1. Manuals
  2. Brands
  3. Technibel Manuals
  4. Inverter
  5. CAFM1V Series
  6. Technical data manual

Technibel CAFM1V Series Technical Data Manual

Mini multiset v.r.f. dc inverter r410a, outdoor units
Hide thumbs
Table of Contents

Advertisement

Quick Links

TECHNICAL DATA
MINI MULTISET V.R.F. DC INVERTER R410A
OUTDOOR UNITS
April 2008

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the CAFM1V Series and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for Technibel CAFM1V Series

Summary of Contents for Technibel CAFM1V Series

  • Page 1 TECHNICAL DATA MINI MULTISET V.R.F. DC INVERTER R410A OUTDOOR UNITS April 2008...
  • Page 2 CAFM1V MINI-MULTISET System - DC Inverter Line-up Models R410A Indoor units CAFM1VS Indoor unit type CAFM1V** 1-Way Air Discharge CAFM1V74R CAFM1V94R CAFM1V124R semi-concealed CAFM2V 1-Way Air Discharge CAFM1VS** CAFM1VS94R CAFM1VS124R CAFM1VS184R CAFM1VS254R semi-concealed slim CAFM2V** CAFM1VS74R CAFM2V94R CAFM2V124R CAFM2V184R CAFM2V254R 2-Way Air Discharge semi-concealed CAFM...
  • Page 3 IMPORTANT! Please Read Before Starting When Installing… …In a Room This air conditioning system meets strict safety and operat- ing standards. As the installer or service person, it is an Properly insulate any tubing run inside a room to prevent important part of your job to install or service the system so it “sweating”...
  • Page 4 Check of Density Limit 2. The standards for minimum room volume are as follows. The room in which the air conditioner is to be installed requires a design that in the event of (1) No partition (shaded portion) refrigerant gas leaking out, its density will not exceed a set limit.

  • Page 5: Table Of Contents

    Mini Multiset VRF DCI Contents 1. Outiline of Mini Multiset 1. Line-up ............. . . 1-2 2.

  • Page 6: Outiline Of Mini Multiset

    Outline of Mini Multiset Contents 1. Outiline of Mini Multiset 1. Line-up ............. . . 1-2 1 - 1...

  • Page 7: Line-Up

    Outline of Mini Multiset 1. Line-up Outdoor units DC inverter unit Type GRFMI306R5I GRFMI406R5I GRFMI506R5I Capacity: 11.2 (38,200) 14.0 (47,800) 15.5 (52,900) kW (BTU/h) Cooling / / 12.5 (42,700) / 16.0 (54,600) / 17.6 (60,000) Heating Wind direction Wind direction Outdoor Unit Wind...

  • Page 8: Design Of Mini Multiset

    Design of Mini Multiset 2. Design of Mini Multiset 1. Model Selecting and Capacity Calculator ........2-2 2.

