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4. Refrigerant circuit

4-1. Models: RP1724HJVXA and RP1730HJVXA

2-Way

valve

Strainer

Strainer

3-Way

valve

Muffler

4-Way valve

Expansion valve

C

o

m

pr

e

s

s

o

r

: Cooling
: Heating

Pressure
switch

S

u

b

-a

cc

u

mu

la

to

r

Th

C

Th

R

Th

D

Th

PI

Th

O

Th

HO

Th

C

: Thermistor (Compressor temperature)

: Thermistor (Discharge temperature)

: Thermistor (Outdoor temperature)

: Thermistor (Condenser coil Out temperature)

Th

D

Th

O

Th

HO

: Thermistor (Room temperature)

: Thermistor (Pipe temperature)

Th

R

Th

PI

Pressure 
check valve

Evaporator coil

(Indoor)

Condenser coil

(Outdoor)

- 77 -

4-1. Models: RP1724HJVXA and RP1730HJVXA

4. Refrigerant circuit

OUTDOOR UNIT

RP1724-1748HJVXA

OUTDOOR UNIT

RP1724-1748HJVXA

Содержание RHMV2421MNACJA

Страница 1: ...NER Duct type REFRIGERANT R410A INVERTER DESIGN TECHNICAL MANUAL INDOOR RHMV2421MNACJA RHMV3021SNACJA RHMV3621MNACJA RHMV4821SNACJA OUTDOOR RP1724HJVXA RP1730HJVXA RP1736HJVXA RP1748HJVXA DR_AR048EM_0...

Страница 2: ...Notices Product specifications and design are subject to change without notice for future improvement For further details please check with our authorized dealer...

Страница 3: ...Fan performance 13 5 1 Fan performance curve 13 5 2 Airflow 15 6 Operation noise sound pressure 19 6 1 Noise level curve 19 7 External input and output 21 7 1 External input 21 7 2 External output 23...

Страница 4: ...P1724HJVXA and RP1730HJVXA 81 6 2 Models RP1736HJVXA and RP1748HJVXA 82 7 Additional charge calculation 83 7 1 Models RP1724HJVXA and RP1730HJVXA 83 7 2 Models RP1736HJVXA and RP1748HJVXA 83 8 Airflow...

Страница 5: ...Part 1 INDOOR UNIT DUCT TYPE RHMV2421MNACJA RHMV3021SNACJA RHMV3621MNACJA RHMV4821SNACJA...

Страница 6: ...mit Outdoor temp Min Max 0 48 3 20 0 42 3 24 0 59 4 28 0 59 4 30 Fan HIGH W 106 9 136 3 204 3 412 4 MED 67 4 96 3 63 4 118 2 LOW 50 6 57 7 42 1 73 1 QUIET 19 7 22 7 31 0 38 5 Current Cooling Rated A 8...

Страница 7: ...length 24 ft 7 in 7 5 m Height difference 0 ft 0 m Between outdoor unit and indoor unit Standard static pressure 0 18 in WG 45 Pa 24 model 0 23 in WG 58 Pa 30 and 36 model 0 28 in WG 70 Pa 48 model P...

Страница 8: ...xiliary drain connection Liquid pipe Model Dimension A Supply duct W Unit width H Unit height RHMV2421MNACJA RHMV3021SNACJA 19 1 2 495 21 533 42 1 2 1 080 RHMV3621MNACJA RHMV4821SNACJA 19 1 2 495 21 5...

Страница 9: ...access 4 100 or more For installation method the following 4 patterns Pattern A Vertical installation air intake port at the bottom AIR AIR Pattern B Horizontal installation air intake port at the ri...

Страница 10: ...aching the thermistor are required AIR AIR Pattern D Horizontal installation air intake port at the left Reversing the evaporator coil and reattaching the thermistor are required AIR AIR 6 2 2 Install...

Страница 11: ...els RHMV2421MNACJA RHMV3021SNACJA RHMV3621MNACJA and RHMV4821SNACJA 7 3 1 Models RHMV2421MNACJA RHMV3021SNACJA RHMV3621MNACJA and RHMV4821SNACJA 3 Wiring diagram DUCT TYPE RHMV2421 4821 NACJ A DUCT TY...

