Daikin DRG0481DH00001S Manuals

Manuals and User Guides for Daikin DRG0481DH00001S. We have 1 Daikin DRG0481DH00001S manual available for free PDF download: Service Instructions Manual

Daikin DRG0481DH00001S Service Instructions Manual (113 pages)

DRG Gas Electric/DRC Cooling/DRH Heat Pump Commercial Package Units With R-410A Refrigerant 3-6 Tons & Accessories

Brand: Daikin | Category: Heat Pump | Size: 14.12 MB

Important Information

2
- Table of Contents
  2
- Product Identification
  4
- Accessories
  6
- System Operation
  20
Servicing

43
- Servicing Table of Contents
  43
- Servicing
  44
- Checking Voltage
  46
- Checking Thermostat, Wiring, and Anticipator
  47
- Checking Wiring
  47
- S-3A Thermostat and Wiring
  47
- S-3B Cooling Anticipator
  47
- Checking Contactor And/Or Relays
  48
- Checking Transformer and Control Circuit
  48
- S-3C Heating Anticipator
  48
- Checking Contactor Contacts
  49
- Checking Fan Relay Contacts
  49
- Checking Loss of Charge Protector
  50
- Checking Capacitor
  51
- Checking High Pressure Control
  51
- Checking Low Pressure Control
  51
- S-15A Resistance Check
  52
- S-15B Capacitance Check
  52
- Checking Motors
  53
- S-16A Checking Fan and Blower Motor Windings (Psc Motors)
  53
- S-16D Checking Eem
  53
- Checking Compressor Windings
  54
- S-17A Resistance Test
  54
- S-17B Ground Test
  55
- S-18A Checking Crankcase Heater Thermostat
  55
- Testing Crankcase Heater (Optional Item)
  55
- Checking Reversing Valve and Solenoid
  56
- Testing Defrost Control
  56
- Testing Defrost Thermostat
  56
- Checking Heater Elements
  57
- Checking Heater Limit Control(S)
  57
- Refrigeration Repair Practice
  57
- Evacuation
  58
- Leak Testing (Nitrogen or Nitrogen-Traced)
  58
- Charging
  59
- Checking Compressor Efficiency
  60
- Overfeeding
  60
- Superheat
  60
- Checking Expansion Valve Operation
  61
- Checking Subcooling
  61
- Checking Restricted Liquid Line
  64
- Fixed Orifice Restriction Devices
  64
- Non-Condensables
  64
- Overcharge of Refrigerant
  64
- Checking External Static Pressure
  65
- Compressor Burnout
  65
- Checking Temperature Rise
  66
- Indoor Fan Rotation Check
  66
- Testing Primary Limit Control
  66
- Testing Auxiliary Limit
  67
- Checking Flame Rollout Switch
  68
- Checking Main Burners
  69
- Testing Gas Valve
  69
- Testing Inducer Motor
  69
- Checking Gas Pressure
  70
- Checking Orifices
  70
- Checking for Delayed Ignition
  71
- Checking for Flashback
  71
- Checking Pressure Control
  71
- High Altitude Application
  72
- Testing Ignition Control Module
  73
- Checking Flame Sensor
  75
- Unit Wiring Diagram
  77
- Accessories Wiring Diagram
  86
- Heater Kits
  99
- Heater Kits Wiring Diagram
  100
- Scheduled Maintenance
  112
- Warning
  112

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Daikin DRG0481DH00001S Manuals

Daikin DRG0481DH00001S Service Instructions Manual (113 pages)

Table of Contents

Important Information

Servicing

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