Table of Contents
Related Manuals for Rheem RHMVZ3021SNAUNJ
Summary of Contents for Rheem RHMVZ3021SNAUNJ
- Page 1 R410A AIR CONDITIONER REFRIGERANT INVERTER Duct type DESIGN & TECHNICAL MANUAL For Extra Cold Climate Area INDOOR RHMVZ3021SNAUNJ RHMVZ3621MNAUAJ RHMVZ4821SNAUAJ OUTDOOR RD16AZ30AJHUA RD16AZ36AJHUA RD16AZ48AJHUA DR_AR070EM_02 2022.12.08...
- Page 2 Notices: • Product specifications and design are subject to change without notice for future improvement. • For further details, please check with our authorized dealer.
-
Page 3: Table Of Contents
CONTENTS Part 1. INDOOR UNIT................1 1. Specifications....................2 2. Dimensions....................4 2-1. Models: RHMVZ3021SNAUNJ, RHMVZ3621MNAUAJ, and RHMVZ4821SNAUAJ ..4 2-2. Installation space requirement ..................5 3. Wiring diagram ....................7 3-1. Models: RHMVZ3021SNAUNJ, RHMVZ3621MNAUAJ, and RHMVZ4821SNAUAJ ..7 4. Capacity table....................8 4-1. Cooling capacity.......................8 4-2. Heating capacity ......................11 5. - Page 4 CONTENTS (continued) Part 2. OUTDOOR UNIT..............65 1. Specifications....................66 2. Dimensions....................68 2-1. Model: RD16AZ30AJHUA....................68 2-2. Model: RD16AZ36AJHUA....................69 2-3. Model: RD16AZ48AJHUA....................70 3. Installation space ..................71 3-1. Model: RD16AZ30AJHUA....................71 3-2. Models: RD16AZ36AJHUA and RD16AZ48AJHUA............75 4. Refrigerant circuit ..................79 4-1. Models: RD16AZ30AJHUA, RD16AZ36AJHUA, and RD16AZ48AJHUA ......79 5.
-
Page 5: Part 1. Indoor Unit
Part 1. INDOOR UNIT DUCT TYPE: RHMVZ3021SNAUNJ RHMVZ3621MNAUAJ RHMVZ4821SNAUAJ... -
Page 6: Specifications
1. Specifications Duct Type Inverter, Heat pump Model name RHMVZ3021SNAUNJ RHMVZ3621MNAUAJ RHMVZ4821SNAUAJ Power supply 208/230 V ~ 60 Hz Power supply intake Outdoor unit Available voltage range 187—253 V 8.38 9.67 13.33 Rated Btu/h 28,600 33,000 45,500 Cooling 2.81—10.26 3.81—11.43 3.81—14.65... - Page 7 Duct Type Inverter, Heat pump Model name RHMVZ3021SNAUNJ RHMVZ3621MNAUAJ RHMVZ4821SNAUAJ NOTES: • Specifications are based on the following conditions: – Cooling: Indoor temperature of 80°FDB/67°FWB (26.67°CDB/19.44°CWB), and outdoor temperature of 95°FDB/75°FWB (35°CDB/23.9°CWB). – Heating: Indoor temperature of 70°FDB/59°FWB (21.11°CDB/15°CWB), and outdoor temperature of 47°FDB/43°FWB (8.33°CDB/6.11°CWB).
-
Page 8: Dimensions
H (Unit height) RHMVZ3021SNAUNJ 19-1/2 (495) 21 (533) 42-1/2 (1,080) RHMVZ3621MNAUAJ 19-1/2 (495) 21 (533) 57 (1,448) RHMVZ4821SNAUAJ Return air opening Model Width Depth/Length RHMVZ3021SNAUNJ RHMVZ3621MNAUAJ 19-3/8 (492) 19-3/4 (502) RHMVZ4821SNAUAJ - 4 - 2-1. Models: RHMVZ3021SNAUNJ, RHMVZ3621MNAUAJ, and RHMVZ4821SNAUAJ 2. Dimensions... -
Page 9: Installation Space Requirement
2-2. Installation space requirement Provide sufficient installation space for product safety. (Top side) Service access 4 (100) 24 (600) or more or more For installation method, the following 4 patterns • Pattern A: Vertical installation, air intake port at the bottom •... - Page 10 • Pattern C: Vertical installation, air intake port at the top Reversing the evaporator coil and reattaching the thermistor are required • Pattern D: Horizontal installation, air intake port at the left Reversing the evaporator coil and reattaching the thermistor are required - 6 - 2-2.