Страница 12: ...93 20 86 16 27 1 96 22 54 17 00 1 98 24 00 17 48 2 00 25 20 18 88 2 01 26 24 20 10 2 02 104 15 32 13 85 2 40 17 05 14 46 2 41 18 50 15 22 2 42 19 95 15 67 2 43 21 34 17 35 2 44 22 77 18 78 2 45 115 1...

Страница 13: ...97 9 23 6 92 2 99 9 61 7 36 3 00 40 5 61 5 07 3 57 6 25 5 30 3 58 6 78 5 58 3 60 7 31 5 74 3 61 7 82 6 36 3 62 8 34 6 88 3 63 46 1 3 78 3 78 4 60 4 11 4 11 4 61 4 51 4 51 4 63 5 03 4 73 4 64 5 64 5 4...

Страница 14: ...7 24 44 5 94 33 94 23 21 6 22 34 83 29 91 6 37 36 53 25 85 6 53 45 46 42 10 6 45 AFR m3 h 2 786 Indoor temperature CDB 17 8 21 1 23 9 26 7 29 4 32 2 CWB 12 2 15 6 17 2 19 4 21 7 22 8 Outdoor temperatu...

Страница 15: ...8 9 90 3 47 9 57 3 52 9 34 3 49 15 10 12 28 3 85 11 39 3 75 11 11 3 48 10 52 3 58 10 35 3 50 Model RHMV3021SNACJA AFR CFM 870 Indoor temperature FDB 60 65 70 72 75 Outdoor temperature FDB FWB TC IP TC...

Страница 16: ...96 17 94 4 88 17 02 5 13 17 73 5 27 20 11 5 64 Model RHMV4821SNACJA AFR CFM 1 640 Indoor temperature FDB 60 65 70 72 75 Outdoor temperature FDB FWB TC IP TC IP TC IP TC IP TC IP kBtu h kW kBtu h kW kB...

Страница 17: ...automatic air volume adjustment Within the SP range of 0 1 1 0 inWG Model RHMV3021SNACJA 0 0 2 50 0 4 100 0 6 150 0 8 200 1 0 250 1 2 300 1 4 350 0 500 1 000 1 478 1 500 2 000 294 589 870 883 1 177 Ai...

Страница 18: ...ent Within the SP range of 0 1 1 0 inWG Model RHMV4821SNACJA Airflow CFM m3 h 0 0 2 50 0 4 100 0 6 150 0 8 200 1 0 250 1 2 300 1 4 350 External static pressure inWG Pa 0 1 25 0 1 177 1 472 294 589 883...

Страница 19: ...FM 670 LOW m3 h 1 002 l s 278 CFM 590 QUIET m3 h 527 l s 146 CFM 310 Heating Fan speed Airflow HIGH m3 h 1 359 l s 378 CFM 800 MED m3 h 1 138 l s 316 CFM 670 LOW m3 h 1 002 l s 278 CFM 590 QUIET m3 h...

Страница 20: ...0 LOW m3 h 1 002 l s 278 CFM 590 QUIET m3 h 527 l s 146 CFM 310 Heating Fan speed Airflow HIGH m3 h 1 478 l s 411 CFM 870 MED m3 h 1 240 l s 345 CFM 730 LOW m3 h 1 002 l s 278 CFM 590 QUIET m3 h 527 l...

Страница 21: ...0 LOW m3 h 1 002 l s 278 CFM 590 QUIET m3 h 833 l s 231 CFM 490 Heating Fan speed Airflow HIGH m3 h 2 039 l s 566 CFM 1 200 MED m3 h 1 257 l s 349 CFM 740 LOW m3 h 1 002 l s 278 CFM 590 QUIET m3 h 833...

Страница 22: ...LOW m3 h 1 393 l s 387 CFM 820 QUIET m3 h 1 002 l s 278 CFM 590 Heating Fan speed Airflow HIGH m3 h 2 786 l s 774 CFM 1 640 MED m3 h 1 733 l s 481 CFM 1 020 LOW m3 h 1 393 l s 387 CFM 820 QUIET m3 h 1...

