables Models : MR48DEY3JM [Cooling capacity] n Ducted type indoor unit Indoor Air Temp.: °FDB / °FWB Combination Outdoor 68 / 57 73 / 61 77 / 64 80 / 67 86 / 72 90 / 75 Capacity Index Air Temp.:...
  • Page 185 MULTI ZONE MULTI ZONE 7. Capacity tables Models : MR48DEY3JM [Cooling capacity] n Ducted type indoor unit Indoor Air Temp.: °FDB / °FWB Combination Outdoor 68 / 57 73 / 61 77 / 64 80 / 67 86 / 72 90 / 75 Capacity Index Air Temp.:...
  • Page 186 MULTI ZONE MULTI ZONE 7. Capacity tables Models : MR48DEY3JM [Heating Capacity] n Ducted type indoor unit Indoor Air Temp.: °FDB Outdoor Combination Air Temp. Capacity Index (kBtu/h(%)) kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h °F DB °F WB -4.4 24.27 2.73 22.55 2.84...
  • Page 187 MULTI ZONE MULTI ZONE 7. Capacity tables Models : MR48DEY3JM [Heating Capacity] n Ducted type indoor unit Indoor Air Temp.: °FDB Outdoor Combination Air Temp. Capacity Index (kBtu/h(%)) kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h °F DB °F WB -4.4 22.09 2.29 20.53 2.38...
  • Page 188 MULTI ZONE MULTI ZONE 7. Capacity tables Models : MR48DEY3JM [Heating Capacity] n Ducted type indoor unit Indoor Air Temp.: °FDB Outdoor Combination Air Temp. Capacity Index (kBtu/h(%)) kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h °F DB °F WB -4.4 13.05 1.34 12.13 1.39...
  • Page 189 MULTI ZONE MULTI ZONE 7. Capacity tables Models : MR48DEY3JM [Cooling capacity] n Mixed type indoor unit Indoor Air Temp.: °FDB / °FWB Combination Outdoor 68 / 57 73 / 61 77 / 64 80 / 67 86 / 72 90 / 75 Capacity Index Air Temp.:...
  • Page 190 MULTI ZONE MULTI ZONE 7. Capacity tables Models : MR48DEY3JM [Cooling capacity] n Mixed type indoor unit Indoor Air Temp.: °FDB / °FWB Combination Outdoor 68 / 57 73 / 61 77 / 64 80 / 67 86 / 72 90 / 75 Capacity Index Air Temp.:...
  • Page 191 MULTI ZONE MULTI ZONE 7. Capacity tables Models : MR48DEY3JM [Cooling capacity] n Mixed type indoor unit Indoor Air Temp.: °FDB / °FWB Combination Outdoor 68 / 57 73 / 61 77 / 64 80 / 67 86 / 72 90 / 75 Capacity Index Air Temp.:...
  • Page 192 MULTI ZONE MULTI ZONE 7. Capacity tables Models : MR48DEY3JM [Cooling capacity] n Mixed type indoor unit Indoor Air Temp.: °FDB / °FWB Combination Outdoor 68 / 57 73 / 61 77 / 64 80 / 67 86 / 72 90 / 75 Capacity Index Air Temp.:...
  • Page 193 MULTI ZONE MULTI ZONE 7. Capacity tables Models : MR48DEY3JM [Cooling capacity] n Mixed type indoor unit Indoor Air Temp.: °FDB / °FWB Combination Outdoor 68 / 57 73 / 61 77 / 64 80 / 67 86 / 72 90 / 75 Capacity Index Air Temp.:...
  • Page 194 MULTI ZONE MULTI ZONE 7. Capacity tables Models : MR48DEY3JM [Heating Capacity] n Mixed type indoor unit Indoor Air Temp.: °FDB Outdoor Combination Air Temp. Capacity Index (kBtu/h(%)) kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h °F DB °F WB -4.4 23.57 2.62 21.85 2.73...
