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8-25

CONTROL SYSTEM

Revision Y05-01

Service Manual - DNC Series

1. The ICT is also monitored during Cool and Dry mode, in case

the RV control circuit is faulty. Whenever ICT reaches 70

which indicates a high pressure in the indoor coil, the COMP
will be forced off automatically. The COMP can be turned on
again only after the ICT is under 70

c again and after the 3 min

COMP ON delay time. The OPER LED will not blink in this
case.

7.2. Heating

Mode

Protections

7.2.1. Outdoor coil Deicing (excluding RH Group)

Mode: Heating, Auto (at heating)
Temp: Selected desired Temp
Fan: Any
Timer: Any
I FEEL:

Any

Control function

Protects the Outdoor coil from ice formation by controlling COMP &
RV operation.

7.2.1.2 Deicing procedure

Содержание DNC series

Страница 1: ...C series REFRIGERANT R22 R4O7C HEAT PUMP COOLING ONLY JULY 2005 Service Manual Indoor Units Outdoor Units DNC 35 955 OU8 33 R22 R407C DNC 38 1155 OU10 38 R22 R407C DNC 44 1255 OU10 44 R22 OU10 50 R407...

Страница 2: ...hapters Dates of issue for original and changed pages are Original 0 July 2005 Total number of pages in this publication is 139 consisting of the following Page No Revision No Page No Revision No Page...

Страница 3: ...ntents 1 FEATURES 1 1 2 PRODUCT DATA SHEET 2 1 3 RATING CONDITIONS 3 1 4 OUTLINE DIMENSIONS 4 1 5 PERFORMANCE DATA PRESSURE CURVES 5 1 6 REFRIGERATION DIAGRAMS 6 1 7 WIRING DIAGRAMS 7 1 8 CONTROL SYST...

Страница 4: ...r coil reaches adequate temperature This HOT KEEP feature prevents uncomfortable cold air drafts AUTO FAN Is therefore recommended to be used when the air conditioner is in HEATING mode HOT KEEP Switc...

Страница 5: ...user from the display panel BUZZER The air conditioner can be turned ON for COOLING or HEATING or be turned OFF directly from the indoor unit display panel without the use of the remote control ON UNI...

Страница 6: ...x975x360 Unit 1180x870x180 Frame mm Package dimensions I N D O O R U N I T 7 units Stacking height 7 units Units per palet Capillary Tube Refrigerant control SCROLL LG SQ040PA Compressor type model Ax...

Страница 7: ...870x180 Frame mm Package dimensions I N D O O R U N I T 7 units Stacking height 7 units Units per palet Capillary Tube Refrigerant control SCROLL LG SQ040YA Compressor type model Axial Fan type qty 85...

Страница 8: ...it 1180x870x180 Frame mm Package dimensions I N D O O R U N I T 7 units Stacking height 7 units Units per palet Capillary Tube Refrigerant control SCROLL HQ040PA Compressor type model Axial Fan type q...

Страница 9: ...0x870x180 Frame mm Package dimensions I N D O O R U N I T 7 units Stacking height 7 units Units per palet Capillary Tube Refrigerant control SCROLL HQ040Y Compressor type model Axial Fan type qty 850...

Страница 10: ...80x870x180 Frame mm Package dimensions 7 units Stacking height 7 units Units per palet I N D O O R U N I T Capillary Tube Refrigerant control SCROLL ZR47K3 PFJ Compressor type model Axialx2 Fan type q...

Страница 11: ...Unit 1180x870x180 Frame mm Package dimensions 7 units Stacking height 7 units Units per palet I N D O O R U N I T Capillary Tube Refrigerant control SCROLL ZR45KC TDF Compressor type model Axialx2 Fa...

Страница 12: ...80x870x180 Frame mm Package dimensions 7 units Stacking height 7 units Units per palet I N D O O R U N I T Capillary Tube Refrigerant control SCROLL ZR47KCE PFJ Compressor type model Axialx2 Fan type...

Страница 13: ...nit 1180x870x180 Frame mm Package dimensions 7 units Stacking height 7 units Units per palet I N D O O R U N I T Capillary Tube Refrigerant control SCROLL ZR47K3E TDF Compressor type model Axialx2 Fan...

Страница 14: ...Unit 1180x870x180 Frame mm Package dimensions 7 units Stacking height 7 units Units per palet I N D O O R U N I T Capillary Tube Refrigerant control SCROLL ZR54 Compressor type model Axial x 2 Fan ty...

Страница 15: ...x360 Unit 1180x870x180 Frame mm Package dimensions 7 units Stacking height 7 units Units per palet I N D O O R U N I T Capillary Tube Refrigerant control SCROLL HR61YA Compressor type model Axial x 2...

Страница 16: ...tdoor 35 C 95 F DB Heating indoor 20 C 68 F DB Outdoor 7 C 45 F DB 6 C 43 F WB Refrigerant tubing length one way 7 5m 24 6 ft 2 Guaranteed operating range Indoor Outdoor Upper limit 32 C DB 23 C WB 46...

Страница 17: ...4 1 OUTLINE DIMENSIONS Revision Y05 01 Service Manual DNC Series 4 OUTLINE DIMENSIONS 4 1 Indoor Unit DNC 35 955 4 2 Indoor Unit DNC 38 1155 DNC 44 1255...

Страница 18: ...4 2 OUTLINE DIMENSIONS Revision Y05 01 Service Manual DNC Series 4 3 Outdoor Unit OU8 33 4 4 Outdoor Unit OU10 38 OU10 44 OU10 50...