Страница 23: ...Hz 80 70 60 50 40 30 20 10 0 63 125 250 500 1 000 2 000 4 000 8 000 Model RHMV3021SNACJA Cooling NC 65 NC 60 NC 55 NC 50 NC 45 NC 40 NC 35 NC 30 NC 25 NC 20 NC 15 Octave band sound pressure level dB 0...

Страница 24: ...0 63 125 250 500 1 000 2 000 4 000 8 000 Model RHMV4821SNACJA Cooling HIGH QUIET NC 65 NC 60 NC 55 NC 50 NC 45 NC 40 NC 35 NC 30 NC 25 NC 20 NC 15 Octave band sound pressure level dB 0 dB 0 0002 bar O...

Страница 25: ...Input 1 Input 2 Dry contact Apply voltage Edge Pulse Forced thermostat off Input 1 Edge Operation status Output 1 Output 2 Output 3 Error status Indoor unit fan operation status External heater output...

Страница 26: ...ON VOL side 1 2 C Input 1 Input 2 PCB Connected unit 1 The switches can be used on the following condition DC 12 V to 24 V 1 mA to 15 mA Apply voltage In case of external power supply set the slide sw...

Страница 27: ...25 When indicator etc are connected directly Example Function setting 60 is set to 00 1 2 CN47 LED PCB Resistor Connected unit When connecting with a device equipped with a power supply Example Funct...

Страница 28: ...to Chapter 7 3 Combination of external input and output on page 25 1 2 3 4 5 6 Power supply Power supply Power supply PCB Connected device 1 Operation status Connected device 2 Error status Indoor uni...

Страница 29: ...46 00 or Forced stop Function setting 46 02 Operation Stop Not available Edge Operation Stop Pulse 0 2 60 00 2 Forced Thermostat OFF Not available Edge 1 60 01 3 Mechanical cooling Off 2 60 02 4 Forc...

Страница 30: ...ternal heater output 6 60 06 8 Operation Stop Error status Indoor unit fan operation status Heating thermostat On 7 60 07 9 Cooling thermostat On Error status Heating thermostat On External heater out...

Страница 31: ...e can be selected Signal type edge or pulse can be switched by the DIP switch 2 SW2 on the External input and output PCB Edge Pulse The width of pulse must be longer than 200 msec 27 7 3 Combination o...

Страница 32: ...Remote controller On Off Indoor unit On Input In the case of Pulse input Function setting Rotary SW of External input and output PCB External input Input signal Command 46 00 60 00 1 External input a...

Страница 33: ...y SW of External input and output PCB External input Input signal Command 46 02 60 00 1 External input and output PCB Input 1 Pulse Forced stop Input 2 Pulse Normal On Off Operation Stop Remote contro...

Страница 34: ...er On On Off In the case of Pulse input Function setting Rotary SW of External input and output PCB External input Input signal Command 46 03 60 00 1 External input and output PCB Input 1 Pulse Operat...

Страница 35: ...nput Control output function Function setting Rotary SW of External input and output PCB External output Output signal Command 60 00 1 2 60 06 8 Output of indoor unit CN47 Low High Operation High Low...

Страница 36: ...60 06 8 60 07 9 External input and output PCB Output 1 Off On Error On Off Normal 60 00 1 Output 2 Off On Error 60 10 C On Off Normal 60 11 D Output 3 Off On Error On Off Normal The output is ON when...

Страница 37: ...t and output PCB Output 2 Off On Fan run On Off Fan stop 60 00 1 Output 3 Off On Fan run On Off Fan stop Output signal Condition On The indoor unit fan is operating Low High Off The fan is stopped or...

Страница 38: ...device Heat pump 61 06 On Enabled Auxiliary heat pump control by outdoor temperature 1 External device Heat pump 61 07 On Enabled Auxiliary heat pump control by outdoor temperature 2 External device...

Страница 39: ...shown in following diagram of heating temperature Other than heating mode Error occurred Forced thermostat off Fan stop protection Indoor unit fan setting for external heater Enabled DIP SW101 3 Off H...

Страница 40: ...ecessary Off Off Off Off B Primary heater only When room temperature stays in zone B for a long time auxiliary equipment also operates On Off 1 C Auxiliary equipment also operates On On 2 On On 2 1 Fo...