  • Page 195 MULTI ZONE MULTI ZONE 7. Capacity tables Models : MR48DEY3JM [Heating Capacity] n Mixed type indoor unit Indoor Air Temp.: °FDB Outdoor Combination Air Temp. Capacity Index (kBtu/h(%)) kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h °F DB °F WB -4.4 21.46 2.20 19.90 2.29...
  • Page 196 MULTI ZONE MULTI ZONE 7. Capacity tables Models : MR48DEY3JM [Heating Capacity] n Mixed type indoor unit Indoor Air Temp.: °FDB Outdoor Combination Air Temp. Capacity Index (kBtu/h(%)) kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h °F DB °F WB -4.4 12.68 1.32 11.75 1.37...
  • Page 197 MULTI ZONE MULTI ZONE 8. Capacity coefficient factor 1) Rate of change in capacity due to the main piping length Rate of change in cooling capacity Main piping length(m(ft)) 5(16.4) 10(32.8) 15(49.2) 20(65.6) 25(82.0) 30(98.4) 35(114.8) 40(131.2) 45 (147.6) 50(164.0) 55(180.4) Rate of change 100.0 98.8...
  • Page 198 MULTI ZONE MULTI ZONE 8. Capacity coefficient factor 2) Rate of change in capacity due to the branch piping length 9 kBtu/h models 18 kBtu/h models Piping Rate of change in capacity Piping Rate of change in capacity length(m(ft)) length(m(ft)) Cooling(%) Heating(%) Cooling(%)
  • Page 199 MULTI ZONE MULTI ZONE 9. Operation range Cooling Heating Continuous Operation Continuous Operation 91.3 57 59 82.4 Indoor Temp. [°F DB] Indoor Temperature [°F WB] 38 _ Branch Distribution type...
  • Page 200 MULTI ZONE MULTI ZONE 10. Electrical characteristics External wiring procedure - The power supply work is needed only to the outdoor unit. The power supply to the BB unit and the indoor unit is conduct- ed through the communication wiring. Therefore, the power supply work can be carried out at just one place of the outdoor unit.
  • Page 201 MULTI ZONE MULTI ZONE 10. Electrical characteristics Unit Power Supply COMP IFM* Outdoor Unit Model names Volts Voltage range Min:187 208/230 27.3 17.5 0.12×2 0.73×2 MR48DEY3JM Max:253 Notes : 1. Voltage range 8. Recommended circuit breaker is ELCB (Earth Leakage Voltage supplied to the unit terminals should be within Circuit Breaker).
  • Page 202 MULTI ZONE MULTI ZONE 11. Field wiring diagram Power supply Outdoor unit Main switch Terminal Block outdoor Circuit breaker 1(L1) 2(L2) 3(A) 1(L1) 2(L2) 3(B) 3 wire power cable Fuse (Including earth) (Including earth) Distributor box (B) Distributor box (A) 1(L1) 2(L2) 1(L1) 2(L2) ❈...
  • Page 203 MULTI ZONE MULTI ZONE 12. Sound levels Overall Notes: - Sound measured at 3.3ft away from the units. - Data is valid at free field condition - Data is valid at nominal operation condition - Reference accoustic pressure 0dB = 20μPa - Sound level will vary depending on a range of factors such 4.92ft as the construction(acoustic absorption coefficient) of par-...
  • Page 204 MULTI ZONE MULTI ZONE BB (Branch Box) unit 1. Specifications 2. Dimensions 3. Piping Diagrams 4. Wiring Diagrams...
  • Page 205 MULTI ZONE MULTI ZONE 1. Specifications Model Names D4PBB Maximum Number of indoor units Connectable indoor units Maximum Capacity per port kBtu/h (* Total i n door uni t s Capaci t y < 73 ) Power Supply V, Ø, Hz 208/230, 1, 60 Power Input Running current...