  • Page 9: Model Selecting And Capacity Calculator

    Design of Mini Multiset 1. Model Selecting and Capacity Calculator 1-1. Operating Range Heating Cooling Operating Operating range range –5 –10 –15 –20 Indoor air intake temp. °C (DB) –5 –10 –15 Indoor air intake temp. °C (WB) 2 - 2...
  • Page 10 Design of Mini Multiset 1. Model Selecting and Capacity Calculator 1-2. Procedure for Selecting Models and Calculating Capacity I Model Selection Procedure Select the model and calculate the capacity for each refrigerant system according to the procedure shown below. Calculation of the indoor air-conditioning load Calculate the maximum air-conditioning load for each room or zone.
  • Page 11 Design of Mini Multiset 1. Model Selecting and Capacity Calculator 1-3. Calculation of Actual Capacity of Indoor Unit I Calculating the actual capacity of each indoor unit Because the capacity of a multi air-conditioner changes according to the temperature conditions, tubing length, elevation difference and other factors, select the correct model after taking into account the various correction val- ues.
  • Page 12 Design of Mini Multiset 1. Model Selecting and Capacity Calculator <Heating> Outdoor unit corrected heating capacity (5) = Outdoor unit rated heating capacity × Correction coefficient for out- door temperature conditions ((1) Page 2-6) × Correction coefficient for tubing length and elevation difference ((2) Page 2-8) × Correc- tion coefficient for frosting/defrosting ((2) Page 2-7) * However, if the outdoor unit corrected heating capacity [5] is greater than 100%, then the outdoor unit corrected heating capacity is considered to be 100%.
  • Page 13 Design of Mini Multiset 1. Model Selecting and Capacity Calculator Refer to the graph below for the correction coefficients for Ruc and Ruh. Indoor unit capacity correction coefficient for Ruc (cooling) Indoor unit capacity correction coefficient for Ruh (heating) 0.8 0.9 1.1 1.2 1.8 1.9 Corrected indoor/outdoor capacity ratio (Ruc or Ruh)
  • Page 14 Design of Mini Multiset 1. Model Selecting and Capacity Calculator Outdoor unit heating capacity characteristics GRFMI306R5I GRFMI406R5I ( C DB) ( C DB) –20 –15 –10 –5 –20 –15 –10 –5 Outdoor air intake temp. ( C DB) Outdoor air intake temp. ( C DB) GRFMI506R5I ( C DB) –20 –15 –10 –5...
  • Page 15 Design of Mini Multiset 1. Model Selecting and Capacity Calculator I Graph of indoor unit capacity characteristics (2 – (1)) Indoor unit cooling capacity characteristics Indoor unit heating capacity characteristics indicates the rating point. indicates the rating point. 15 16 17 18 19 20 21 22 23 24 25 26 27 14 15 16 17 18 19 20 21 22 23 24 25 Indoor air intake temp.
  • Page 16 Design of Mini Multiset 1. Model Selecting and Capacity Calculator 1-4. Capacity Correction Graph According to Temperature Condition I Capacity characteristics (The corrected capacity for specific temperature conditions can be found from the graphs below and next page.) <COOLING> (1) GRFMI306R5I 22WB GRFMI406R5I 19WB...
  • Page 17 Design of Mini Multiset 1. Model Selecting and Capacity Calculator <HEATING> GRFMI306R5I GRFMI406R5I ( C DB) ( C DB) –20 –15 –10 –5 –20 –15 –10 –5 Outdoor air intake temp. ( C DB) Outdoor air intake temp. ( C DB) GRFMI506R5I ( C DB) –20 –15 –10 –5...
  • Page 18 Design of Mini Multiset 1. Model Selecting and Capacity Calculator Inverter model rated performance values Item Cooling Heating Cooling Power Heating Power capacity consumption capacity consumption Model (SPW-) (kW) (kW) (kW) (kW) 11.2 2.76 12.5 2.88 GRFMI306R5I GRFMI406R5I 14.0 3.83 16.0 3.90 GRFMI506R5I...
  • Page 19 Design of Mini Multiset 1. Model Selecting and Capacity Calculator For GRFMI306-406R5I units I If the maximum tubing length (L1) exceeds 90 m (equivalent length), increase the tubing size of the main gas tube (LM) by one rank. * The size increase is applied to the gas tube only. In addition, for a 6 HP unit it is not necessary to increase the tubing size.