-
Page 11: Wiring Diagram
3. Wiring diagram 3-1. Models: RHMVZ3021SNAUNJ, RHMVZ3621MNAUAJ, and RHMVZ4821SNAUAJ - 7 - 3-1. Models: RHMVZ3021SNAUNJ, RHMVZ3621MNAUAJ, and RHMVZ4821SNAUAJ 3. Wiring diagram... -
Page 12: Capacity Table
Airflow Rate (AFR): For cooling capacity: Total Capacity (TC), Sensible Heat Capacity (SHC), and Input Power (IP) For heating capacity: Total Capacity (TC) and Input Power (IP) 4-1. Cooling capacity ¢ Model: RHMVZ3021SNAUNJ Indoor temperature °FDB °FWB °FDB... - Page 13 ¢ Model: RHMVZ3621MNAUAJ 1,200 Indoor temperature °FDB °FWB °FDB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 25.43 18.52 0.99 30.25 20.48 1.01 34.32 22.38 1.06 38.42 24.58 1.14 42.16 26.80 1.22 46.23 29.41 1.35 25.43 18.52 1.09 30.25 20.48 1.11 34.32 22.38 1.16 38.42...
- Page 14 ¢ Model: RHMVZ4821SNAUAJ 1,640 Indoor temperature °FDB °FWB °FDB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 33.86 27.74 1.74 40.27 30.68 1.78 45.69 33.56 1.87 51.18 36.80 2.00 56.18 40.15 2.16 61.57 44.04 2.38 33.86 27.74 1.91 40.27 30.68 1.96 45.69 33.56 2.05 51.18...
-
Page 15: Heating Capacity
4-2. Heating capacity NOTE: Values mentioned in the table are calculated based on the maximum capacity. ¢ Model: RHMVZ3021SNAUNJ Indoor temperature °FDB °FDB °FWB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 27.05 4.92 26.49 4.93 26.00 4.93 26.00 5.30 25.90 5.36 30.18 4.96... - Page 16 ¢ Model: RHMVZ4821SNAUAJ 1,640 Indoor temperature °FDB °FDB °FWB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 44.56 5.98 42.02 6.04 39.00 6.29 38.51 6.34 38.96 6.53 51.99 6.03 49.03 6.09 45.50 6.34 44.93 6.40 45.45 6.59 51.25 6.21 51.76 6.25 51.00 6.39 50.24 6.44 48.81...
-
Page 17: Fan Performance
5. Fan performance NOTE: Airflow and capacity/outlet temperature curve data are measured based on the same condi- tions mentioned in "Specifications". 5-1. Fan performance curve ¢ Model: RHMVZ3021SNAUNJ 1.4 (350) 1.2 (300) 1.0 (250) 0.8 (200) Air volume of the High-notch Fan performance curve of 0.6 (150) - Page 18 ¢ Model: RHMVZ4821SNAUAJ 1.4 (350) 1.2 (300) 1.0 (250) 0.8 (200) 0.6 (150) Fan performance curve of Air volume of the Maximum static pressure High-notch(The static pressure range of 0.1—1.0 inWG) * 0.4 (100) Air volume of the Quiet-notch Fan performance curve of (The static pressure range of 0.2 (50) 0.1—1.0 inWG)
-
Page 19: Airflow
5-2. Airflow ¢ Model: RHMVZ3021SNAUNJ Cooling Fan speed Airflow 1,478 HIGH 1,240 1,002 QUIET Heating Fan speed Airflow 1,478 HIGH 1,240 1,002 QUIET - 15 - 5-2. Airflow 5. Fan performance... - Page 20 ¢ Model: RHMVZ3621MNAUAJ Cooling Fan speed Airflow 2,039 HIGH 1,200 1,257 1,002 QUIET Heating Fan speed Airflow 2,039 HIGH 1,200 1,257 1,002 QUIET - 16 - 5-2. Airflow 5. Fan performance...
- Page 21 ¢ Model: RHMVZ4821SNAUAJ Cooling Fan speed Airflow 2,786 HIGH 1,640 1,733 1,020 1,393 1,002 QUIET Heating Fan speed Airflow 2,786 HIGH 1,640 1,733 1,020 1,393 1,002 QUIET - 17 - 5-2. Airflow 5. Fan performance...