  • Page 206 MULTI ZONE MULTI ZONE 2. Dimensions Models : D4PBB (EEV service) Main Pipe 30(1-3/16) 50(1-31/32) 432(17) 72(2-27/32) 302(11-7/8) 60(2-3/8) Branch Pipe Cover Control (Controller service) Liquid Pipe: Ø6.35(1/4) Ø19.05(3/4) Gas Pipe: Ø9.52(3/8) Ø9.52(3/8) Suspension bolt pitch. 240(9-7/16) (Servicing space) Min 400(15-3/4) Min 400(15-3/4) Inspection opening 600(23-5/8)
  • Page 207 MULTI ZONE MULTI ZONE 3. Piping Diagrams Models : D4PBB Refrigerant flow Cooling Heating Main gas piping (Ø19.05(3/4)) Outdoor unit Main liquid piping (Ø9.52(3/8)) D Gas (Ø9.52(3/8)) EEV-A C Gas (Ø9.52(3/8)) B Gas (Ø9.52(3/8)) EEV-B A Gas (Ø9.52(3/8)) EEV-C Indoor unit EEV-D D Liquid(Ø6.35(1/4))
  • Page 208 MULTI ZONE MULTI ZONE 4. Wiring Diagrams Models : D4PBB 4 _ BB (Branch Box) unit...

  • Page 209: Part 3 Design And Installation

    MULTI ZONE MULTI ZONE Part 3 Design and installation 1. General installation guideline 2. Guideline for each installation process 3. Installation of outdoor unit...
  • Page 210 MULTI ZONE MULTI ZONE 1. General installation guideline 1.1 Installation process & Guideline Striking a balance between system installation & General construction work. Construction work Air conditioning work Setting sleeve and insert work details Preparation of Fitting of steel sleeves contract drawing Moulding box and reinforcement work...
  • Page 211 MULTI ZONE MULTI ZONE 1. General installation guideline 1.2 Checking the drawing Installation procedure Remarks Check and confirm required loads calculation, Determination of work scope model selection, drawings etc. Preparation of contract drawings Make a relationship between outdoor ,indoor controller and option connection clear. (prepare control circuit diagram) Sleeve and insert works Determine sleeve position, size and...
  • Page 212 MULTI ZONE MULTI ZONE 2. Guideline for each installation process 2.1 Sleeve and insert work 2.1.1 Positioning of the pipe holes 1) The through holes for the drain piping should be positioned such that pipes have a downward gradient (the gradient must be at least 1/100.The thickness of the insulating materials must also be taken into consideration.) 2) The diameter of the through holes for the refrigerant piping should include an allowance for the thickness of the heat insu- lation materials.
  • Page 213 MULTI ZONE MULTI ZONE 2. Guideline for each installation process 2.1.3 Sleeve type Sleeve Insulation Pipe NOTE Sleeve type should be considered as per local regulation & laws. CAUTION 1. In high voltage generation places, water-proof flexible conduit should be used. (in substation room, in elevator room) 2.
  • Page 214 MULTI ZONE MULTI ZONE 2. Guideline for each installation process 2) Support work. Insulated U-bolt type supporting Insulated O-ring band type supporting Bolt Foam resin Bolt 1.5t plate Saddle supporting Supporting interval 4.9~6.6ft CAUTION During saddle supporting work, insulation should not be pressed by saddle as this can lead to tearing of insulation and thus falling of condensed water during product operation.
  • Page 215 MULTI ZONE MULTI ZONE 2. Guideline for each installation process 2.2 Refrigerant piping work 2.2.1 Principles of refrigerant piping The “ principles of refrigerant piping “ must be strictly observed. Cause of problem Action to avoid problem -Rainwater, work water, etc gets into pipes from outside Flushing Pipe covering...
  • Page 216 MULTI ZONE MULTI ZONE 2. Guideline for each installation process 2.2.2 Flaring work Main cause for gas leakage is due to defect in flaring work. Carry out correct flaring work in the following procedure. 1) Cut the pipes and the cable. ①...
  • Page 217 MULTI ZONE MULTI ZONE 2. Guideline for each installation process Choice of material for refrigerant piping NOTE Copper pipe selection a. The wall thickness of the refrigerant piping should comply with relevant local and national regulation for R410A the design pressure is 3.8MPa(551.1psi) b.