  • Page 20: System Design

    Design of Mini Multiset 2. System Design 2-3. Type of Copper Tube and Insulation Material 2-1. Tools Required for Installation (not supplied) Standard screwdriver If you wish to purchase these materials separately Phillips head screwdriver from a local source, you will need: Knife or wire stripper 1.
  • Page 21 Design of Mini Multiset 2. System Design 2-5. Tubing Size Table 2-2 Main Tubing Size (LA) 11.2 14.0 15.5 System horsepower Gas tubing ø15.88 ø19.05 (mm) Liquid tubing ø9.52 (mm) Unit: mm Table 2-3 Main Tubing Size After Distribution (LB, LC...) 14.0 15.5 11.2...
  • Page 22 Design of Mini Multiset 2. System Design 2-7. Additional Refrigerant Charge Additional refrigerant charge amount is calculated from the liquid tubing total length as follows. Table 2-7 Amount of Refrigerant Charge Per Meter, According to Liquid Tubing Size Liquid tubing size Amount of refrigerant Required amount of charge = (Amount of refrigerant charge per meter of each size of liquid tube ×...
  • Page 23 Design of Mini Multiset 2. System Design Table 2-10 Ranges that Apply to Refrigerant Tubing Lengths and to Differences in Installation Heights Items Marks Contents Length (m) > Actual length Max. tubing length > Equivalent length Difference between max. length and min . >...
  • Page 24 Design of Mini Multiset 2. System Design 2-11. System Example (1) Below are the tables created using the “Sanyo PAC/GHP System Diagram Software.” Details of the calculations are shown in (2). Outdoor unit 50 m 10 m 20 m 20 m Elevation 10 m 10 m...
  • Page 25 Design of Mini Multiset 2. System Design Indoor unit changes The indoor unit in room 4, where the corrected indoor unit capacity is less than the maximum load, is increased by one rank. Room 1 Room 2 Room 3 Room 4 Outdoor unit (indoor unit 1) (indoor unit 2)
  • Page 26 Design of Mini Multiset 2. System Design 2-12. Example of Tubing Size Selection and Refrigerant Charge Amount Additional refrigerant charging Based on the values in Tables 2-2, 2-3, 2-4 and 2-7, use the liquid tubing size and length, and calculate the amount of additional refrigerant charge using the formula below.
  • Page 27 Design of Mini Multiset 2. System Design Example: Main tube of unit 1st branch model 18 n–1 Unit distribution tube model 7 model 9 model 12 model 16 Example of each tubing length Main tubing Distribution joint tubing LA = 40 m Indoor side LB = 5 m = 5 m...
  • Page 28 Design of Mini Multiset 2. System Design 2-13. Installing Distribution Joint Tube branching methods (horizontal use) (1) Refer to “HOW TO ATTACH DISTRIBUTION JOINT” enclosed with the optional distribution joint kit (K70A056Z). (2) In order to prevent accumulation of refrigerant oil in stopped units, if the main tubing is horizontal then Horizontal each branch tubing length should be at an angle...
  • Page 29 Design of Mini Multiset 2. System Design 2-14. Optional Distribution Joint Kit See the installation instructions packaged with the distribution joint kit for the installation procedure. Table 2-11 Model name Cooling capacity after distribution Remarks K70A056Z 22.4 kW or less For indoor unit K70A056Z Use: For indoor unit (Capacity after distribution joint is 22.4 kW or less.)
  • Page 30 Design of Mini Multiset 2. System Design Dimensions Unit: mm Dimensions Figure Size ø6.35 (1/4") Type with flare nut at each end ø9.52 (3/8") ø12.7 (1/2") ø15.88 (5/8") Insulator (divided in 2) Service port Note: Install the service port so that it faces the extension side. Ball Valve Installation (for refrigerant R410A only) Check the size of the ball valve set you separately purchased.
  • Page 31 Design of Mini Multiset 2. System Design 3. Opening and closing the valve This valve is open at the time of shipment from the factory. If the valve is used for extension, be sure to close it. Valve opened Valve closed Spindle Spindle 4.

  • Page 32: Installation Instructions

    Design of Mini Multiset 3. Installation Instructions 3-2. Outdoor Unit Exhaust fan AVOID: heat sources, exhaust fans, etc. (Fig. 2-6) Hot air damp, humid or uneven locations Heat source Out- door unit choose a place as cool as possible. choose a place that is well ventilated and outside air temperature does not exceed maximum 45°C constantly.
  • Page 33 Design of Mini Multiset 3. Installation Instructions 3-3. Air Discharge Chamber for Top Discharge Be sure to install an air discharge chamber in the Air discharge field when: it is difficult to keep a space of min. 50 cm between the air discharge outlet and an obstacle.
  • Page 34 Design of Mini Multiset 3. Installation Instructions 3-6. Dimensions of Air-Discharge Chamber Reference diagram for air-discharge chamber (field supply) ***A for GRFMI306-406-506R5I Unit front, air discharge chamber Unit left side, air discharge chamber Unit light side, air discharge chamber Reinforcement brackets, 4 locations 29.5 29.5 Rectangular...
  • Page 35 Design of Mini Multiset 3. Installation Instructions Reference for air-discharge chamber (field supply) Required space around outdoor unit GRFMI306-406-506R5I with *** If an air discharge chamber is used, the space shown below must be secured around the outdoor unit. If the unit is used without the required space, a protective device may activate, preventing the unit from operating. (1) Single-unit installation Unit: mm The top and both sides must remain open.
  • Page 36 Design of Mini Multiset 3. Installation Instructions 3-8. Dimensions of Snow Ducting Reference diagram for snow-proof vents (field supply) *** for GRFMI306-406-506R5I Fastened by screws at 13 locations Unit top, snow-proof vent Unit left side Unit right side Unit reverse side Unit reverse side Unit sides, reinforcement brackets for snow-proof vent Unit: mm...
  • Page 37 Design of Mini Multiset 3. Installation Instructions Reference diagram for snow-proof vents – 1 Space requirements for setting – (1) GRFMI306-406-506R5I with *** [Obstacle to the front of unit] [Obstacle to the rear of unit] G Top is open: G Top is open: (1) Single-unit installation (2) Obstacles on both sides (1) Single-unit installation...
  • Page 38 Design of Mini Multiset 3. Installation Instructions Reference diagram for snow-proof vents – 2 Space requirements for setting – (2) GRFMI306-406-506R5I with *** [Obstacles to the front and rear of unit] • The top and both sides must remain open. Either the obstacle to the front or the obstacle to the rear must be no taller than the height of the outdoor unit.
  • Page 39 Design of Mini Multiset 3. Installation Instructions 3-10. Installing the Outdoor Unit Use concrete or a similar material to create the base, and ensure good drainage. Ordinarily, ensure a base height of 5 cm or more. If a drain pipe is used, or for use in cold-weather regions, ensure a height of 15 cm or more at the feet on both Drain port (2 locations) sides of the unit.

