Carrier 48JCH 04-06 Series Manuals

Manuals and User Guides for Carrier 48JCH 04-06 Series. We have 1 Carrier 48JCH 04-06 Series manual available for free PDF download: Service And Maintenance Instructions

Carrier 48JCH 04-06 Series Service And Maintenance Instructions (72 pages)

Single Package Rooftop Ultra Low NOx (14 ng /J) Gas Heat / Electric Cooling Unit with Puron (R-410A) Refrigerant 3 to 5 Nominal Tons

Brand: Carrier | Category: Air Conditioner | Size: 7.8 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
Cooling
8
Condenser Coil
8
Condenser Coil Maintenance and Cleaning
8
Recommendation
8
Evaporator Coil
10
Thermostatic Expansion Valve (Txv)
10
TXV Operation
10
Replacing TXV
11
Refrigerant System Pressure Access Ports
11
Puron (R-410A) Refrigerant
12
Refrigerant Charge
12
Compressor
14
Lubrication
14
Replacing Compressor
14
Compressor Rotation
14
Filter Drier
14
Condenser-Fan Adjustment
14
Troubleshooting Cooling System
16
Convenience Outlets
17
Installing Weatherproof Cover
17
Non-Powered Type
17
Unit-Powered Type
17
Duty Cycle
18
Maintenance
18
Fuse on Powered Type
18
Smoke Detectors
18
System
18
Controller
18
Smoke Detector Sensor
18
Smoke Detector Locations
19
Completing Installation of Return Air Smoke
20
Detector
20
FIOP Smoke Detector Wiring and Response
20
Sensor and Controller Tests
21
Sensor Alarm Test
21
Controller Alarm Test
21
Dirty Controller Test
21
Dirty Sensor Test
21
Changing the Dirt Sensor Test
21
Remote Station Test
21
SD-TRK4 Remote Alarm Test Procedure
22
Remote Test/Reset Station Dirty Sensor Test
22
Dirty Sensor Test Using an SD-TRK4
22
Detector Cleaning
22
Indicators
22
Troubleshooting
23
Protective Devices
24
Compressor Protection
24
Relief Device
24
Control Circuit, 24-V
24
Gas Heating System
24
General
24
Fuel Types and Pressures
25
Combustion-Air Blower
25
Burners and Igniters
26
Burner Ignition
28
Orifice Replacement
28
Troubleshooting Heating System
30
Systemvu Control System
32
Systemvu Interface
32
Air Temperature Sensors
32
Additional Systemvu Installation and Troubleshooting
32
Compressor Vfd
34
Drive Board
34
Converter Board
36
Filter Board
40
Capacitor Board
41
Economizer Systems
42
Economi$Er2
42
Pre-Start-Up/Start-Up
43
Start-Up, General
43
Unit Preparation
43
Additional Installation/Inspection
43
Gas Piping
43
Return-Air Filters
44
Outdoor-Air Inlet Screens
44
Compressor Mounting
44
Internal Wiring
44
Refrigerant Service Ports
44
Compressor Rotation
44
Cooling
44
Main Burner
44
Heating
45
Ventilation (Continuous Fan)
45
Fastener Torque Values
45
Start-Up, Systemvu Controls
45

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Carrier 48JCH 04-06 Series Service And Maintenance Instructions (72 pages)

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