Страница 41: ...erature Tr increases above 69 8 F 21 C signal output is off and room temperature Tr decreases below 66 2 F 19 C signal output is on and room temperature Tr decreases below 50 F 10 C signal output is o...

Страница 42: ...d thermostat off Indoor unit fan setting for external heater Disabled Temperature of heater on Thon Adjustable by function number 62 Operating temperature switching of external heaters All control tem...

Страница 43: ...tting for external heater Disabled Temperature of heater on Thon Adjustable by function number 62 Operating temperature switching of external heaters All control temperatures will shift by adjusting T...

Страница 44: ...perature zone transition from one to another will stay in that zone for minimum of 30 min 46 4 F 8 C 42 8 F 6 C 0 4 F 18 C 4 F 20 C On Off Fan DIP SW101 3 On DIP SW101 3 Off NOTE In following operatio...

Страница 45: ...ed Forced thermostat off Indoor unit fan setting for external heater Disabled Temperature of heater on Thon Adjustable by function number 62 Operating temperature switching of external heaters All con...

Страница 46: ...nsition from one to another will stay in that zone for minimum of 30 min 46 4 F 8 C 42 8 F 6 C 0 4 F 18 C 4 F 20 C On Off On Off Fan DIP SW101 3 On DIP SW101 3 Off NOTE In following operations compres...

Страница 47: ...red Forced thermostat off Indoor unit fan setting for external heater Disabled Temperature of heater on Thon Adjustable by function number 62 Operating temperature switching of external heaters All co...

Страница 48: ...p On Off Outdoor temperature Factory setting Outdoor temperature zone 46 4 F 8 C 42 8 F 6 C 0 4 F 18 C 4 F 20 C On Off On Off Fan DIP SW101 3 On DIP SW101 3 Off NOTE In following operations compressor...

Страница 49: ...e of heater on Thon Set temperature Ts 0 9 F 0 5 C Temperature of heater off Set temperature Ts 0 9 F 0 5 C Tr Room temperature Ts Set temperature Thon Heater on temperature Off On Tr Ts Tr Ts Thon 0...

Страница 50: ...d Temperature of heater on Thon Set temperature Ts 0 9 F 0 5 C Temperature of heater off Set temperature Ts 0 9 F 0 5 C Tr Room temperature Ts Set temperature Thon Heater on temperature Off On Tr Ts...

Страница 51: ...ne Heat pump prohibition zone Combination zone The outdoor temperature zone transition from one to another will stay in that zone for minimum of 30 min 46 4 F 8 C 42 8 F 6 C 0 4 F 18 C 4 F 20 C On Off...

Страница 52: ...ed Temperature of heater on Thon Set temperature Ts 0 9 F 0 5 C Temperature of heater off Set temperature Ts 0 9 F 0 5 C Tr Room temperature Ts Set temperature Thon Heater on temperature Off On Tr Ts...

Страница 53: ...um of 30 min Combination zone Heat pump prohibition zone On 12 V Off 0 V Heater Comp On Off Outdoor temperature Factory setting Outdoor temperature zone 46 4 F 8 C 42 8 F 6 C 0 4 F 18 C 4 F 20 C On Of...

Страница 54: ...ed Temperature of heater on Thon Set temperature Ts 0 9 F 0 5 C Temperature of heater off Set temperature Ts 0 9 F 0 5 C Tr Room temperature Ts Set temperature Thon Heater on temperature Off On Tr Ts...

Страница 55: ...setting Outdoor temperature zone The outdoor temperature zone transition from one to another will stay in that zone for minimum of 30 min 46 4 F 8 C 42 8 F 6 C 0 4 F 18 C 4 F 20 C Combination zone Hea...

Страница 56: ...ction External output Heating thermostat on Humidifier Operation status The heating thermostat output for CN47 Output1 Output2 and Output3 will be on when comp on or external heater on The heating the...

Страница 57: ...tch101 1 Setting change prohibited 2 Setting change prohibited 3 Fan delay setting Component location Components on the indoor unit main PCB used for the function settings are located as shown in the...