  • Page 218 MULTI ZONE MULTI ZONE 2. Guideline for each installation process NOTE Flange connection and procedure 1) Cut the pipe using a pipe cutter. 7) Apply refrigerant oil on the inside and outside of the flared section. (Do not apply SUNISO oil) (Be careful to keep dust away) 2) The cut edge has burrs.
  • Page 219 MULTI ZONE MULTI ZONE 2. Guideline for each installation process 2.2.3 Pipe connection flaring NOTE CAUTION 1. After installation completion make sure to open the Improper piping and flaring can lead to the leakage of valve. operating the unit with the valve shut off will refrigerant destroy the compressor (Refer to the additional refrigerant charge detail information)
  • Page 220 MULTI ZONE MULTI ZONE 2. Guideline for each installation process 2.2.4 Brazing work If brazing work is carried out without passing nitrogen gas CAUTION through the pipes then it allows the formation of oxidation bubbles on the inside surface of the pipes. Brazing of refrigerant piping : These oxidation bubbles are then carried along inside the The following precaution should be taken.
  • Page 221 MULTI ZONE MULTI ZONE 2. Guideline for each installation process Brazing work should be carried out either downwards or sideways. An upward direction should be avoided wherever possible(to prevent leakage). over 0.4inch over 0.4inch (Expending pipe brazing) (Pipe brazing with socket) (Flare part brazing) (Butt-brazing) Table 1: Correlation of nozzle tip and size of refrigeration piping...
  • Page 222 MULTI ZONE MULTI ZONE 2. Guideline for each installation process 2.2.5 Refrigerant pipe flushing Flushing is a method of cleaning extraneous matter out of pipes using pressurized gas. NOTE Refrigerant pipe flushing of 3 major effects 1. Removal of oxidation bubbles formed inside copper pipes when “nitrogen replacement is insufficient” during soldering work 2.
  • Page 223 MULTI ZONE MULTI ZONE 2. Guideline for each installation process 2.3 Drain piping work The purpose of drain piping is to prevent damage of products and ceiling materials by proper draining of dew condensation which is generated from the evaporator of indoor unit when the hot vapors come in contact with the evaporator. 1) Application Pipes for draining water generated from indoor unit on cooling operation Specification for drain piping...
  • Page 224 MULTI ZONE MULTI ZONE 2. Guideline for each installation process 2) Supporting distance for common drain pipe [Table]The interval of the supporting hanger for drainage pipe Pipe diameter Ø0.8~1.6 Ø1.6~2.0 Ø2.6~4.9 (inch) Max. interval(ft) Below 3.3 Below 3.9 Below 4.9 3) Anchor bolt supporting work Anchor bolt supporting work should be used for supporting a heavy indoor unit to ceiling.
  • Page 225 MULTI ZONE MULTI ZONE 2. Guideline for each installation process 2.3.2 Grouped drain pipes It is standard work practice to make connections to the main pipe from above. The pipe down from the combination should be as large as possible. The diameter of ventilation pipe should be same or larger than drain pipe diameter.
  • Page 226 MULTI ZONE MULTI ZONE 2. Guideline for each installation process 2.3.3 Caution for drain piping work 1) Notice on drain working ① Flexible tube should not be crooked sharply. The tube can be broken by continuous vibration for a long time. Sharp crook Sharp crook Sharp crook...
  • Page 227 MULTI ZONE MULTI ZONE 2. Guideline for each installation process 2) Drain pipe insulation - Drain pipe should be insulated all connected joints and ends. Insulation Insulation Loose fitting Fitting insulation not required required wrong insulation - Do not use the loose fitting insulation. 3) Drain water leakage test - Water leakage test should be performed 24 hours later after drain work finishing.
  • Page 228 MULTI ZONE MULTI ZONE 2. Guideline for each installation process 2.4 Insulation work 2.4.1 Insulation 1) Operational steps EPDM length should be more Put the pipe in EPDM insulation Bond on both side of cut surfaces Dry it until it becomes thick, sticky longer than pipe length.