  • Page 40: Electrical Wiring

    Design of Mini Multiset 4. Electrical Wiring 4-1. General Precautions on Wiring (1) Before wiring, confirm the rated voltage of the unit (7) Regulations on wire diameters differ from locality as shown on its nameplate, then carry out the to locality. For field wiring rules, please refer to wiring closely following the wiring diagram.
  • Page 41 Design of Mini Multiset 4. Electrical Wiring 4-3. Wiring System Diagram Indoor Outdoor unit unit (No. 1) INV unit Power supply Power supply 220-240V 50Hz 220–240V-1N 50Hz Ground Ground Remote controller Ground Ground Indoor unit (No. 2) Power supply 220-240V 50Hz Ground Remote...
  • Page 42 Design of Mini Multiset CAUTION (1) When linking outdoor units in a network (S-net link system), disconnect the terminal extended from the short plug (CN003, 2P Black, location: right bottom on the outdoor main control PCB) from all outdoor units except any one of the outdoor units. (When shipping: In shorted condition.) Otherwise the communication of S-net link system is not performed.
  • Page 43 Design of Mini Multiset (5) Use shielded wires for inter-unit control wiring (c) and ground the shield on both sides, other- wise misoperation from noise may occur. (Fig. 4-4) Connect wiring as shown in Section “4-3. Shielded wire Wiring System Diagram.” Ground Ground Loose wiring may cause...

  • Page 44: Mini Multiset Unit Specifications

    Mini Multiset Unit Specifications Contents 3. Mini Multiset unit specifications 1. Outdoor Unit 1-1. Specifications ..............3-3 1-2.

  • Page 45: Specifications

    Mini Multiset Unit Specifications 1. Outdoor Unit 1-1. Specifications Unit specifications (A) MODEL No. Outdoor Unit GRFMI306R5I POWER SOURCE 220 - 230 - 240 V / Single-phase / 50 / 60 Hz PERFORMANCE Cooling Heating 11.2 12.5 Capacity BTU / h 38,200 42,700 Air circulation (Hi)
  • Page 46 Mini Multiset Unit Specifications 1. Outdoor Unit Unit specifications (B) MODEL No. Outdoor Unit GRFMI406R5I POWER SOURCE 220 - 230 - 240 V / Single-phase / 50 / 60 Hz PERFORMANCE Cooling Heating 14.0 16.0 Capacity BTU / h 47,800 54,600 Air circulation (Hi) /min (cu.ft/min)
  • Page 47 Mini Multiset Unit Specifications 1. Outdoor Unit Unit specifications (C) MODEL No. Outdoor Unit GRFMI506R5I POWER SOURCE 220 - 230 - 240 V / Single-phase / 50 / 60 Hz PERFORMANCE Cooling Heating 15.5 17.6 Capacity BTU / h 52,900 60,000 Air circulation (Hi) /min (cu.ft/min)
  • Page 48 Mini Multiset Unit Specifications 1. Outdoor Unit Unit specifications (D) MODEL No. Outdoor Unit GRFMI306R5I POWER SOURCE 220 - 230 - 240 V / Single-phase / 50 / 60 Hz PERFORMANCE Cooling 11.2 Capacity BTU / h 38,200 Air circulation (Hi) /min (cu.ft/min) 100 (3,530) ELECTRICAL RATINGS...
  • Page 49 Mini Multiset Unit Specifications 1. Outdoor Unit Unit specifications (E) MODEL No. Outdoor Unit GRFMI406R5I POWER SOURCE 220 - 230 - 240 V / Single-phase / 50 / 60 Hz PERFORMANCE Cooling 14.0 Capacity BTU / h 47,800 Air circulation (Hi) /min (cu.ft/min) 100 (3,530) ELECTRICAL RATINGS...
  • Page 50 Mini Multiset Unit Specifications 1. Outdoor Unit Unit specifications (F) MODEL No. Outdoor Unit GRFMI506R5I POWER SOURCE 220 - 230 - 240 V / Single-phase / 50 / 60 Hz PERFORMANCE Cooling 15.5 Capacity BTU / h 52,900 Air circulation (Hi) /min (cu.ft/min) 100 (3,530) ELECTRICAL RATINGS...