Страница 58: ...switching 6 43 Cold air prevention 7 46 External input control 8 48 Room temperature sensor switching Aux 9 49 Indoor unit fan control for energy saving for cooling 10 60 Switching functions for exte...

Страница 59: ...temp will be 80 F 78 F 2 F The temperature correction values show the difference from the Standard setting 00 manufactur er s recommended value Function number Setting value Setting description Facto...

Страница 60: ...6 F 3 0 C 16 7 F 3 5 C 17 8 F 4 0 C 4 Auto restart Enables or disables automatic restart after a power interruption Function number Setting value Setting description Factory setting 40 00 Enable 01 D...

Страница 61: ...g value Setting description Factory setting 48 00 Both 01 Wired remote controller 9 Indoor unit fan control for energy saving for cooling Enables or disables the power saving function by controlling t...

Страница 62: ...to External heater output in Chapter 7 4 Details of function on page 28 Function number Setting value Setting description Factory setting 61 00 Auxiliary heater control 1 01 Auxiliary heater control 2...

Страница 63: ...F 4 C 0 9 F 0 5 C 7 2 F 4 C 0 F 0 C 11 9 0 F 5 C 0 9 F 0 5 C 9 0 F 5 C 0 F 0 C 12 5 4 F 3 C 0 F 0 C 0 9 F 0 5 C 0 9 F 0 5 C 13 3 6 F 2 C 0 F 0 C 1 8 F 1 C 0 9 F 0 5 C 14 3 6 F 2 C 0 F 0 C 3 6 F 2 C 0...

Страница 64: ...il the auxiliary equipment operation starts during primary equipment opera tion For details refer to Chapter 7 4 Details of function on page 28 Function number Setting value Setting description Factor...

Страница 65: ...ed Function number Setting value Setting description Factory setting Cooling setting Heating setting 92 00 Standard no change Standard no change 01 Standard no change 10 up 02 Standard no change 10 do...

Страница 66: ...large 4 Installation manual indoor unit 1 Cable tie medium 1 Rail 2 Cable tie small 1 Duct flanges 2 Drain hose insulation 1 Drain cap 2 Coupler heat insulation large 1 Screw 16 Coupler heat insulati...

Страница 67: ...Wire type Non polar 2 wire Simple remote controller RXRSRY Compact remote controller concentrates on the basic functions such as Start Stop fan control temperature setting and operation mode Wire type...

Страница 68: ...t External input and output PCB RXXCSX Use to connect with external devices and air conditioner PCB External input and output PCB box RXGXRA For installing the External input and output PCB Wire kit R...

Страница 69: ...Part 2 OUTDOOR UNIT SINGLE TYPE RP1724HJVXA RP1730HJVXA RP1736HJVXA RP1748HJVXA...

Страница 70: ...ht Net lb kg 134 61 Gross 152 69 Connection pipe Size Liquid in mm 3 8 9 52 Gas 5 8 15 88 Method Flare Pre charge length ft m 66 20 Max length 164 50 Max height difference 98 30 Operation range Coolin...

Страница 71: ...et lb kg 198 90 Gross 220 100 Connection pipe Size Liquid in mm 3 8 9 52 Gas 5 8 15 88 Method Flare Pre charge length ft m 98 30 Max length 230 70 Max height difference 98 30 Operation range Cooling F...

Страница 72: ...view Bottom view 3 77 35 7 16 900 32 11 16 830 17 3 8 440 7 8 21 15 3 4 400 13 330 7 3 4 196 5 3 4 147 6 3 4 170 14 5 8 370 25 5 8 650 Airflow 1 1 4 31 1 2 12 3 7 8 99 3 8 9 68 2 1 Models RP1724HJVXA...

Страница 73: ...ort 7 8 22 2 Cable port 11 279 11 11 16 297 20 14 16 530 Treminal blocks 3 Way valve Liquid 3 Way valve Gas Liquid valve Gas valve 7 8 22 2 Cable port 6 2 16 156 4 8 16 115 2 13 16 72 14 16 23 1 15 16...

Страница 74: ...100 or more When there are obstacles at the front only When there are obstacles at the front and rear 24 600 or more 24 600 or more 4 100 or more When there is an obstruction in the upper space Unit...