-
Page 22: Operation Noise (Sound Pressure)
6. Operation noise (sound pressure) 6-1. Noise level curve ¢ Model: RHMVZ3021SNAUNJ Cooling Heating NC-65 NC-65 NC-60 NC-60 NC-55 NC-55 NC-50 NC-50 HIGH NC-45 NC-45 HIGH NC-40 NC-40 NC-35 NC-35 NC-30 NC-30 NC-25 NC-25 NC-20 NC-20 QUIET NC-15... - Page 23 ¢ Model: RHMVZ4821SNAUAJ Cooling Heating NC-65 NC-65 NC-60 NC-60 HIGH NC-55 NC-55 HIGH NC-50 NC-50 NC-45 NC-45 NC-40 NC-40 NC-35 NC-35 NC-30 NC-30 NC-25 NC-25 QUIET NC-20 NC-20 QUIET NC-15 NC-15 1,000 2,000 4,000 8,000 1,000 2,000 4,000 8,000 Octave band center frequency, Hz Octave band center frequency, Hz...
-
Page 24: External Input And Output
7. External input and output Rotary switch CN47 CN65 Fig. External input and output PCB Terminal (External in) External out External in/out PCB (Connect with Wire kit) Remote sensor External Input connect kit External input External output Connector Input select signal (Optional parts) - Page 25 ¢ External input and output PCB The indoor unit Operation/Stop can be set by using the input terminal on the PCB. Input select Use either one of these types of terminals according to the application. (Both types of terminals cannot be used simultaneously.) •...
-
Page 26: External Output
7-2. External output Use an external output cable with appropriate external dimension, depending on the number of ca- bles to be installed. ¢ Indoor unit • A twisted pair cable (22AWG) should be used. Maximum length of cable is 82 ft (25 m). •... - Page 27 ¢ External input and output PCB • A twisted pair cable (22AWG) should be used. • Permissible voltage and current: DC 5 V to 30 V / 3 A, AC 30 V to 250 V / 3 A • For details, refer to Chapter 7-3. "Combination of external input and output"...
-
Page 28: Combination Of External Input And Output
7-3. Combination of external input and output By combining the function setting of the indoor unit and rotary switch setting of the External input and output PCB, you can select various combinations of functions. Combination examples of external input and output are as follows: External input External input Function... - Page 29 External output External input Function and output Indoor unit Mode External input and output PCB setting PCB (Rotary Output CN47 Output 1 Output 2 Output 3 Indoor unit fan 60-00 Operation/Stop Operation/Stop Error status operation status Indoor unit fan External heater 60-00 Operation/Stop Error status...
- Page 30 ¢ Input signal type • Indoor unit Input signal type is only "Edge". Edge • External input and output PCB The input signal type can be selected. Signal type (edge or pulse) can be switched by the DIP switch 2 (SW2) on the External input and output PCB.
-
Page 31: Details Of Function
7-4. Details of function ¢ Control input function When function setting is "Operation/Stop" mode 1 • In the case of "Edge" input Rotary SW of Function External input and External input Input signal Command setting / output PCB Off → On Operation Input of indoor unit Terminal... - Page 32 When function setting is "Forced stop" mode • In the case of "Edge" input Rotary SW of Function External input and External input Input signal Command setting / output PCB Off → On Forced stop Input of indoor unit Terminal On →...
- Page 33 When function setting is "Operation/Stop" mode 2 • In the case of "Edge" input Rotary SW of Function External input and External input Input signal Command setting / output PCB Off → On Operation Stop Input of indoor unit Terminal (Remote On →...
- Page 34 ¢ Forced thermostat off function Function Rotary SW of External External input Input signal Command setting / input and output PCB 60-00 / 2 60-02 / 4 60-05 / 7 Off → On Thermostat off 60-06 / 8 External input and output Input 1 60-08 / A 60-09 / B...
- Page 35 ¢ Error status Function Rotary SW of External External output Output signal Command setting / input and output PCB Low → High Error 60-09 / B Output of indoor unit CN47 High → Low Normal 60-00 / 2 Off → On Error 60-01 / 3 60-02 / 4...
- Page 36 ¢ Indoor unit fan operation status Function Rotary SW of External External output Output signal Command setting / input and output PCB Low → High Fan run 60-10 / C Output of indoor unit CN47 High → Low Fan stop 60-00 / 2 Off →...