Страница 19: ...9 000 10 000 11 000 12 000 13 000 10 15 20 25 30 35 40 45 Outdoor Temp C DB CAPACITY W 30 C DB 50 RH 27 C DB 50 RH 23 C DB 50 RH Indoor Temp DNC 955T R22 HEATING CAPACITY 6 000 7 000 8 000 9 000 10 0...

Страница 20: ...2 000 2 500 3 000 3 500 4 000 4 500 10 15 20 25 30 35 40 45 Outdoor Temp C DB TOTAL INPUT W 30 C DB 50 RH 27 C DB 50 RH 23 C WB 50 RH Indoor Temp DNC 955T R22 HEATING TOTAL INPUT 1 500 1 700 1 900 2...

Страница 21: ...4 5 5 0 5 5 6 0 6 5 10 15 20 25 30 35 40 45 Outdoor Temp C DB SUCTION PRESSURE Bar g 30 C DB 50 RH 27 C DB 50 RH 23 C DB 50 RH Indoor Temp DNC 955 R22 COOLING DISCHARGE PRESSURE 5 0 10 0 15 0 20 0 25...

Страница 22: ...CTION PRESSURE 2 00 2 50 3 00 3 50 4 00 4 50 5 00 5 0 5 10 15 Outdoor Temp C DB SUCTION PRESSURE Bar g 20 C DB 18 C DB 15 C DB Indoor Temp DNC 955 R22 HEATING DISCHARGE PRESSURE 10 11 12 13 14 15 16 1...

Страница 23: ...PACITY 7 000 8 000 9 000 10 000 11 000 12 000 13 000 10 15 20 25 30 35 40 45 Outdoor Temp C DB CAPACITY W 30 C DB 50 RH 27 C DB 50 RH 23 C DB 50 RH Indoor Temp DNC 955T R22 HEATING CAPACITY 6 000 7 00...

Страница 24: ...2 000 2 500 3 000 3 500 4 000 4 500 10 15 20 25 30 35 40 45 Outdoor Temp C DB TOTAL INPUT W 30 C DB 50 RH 27 C DB 50 RH 23 C WB 50 RH Indoor Temp DNC 955T R22 HEATING TOTAL INPUT 1 500 1 700 1 900 2...

Страница 25: ...4 5 5 0 5 5 6 0 6 5 10 15 20 25 30 35 40 45 Outdoor Temp C DB SUCTION PRESSURE Bar g 30 C DB 50 RH 27 C DB 50 RH 23 C DB 50 RH Indoor Temp DNC 955T R22 COOLING DISCHARGE PRESSURE 5 0 10 0 15 0 20 0 25...

Страница 26: ...CTION PRESSURE 2 00 2 50 3 00 3 50 4 00 4 50 5 00 5 0 5 10 15 Outdoor Temp C DB SUCTION PRESSURE Bar g 20 C DB 18 C DB 15 C DB Indoor Temp DNC 955T R22 HEATING DISCHARGE PRESSURE 10 11 12 13 14 15 16...

Страница 27: ...ITY 7 000 8 000 9 000 10 000 11 000 12 000 13 000 10 15 20 25 30 35 40 45 Outdoor Temp C DB CAPACITY W 30 C DB 50 RH 27 C DB 50 RH 23 C DB 50 RH Indoor Temp DNC 955 R407C HEATING CAPACITY 5 500 6 500...

Страница 28: ...L INPUT 1 500 2 000 2 500 3 000 3 500 4 000 4 500 10 15 20 25 30 35 40 45 Outdoor Temp C DB TOTAL INPUT W 30 C DB 50 RH 27 C DB 50 RH 23 C WB 50 RH Indoor Temp DNC 955 R407C HEATING TOTAL INPUT 1 500...

Страница 29: ...5 5 0 5 5 6 0 6 5 10 15 20 25 30 35 40 45 Outdoor Temp C DB SUCTION PRESSURE Bar g 30 C DB 50 RH 27 C DB 50 RH 23 C DB 50 RH Indoor Temp DNC 955 R407C COOLING DISCHARGE PRESSURE 5 0 10 0 15 0 20 0 25...

Страница 30: ...SURE 1 00 1 50 2 00 2 50 3 00 3 50 4 00 4 50 5 00 5 50 6 00 5 0 5 10 15 Outdoor Temp C DB SUCTION PRESSURE Bar g 20 C DB 18 C DB 15 C DB Indoor Temp DNC 955 R407C HEATING DISCHARGE PRESSURE 12 13 14 1...

Страница 31: ...G CAPACITY 7 000 8 000 9 000 10 000 11 000 12 000 13 000 10 15 20 25 30 35 40 45 Outdoor Temp C DB CAPACITY W 30 C DB 50 RH 27 C DB 50 RH 23 C DB 50 RH Indoor Temp DNC 955T R407C HEATING CAPACITY 5 50...

Страница 32: ...L INPUT 1 500 2 000 2 500 3 000 3 500 4 000 4 500 10 15 20 25 30 35 40 45 Outdoor Temp C DB TOTAL INPUT W 30 C DB 50 RH 27 C DB 50 RH 23 C WB 50 RH Indoor Temp DNC 955T R407C HEATING TOTAL INPUT 1 500...

Страница 33: ...0 4 5 5 0 5 5 6 0 10 15 20 25 30 35 40 45 Outdoor Temp C DB SUCTION PRESSURE Bar g 30 C DB 50 RH 27 C DB 50 RH 23 C DB 50 RH Indoor Temp DNC 955T R407C COOLING DISCHARGE PRESSURE 5 0 10 0 15 0 20 0 2...