  • Page 229 MULTI ZONE MULTI ZONE 2. Guideline for each installation process 2.4.2 Forming the piping 1) Form the piping by wrapping the connecting portion of the indoor unit with insulation material and secure it with two kinds of vinyl tape. • If you want to connect an additional drain hose, the end of the drain outlet should be routed above the ground. Secure the drain hose appropriately.
  • Page 230 MULTI ZONE MULTI ZONE 2. Guideline for each installation process 2.4.3 Essential points of thermal insulation 1) Thermal insulation of refrigerant piping Be sure to give insulation work to refrigerant piping by covering liquid pipe and gas pipe separately with enough thickness heat-resistant insulation materials, so that no gap is observed in the joint between indoor unit and insulating material, and insulating materials themselves.
  • Page 231 MULTI ZONE MULTI ZONE 2. Guideline for each installation process 3) Insulation tube thickness ① Thickness decision of insulation tube • Insulation material: EPDM or polyethylene foam • Heat resistance=212°F(Cooling only) or more 248°F(Heat pump) or over ② The thickness of the thermal insulation material must be determined in the light of the pipe sizes. Thickness of insulation material Pipe size (normal)
  • Page 232 MULTI ZONE MULTI ZONE 2. Guideline for each installation process 2.5. Electrical work 2.5.1 Precautions CAUTION When knocking out knock holes • To punch a knock hole, hit on it with a hammer. • After knocking out the holes, we recommend you paint the edges and areas around the edges using paint to prevent rusting.
  • Page 233 MULTI ZONE MULTI ZONE 2. Guideline for each installation process • Use only copper wires. • Make sure to shut down the power before starting the electric wiring work. Do not set ON any switch until the work is completed. •...
  • Page 234 MULTI ZONE MULTI ZONE 2. Guideline for each installation process 2.5.2 Connection method of the connecting cable and power lines 1) Remove the cover control from the unit by loosening the screw. Connect the wires to the terminals on the control board individually.
  • Page 235 MULTI ZONE MULTI ZONE 2. Guideline for each installation process 2.6. Air tight test Installation example for “MR24DY3JMA” 2.6.1 Air purging Indoor unit Air and moisture remaining in the refrigerant system have undesirable effects as indicated below. Manifold valve ① Pressure in the system rises. ②...
  • Page 236 MULTI ZONE MULTI ZONE 2. Guideline for each installation process 2.6.2 Essential points of testing The key to successful testing is strict adherence to the following procedure: 1) The liquid and gas piping in each refrigerant system should be pressurized in turn in accordance with the following steps. (Nitrogen gas must be used.) Step 1: increase pressure to 0.3MPa(43.5psi) for 3 minutes or more Major leaks indicate...
  • Page 237 MULTI ZONE MULTI ZONE 2. Guideline for each installation process 2.6.3 Checking for leakage [Check 1] (Where pressure falls while carrying out Steps 1 to 3 described on previous page) ▶ Check by measure gage..Gas detector. ▶ Check by ear..Listen for the sound of a major leakage. ▶...
  • Page 238 MULTI ZONE MULTI ZONE 2. Guideline for each installation process 2.7. Vacuum drying work 2.7.1 What is Vacuum drying? Vacuum drying is : The use of a vacuum pump to vaporize(gasify) the moisture (liquid) inside the pipe and expel it leaving the pipes completely dry inside.
  • Page 239 MULTI ZONE MULTI ZONE 2. Guideline for each installation process 2.7.2 Evacuation ① Connect the manifold hose end described in the preceding steps to the vacuum pump to evacuate the tubing and indoor unit. Confirm the "Lo" knob of the manifold valve is open. Then, run the vacuum pump. The operation time for evacuation varies with tubing length and capacity of the pump.
  • Page 240 MULTI ZONE MULTI ZONE 2. Guideline for each installation process 2.7.3 Choosing a vacuum pump The necessity for counter flow prevention After the vacuum process of the refrigerant cycle, the inside of the hose will be vacuumed after stopping the vacuum pump, the oil of vacuum pump may flow back.