- Page 37 ¢ External heater output Function setting Indoor unit Wired R. C. Control Primary heater Auxiliary heater Control switching external heaters Sensor activation* No. 61 Auxiliary heater Heat pump 61-00 — External device* control 1 Auxiliary heater Heat pump External device 61-01 —...
- Page 38 Installation configuration of individual connection External heating device is installed individually. (No use of indoor unit fan) On/Off Example of heating device: - Floor heating device WARNING • DIP Switch 101-3 must be in the ON position when ducted electric heat application is be- ing used.
- Page 39 Auxiliary equipment control by room temperature Auxiliary equipment control is switchable by room temperature. Auxiliary equipment switching is per- formed for each room temperature divided to following 3 zones. Zone A Ts +0.9°F (0.5 °C) Ts: Setting temperature Ts -0.9°F (0.5 °C) Tr: Room temperature Zone B Zone C...
- Page 40 Auxiliary heater control 1 Operation Condition Heater on Heater is on as shown in following diagram of heating temperature. • Heater is off as shown in following diagram of heating temperature. • Other than heating mode Heater off • Error occurred •...
- Page 41 Heat pump prohibition control Perform heating by external heater only. Indoor unit is continuous thermostat off. Operation Condition Heater is on as shown in following diagram of heating Heater on temperature. DIP-SW101-3 • Heater is off as shown in following diagram of heating temperature.
- Page 42 Auxiliary heater control by outdoor temperature 1 This control selects heat pump or external heater according to the outdoor temperature. When out- door temperature is high, the heating is performed by using heat pump only. Operation Condition Heater is on as shown in following diagram of heating Heater on temperature.
- Page 43 • Operation status 46.4°F (8°C) 42.8°F (6°C) Outdoor temperature (Factory setting) -0.4°F (-18°C) -4°F (-20°C) Heat pump Heat pump Combination zone prohibition only zone Outdoor temperature zone* zone Comp. On/Off 12 V Heater DIP-SW101-3: On DIP-SW101-3: Off *: The outdoor temperature zone transition from one to another will stay in that zone for minimum of 30 min. NOTE: In following operations, compressor will be on in heat pump prohibition zone.
- Page 44 Auxiliary heater control by outdoor temperature 2 This control selects heat pump or external heater according to the outdoor temperature. Even when outdoor temperature is high, the heating is performed by using both of heat pump and external heater. Operation Condition Heater on...
- Page 45 • Operation status 46.4°F (8°C) 42.8°F (6°C) Outdoor temperature (Factory setting) -0.4°F (-18°C) -4°F (-20°C) Heat pump Combination zone Outdoor temperature zone * prohibition zone Comp. On/Off 12 V Heater DIP-SW101-3 On DIP-SW101-3 Off * The outdoor temperature zone transition from one to another will stay in that zone for minimum of 30 min. NOTE: In following operations, compressor will be on in heat pump prohibition zone.
- Page 46 Auxiliary heater control by outdoor temperature 3 This control selects heat pump or external heater according to the outdoor temperature. Even when outdoor temperature is high, the heating is performed by using both of heat pump and external heater. Operation Condition Heater on...
- Page 47 • Operation status Heat pump only zone 46.4°F (8°C) 42.8°F (6°C) Outdoor temperature (Factory setting) -0.4°F (-18°C) -4°F (-20°C) Combination zone Outdoor temperature zone * Comp. On/Off 12 V Heater DIP-SW101-3 On DIP-SW101-3 Off *: The outdoor temperature zone transition from one to another will stay in that zone for minimum of 30 min. NOTE: In following operations, compressor will be on in heat pump prohibition zone.
- Page 48 Auxiliary heat pump control • External heater output Operation Condition Heater is on as shown in following diagram of heating Heater on temperature. DIP-SW101-3 • Heater is off as shown in following diagram of heating temperature. • Other than heating mode Indoor unit fan •...
- Page 49 Auxiliary heat pump control by outdoor temperature 1 • External heater output Operation Condition Heater on Heater is on as shown in following diagram of heating temperature. DIP-SW101-3 • Heater is off as shown in following diagram of heating temperature.