Страница 34: ...SURE 1 00 1 50 2 00 2 50 3 00 3 50 4 00 4 50 5 00 5 50 6 00 5 0 5 10 15 Outdoor Temp C DB SUCTION PRESSURE Bar g 20 C DB 18 C DB 15 C DB Indoor Temp DNC 955T R407C HEATING DISCHARGE PRESSURE 12 13 14...

Страница 35: ...10 000 11 000 12 000 13 000 14 000 15 000 16 000 10 15 20 25 30 35 40 45 Outdoor Temp C DB CAPACITY W 30 C DB 50 RH 26 C DB 50 RH 23 C DB 50 RH Indoor Temp DNC 1155 R22 HEATING CAPACITY 6 000 7 000 8...

Страница 36: ...500 2 000 2 500 3 000 3 500 4 000 4 500 5 000 10 15 20 25 30 35 40 45 Outdoor Temp C DB TOTAL INPUT W 30 C DB 50 RH 26 C DB 50 RH 23 C DB 50 RH Indoor Temp DNC 1155 R22 HEATING TOTAL INPUT 1 500 2 00...

Страница 37: ...0 4 5 5 0 5 5 6 0 10 15 20 25 30 35 40 45 Outdoor Temp C DB SUCTION PRESSURE Bar g 30 C DB 50 RH 26 C DB 50 RH 23 C DB 50 RH Indoor Temp DNC 1155 R22 COOLING DISCHARGE PRESSURE 5 0 10 0 15 0 20 0 25...

Страница 38: ...ING SUCTION PRESSURE 2 0 2 5 3 0 3 5 4 0 4 5 5 0 5 0 5 10 15 Outdoor Temp C DB SUCTION PRESSURE Bar g 20 C DB 18 C DB 15 C DB Indoor Temp DNC 1155 R22 HEATING DISCHARGE PRESSURE 10 11 12 13 14 15 16 1...

Страница 39: ...10 000 11 000 12 000 13 000 14 000 15 000 16 000 10 15 20 25 30 35 40 45 Outdoor Temp C DB CAPACITY W 30 C DB 50 RH 26 C DB 50 RH 23 C DB 50 RH Indoor Temp DNC 1155T R22 HEATING CAPACITY 6 000 7 000...

Страница 40: ...NPUT 1 500 2 000 2 500 3 000 3 500 4 000 4 500 5 000 10 15 20 25 30 35 40 45 Outdoor Temp C DB TOTAL INPUT W 30 C DB 50 RH 26 C DB 50 RH 23 C DB 50 RH Indoor Temp DNC 1155T R22 HEATING TOTAL INPUT 1 5...

Страница 41: ...4 5 5 0 5 5 6 0 6 5 10 15 20 25 30 35 40 45 Outdoor Temp C DB SUCTION PRESSURE Bar g 30 C DB 50 RH 26 C DB 50 RH 23 C DB 50 RH Indoor Temp DNC 1155T R22 COOLING DISCHARGE PRESSURE 5 0 10 0 15 0 20 0...

Страница 42: ...G SUCTION PRESSURE 2 0 2 5 3 0 3 5 4 0 4 5 5 0 5 0 5 10 15 Outdoor Temp C DB SUCTION PRESSURE Bar g 20 C DB 18 C DB 15 C DB Indoor Temp DNC 1155T R22 HEATING DISCHARGE PRESSURE 10 11 12 13 14 15 16 17...

Страница 43: ...0 9 000 10 000 11 000 12 000 13 000 14 000 10 15 20 25 30 35 40 45 Outdoor Temp C DB CAPACITY W 30 C DB 50 RH 27 C DB 50 RH 23 C DB 50 RH Indoor Temp DNC 1155 R407C HEATING CAPACITY 6 000 7 000 8 000...

Страница 44: ...L INPUT 1 500 2 000 2 500 3 000 3 500 4 000 4 500 5 000 10 15 20 25 30 35 40 45 Outdoor Temp C DB TOTAL INPUT W 30 C DB 50 RH 27 C DB 50 RH 23 C WB 50 RH Indoor Temp DNC 1155 R407C HEATING TOTAL INPUT...

Страница 45: ...4 0 4 5 5 0 5 5 10 15 20 25 30 35 40 45 Outdoor Temp C DB SUCTION PRESSURE Bar g 30 C DB 50 RH 27 C DB 50 RH 23 C DB 50 RH Indoor Temp DNC 1155 R407C COOLING DISCHARGE PRESSURE 5 0 10 0 15 0 20 0 25...

Страница 46: ...ESSURE 1 00 1 50 2 00 2 50 3 00 3 50 4 00 4 50 5 00 5 50 6 00 5 0 5 10 15 Outdoor Temp C DB SUCTION PRESSURE Bar g 20 C DB 18 C DB 15 C DB Indoor Temp DNC 1155 R407C HEATING DISCHARGE PRESSURE 13 14 1...

Страница 47: ...00 9 000 10 000 11 000 12 000 13 000 10 15 20 25 30 35 40 45 Outdoor Temp C DB CAPACITY W 30 C DB 50 RH 27 C DB 50 RH 23 C DB 50 RH Indoor Temp DNC 1155T R407C HEATING CAPACITY 6 000 7 000 8 000 9 000...

Страница 48: ...L INPUT 1 500 2 000 2 500 3 000 3 500 4 000 4 500 5 000 10 15 20 25 30 35 40 45 Outdoor Temp C DB TOTAL INPUT W 30 C DB 50 RH 27 C DB 50 RH 23 C WB 50 RH Indoor Temp DNC 1155T R407C HEATING TOTAL INPU...