  • Page 241 MULTI ZONE MULTI ZONE 2. Guideline for each installation process 2) Vacuum pump maintenance Because of their nature, most vacuum pumps contain large amounts of oil which lubricates bearings, etc., and functions to enhance airtightness of pistons. When using a vacuum pump to discharge air from refrigerant piping, moisture in the air tends to get mixed in with the oil.
  • Page 242 MULTI ZONE MULTI ZONE 2. Guideline for each installation process 2.7.4 Vacuum drying procedure There are two vacuum drying methods and the appropriate one should always be chosen to confirm with individual local conditions. [Normal vacuum drying]..The standard method [Operational steps] ①...
  • Page 243 MULTI ZONE MULTI ZONE 2. Guideline for each installation process 2.8 Additional charge of refrigerant 2.8.1 Refrigerant charging instructions ① The results of all calculations must be recorded. (make a list) ② The refrigerant will need to be additionally charged when the distance between the outdoor Unit and the most distant indoor unit is more than length (refer to section 8 outdoor unit installation condition) ③...
  • Page 244 MULTI ZONE MULTI ZONE 2. Guideline for each installation process 2.9 Trial test run operation 2.9.1 Test run procedure Check the following before turning power on Wrong power wiring , loosed screws Wrong control transmission wiring , loose screws Piping size , presence of thermal insulation Use a mega-tester Measurement of main power circuit insulation Be sure to record the additional...
  • Page 245 MULTI ZONE MULTI ZONE 2. Guideline for each installation process 2.9.3 Transfer to customer with explanation Operational step Make final report Explain how to Hand over Complete test run (test run operate and relevant printed inspection sheet) maintain equipment materials ①...
  • Page 246 MULTI ZONE MULTI ZONE 3. Installation of outdoor unit 3.1 Safety precautions Please strictly follow the instructions given in the Installation manual. Improper installation by ignoring the instructions can lead to damage to life and property. Make sure to read the following safety instructions very carefully and throughly. This symbol indicates the possibility of death or serious injury.
  • Page 247 MULTI ZONE MULTI ZONE 3. Installation of outdoor unit Be sure to use only those parts which are listed in the svc parts list. Never attempt to modify the equipment. • The use of inappropriate parts can cause an electrical shock, excessive heat generation or fire. Indoor/outdoor wiring connections must be secured tightly and the cable should be routed properly so that there is no force pulling the cable at the connection terminals.
  • Page 248 MULTI ZONE MULTI ZONE 3. Installation of outdoor unit CAUTION Use two or more people to lift and transport the product. • Avoid personal injury. Do not install the product where it will be exposed to sea wind (salt spray) directly. •...
  • Page 249 MULTI ZONE MULTI ZONE 3. Installation of outdoor unit 3.1.1 Points for explanation about operations The items with WARNING and CAUTION marks in the operation manual are the items pertaining to possibillties for bodily injury and material damage in addition to the general usage of the product. Accordingly, it is necessary that you make a full explanation about the described contents and also ask your customers to read the operation manual.
  • Page 250 MULTI ZONE MULTI ZONE 3. Installation of outdoor unit 3.1.4 For the following items, take special care during construction and check after instal- lation is finished 1. Items to be checked after completion of work Unit Items to be checked If not properly done, what is likely to occur Check Are the indoor and outdoor unit fixed firmly?
  • Page 251 MULTI ZONE MULTI ZONE 3. Installation of outdoor unit 3.2 Introduction This installation guidance describes the procedures for outdoor unit installation, piping, wiring, and control between outdoor units, indoor units and controller. Installation of the indoor units is not described in this part. Please refer to the installation guidance manual which supplied with indoor units for their respective installation.
  • Page 252 MULTI ZONE MULTI ZONE 3. Installation of outdoor unit 3.3 Foundation Multiple Piping Type MR24DY3JMA Unit:mm(inch) <Basic intensity> Bolt Factor M10-J type Concrete height 3 15/16 inch or more Bolt inserted depth 2 3/4 inch or more Unit:mm(inch) MR36TQY3JMA <Basic intensity> Bolt Factor M10-J type Concrete height...
