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50DJ
Carrier 50DJ Manuals
Manuals and User Guides for Carrier 50DJ. We have
1
Carrier 50DJ manual available for free PDF download: Installation, Start-Up And Service Instructions Manual
Carrier 50DJ Installation, Start-Up And Service Instructions Manual (72 pages)
Single Package Heating and Cooling Units
Brand:
Carrier
| Category:
Air Conditioner
| Size: 1.45 MB
Table of Contents
Table of Contents
1
General
2
Safety Considerations
2
Installation
2
Rigging and Unit Placement
2
Roof Curb
2
Roof Mount
2
Slab Mount
2
Positioning
3
Field-Fabricated Ductwork
6
Condensate Drains
10
Install Outdoor Hoods
10
Unit Sizes
10
Outdoor-Air Inlet Adjustments
10
Manual Outdoor-Air Damper
10
Economizer Settings
10
Field Wire Routing
17
Unit Sizes
17
Field Electrical Connections
17
Power Wiring
17
Control Wiring
34
Gas Piping (48 Series Units Only)
36
Installing Flue/Inlet Hoods
36
Only)
37
Unit Sizes
38
Pre-Start-Up
38
Unit Preparation
38
Compressor Mounting
38
Evaporator-Fan Shipping Brackets
38
Internal Wiring
38
Refrigerant Service Valves
38
Crankcase Heaters
38
Compressor Oil
38
Units Only)
39
Unit Voltage
39
Leak Test and Dehydration
39
Evaporator-Fan Belts, Pulleys, and Sheaves
39
Condenser Fans and Motors
40
Return-Air Filters
40
Economizer Inlet Screens
40
Economizer Dampers
40
25% Outdoor-Air Damper
40
Initial Check
41
Start-Up
41
General
41
Operating Sequences
41
Cooling, Units Without Economizer
41
Heating, Units Without Economizer
41
VENTILATION AIR CIRCULATION (Continuous Fan)
42
Automatic Changeover Using Automatic
42
Head Pressure Control
42
Service
42
Service Access
42
Compressors
42
Liquid Service Valves, Filter Driers, and Sight Glasses
43
Evaporator-Fan Motors, Pulleys, and Belts
43
Power Exhaust Motors, Pulleys, and Belts
43
Unit Control Box
43
GAS HEAT SECTION (48 Series Units Only)
43
MAIN and PILOT BURNERS (48 Series Units Only)
43
FLUE GAS PASSAGEWAYS (48 Series Units Only)
43
COMBUSTION AIR BLOWER (48 Series Units Only)
43
Unit Sizes 034 and
44
ELECTRIC HEATER CONTROL BOX (50 Series Units Only)
44
Modulating Power Exhaust Damper Motor
45
Inlet Guide Vane Motor
45
Cleaning
45
Lubrication
45
Inlet Guide Vane Bearings
45
Adjustments
46
Evaporator Fan and Power Exhaust Motor Plate
46
Modulating Power Exhaust Differential
46
Inlet Guide Vane Differential Pressure
46
Switch
46
Belt Installation and Tensioning
46
Installing Alternate Motor Pulley
46
Condenser Fan Adjustment
46
AUTOMATIC PILOT ADJUSTMENT (48 Series Units Only)
49
GAS VALVE ADJUSTMENT (48 Series Units Only)
50
Main Burner Adjustment
50
Main Burner Removal (48 Series Units Only)
50
Switch Adjustment
50
Refrigerant Feed Components
50
Thermostatic Expansion Valve (TXV)
50
Moisture/Liquid Indicator
51
Filter Drier
51
Liquid Line Service Valve
51
Compressor Discharge Service Valve
51
Compressor Suction Service Valve
51
Protective Devices
51
Compressor Protection
51
Evaporator-Fan Motor Protection
51
Condenser-Fan Motor Protection
51
Relief Devices
51
Control Circuit, 115 V
52
Control Circuit, 24 V
52
Electric Heat (50 Series Units Only)
52
Gas Heat (48 Series Units Only)
52
Troubleshooting
52
Economizer
52
Economizer Motor Checkout
52
Economizer Control Board Checkout
52
Unit Control Board Checkout
53
Basic Check
53
Detailed Check
53
Start-Up Checklist
72
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