Страница 75: ...more When there are obstacles at the front and rear 20 500 or more 60 1 500 or more 10 250 or more When there is an obstruction in the upper space Unit in mm When there are obstacles at the rear and a...

Страница 76: ...TION Do not install the outdoor unit in two stage where the drain water could freeze Otherwise the drainage from the upper unit may form ice and cause a malfunction of the lower unit When the outdoor...

Страница 77: ...he unit in a location with sufficient space for the refrigerant piping Observe the installation space specifications that are shown in the figures Provide the same space for the air intake at the rear...

Страница 78: ...bstacles at the front only When there are obstacles at the front and rear 40 1000 or more 40 1000 or more 6 150 or more When there is an obstruction in the upper space Unit in mm When there are obstac...

Страница 79: ...obstruction is present also in the upward area When the upper space is open Unit in mm When there are obstacles at the rear only When there are obstacles at the front only 12 300 or more 60 1500 or m...

Страница 80: ...more 119 3000 or more NOTES If the space is larger than stated above the condition will be the same as when there is no ob stacle Height above the floor level should be 2 in 50 mm or more When install...

Страница 81: ...ThHO ThC Thermistor Compressor temperature Thermistor Discharge temperature Thermistor Outdoor temperature Thermistor Condenser coil Out temperature ThD ThO ThHO Thermistor Room temperature Thermisto...

Страница 82: ...temperature Thermistor Condenser coil Out temperature Thermistor Room temperature Thermistor Evaporator coil Med temperature Thermistor Shell Thermistor Discharge temperature thermistor TH2 Accumulato...

Страница 83: ...5 Wiring diagrams 5 1 Models RP1724HJVXA and RP1730HJVXA 79 5 1 Models RP1724HJVXA and RP1730HJVXA 5 Wiring diagrams OUTDOOR UNIT RP1724 1748HJVXA OUTDOOR UNIT RP1724 1748HJVXA...

Страница 84: ...5 2 Models RP1736HJVXA and RP1748HJVXA 80 5 2 Models RP1736HJVXA and RP1748HJVXA 5 Wiring diagrams OUTDOOR UNIT RP1724 1748HJVXA OUTDOOR UNIT RP1724 1748HJVXA...

Страница 85: ...er than outdoor unit 2 5 16 1 000 1 000 0 989 0 972 0 960 0 945 0 926 7 5 24 1 000 0 989 0 972 0 960 0 945 0 926 10 32 0 989 0 972 0 960 0 945 0 926 20 65 0 972 0 960 0 945 0 926 30 98 0 960 0 945 0 9...

Страница 86: ...65 0 957 0 915 0 872 0 830 0 784 0 741 30 98 0 915 0 872 0 830 0 784 0 741 HEATING Pipe length m 5 7 5 10 20 30 40 50 60 70 ft 16 24 32 65 98 131 164 196 229 Height difference H Indoor unit is higher...

Страница 87: ...e oz 0 14 1 28 2 42 3 g 0 400 800 1 200 7 2 Models RP1736HJVXA and RP1748HJVXA Refrigerant type R410A Refrigerant amount lb oz 9 lb 8 oz g 4 300 Refrigerant charge Total pipe length ft 98 or less 131...

Страница 88: ...M 2 119 8 2 Model RP1730HJVXA Cooling m3 h 3 600 l s 1 000 CFM 2 119 Heating m3 h 3 600 l s 1 000 CFM 2 119 8 3 Model RP1736HJVXA Cooling m3 h 4 400 l s 1 222 CFM 2 590 Heating m3 h 4 400 l s 1 222 CF...

Страница 89: ...8 4 Model RP1748HJVXA Cooling m3 h 4 400 l s 1 222 CFM 2 590 Heating m3 h 4 400 l s 1 222 CFM 2 590 85 8 4 Model RP1748HJVXA 8 Airflow OUTDOOR UNIT RP1724 1748HJVXA OUTDOOR UNIT RP1724 1748HJVXA...

Страница 90: ...z NC 65 NC 60 NC 55 NC 50 NC 45 NC 40 NC 35 NC 30 NC 25 NC 20 NC 15 Model RP1730HJVXA Cooling NC 65 NC 60 NC 55 NC 50 NC 45 NC 40 NC 35 NC 30 NC 25 NC 20 NC 15 Octave band sound pressure level dB 0 dB...

