Daikin GPGM3 Manuals

Manuals and User Guides for Daikin GPGM3. We have 1 Daikin GPGM3 manual available for free PDF download: Service And Troubleshooting

Daikin GPGM3 Service And Troubleshooting

Daikin GPGM3 Service And Troubleshooting (64 pages)

13.4 SEER2 & 15.2 Gas-Electric Package Units with R-410A Refrigerant

Brand: Daikin | Category: Air Conditioner | Size: 6.76 MB

Table of Contents

Table of Contents
1
Important Information
2
Product Identification
4
System Operation
6
Scheduled Maintenance
12
Servicing
14
Checking Voltage
14
Checking Wiring
14
Checking Thermostat and Wiring
14
Checking Transformer and Control Circuit
15
Checking Contactor And/Or Relays
15
Checking Contactor Contacts
16
Checking Fan Relay Contacts
16
Checking High Pressure Control
16
Checking Low Pressure Control
17
Checking Capacitor
17
Testing Start Relay Kits
17
Capacitance Check (Mfd)
18
Checking Fan and Blower Motor Windings (Psc Motors)
18
Checking Ecm Motor Windings
18
Checking Eem Motors
19
Checking Ecm Motors
19
Checking Ecm Motor Windings
20
Checking Compressor
20
Resistance Test
21
Ground Test
21
Unloader Test Procedure
22
Operation Test
22
Locked Rotor Test
23
Testing Crankcase Heater (Optional Item)
23
Refrigeration Repair Practice
23
Standing Pressure Test (Recommended before System Evacuation)
23
Leak Testing (Nitrogen or Nitrogen-Traced)
24
System Evacuation
24
Deep Vacuum Method (Recommended)
24
Triple Evacuation Method (Alternate)
25
Charging
25
Checking Compressor Efficiency
25
Refrigerant Charge Check
25
(Units with Fixed Orifice Devices)
25
Superheat
26
(Units with Txv Device)
26
Subcooling
26
Thermostatic Expansion Valve
27
Overfeeding
27
Underfeeding
27
Checking Expansion Valve Operation
30
Fixed Orifice Restrictor Devices
30
Checking Restricted Liquid Line
30
Overcharge of Refrigerant
30
Non-Condensables
31
Compressor Burnout
31
Checking External Static Pressure
31
Airflow Adjustments
32
Checking Temperature Rise
33
Testing Primary Limit Control
33
Testing Auxiliary Limit
34
Checking Flame Rollout Switch
34
Testing Inducer Motor
35
Testing Gas Valve
36
Checking Main Burners
36
Checking Orifices
36
Checking Gas Pressure
37
Checking for Delayed Ignition
38
Checking for Flashback
38
Checking Pressure Control
38
High Altitude Application
39
Testing Ignition Control Module
39
Checking Flame Sensor
42
Blower Performance Data
43
Troubleshooting
51
Maintenance
56
Wiring Diagrams
57

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