  • Page 253 MULTI ZONE MULTI ZONE 3. Installation of outdoor unit 3.4 Settlement of the outdoor unit • Anchor the outdoor unit with a bolt and nut tightly and horizontally on a concrete or rigid mount. • When installing on the wall, roof or rooftop, anchor the mounting base securely with a nail or wire assuming the influence of wind and earthquake.
  • Page 254 MULTI ZONE MULTI ZONE 3. Installation of outdoor unit 3.5 Selection of the best location This unit is suitable for installation in a residential and commercial environmental situation. If installed near a household appliance it can cause electromagnetic interference. The units should be installed in a location that meets the following requirements: ①...
  • Page 255 MULTI ZONE MULTI ZONE 3. Installation of outdoor unit 3.6 Clearance space 3.6.1 Clearance around outdoor unit 300(11-13/16) or more 300(11-13/16) 300(11-13/16) or more or more • Ensure that the space around the back is more s t a 300(11-13/16) than 300mm(11-13/16inch) on the opposite to c l e or more...
  • Page 256 MULTI ZONE MULTI ZONE 3. Installation of outdoor unit Clearance of side discharge unit [Unit:mm(inch)] 1) Where there is an obstacle on the air intake side: n No obstacle above • Obstacle on the suction side only • Obstacle on the both sides n Obstacle above, too •...
  • Page 257 MULTI ZONE MULTI ZONE 3. Installation of outdoor unit n Where the obstacles on the discharge side is lower than the unit: • No obstacle above • Obstacle above, too ‘L’ should be lower than ‘H’. Close the bottom of the installation frame to prevent the discharged air from being bypassed.
  • Page 258 MULTI ZONE MULTI ZONE 3. Installation of outdoor unit 3.7 Outdoor unit piping 3.7.1 Outdoor unit piping Required tools 2) Align the center of the piping and suffi- ciently tighten the flare nut by hand. Screw Driver Drill M/C f 3.5/F14.5 Measuring Tape, Blade Core drill Spanner...
  • Page 259 MULTI ZONE MULTI ZONE 3. Installation of outdoor unit 3.8 Outdoor unit installation requirements 3.8.1 Piping elevation and length Multiple Piping Type Installaton irrespective of indoor, outdoor elevation Max 49ft Max 24.6ft Max. pipe length Standard length(ft) Model of indoor unit (ft) Max.
  • Page 260 MULTI ZONE MULTI ZONE 3. Installation of outdoor unit Branch Distribution type Installaton irrespective of indoor, outdoor elevation Y-Branch BB unit BB unit Main piping Branch piping Unit : m (ft) Standard Max. Main Total Standard Max. Max. Elevation Total Main Pipe Pipe Branch...
  • Page 261 MULTI ZONE MULTI ZONE 3. Installation of outdoor unit 3.8.2 Refrigerant charge The calculation of the additional charge should be taken into account for the additional length of pipe. n Multiple Piping Type Additional charge (oz) = (Total Installation Piping Length-Standard Total Piping Length) x 0.22 Max total length Max length of Min length of...
  • Page 262 MULTI ZONE MULTI ZONE 3. Installation of outdoor unit Additional refrigerant charge calculation example - Multiple Piping Type Each branch pipe a=82ft b=16ft c=49ft Additional Charge Ex) MR36TQY3JMA = {(82+16+49)-98.4} x 0.22 = 10.69 oz Additional refrigerant charge calculation example - Branch Distribution type •...
  • Page 263 MULTI ZONE MULTI ZONE 3. Installation of outdoor unit 3.8.3 Piping connection size Branch Distribution type [Unit : mm(inch)] Liquid Ø 9.52 (3/8) Adjust to indoor unit piping size Ø 19.05 (3/4) BB Unit 1 BB Unit Connection Branch unit(Accessory DYBK) BB Unit 2 BB Units Connection...