- Page 50 • Outdoor temperature zone Outdoor temp. Combination zone ( Heat pump + Heater) A + 3.6°F ( 2°C): -0.4°F (-18°C) *A: -4°F (-20°C) Heater only zone *: Adjustable by function setting 67 • Operation status 46.4°F (8°C) 42.8°F (6°C) Outdoor temperature (Factory setting)
- Page 51 Auxiliary heat pump control by outdoor temperature 2 • External heater output Operation Condition Heater is on as shown in following diagram of heating Heater on temperature. DIP-SW101-3 • Heater is off as shown in following diagram of heating temperature.
- Page 52 • Outdoor temperature zone Outdoor temp. Heater only zone B + 3.6°F (2°C): 46.4°F (8°C) *B: 42.8°F (6°C) Combination zone (Heat pump + Heater) *: Adjustable by function setting 67 • Operation status Heat pump prohibition zone 46.4°F (8°C) 42.8°F (6°C) Outdoor temperature (Factory setting) -0.4°F (-18°C)
- Page 53 Auxiliary heat pump control by outdoor temperature 3 • External heater output Operation Condition Heater is on as shown in following diagram of heating Heater on temperature. DIP-SW101-3 • Heater is off as shown in following diagram of heating temperature.
- Page 54 • Outdoor temperature zone Outdoor temp. Heater only zone B + 3.6°F (2°C): 46.4°F (8°C) B: 42.8°F (6°C)* Combination zone (Heat pump + Heater) A + 3.6°F (2°C): -0.4°F (-18°C) A: -4°F (-20°C)* Heater only zone ...
- Page 55 ¢ Heating thermostat on for humidifier Indoor unit Function External output setting Situation Mode Rotary SW Heating Indoor unit fan Heating thermostat on operation thermostat on no. 60 status 60-05 CN47 Example of 60-06 Output3 individual Not used 60-07 Output2 connection 60-08 Output1...
-
Page 56: Function Settings
NOTE: Incorrect settings can cause a product malfunction. 8-1. Function settings on indoor unit ¢ Models: RHMVZ3021SNAUNJ, RHMVZ3621MNAUAJ, and RHMVZ4821SNAUAJ By using some components on the PCB, you can change the function settings. Related components on the PCB and the applicable settings... -
Page 57: Function Settings By Using Remote Controller
8-2. Function settings by using remote controller Some function settings can be changed on the remote controller. After confirming the setting proce- dure and the content of each function setting, select appropriate functions for your installation envi- ronment. ¢ Setting procedure by using remote controller Remote controller is not attached for this product. - Page 58 2) Room temperature control for indoor unit sensor NOTE: If the remote sensor unit option is selected, perform this setting. Depending on the installed environment, correction of the room temperature sensor may be re- quired. Select the appropriate control setting according to the installed environment. The temperature of the room temperature sensor is corrected as follows: Corrected temp.
- Page 59 3) Room temperature control for wired remote controller sensor Depending on the installed environment, correction of the wire remote temperature sensor may be required. Select the appropriate control setting according to the installed environment. To change this setting, set Function 42 to “Both“ (01). Ensure that the Thermo Sensor icon is displayed on the remote controller screen.
- Page 60 6) Cold air prevention This setting is to disable the cold air prevention function during heating operation. When disabled, the fan setting will always follow the setting on the remote controller. (Excluding defrost mode) Function number Setting value Setting description Factory setting Enable ♦...
- Page 61 10) Switching functions for external output terminal Functions of the external output terminal can be switched. For details, refer to “External input and output”. Function number Setting value Setting description Factory setting Operation status ♦ 01—04 Cooling thermostat On Heating operation Operation/Stop 07—08 Cooling thermostat On...
- Page 62 12) Operating temperature switching of external heaters Sets the temperature conditions when the external heater is ON. For details, refer to “External heater output” in Chapter 7-4. "Details of function" on page 27. Setting description Setting value of function 61: Function Setting Factory...
- Page 63 14) Outdoor temperature zone boundary temperature B Setting required if changing of the outdoor temperature setting for heat pump only zone is required when auxiliary heater control by outdoor temperature 1 is performed on the indoor unit. For details, refer to “External heater output” in Chapter 7-4. "Details of function"...
- Page 64 18) Fan delay time Sets the fan delay time when the heater is turned off. Function number Setting value Setting description Factory setting 1 minute ♦ 50 seconds 40 seconds 30 seconds 19) External heater use in defrosting Enables or disables external heater use in defrosting. NOTE: Inappropriate heater selection may cause cold air in defrosting.