  • Page 51: Major Component Specifications

    Mini Multiset Unit Specifications 1. Outdoor Unit 1-2. Major Component Specifications Outdoor unit (A) MODEL No. GRFMI306R5I Power source 220 - 230 - 240 V / 1N / 50 Hz Controller P.C.B. Ass’y CR-CR365GXH56 Control circuit fuse 250V, 6.3A Compressor INV (Inverter) Type Rotary (Hermetic)
  • Page 52 Mini Multiset Unit Specifications 1. Outdoor Unit Outdoor unit (B) MODEL No. GRFMI406R5I Power source 220 - 230 - 240 V / 1N / 50 Hz Controller P.C.B. Ass’y CR-CR365GXH56 Control circuit fuse 250V, 6.3A Compressor INV (Inverter) Type Rotary (Hermetic) Model ...
  • Page 53 Mini Multiset Unit Specifications 1. Outdoor Unit Outdoor unit (C) MODEL No. GRFMI506R5I Power source 220 - 230 - 240 V / 1N / 50 Hz Controller P.C.B. Ass’y CR-CR605GXH56 Control circuit fuse 250V, 6.3A Compressor INV (Inverter) Type Rotary (Hermetic) Model ...
  • Page 54 Mini Multiset Unit Specifications 1. Outdoor Unit Outdoor unit (D) MODEL No. GRFMI306R5I Power source 220 - 230 - 240 V / 1N / 50 Hz Controller P.C.B. Ass’y CR-CR365GXH56 Compressor INV (Inverter) Type Rotary (Hermetic) Model ... Code No. C-9RVN273H0T ...
  • Page 55 Mini Multiset Unit Specifications 1. Outdoor Unit Outdoor unit (E) MODEL No. GRFMI406R5I Power source 220 - 230 - 240 V / 1N / 50 Hz Controller P.C.B. Ass’y CR-CR365GXH56 Control circuit fuse 250V, 6.3A Compressor INV (Inverter) Type Rotary (Hermetic) Model ...
  • Page 56 Mini Multiset Unit Specifications 1. Outdoor Unit Outdoor unit (F) MODEL No. GRFMI506R5I Power source 220 - 230 - 240 V / 1N / 50 Hz Controller P.C.B. Ass’y CR-CR605GXH56 Control circuit fuse 250V, 6.3A Compressor INV (Inverter) Type Rotary (Hermetic) Model ...

  • Page 57: Dimensional Data

    Mini Multiset Unit Specifications 1. Outdoor Unit 1-3. Dimensional Data GRFMI306-406-506R5I 3- 15...

  • Page 58: Refrigerant Flow Diagram

    Mini Multiset Unit Specifications 1. Outdoor Unit 1-4. Refrigerant Flow Diagram GRFMI306R5I GRFMI406R5I Suction Discharge GRFMI506R5I Connection diameter ø15.88 mm LP removal HP removal STF – 0401G Cooling cycle Heating cycle Brazing BCuP – 3 Outside air UKV – 30D40 GRFMI306R5I GRFMI406R5I Suction...

