User Manuals: Carrier 48GC04 Rooftop Unit

Manuals and User Guides for Carrier 48GC04 Rooftop Unit. We have 1 Carrier 48GC04 Rooftop Unit manual available for free PDF download: Service And Maintenance Instructions

Carrier 48GC04 Service And Maintenance Instructions (108 pages)

Single Package Rooftop Gas Heat/Electric Cooling Unit with Puron (R-410A) Refrigerant 3 to 5 Nominal Tons

Brand: Carrier | Category: Air Conditioner | Size: 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
11
Cooling
11
Condenser Coil
11
Condenser Coil Maintenance and Cleaning Recommendation
11
Evaporator Coil
13
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
17
Lubrication
17
Replacing Compressor
17
Compressor Rotation
17
Filter Drier
17
Condenser-Fan Adjustment
17
Troubleshooting Cooling System
19
Convenience Outlets
20
Installing Weatherproof Cover
20
Non-Powered Type
20
Unit-Powered Type
20
Duty Cycle
21
Maintenance
21
Fuse on Powered Type
21
Smoke Detectors
21
System
21
Controller
21
Smoke Detector Sensor
21
Smoke Detector Locations
22
Completing Installation of Return Air Smoke
23
Detector
23
FIOP Smoke Detector Wiring and Response
23
Sensor and Controller Tests
24
Sensor Alarm Test
24
Controller Alarm Test
24
Dirty Controller Test
24
Dirty Sensor Test
24
Changing the Dirt Sensor Test
25
Remote Station Test
25
SD-TRK4 Remote Alarm Test Procedure
25
Remote Test/Reset Station Dirty Sensor Test
25
Dirty Sensor Test Using an SD-TRK4
25
Detector Cleaning
25
Indicators
26
Troubleshooting
26
Protective Devices
27
Compressor Protection
27
Relief Device
27
Control Circuit, 24-V
27
Gas Heating System
27
General
27
Fuel Types and Pressures
28
Flue Gas Passageways
28
Combustion-Air Blower
28
Burners and Igniters
29
Burner Ignition
32
Orifice Replacement
32
Troubleshooting Heating System
34
Systemvu Control System
36
Systemvu Interface
36
Additional Systemvu Installation and Troubleshooting
36
Rtu Open Control System
37
Sensory/Accessory Installation
37
Additional RTU Open Installation and Troubleshooting
38
Economizer Systems
38
Economi$Er2
39
Economi$Er IV (Field-Installed Accessory)
40
Economi$Er X (Factory Option)
47
Pre-Start-Up/Start-Up
60
Start-Up, General
60
Unit Preparation
60
Additional Installation/Inspection
60
Gas Piping
60
Return-Air Filters
61
Outdoor-Air Inlet Screens
61
Compressor Mounting
61
Internal Wiring
61
Refrigerant Service Ports
61
Compressor Rotation
61
Cooling
61
Main Burner
61
Heating
61
Ventilation (Continuous Fan)
62
Fastener Torque Values
62
Start-Up, Rtu Open Controls
62
Start-Up, Systemvu Controls
62
Form 48GC-4-6-01SM Rev. a
106
Replaces: New
106

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User Manuals: Carrier 48GC04 Rooftop Unit

Carrier 48GC04 Service And Maintenance Instructions (108 pages)

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