-
Page 65: Accessories
Cable tie (large) Installation manual Cable tie (medium) (indoor unit) Rail Cable tie (small) Duct flanges Drain hose insulation Coupler heat insulation Drain cap (large) Coupler heat insulation Screw (small) - 61 - 9-1. Models: RHMVZ3021SNAUNJ, RHMVZ3621MNAUAJ, and RHMVZ4821SNAUAJ 9. Accessories... -
Page 66: Optional Parts
10. Optional parts 10-1. Controllers Exterior Part name Model name Summary Easy finger touch operation with LCD Office Fri 10:00AM Mode Set Temp. Wired Remote panel. Backlit LCD enables easy Cool 80°F Custom Auto Auto RXRNRUZ* Heat 74°F Controller operation in a dark room. Cool 84°F Room Temp. -
Page 67: 10-2.Others
10-2. Others Exterior Part name Model name Summary Thermo-sensor for sensing the Remote Sensor RXXSZX temperature of arbitrary place in the Unit room. Use to connect with various peripheral External devices and air conditioner PCB. RXXWZXZG Connect Kit For control output port. Use to connect with external devices External Input and air conditioner PCB. - Page 68 DUCT TYPE RHMVZ3021-4821*NAU DUCT TYPE RHMVZ3021-4821*NAU...
-
Page 69: Part 2. Outdoor Unit
Part 2. OUTDOOR UNIT SINGLE TYPE: RD16AZ30AJHUA RD16AZ36AJHUA RD16AZ48AJHUA... -
Page 70: Specifications
1. Specifications Type Inverter heat pump Model name RD16AZ30AJHUA Power supply 208/230 V ~ 60 Hz Power supply intake Outdoor unit Available voltage range 187—253 V Starting current 11.4 Cooling 2,590 (4,400) Airflow rate CFM (m Heating 2,590 (4,400) Type × Q'ty Propeller ×... - Page 71 Type Inverter heat pump Model name RD16AZ36AJHUA RD16AZ48AJHUA Power supply 208/230 V ~ 60 Hz Power supply intake Outdoor unit Available voltage range 187—253 V Starting current 12.8 22.2 Cooling 3,767 (6,400) 4,297 (7,300) Airflow rate CFM (m Heating 3,649 (6,200) Type ×...
-
Page 72: Dimensions
2. Dimensions 2-1. Model: RD16AZ30AJHUA Unit: in (mm) 6-9/16 (166) 25-9/16 (650) 6-1/16 (154) 1-7/16 (36) 38-3/16 (970) 1-4/16 (32) 14-9/16 (370) 9/16 (14) Treminal blocks 3-Way valve (Liquid) 3-Way valve (Gas) Ø1-3/8 (34.5)(Cable port) Ø7/8 (22.2)(Cable port) Ø7/8 (22.2)(Cable port) Ø7/8 (22.2)(Cable port) Ø7/8 (22.2)(Cable port) Ø1-1/8 (27.8)(Cable port) -
Page 73: Model: Rd16Az36Ajhua
2-2. Model: RD16AZ36AJHUA Unit: in (mm) 6-9/16 25-9/16 6-1/16 (166) (650) (154) 1-7/16 (36) Top view 1-1/4 14-9/16 38-3/16 (970) (32) (370) (12) Terminal blocks 3-Way valve (Liquid) 3-Way valve (Gas) Ø1-3/8 (34.5)(Cable port) 2-3/16 3-1/2 13/16 (89) (21) (55) Pipe port 13/16 (21) 3-1/8 (80) -
Page 74: Model: Rd16Az48Ajhua
2-3. Model: RD16AZ48AJHUA Unit: in (mm) 6-9/16 25-9/16 6-1/16 (166) (650) (154) 1-7/16 (36) Top view 1-1/4 14-9/16 38-3/16 (970) (32) (370) (12) Terminal blocks 3-Way valve (Liquid) 3-Way valve (Gas) Ø1-3/8 (34.5)(Cable port) 2-3/16 3-1/2 13/16 (89) (21) (55) Pipe port 13/16 (21) 3-1/8 (80) -
Page 75: Installation Space
3. Installation space 3-1. Model: RD16AZ30AJHUA CAUTION • The installation space shown in the following examples is based on an ambient temperature un- der cooling operation of 95°FDB (35°CDB) at the air intake of the outdoor unit. Provide more space around the air intake than shown in the examples if the ambient tempera- ture exceeds 95°FDB (35°CDB) or if the thermal load of all of the outdoor units exceeds the ca- pacity. - Page 76 ¢ Space requirement Provide sufficient installation space for product safety. Single outdoor unit installation • When the upper space is open: Unit: in (mm) When there are obstacles at the rear only. When there are obstacles at the rear and sides.