  • Page 59: Sound Data

    Mini Multiset Unit Specifications 1. Outdoor Unit 1-5. Sound Data (1) Sound Power Level GRFMI306R5I GRFMI406R5I GRFMI306R5I Model GRFMI406R5I Sound Power 67 dB (A) Level Cooling Condition NC – 70 NC – 60 NC – 50 NC – 40 NC – 30 NC –...
  • Page 60 Mini Multiset Unit Specifications 1. Outdoor Unit GRFMI506R5I Model GRFMI506R5I Sound Power 68 dB (A) Level Cooling Condition NC – 70 NC – 60 NC – 50 NC – 40 NC – 30 NC – 20 1000 2000 4000 8000 Frequency at center of sound pressure band (Hz) NOTE 1.
  • Page 61 Mini Multiset Unit Specifications 1. Outdoor Unit (2) Sound Pressure Level GRFMI306R5I GRFMI406R5I GRFMI306R5I Model GRFMI406R5I Sound Pressure Level Front 51 dB (A) Cooling Quiet Mode 48 dB (A) Condition 1 m in front at height of 1.5 m Front Quiet Mode NC –...
  • Page 62 Mini Multiset Unit Specifications 1. Outdoor Unit GRFMI506R5I Model GRFMI506R5I Sound Pressure Level Front 52 dB (A) Cooling Quiet Mode 49 dB (A) Condition 1 m in front at height of 1.5 m Front Quiet Mode NC – 70 NC – 60 NC –...

  • Page 63: Test Run And Others

    Test Run and Others Contents 4. Test Run and Others 1. Air Purging ............4-2 2.

  • Page 64: Air Purging

    Test Run and Others 1. Air Purging Air and moisture in the refrigerant system may have Manifold gauge undesirable effects as indicated below. pressure in the system rises  operating current rises  cooling (or heating) efficiency drops  moisture in the refrigerant circuit may freeze and ...
  • Page 65 Test Run and Others 1. Air Purging (3) Do a leak test of all joints of the tubing (both indoor and outdoor) and both gas tube and liquid tube service valves. Bubbles indicate a leak. Wipe Manifold valve off the soap with a clean cloth after the leak test. (4) After the system is found to be free of leaks, Pressure relieve the nitrogen pressure by loosening the...
  • Page 66 Test Run and Others 1. Air Purging Use a cylinder designed for Manifold valve CAUTION use with R410A respectively. Pressure Charging additional refrigerant gauge Charging additional refrigerant (calculated from the  liquid tube length as shown in Section 2. 2-7 “Addi- Valve tional Refrigerant Charge”) using the liquid tube service valve.

  • Page 67: Test Run

    Test Run and Others 2. Test Run 2-1. Preparing for Test Run Before attempting to start the air conditioner,  check the following. (1) All loose matter is removed from the cabinet, especially steel filings, bits of wire, and clips. (Power must be turned ON at least 5 hours before (2) The control wiring is correctly connected and all...

  • Page 68: Test Run Procedure

    Test Run and Others 2. Test Run Items to Check Before the Test Run 2-2. Test Run Procedure 1. Turn the remote power switch on at Recheck the items to check before the test run. least 5 hours before the test, in order to energize the crank case heater.

  • Page 69: Outdoor Unit Pcb Setting

    Test Run and Others 2. Test Run 2-3. Outdoor Unit PCB Setting CN33 S003 CN51 CN50 S002 D043 S004 (LED2) D042 (LED1) Fig. 5-10 4-- 7...
  • Page 70 Test Run and Others 2. Test Run Examples of the No. of indoor units settings Indoor unit setting (S004) No. of indoor units (Rotary switch, red) 1 unit (factory setting) Set to 1 2 units Set to 2 9 units Set to 9 Examples of refrigerant circuit (R.C.) address settings (required when link wiring is used) System address (S003)