Страница 49: ...0 4 5 5 0 5 5 6 0 10 15 20 25 30 35 40 45 Outdoor Temp C DB SUCTION PRESSURE Bar g 30 C DB 50 RH 27 C DB 50 RH 23 C DB 50 RH Indoor Temp DNC 1155T R407C COOLING DISCHARGE PRESSURE 5 0 10 0 15 0 20 0...

Страница 50: ...SURE 1 00 1 50 2 00 2 50 3 00 3 50 4 00 4 50 5 00 5 50 6 00 5 0 5 10 15 Outdoor Temp C DB SUCTION PRESSURE Bar g 20 C DB 18 C DB 15 C DB Indoor Temp DNC 1155T R407C HEATING DISCHARGE PRESSURE 14 15 16...

Страница 51: ...000 14 000 15 000 16 000 17 000 18 000 19 000 20 000 10 15 20 25 30 35 40 45 Outdoor Temp C DB CAPACITY W 30 C DB 50 RH 26 C DB 50 RH 23 C DB 50 RH Indoor Temp DNC 1255 HEATING CAPACITY 8 000 9 000 1...

Страница 52: ...T 1 500 2 000 2 500 3 000 3 500 4 000 4 500 5 000 5 500 10 15 20 25 30 35 40 45 Outdoor Temp C DB TOTAL INPUT W 30 C DB 50 RH 26 C DB 50 RH 23 C DB 50 RH Indoor Temp DNC 1255 HEATING TOTAL INPUT 1 500...

Страница 53: ...5 6 0 10 15 20 25 30 35 40 45 Outdoor Temp C DB SUCTION PRESSURE Bar g 30 C DB 50 RH 26 C DB 50 RH 23 C DB 50 RH Indoor Temp DNC 1255 COOLING DISCHARGE PRESSURE 5 0 7 0 9 0 11 0 13 0 15 0 17 0 19 0 2...

Страница 54: ...G SUCTION PRESSURE 2 0 2 5 3 0 3 5 4 0 4 5 5 0 5 0 5 10 15 Outdoor Temp C DB SUCTION PRESSURE Bar g 20 C DB 18 C DB 15 C DB Indoor Temp DNC 1255 HEATING DISCHARGE PRESSURE 10 11 12 13 14 15 16 17 18 1...

Страница 55: ...000 11 000 12 000 13 000 14 000 15 000 16 000 17 000 10 15 20 25 30 35 40 45 Outdoor Temp C DB CAPACITY W 30 C DB 50 RH 27 C DB 50 RH 23 C DB 50 RH Indoor Temp DNC 1255 R407C HEATING CAPACITY 6 000 8...

Страница 56: ...NPUT 1 500 2 000 2 500 3 000 3 500 4 000 4 500 5 000 5 500 10 15 20 25 30 35 40 45 Outdoor Temp C DB TOTAL INPUT W 30 C DB 50 RH 27 C DB 50 RH 23 C WB 50 RH Indoor Temp DNC 1255 R407C HEATING TOTAL IN...

Страница 57: ...4 0 4 5 5 0 5 5 10 15 20 25 30 35 40 45 Outdoor Temp C DB SUCTION PRESSURE Bar g 30 C DB 50 RH 27 C DB 50 RH 23 C DB 50 RH Indoor Temp DNC 1255 R407C COOLING DISCHARGE PRESSURE 5 0 10 0 15 0 20 0 25...

Страница 58: ...ION PRESSURE 1 00 1 50 2 00 2 50 3 00 3 50 4 00 4 50 5 00 5 50 6 00 5 0 5 10 15 Outdoor Temp C DB SUCTION PRESSURE Bar g 20 C DB 18 C DB 15 C DB Indoor Temp DNC 1255 R407C HEATING DISCHARGE PRESSURE 1...

Страница 59: ...m Resistance Min System Resistance Max System Resistance Curve s colors according to fan motor wires colors Point for Performance test DNC 1155 DNC 955 0 00 20 00 40 00 60 00 80 00 100 00 120 00 0 250...

Страница 60: ...6 1 REFRIGERATION DIAGRAMS Revision Y05 01 Service Manual DNC Series 6 REFRIGERATION DIAGRAMS 6 1 Heat Pump Models 6 1 1 DNC 35 R22 R407C...

Страница 61: ...6 2 REFRIGERATION DIAGRAMS Revision Y05 01 Service Manual DNC Series 6 2 Heat Pump Models 6 2 1 DNC 38 44 R22 R407C...

Страница 62: ...6 3 REFRIGERATION DIAGRAMS Revision Y05 01 Service Manual DNC Series 6 3 1 ADDITIONAL REFRIGERANT CHARGE R22...

Страница 63: ...7 1 WIRING DIAGRAMS Revision Y05 01 Service Manual DNC Series 7 WIRING DIAGRAMS 7 1 Model DNC 35 1PH 7 1 1 Indoor Unit 7 1 2 Outdoor Unit...

Страница 64: ...7 2 WIRING DIAGRAMS Revision Y05 01 Service Manual DNC Series 7 2 Model DNC 35 3PH7 7 2 1 Indoor Unit 7 2 2 Outdoor Unit...

Страница 65: ...7 3 WIRING DIAGRAMS Revision Y05 01 Service Manual DNC Series 7 3 Model DNC 38 1PH 7 3 1 Indoor Unit 7 3 2 Outdoor Unit...

