Carrier 50GCQ Series Manuals

Manuals and User Guides for Carrier 50GCQ Series. We have 1 Carrier 50GCQ Series manual available for free PDF download: Service And Maintenance Instructions

Carrier 50GCQ Series Service And Maintenance Instructions (100 pages)

Single Package Rooftop Heat Pump with Puron® (R-410A) Refrigerant 3 to 5 Nominal Tons

Brand: Carrier | Category: Heat Pump | Size: 12.12 MB

Table of Contents
1
Safety Considerations
2
Unit Arrangement and Access
3
General
3
Routine Maintenance
3
Filters
3
Supply Fan (Blower) Section
4
Supply Fan (Direct-Drive)
4
Staged Air Volume
10
Cooling
10
Condenser Coil (Outdoor)
10
Evaporator Coil (Indoor)
10
Condenser Coil Maintenance and Cleaning
10
Recommendation
10
Evaporator Coil
12
Refrigeration System Components
12
Evaporator Coil Metering Devices
12
Thermostatic Expansion Valve (Txv)
13
TXV Operation
13
Replacing TXV
13
Refrigerant System Pressure Access Ports
14
Puron (R-410A) Refrigerant
15
Refrigerant Charge
15
Cooling Charging Charts
15
Compressor
16
Lubrication
16
Replacing Compressor
16
Compressor Rotation
16
Filter Drier
17
Condenser-Fan Adjustment
17
Troubleshooting Cooling System
18
Convenience Outlets
19
Installing Weatherproof Cover
19
Non-Powered Type
19
Unit-Powered Type
19
Duty Cycle
20
Maintenance
20
Fuse on Powered Type
20
Commerical Defrost Control
20
Reversing Valve Control
21
Compressor Control
21
Auxiliary (Electric) Heat Control
21
Defrost
22
Electric Heaters
22
Single Point Boxes and Supplementary Fuses
23
Safety Devices
23
Completing Heater Installation
23
Smoke Detectors
24
System
24
Controller
24
Smoke Detector Sensor
24
Smoke Detector Locations
24
Completing Installation of Return Air Smoke
25
Detector
25
FIOP Smoke Detector Wiring and Response
26
Sensor and Controller Tests
27
Sensor Alarm Test
27
Controller Alarm Test
27
Dirty Controller Test
27
Dirty Sensor Test
27
Changing the Dirty Sensor Test
27
Remote Station Test
27
SD-TRM4 Remote Alarm Test Procedure
28
Remote Test/Reset Station Dirty Sensor Test
28
Dirty Sensor Test Using an SD-TRM4
28
Detector Cleaning
28
Indicators
28
Troubleshooting
29
Protective Devices
30
Compressor Protection
30
Relief Device
30
Control Circuit, 24-V
30
Systemvu Control System
30
Systemvu Interface
30
Additional Systemvu Installation and Troubleshooting
30
Rtu Open Control System
32
Sensory/Accessory Installation
32
Additional RTU Open Installation and Troubleshooting
33
Economizer Systems
33
Economi$Er 2
34
Economi$Er IV (Field-Installed Accessory)
35
Economi$Er X (Factory Option)
42
Pre-Start-Up/Start-Up
53
Start-Up, General
54
Unit Preparation
54
Additional Installation/Inspection
54
Return-Air Filters
54
Outdoor-Air Inlet Screens
54
Compressor Mounting
54
Internal Wiring
54
Refrigerant Service Ports
54
Compressor Rotation
54

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Carrier 50GCQ Series Service And Maintenance Instructions (100 pages)

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