- Page 77 Multiple outdoor unit installation NOTES: • Provide at least 10 in (250 mm) of space between the outdoor units if multiple units are in- stalled. • When routing the piping from the side of an outdoor unit, provide space for the piping. •...
- Page 78 Outdoor unit installation in multi-row Unit: in (mm) Single parallel unit arrangement Multiple parallel unit arrangement 6 (150) or more 20 (500) or more 79 (2,000) or more 119 (3,000) or more 24 (600) or more 24 (600) or more 40 (1,000) or more 60 (1,500) or more NOTES:...
-
Page 79: Models: Rd16Az36Ajhua And Rd16Az48Ajhua
3-2. Models: RD16AZ36AJHUA and RD16AZ48AJHUA CAUTION • The installation space shown in the following examples is based on an ambient temperature un- der cooling operation of 95°FDB (35°CDB) at the air intake of the outdoor unit. Provide more space around the air intake than shown in the examples if the ambient tempera- ture exceeds 95°FDB (35°CDB) or if the thermal load of all of the outdoor units exceeds the ca- pacity. - Page 80 ¢ Space requirement Provide sufficient installation space for product safety. Single outdoor unit installation • When the upper space is open: Unit: in (mm) When there are obstacles at the rear only. When there are obstacles at the rear and sides.
- Page 81 Multiple outdoor unit installation NOTES: • Provide at least 10 in (250 mm) of space between the outdoor units if multiple units are in- stalled. • When routing the piping from the side of an outdoor unit, provide space for the piping. •...
- Page 82 Outdoor unit installation in multi-row Unit: in (mm) Single parallel unit arrangement Multiple parallel unit arrangement 6 (150) or more 20 (500) or more 79 (2,000) or more 119 (3,000) or more 24 (600) or more 24 (600) or more 60 (1,500) or more 40 (1,000) or more NOTES:...
-
Page 83: Refrigerant Circuit
4. Refrigerant circuit 4-1. Models: RD16AZ30AJHUA, RD16AZ36AJHUA, and RD16AZ48AJHUA Heat exchanger 3-way 3-way (INDOOR) valve valve Pressure switch 4-way valve Strainer Expansion valve Strainer Heat exchanger (OUTDOOR) : Cooling : Heating : Thermistor (Compressor temperature) : Thermistor (Discharge temperature) : Thermistor (Heat exchanger middle temperature) : Thermistor (Outdoor temperature) : Thermistor (Heat exchanger out temperature) : Thermistor (Pipe temperature) -
Page 84: Wiring Diagrams
5. Wiring diagrams 5-1. Model: RD16AZ30AJHUA 5-2. Models: RD16AZ36AJHUA and RD16AZ48AJHUA - 80 - 5-1. Model: RD16AZ30AJHUA 5. Wiring diagrams... -
Page 85: Capacity Compensation Rate For Pipe Length And Height Difference
6. Capacity compensation rate for pipe length and height difference Height difference H Indoor unit is higher than outdoor unit Indoor unit is lower than outdoor unit Outdoor unit Indoor unit Outdoor unit Indoor unit Connection pipe Connection pipe 6-1. Models: RD16AZ30AJHUA, RD16AZ36AJHUA, and RD16AZ48AJHUA NOTE: Values mentioned in the table are calculated based on the maximum capacity. -
Page 86: Additional Charge Calculation
7. Additional charge calculation 7-1. Model: RD16AZ30AJHUA Refrigerant type R410A lb oz 7 lb 8 oz Refrigerant amount 3,400 ¢ Refrigerant charge 98 or less 246 (Max.) Total pipe length 0.43 oz/ft 30 or less 75 (Max.) 14.1 28.2 42.3 63.5 (40 g/m) Additional charge... -
Page 87: Airflow
8. Airflow 8-1. Model: RD16AZ30AJHUA Cooling 4,400 1,222 2,590 Heating 4,400 1,222 2,590 8-2. Model: RD16AZ36AJHUA Cooling 6,400 1,778 3,767 Heating 6,200 1,722 3,649 8-3. Model: RD16AZ48AJHUA Cooling 7,300 2,028 4,297 Heating 6,200 1,722 3,749 - 83 - 8-1. -
Page 88: Operation Noise (Sound Pressure)