Страница 66: ...7 4 WIRING DIAGRAMS Revision Y05 01 Service Manual DNC Series 7 4 Model DNC 38 3PH 7 4 1 Indoor Unit 7 4 2 Outdoor Unit OU8 30 3PH...

Страница 67: ...7 5 WIRING DIAGRAMS Revision Y05 01 Service Manual DNC Series 7 5 Model DNC 44 3PH 7 5 1 Indoor Unit 7 5 2 Outdoor Unit...

Страница 68: ...pump Cooling and Heating by heat pump and supplementary heater 2 SH group 3 RH group Cooling and Heating by heaters only Before installation be sure that you select and set for the right group PACKAGE...

Страница 69: ...8 2 CONTROL SYSTEM Revision Y05 01 Service Manual DNC Series POWER CONTROLLER...

Страница 70: ...8 3 CONTROL SYSTEM Revision Y05 01 Service Manual DNC Series GANG BOARD DISPLAY BOARD...

Страница 71: ...IN C DEGREES _ OFF _ _ HORIZONTAL VERTICAL SWING FUNCTIONS TOGETHER TEMP DISPLAY IN F DEGREES _ ON _ _ DISABLE LCD KEY ILLUMINATION TIMER CLOCK 12 H AM PM OFF _ _ _ ENABLE LCD KEY ILLUMINATION TIMER...

Страница 72: ...High Water Level LEVEL4 Overflow Level Max Maximum Min Minimum min Minute time NA Not Applicable OCP Outdoor Condensation Pump OCT Outdoor Coil Temperature RT3 sensor OF OFAN Outdoor Fan OPER Operate...

Страница 73: ...t in Low speed for 25 sec and then will go to ANY speed 2 2 2 Min time interval between IFAN speed change in AUTOFAN Mode is 30 sec 2 2 3 Min time interval between IFAN speed change in H M L Mode is 1...

Страница 74: ...hermistor faults a Thermistor is disconnected The thermistor reading is below 30o c b Thermistor is shorted The thermistor reading is over 75o c c Thermistor Temp reading doesn t change irrelevant for...

Страница 75: ...henever the unit is changed from Cool Dry STBY mode to Heat mode or vice versa the procedures below are followed Stop COMP for 3 min Change RV state Start COMP if necessary 3 1 Cooling Mode Cool Auto...

Страница 76: ...gh Medium or Low speed selected by user 2 In IFEEL mode the Room Temperature RT is the RCT from a R C Otherwise the RT is the RAT from the Room Thermistor 3 2 Cooling with Autofan Mode Cool Auto at co...

Страница 77: ...8 10 CONTROL SYSTEM Revision Y05 01 Service Manual DNC Series RT SPT o c 3 2 1 0 1 2 ON OFF ON OFF H L M ON OFF COMP WVL OFAN IFAN RV Note Refer to Sect 2 3 for IFAN operations in Autofan mode...

Страница 78: ...d 4 after the COMP is switched ON In this case the IFAN will be started at low speed 5 The default IFTC values are 0 sec for EMD ELD models 15 sec for WMN4 RWK FCX models 600 sec for WVL including IFC...

Страница 79: ...0 4 HE operation a For all Groups HE can be ON only when IFAN is ON b For all Groups HE switches to OFF when ICT 50 o c and is activated again when ICT 45o c c In RH group HE operation is according t...

Страница 80: ...ected desired temperature Fan HIGH MED LOW Timer Any I Feel On or Off Control function Maintains room temp at desired level by comparing RAT or RCT to SPT RT SPT o c 2 1 0 1 2 3 ON OFF ON OFF H M L OF...

Страница 81: ...e Note 4 of Sect 4 2 4 2 Heating RC or SH Group with Autofan Mode Heat Auto at heating Temp Selected desired temperature Fan Auto Timer Any I Feel On or Off Control function Maintains room temp at des...

Страница 82: ...for IFAN speed change 4 OFAN operation is controlled by the graph below when RAT SPT 2o c AND ICT 45o c AND COMP is ON Otherwise OFAN runs together with COMP OCT o c 3 2 1 0 1 OFAN ON OFF 4 3 Heating...

Страница 83: ...3 ON OFF ON OFF H M L OFF L 30 sec HE1 HE2 IFAN Notes 1 COMP or WVL OFAN and RV are always OFF 2 Refer to Sect 4 0 3 c for IFAN operations 4 4 Heating RH Group with Autofan Mode Heat Auto at Heating T...

Страница 84: ...OFF L 30 sec M HE1 HE2 IFAN Notes 1 COMP or WVL OFAN and RV are always OFF 2 Refer to Sect 2 3 and 4 0 3 c for IFAN operations 5 Automatic Cooling or Heating 5 0 Automatic Cooling or Heating General T...

Страница 85: ...OMP has been OFF during the last T minutes Mode Change time T Auto Cool to Auto Heat 3 min Auto Heat to Auto Cool 4 min 5 0 5 For RH units Mode change between Auto Heat Auto Cool Modes are possible af...

Страница 86: ...Auto Heat Mode Notes 1 Refer to Sect 4 1 and 4 2 for the heating operations i e when RV is ON 2 Refer to Sect 3 1 and 3 2 for the cooling operations i e when RV is OFF 3 Refer to Sect 5 0 4 for the mi...

Страница 87: ...ction Maintains room temp at desired level by selecting between Cooling or Heating Modes RT SPT o c 3 2 1 0 1 2 3 ON OFF ON OFF L OFF ON OFF H M L 30 sec COMP OFAN HE1 HE2 IFAN RV OFF 3 min 2 Auto Hea...