  • Page 264 MULTI ZONE MULTI ZONE 3. Installation of outdoor unit 3.9 Y-Branch and BB (Branch Box) unit 3.9.1 Branch (Accessory) Y- Branch(DYBK) To outdoor unit To BB unit • Ensure that the branch pipes are attached horizontally or vertically (see the diagram below.) Horizontal Facing Facing...
  • Page 265 MULTI ZONE MULTI ZONE 3. Installation of outdoor unit 3.9.2 BB (Branch Box) unit (Accessory) 1) General information Model name: Functional description: • Distribution of refrigerant to various indoor uits. BB unit Product • Consists of EEV's inside D4PBB Branch distribution type •...
  • Page 266 MULTI ZONE MULTI ZONE 3. Installation of outdoor unit [Unit:mm(inch)] (EEV service) (Servicing space) Main Pipe 30(1-3/16) 50(1-31/32) 432(17) B C D Min 400(15-3/4) Min 400(15-3/4) 72(2-27/32) 302(11-7/8) 60(2-3/8) Branch Pipe Cover Control (Controller service) (Side view) Liquid Pipe: Ø6.35(1/4) Ø19.05(3/4) Gas Pipe: Ø9.52(3/8) Ø9.52(3/8)
  • Page 267 MULTI ZONE MULTI ZONE 3. Installation of outdoor unit Procedure Procedure (1) Fix the furnished hanger metal with two screws.(4 loca- (1) Fix the furnished hanger metal with two screws. tions in total). (3 locations in total). (2) Using an insert-hole-in- anchor, hang the hanging bolt. (2) After checking with a level that the unit is level, fix the unit (3) Install a hexagon nut and a flat washer (locally-...
  • Page 268 MULTI ZONE MULTI ZONE 3. Installation of outdoor unit (1) Remove the control cover. Loosen the two screws, and (3) Perform wiring with reference the wiring diagram on a control slide the cover in the direction of the arrow. cover of outdoor unit. Allow 300 mm(11 13/16 inch) for the pulling-out section of harness.
  • Page 269 MULTI ZONE MULTI ZONE 3. Installation of outdoor unit a) Align the center of the pipings and sufficiently tight- [Unit:mm(inch)] en the flare nut by hand. b) Tighten the flare nut with a wrench. Indoor unit side flare CASE. 1 Ø...
  • Page 270 MULTI ZONE MULTI ZONE 3. Installation of outdoor unit 3.9 Outdoor unit cabin 3.9.1 Outdoor cabin louver requirement 1) Outdoor cabin type : Manual door open type 2) Louver angle : less than 15° on the horizontal base Max15° 3) Louver interval: over 3 15/16 inch (recommend) (Recommended) 4) Louver shape : wing type or plane type Over 3.9 inch...
  • Page 271 MULTI ZONE MULTI ZONE 3. Installation of outdoor unit 3.10.2 Air flow rate confirmation Example. 1 n Application Model : MR36TQY3JMA Airflow rate 60m /min(2,119ft /min) [Total opening rate] Unit:mm(inch) 1400(55 3/32) 1200(47 1/4) n Case : velocity of discharging air: 5m/s(16.4ft/s), velocity of suction air: 2.5m/s(8.2ft/s) n Openness rate = 80% or more Effective face area(Af)

  • Page 272: Part 4 Special Parts

    MULTI ZONE MULTI ZONE Part 4 Special Part 1. Installation Guide for areas exposed to sea wind 2. Seasonal wind and cautions in winter...
  • Page 273 MULTI ZONE MULTI ZONE 1. Installation Guide for areas exposed to sea wind CAUTION 1. Air conditioners should not be installed in areas where corrosive gases, such as acid or alkaline gas, are produced. 2. Do not install the product where it could be exposed to sea wind (salty wind) directly. It can result corrosion on the product.
  • Page 274 Friedrich Air Conditioning Co. I 10001 Reunion Place, Suite 500 l San Antonio, TX 78216 l 877.599.5665 www.friedrich.com P/no. : MFL59730709...

This manual is also suitable for:

Multi zone mr36tqy3jmaMulti zone mr48dey3jmMulti zone mw09y3jMulti zone mw12y3jMulti zone mw18y3j