Страница 91: ...0 63 125 250 500 1 000 2 000 4 000 8 000 Model RP1748HJVXA Cooling NC 65 NC 60 NC 55 NC 50 NC 45 NC 40 NC 35 NC 30 NC 25 NC 20 NC 15 Octave band sound pressure level dB 0 dB 0 0002 bar Octave band ce...

Страница 92: ...ear Airflow Rear view Side view NOTE Detailed shape of the actual outdoor unit might be slightly different from the one illustrated above 88 9 2 Sound level check point 9 Operation noise sound pressur...

Страница 93: ...Wiring spec 2 MAX CKT BKR 3 A 40 Power cable AWG 8 Connection cable 4 Size AWG 14 Limited wiring length ft m 246 71 1 Minimum Circuit Ampacity Calculation based on UL1995 2 Selected sample based on J...

Страница 94: ...tion Pressure switch Activate 4 2 0 1 MPa Compressor stop Reset 3 2 0 15 MPa Compressor restart Type of protection Protection form Model RP1736HJVXA RP1748HJVXA Fuse Filter PCB AC 250 V 5 A AC 250 V 1...

Страница 95: ...settings Otherwise the compressor may fail Discharge any static electricity from your body before touching the push switches Never touch any terminal or pattern of any parts on the control board The p...

Страница 96: ...switches and push switches on the board of the outdoor unit The printed characters for the LED display are shown below DIP switch part ON 1 2 3 4 ON 1 2 3 4 ON 1 2 3 4 PUMP DOWN 1 W S TEST RUN SET1 S...

Страница 97: ...selecting cooling or heating during test operation OFF SET1 2 DIP For switching SW1 operation OFF SET1 3 DIP Prohibited OFF Do not change SET1 4 DIP Prohibited OFF Do not change SET2 1 DIP For selecti...

Страница 98: ...ction SET2 1 Setting Factory setting ON Lower OFF Low CAUTION When the low noise operation function is working cooling and heating capacity will de crease When changing the settings explain to the cus...

Страница 99: ...turn off the breaker before changing the DIP switch settings 1 Check the 3 way valves both at the liquid side and gas side are opened Confirm that the DIP switch SET1 2 is switched off 2 Set the opera...

Страница 100: ...atus 5 Press TEST RUN switch for more than 3 seconds F E D C MONITOR ERROR B A POWER MODE POWER MODE LED will turn on and test run stops 96 13 1 Test run 13 Test OUTDOOR UNIT RP1724 1748HJVXA OUTDOOR...

Страница 101: ...R ERROR B A POWER MODE blink High speed Error location display LEDs A to F of MONITOR light up and display the error location In the case of an overall error LEDs A to F of MONITOR do not light up Exa...

Страница 102: ...ERROR B A POWER MODE A 10 1 Blink High speed 9 blink F 1 2 3 4 5 6 7 8 9 A C F J P U E D C For MONITOR A and B Display mode LED on LED off Blink 0 5s Light on 0 5s Light off Number of blinking A 10 Bl...

Страница 103: ...or 73 3 Condenser coil liquid temp sensor error 74 1 Outdoor temp sensor error 75 1 Suction gas temp sensor error 76 1 Valve sensor error 76 2 77 1 Heat sink temp sensor error 84 1 Current sensor 1 er...

Страница 104: ...ected on the breaker is turned off when changing the DIP switch 1 DIP switch SET1 2 ON 1 2 3 4 SET1 3 To start operation press the PUMP DOWN switch 2 for 3 seconds or press after the power has been on...

Страница 105: ...from step 3 F E D C MONITOR ERROR B A POWER MODE 3 blink blink High speed In order to interrupt the pump down operation press the PUMP DOWN switch again The LED will return to the original display be...

Страница 106: ...Installation manual 1 Drain cap 5 Drain pipe 1 14 2 Models RP1736HJVXA and RP1748HJVXA Part name Exterior Q ty Part name Exterior Q ty Installation manual 1 Drain cap 7 Drain pipe 1 102 14 1 Models R...

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