Страница 88: ...2 ON OFF ON OFF LOW OFF DRY ON DRY OFF ON OFF Time min 10 20 30 40 50 Max 15 minutes 3 5 min Note1 6 min Note 2 COMP OFAN HE1 HE2 IFAN RV Max 15 minutes 5 minutes COMP ON time Notes 1 When Dry is ON...

Страница 89: ...e always OFF in Dry Mode 6 2 Dry SH or RH group excluding P2000 model Mode Dry Temp Selected desired temp Fan Low automatically selected by software Timer Any I FEEL Any Control function Reduce room h...

Страница 90: ...ons 7 1 1 Indoor Coil Defrost Mode Cooling Dry Auto Temp Selected desired temp Fan Any Timer Any I Feel On or Off Control Function Protect the indoor coil from ice formation at low ambient temperature...

Страница 91: ...In both cases the ICT checking in t2 and t3 are not applied 7 1 2 High Pressure Protection Mode Auto Cooling or Dry Temp Selected desired temp Fan Any Timer Any I Feel On or Off Control Function To p...

Страница 92: ...ced off automatically The COMP can be turned on again only after the ICT is under 70o c again and after the 3 min COMP ON delay time The OPER LED will not blink in this case 7 2 Heating Mode Protectio...

Страница 93: ...LINK ON OPER LED Notes 1 At the first COMP activation after SB or OFF if OCT 0o c then DI 10 min else DI 40 min 2 In the following Deicing cycles the time interval between two Deicing cycles activatio...

Страница 94: ...pt WAX For WAX model ON BLINK OPER LED Notes 1 IFAN HE1 and HE2 will be activated according to the relevant Heating Mode Sect 2 In case of any malfunction in the relay control circuit the OCT is also...

Страница 95: ...evel Normal BLINK COMP WVL is forced OFF 8 min 8 min Overflow when unit is ON Overflow when unit is OFF 1 min Notes 1 The switch used for water level detection is closed under normal condition and is...

Страница 96: ...r any Timer settings 4 Uncover the remote control IR transmitter and change the temperature settings If the display indoor unit receive the settings properly the following steps will start STEP 3 MODE...

Страница 97: ...s fails the COOL LED will turn ON In order to move to the next step press ON OFF button on the remote control STEP 6 INPUT TEST This stage is testing the analog real time indicators thermistors LEVEL...

Страница 98: ...st result is reported by using the STAND BY and FILTER LEDS LED indicator Condition for LED to be ON STAND BY LED Test passed FILTER LED Test failed AT THIS POINT THE SELF TEST IS COMPLETED In order t...

Страница 99: ...st result is reported by using the STAND BY and FILTER LEDS LED indicator Condition for LED to be ON STAND BY LED Test passed FILTER LED Test failed AT THIS POINT THE SELF TEST IS COMPLETED In order t...

Страница 100: ...SELF TEST DIAGRAM Step 1 Step 2 Step 3 FOR CONTROLLER VERSION 4V5 OR HIGHER COOL HEAT COMPRESSOR OUTDOOR FAN R V LOW MEDIUM HIGH TIMER OPERATE STANDBY BUZZER TEST ONE BEEP SOUND REMOTE CONTROL TO CPU...

Страница 101: ...5 seconds according to the following table No Problem 1 2 3 4 5 1 RT1 is disconnected 2 RT1 is shorted 3 RV Fault 4 RT2 is disconnected 5 RT2 is shorted 6 Reserved 7 RT2 temp reading doesn t change 8...

Страница 102: ...acitor or motor 5 The outdoor fan does not function correctly Check the voltage between outdoor fan terminals on the main P C B There is voltage between outdoor fan terminals on the outdoor unit There...

Страница 103: ...ndings are shorted Check voltage repair wiring if necessary Check fan wheel if it is tight enough on motor shaft tighten if necessary Replace indoor fan motor 13 Partial limited air supply at indoor u...

Страница 104: ...10 1 EXPLODED VIEWS AND SPARE PARTS LISTS Revision Y05 01 Service Manual DNC Series 10 EXPLODED VIEWS AND SPARE PARTS LISTS 10 1 Indoor Unit DNC 35 38 44...

Страница 105: ...res 7m with connectors 1 1 9 SP000000097 Electrical box assembly 1 1 10 433462 Capillary assembly 1 2 11 SP000000098 Drain pool assembly 1 1 12 SP000000099 Air inlet assembly 1 1 13 433315 Filter 1 1...

Страница 106: ...1 1 9 SP000000097 Electrical box assembly 1 1 433328 Capillary assembly for R22 1 3 10 433265 Capillary assembly for R407C 1 1 11 SP000000098 Drain pool assembly 1 1 12 SP000000099 Air inlet assembly...

Страница 107: ...8 402730 Cable 8 wires 7m with connectors 1 1 9 SP000000097 Electrical box assembly 1 1 11 SP000000098 Drain pool assembly 1 1 12 SP000000099 Air inlet assembly 1 1 13 433315 Filter 1 1 14 433324 Retu...

Страница 108: ...10 5 EXPLODED VIEWS AND SPARE PARTS LISTS Revision Y05 01 Service Manual DNC Series 10 5 Outdoor Unit OU8 33 OU8 33T...

Страница 109: ...10 6 EXPLODED VIEWS AND SPARE PARTS LISTS Revision Y05 01 Service Manual DNC Series 10 6 Outdoor Unit OU8 33 OU8 33T...

