Carrier 38QH30-C Service Maintenance Manual Download | Manualshive

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2005

SERVICE & MAINTENANCE MANUAL

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Summary of Contents for 38QH30-C

Page 1: ...2005 SERVICE MAINTENANCE MANUAL...

Page 2: ...ions 5 7 Exploded View of Indoor Unit 6 8 Part List of Indoor Unit 7 9 Exploded View of Outdoor Unit 9 10 Part List of Outdoor Unit 10 11 Wiring Diagrams 11 12 Field Electrical Connections Matching 13...

Page 3: ...egligence 2 Failure due to Accident Weather Natural catastrophe accident due to bad weather Hail Storm Sand Storm lightning Flooding Acid Rain and Air Borne fallout etc 3 Failure due to Damages during...

Page 4: ...d temperature timer and swing and sleep functions b OUTDOOR UNIT x Mounted outside the space to be air conditioned x It contains compressor fan motor condenser coil copper tubing and electrical compon...

Page 5: ...6303188 H 42QH30 C 46303186 C 42QH36 H 46303189 H 42QH36 C 46303187 C OUTDOOR UNIT Heat Pump Cool Only Model P N ID Model P N ID 38QH30 H 46302173 H 38QH30 C 46302179 C 38QH36 H 46302177 H 38QH36 C 46...

Page 6: ...Cold draft prevention Indoor fan off Heating mode During unit operation Defrost cycle Indoor fan off Heating mode During unit operation Indoor coil Freeze protection Compressor off Cooling mode Durin...

Page 7: ...6 7 EXPLODED VIEW OF INDOOR UNIT 23 22 22 20 21 19 18 17 16 15 14 13 10 11 12 9 6 7 4 3 2 7 5 8 1 25 24 5 24 6 24 4 24 7 24 3 24 2 24 1...

Page 8: ...6 17 Bar Gang 02802431 4 4 4 4 18 Deflector with Arm 02802429 4 4 4 4 19 Evap Coil 3R x 5C x 3 8 02600159 1 1 1 1 20 Frame Grille 02802436 1 1 1 1 21 Screw Cover 02802400 4 4 4 4 22 Air Filter 0280240...

Page 9: ...8 9 EXPLODED VIEW OF OUTDOOR UNIT 18 5 2 9 8 6 10 12 13 7 1 14 16 15 4 20 3 11 17 20 19 5 19 2 19 3 19 3 19 1 19 6...

Page 10: ...1 1 17 COIL GUARD 02803114 1 1 02803115 1 1 18 COND COVER 08107400 1 1 1 1 19 ELECTRICAL BOX SUBASSY 36314125 1 36314097 1 36314223 1 36314222 1 19 1 DUAL CAPACITOR 19 1 1 Dual Capacitor 50 5 MFD 440...

Page 11: ...10 INDOOR UNIT 42QH H SERIES HEAT PUMP WIRING DIAGRAM INDOOR UNIT 42QH C SERIES COOL ONLY WIRING DIAGRAM 11 WIRING DIAGRAMS 0350151...

Page 12: ...11 OUTDOOR UNIT 38QH H SERIES HEAT PUMP WIRING DIAGRAM OUTDOOR UNIT 38QH C SERIES COOL ONLY WIRING DIAGRAM WIRING DIAGRAMS CONT...

Page 13: ...Earth L Live power supply N Neutral power supply 6 Live connection indoor outdoor unit 5 Neutral connection indoor outdoor unit 4 Compressor control 3 Reversing valve control Only for heat pump syste...

Page 14: ...13 13 REFRIGERATION CYCLE HEAT PUMP SYSTEM...

Page 15: ...14 REFRIGERATION CYCLE Cont COOL ONLY SYSTEM...

Page 16: ...or timer led as per malfunction 14 2SELF DIAGNOSTIC FUNCTION The self diagnostic function included in the control system detects malfunctions of the following components 1 Return Air Sensor 2 Indoor...

Page 17: ...ANING Open the return grille without removing the two screws and the central clamp from their position Remove acrylic fiber filters for cleaning CLEANING OF ACRYLIC FIBRE STANDARD FILTERS First clean...

Page 18: ...it Every Month Every 4 Months Every Year Clean air filter 1 Clean drain pipe 2 Change controller batteries Outdoor Unit Every Month Every 4 Months Every Year Clean outdoor coil from outside 2 Clean ou...

Page 19: ...Outdoor fan stopped Detective run capacitor Faulty fan motor of outdoor section Restriction in refrigerant system Capillary or Accurate restricted or ice clogged Blow refrigerant evacuate system and r...

Page 20: ...or have the wrong polarity Replace batteries or check polarity When pressing the recessed lock adjustment button hour figures on display do not flash Recessed button has not been pressed correctly Pre...

Page 21: ...ation after having removed the obstacles Receiver on the indoor unit or the remote control is under intense sum radiation Avoid direct sun on the unit shut curtains or shades When pressing any functio...

Page 22: ...coming from the indoor unit Unpleasant smells can be caused by substances accumulated in the air filters Switch the system OFF and contact an authorized service center to have the filters cleaned Res...

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