  • Page 71: Auto Address Setting

    Test Run and Others 2. Test Run 2-4. Auto Address Setting Basic wiring diagram: Example (1) • If link wiring is not used (The inter-unit control wires are not connected to multiple refrigerant systems.) Indoor unit addresses can be set without operating the compressors. No.
  • Page 72 Test Run and Others 2. Test Run Basic wiring diagram: Example (2)  If link wiring is used  If link wiring is used * When multiple outdoor units exist, remove the socket that is used to short-circuit the terminal plug (CN33) from all outdoor unit PCBs except for 1.
  • Page 73 Test Run and Others 2. Test Run Case 1 Automatic Address Setting (no compressor operation) Indoor and outdoor unit power can be turned ON for each system separately.  Indoor unit addresses can be set without operating the compressors. Automatic Address Setting from Outdoor Unit 1.
  • Page 74 Test Run and Others 2. Test Run Case 2 Automatic Address Setting in Heating Mode  Indoor and outdoor unit power cannot be turned ON for each system separately. In the following, automatic setting of indoor unit addresses is not possible if the compressors are not operating. Therefore perform this process only after completing all refrigerant tubing work.
  • Page 75 Test Run and Others 2. Test Run Case 3 Automatic Address Setting in Cooling Mode  Indoor and outdoor unit power cannot be turned ON for each system separately. In the following, automatic setting of indoor unit addresses is not possible if the compressors are not operating. Therefore perform this process only after completing all refrigerant tubing work.
  • Page 76 Test Run and Others 2. Test Run Display during automatic address setting On outdoor unit PCB  * Do not short-circuit the automatic address setting pin (CN51) again while automatic address setting is in progress. Doing so will cancel the setting operation and will cause LEDs 1 and 2 to turn OFF.
  • Page 77 Test Run and Others 2. Test Run Request concerning recording the indoor/outdoor unit combination Nos. After automatic address setting has been completed, be sure to record them for future reference. List the outdoor unit system address and the addresses of the indoor units in that system in an easily visible location (next to the nameplate), using a permanent marking pen or similar means that cannot be erased easily.

  • Page 78: Caution For Pump Down

    Test Run and Others 2. Test Run 2-5. Caution for Pump Down Pump down means refrigerant gas in the system is returned to the outdoor unit. Pump down is used when the unit is to be moved, or before servicing the refrigerant circuit.
  • Page 79 Test Run and Others 2. Test Run Alarm Possible cause of malfunction message This alarm message shows when the indoor unit for multiple-use Improper setting. Serial commu- is not connected to the outdoor unit. nication errors Duplication of main indoor unit address setting in group control. <L03>...

  • Page 80: Electrical Wiring

    Test Run and Others 3. Electrical Wiring 3-1. General Precautions on Wiring (1) Before wiring, confirm the rated voltage of the unit (7) Regulations on wire diameters differ from locality as shown on its nameplate, then carry out the to locality. For field wiring rules, please refer to wiring closely following the wiring diagram.

  • Page 81: Wiring System Diagram

    Test Run and Others 3. Electrical Wiring 3-3. Wiring System Diagram Indoor Outdoor unit unit (No. 1) INV unit Power supply Power supply 220-240V 50Hz 220–240V-1N 50Hz Ground Ground Remote controller Ground Ground Indoor unit (No. 2) Power supply 220-240V 50Hz Ground Remote...
  • Page 82 Test Run and Others 3. Electrical Wiring CAUTION (1) When linking outdoor units in a network (S-net link system), disconnect the terminal extended from the short plug (CN003, 2P Black, location: right bottom on the outdoor main control PCB) from all outdoor units except any one of the outdoor units.
  • Page 83 Test Run and Others 3. Electrical Wiring (5) Use shielded wires for inter-unit control wiring (c) and ground the shield on both sides, other- wise misoperation from noise may occur. (Fig. 5-16) Connect wiring as shown in Section “3-3. Shielded wire Wiring System Diagram.”...

  • Page 84: Installation Standards

    Test Run and Others 4. Installation Standards 2. The standards for minimum room volume are as 4-1. Check of Density Limit follows. The room in which the air conditioner is to be (1) No partition (shaded portion) installed requires a design that in the event of refrigerant gas leaking out, its density will not exceed a set limit.

  • Page 85: Precautions For Installation Using New Refrigerant

    Test Run and Others 4. Installation Standards 4-2. Precautions for Installation Using New Refrigerant 4-2-1. Care regarding tubing (1) Process tubing Material: Use C1220 phosphorous deoxidized copper specified in JIS H3300 “Copper and Copper Alloy Seam-  less Pipes and Tubes.” Tubing size: Be sure to use the sizes indicated in the table below.
  • Page 86 Test Run and Others 4. Installation Standards (2) Use R410A exclusive cylinder only. Valve Single-outlet valve (with siphon tube) Liquid refrigerant should be recharged with the cylinder standing on end as shown. Liquid 4- 24...
  • Page 87 R.D. 28 Reyrieux BP 131-01601 Tré voux CEDEX France Té l. 04.74.00.92.92 - Fax 04.74.00.42.00 R.C.S. Bourg-en-Bresse B 759 200 728...

This manual is also suitable for:

Cafm2v seriesCafm1vs seriesSpafm seriesCafm seriesDsafmhp seriesDsafm series ... Show all

Table of Contents