Страница 110: ...90 143 5 1 1 9 402936 MOTOR 89W 2S OU8 33 1 1 10 402929 NET SIDE PANEL OU8 33 1 1 11 436358 OU LEADING HANDLE 1 2 12 439775 MOTOR SUPPORT OU8 33 1 1 14 439774 COMPRESSOR SQ040PAB 1 1 15 439785 CAPILLA...

Страница 111: ...3 5 1 1 9 402936 MOTOR 89W 2S OU8 33 1 1 10 402929 NET SIDE PANEL OU8 33 1 1 11 436358 OU LEADING HANDLE 1 2 12 439775 MOTOR SUPPORT OU8 33 1 1 14 439776 COMPRESSOR SQ040YAA LG 1 1 15 439785 CAPILLARY...

Страница 112: ...3 5 1 1 9 402936 MOTOR 89W 2S OU8 33 1 1 10 402929 NET SIDE PANEL OU8 33 1 1 11 436358 OU LEADING HANDLE 1 2 12 439775 MOTOR SUPPORT OU8 33 1 1 14 439780 COMPRESSOR HQ040PAA R407C LG 1 1 15 439786 CAP...

Страница 113: ...143 5 1 1 9 402936 MOTOR 89W 2S OU8 33 1 1 10 402929 NET SIDE PANEL OU8 33 1 1 11 436358 OU LEADING HANDLE 1 2 12 439775 MOTOR SUPPORT OU8 33 1 1 14 439766 COMPRESSOR HQ040YAA LG 1 1 15 439786 CAPILL...

Страница 114: ...10 11 EXPLODED VIEWS AND SPARE PARTS LISTS Revision Y05 01 Service Manual DNC Series 10 11 Outdoor Unit OU10 38 OU10 50...

Страница 115: ...10 12 EXPLODED VIEWS AND SPARE PARTS LISTS Revision Y05 01 Service Manual DNC Series 10 12 Outdoor Unit OU10 38 OU10 50...

Страница 116: ...654 NET SIDE PANEL OU10 1 3 11 436358 OU LEADING HANDLE 1 1 12 439657 MOTOR SUPPORT OU10 1 2 13 436357 SMALL ELECTRICAL COVER OU 1 3 14 402792 COMPRESSOR ZR47K3 PFJ 601 1 1 15 439754 CAPILLARY ASSY OU...

Страница 117: ...654 NET SIDE PANEL OU10 1 3 11 436358 OU LEADING HANDLE 1 1 12 439657 MOTOR SUPPORT OU10 1 2 13 436357 SMALL ELECTRICAL COVER OU 1 3 14 430459 COMPRESSOR ZR45KC TFD 601 1 1 15 439754 CAPILLARY ASSY OU...

Страница 118: ...439654 NET SIDE PANEL OU10 1 3 11 436358 OU LEADING HANDLE 1 1 12 439657 MOTOR SUPPORT OU10 1 2 13 436357 SMALL ELECTRICAL COVER OU 1 3 14 402978 COMPRESSOR ZR47K3E PFJ 1 1 15 439823 CAPILLARY ASSY OU...

Страница 119: ...54 NET SIDE PANEL OU10 1 3 11 436358 OU LEADING HANDLE 1 1 12 439657 MOTOR SUPPORT OU10 1 2 13 436357 SMALL ELECTRICAL COVER OU 1 3 14 402943 COMPRESSOR ZR47KCE TFD 1 1 15 439823 CAPILLARY ASSY OU10 3...

Страница 120: ...112 2 1 9 439651 MOTOR 70W 3S OU10 2 2 10 439654 NET SIDE PANEL OU10 1 3 11 436358 OU LEADING HANDLE 1 1 12 439657 MOTOR SUPPORT OU10 1 2 13 436357 SMALL ELECTRICAL COVER OU 1 3 14 402978 COMPRESSOR Z...

Страница 121: ...112 2 1 9 439651 MOTOR 70W 3S OU10 2 2 10 439654 NET SIDE PANEL OU10 1 3 11 436358 OU LEADING HANDLE 1 1 12 439657 MOTOR SUPPORT OU10 1 2 13 436357 SMALL ELECTRICAL COVER OU 1 3 14 402943 COMPRESSOR...

Страница 122: ...10 1 3 11 436358 OU LEADING HANDLE 1 1 12 439657 MOTOR SUPPORT OU10 1 2 13 436357 SMALL ELECTRICAL COVER OU 1 3 14 439666 COMPRESSOR SR061YAB LG 1 1 15 439691 CAPILLARY ASSY OU10 44 1 1 16 439749 TUBI...

Страница 123: ...3 11 436358 OU LEADING HANDLE 1 1 12 439657 MOTOR SUPPORT OU10 1 2 13 436357 SMALL ELECTRICAL COVER OU 1 3 14 439767 COMPRESSOR HR061YAA LG 1 1 15 439828 CAPILLARY ASSY OU10 50 R407C 1 1 16 439829 TUB...

Страница 124: ...3S OU10 2 2 10 439654 NET SIDE PANEL OU10 1 3 11 436358 OU LEADING HANDLE 1 1 12 439657 MOTOR SUPPORT OU10 1 2 13 436357 SMALL ELECTRICAL COVER OU 1 3 14 439767 COMPRESSOR HR061YAA LG 1 1 15 402250 CA...

Страница 125: ...CENTRAL AIR CONDITIONER SPLIT SYSTEM WITH ELECTRONIC CONTROL SERIES DNC INSTALLATION INSTRUCTIONS...