9. Operation noise (sound pressure) 9-1. Noise level curve ¢ Model: RD16AZ30AJHUA Cooling Heating NC-65 NC-65 NC-60 NC-60 NC-55 NC-55 NC-50 NC-50 NC-45 NC-45 NC-40 NC-40 NC-35 NC-35 NC-30 NC-30 NC-25 NC-25 NC-20 NC-20 NC-15 NC-15 1,000 2,000 4,000 8,000 1,000... -
Page 89: Sound Level Check Point
¢ Model: RD16AZ48AJHUA Cooling Heating NC-65 NC-65 NC-60 NC-60 NC-55 NC-55 NC-50 NC-50 NC-45 NC-45 NC-40 NC-40 NC-35 NC-35 NC-30 NC-30 NC-25 NC-25 NC-20 NC-20 NC-15 NC-15 1,000 2,000 4,000 8,000 1,000 2,000 4,000 8,000 Octave band center frequency, Hz Octave band center frequency, Hz 9-2. -
Page 90: Electrical Characteristics
10. Electrical characteristics Model name Item Unit RD16AZ30AJHUA Voltage 208/230 ~ Power supply Frequency MCA *1 31.9 Starting current 11.4 MAX. CKT. BKR * Select an appropriate cable following local electrical Power cable codes. Wiring spec. Select an appropriate cable following local electrical Size Connection codes. -
Page 91: Safety Devices
11. Safety devices Model Type of protection Protection form RD16AZ30AJHUA AC 250 V, 3.15 A Fuse (Main PCB) AC 250 V, 10 A Fuse (Main PCB) AC 500 V, 35 A 239±27 °F (115±15 °C) Activate Fan motor stop Fan motor Thermal protection protection 158 °F (70 °C) -
Page 92: Function Settings
12. Function settings Perform appropriate function setting locally according to the installation environment. NOTE: Incorrect settings can cause a product malfunction. CAUTION • Before setting up the switch buttons, discharge the static electricity from your body. • Never touch the terminals or the patterns on the parts that are mounted on the PCB. 12-1. - Page 93 ¢ Switch buttons and the functions LED lamps S134 S133 S132 S131 S130 Switch buttons LED lamp Function or operation method Lights on while power on. (1) POWER/MODE Green Blinks to show the local setting on the outdoor unit or the error code. (2) ERROR Blinks during error operation.
-
Page 94: 12-2.Local Setting Procedure
12-2. Local setting procedure NOTE: Before performing the function setting, be sure to stop the operation of the air conditioner. ¢ Low noise mode Press the MODE switch button (S134) for 3 seconds or more to switch to “Local setting mode”. After confirming the LED lamp of POWER/MODE blinks 9 times, press the ENTER switch but- ton (S132). - Page 95 ¢ Peak cut mode Press the MODE switch button (S134) for 3 seconds or more to switch to “Local setting mode”. After confirming the LED lamp of POWER/MODE blinks 9 times, press the ENTER switch but- ton (S132). PUMP POWER LOW NOISE PEAK CUT DOWN...
- Page 96 ¢ Maximum circuit breaker Press the MODE switch button (S134) for 3 seconds or more to switch to “Local setting mode”. After confirming the LED lamp of POWER/MODE blinks 9 times, press the ENTER switch but- ton (S132). PUMP POWER LOW NOISE PEAK CUT DOWN...
- Page 97 NOTES: • When pressed number is lost during setting, you must redo the setting procedure. Return to “Operation status display (Normal operation)” by pressing the EXIT switch button once, and restart from the beginning of the setting procedure. • Check the breaker capacity label after changing the setting. Breaker Capacity Label Service Panel...
- Page 98 ¢ Base pan heater forced off Press the MODE switch button (S134) for 3 seconds or more to switch to “Local setting mode”. After confirming the LED lamp of POWER/MODE blinks 9 times, press the ENTER switch but- ton (S132). PUMP POWER LOW NOISE...
-
Page 99: Accessories
13. Accessories Part name Exterior Q’ty Part name Exterior Q’ty Installation manual - 95 - 13. Accessories...