Страница 126: ...n air panel 11 4 3 Fresh air supply optional 12 4 4 Connecting the drainage tube 13 5 Installation of flexible ducts 14 5 1 Installation instructions 14 6 Installation of the outdoor unit 16 6 1 Insta...

Страница 127: ...ads Padding of the outdoor unit 4 Tie Wraps Tightening the indoor and the outdoor units electrical cables 4 Washer for hanging the indoor unit Securing the location of the pole in the ear on which the...

Страница 128: ...from the air conditioned area into the return air grille as well as from the return air grille to the inlet of the indoor unit This route must be free of obstruction and must not pass through non air...

Страница 129: ...all types 1 Suction tube connector flared 2 Liquid tube connector flared 3 Pump outlet 16 mm 4 Drain pool plug for servicing purposes only 5 8 air supply opening 6 Hanging bracket 7 Electrical box 8 F...

Страница 130: ...h 4 2 2 Outdoor unit dimensions DNC 955 DNC 955 3PH 1 Wiring connections 2 Suction tube connector flared 3 Liquid tube connector flared 4 Service valve 5 Air inlet 6 Air outlet Fig 2 General dimension...

Страница 131: ...oor unit dimensions DNC 1155 DNC 1255 1 Wiring connections 2 Suction tube connector flared 3 Liquid tube connector flared 4 Service valves 5 Service taps 6 Air inlet 7 Air outlet Fig 3 General dimensi...

Страница 132: ...he wall on which the outdoor unit is installed has a thickness of at least 200 mm and has the capacity to carry the unit s weight Abstain from mounting on a flimsy structure that might be subject to r...

Страница 133: ...in the unit Make sure that the roof is strong enough to carry the weight of the unit The unit must not be installed in an environment exposed to oil vapors or to other flammable materials Either the u...

Страница 134: ...2 Return air panel frame 3 Filter access panel Fig 4 Installing the unit with DNC return air panel B Installing the unit with service panel and conventional return air grille and lowering the ceiling...

Страница 135: ...for anchors on the ceiling D Drill holes for the anchors E Install the mounting plate on the ceiling and tighten the anchors F Raise the unit and slide it onto the mounting plate see Fig 6 Note One mu...

Страница 136: ...location for the unit s mounting brackets C Mark the position of the hanging rods D Drill the required holes for mounting flanges and install hanging rods E Lift the unit carefully at all four corner...

Страница 137: ...C Connect the frame to the unit using four screws and washers After lowering the ceiling the return air panel can be straightened according to ceiling lines or walls by releasing screws moving frame a...

Страница 138: ...a knife cut open the insulation in the fresh air opening connection see Fig 11 C Install special adapter and tighten it with four screws Fresh air adapter can be purchased through Company service cen...

Страница 139: ...50 mm height in order to prevent penetration of unpleasant smells into the room Fig 12 Drainage tube connection C The DNC unit includes a drainage pump with level control which can elevate condensatio...

Страница 140: ...2 to 10 adapter one unit 5 1 Installation instructions A Select the necessary air openings and open them B Install the adapters and secure them with the locking screw see Fig 14 For the installing con...

Страница 141: ...INSTALLATION MANUAL English 15 Fig 15 Installing the manual damper...

Страница 142: ...Outside the building 2 Outdoor unit 3 Rubber padding under legs 4 Floor 5 Concrete slab 6 Anchoring screws 7 Building Fig 16 Installing the outdoor unit on a concrete slab 6 2 Installation on the wall...

Страница 143: ...as possible from unnecessary bending of tubes If bending is required it must be performed using a professional tube bending tool never by hands Take care to perfectly insulate the tubes throughout th...

Страница 144: ...must be the smallest possible see Fig 20 The suction tube which is located in a horizontal position shall have a 0 5 slope towards the outdoor unit The liquid line should be parallel to the suction li...

Страница 145: ...m 3 Liquid tube 4 Indoor unit 5 Outdoor unit Fig 20 The radius of curve in oil trap Fig 21 Outdoor unit installed below the indoor unit 1 Outdoor unit 2 Liquid tube 3 Suction tube 4 Indoor unit Fig 2...

Страница 146: ...ubes between units A Cut the tube on which the flare must be performed with a tube cutter make sure that the cut is perpendicular to the tube axis and is clean off debris see Fig 23 Note Before proces...

Страница 147: ...onnect two charging tubes with the ends without locking pins to the pressure gage connection in the manifold Connect the other two ends of the tubes with locking pins to the service opening on the suc...

Страница 148: ...tubes from the pump and from the two service taps G Close and tighten the two protective caps of the service taps Take care to use torque wrench set to the appropriate torque value see table No 3 for...

Страница 149: ...leakage in all the connection sites C The outdoor unit is delivered with some amounts of gas and oil sufficient for tubes with the length specified in the nameplate located on the side of the unit If...

Страница 150: ...a time delay and with a ground leakage detection circuit breaker The allowed voltage swing is 10 Note When there is a case of a duct system with large pressure losses the high speed connection of the...

Страница 151: ...supply which must include A time delayed C type triple phase automatic circuit breaker to be installed at the beginning of the main supply line on the main connection panel The capacity of the automat...

Страница 152: ...n 10 m In each case when the user wants to operate the air conditioner by using the remote control sensor in operation modes of LOCAL I FEEL the remote control unit must be positioned in a place that...

Страница 153: ...ompressor in the three phase unit In case of noise make sure that the phases are connected correctly 3 Activate the air conditioner for cooling and heating Following are a number of operation instruct...

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