Carrier 50DW Manuals

Manuals and User Guides for Carrier 50DW. We have 1 Carrier 50DW manual available for free PDF download: Installation, Start-Up And Service Instructions Manual

Carrier 50DW Installation, Start-Up And Service Instructions Manual

Carrier 50DW Installation, Start-Up And Service Instructions Manual (72 pages)

Single Package Heating and Cooling Units

Brand: Carrier | Category: Air Conditioner | Size: 1 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
- Power Wiring
  17
Field Wire Routing
17
- Unit Sizes
  17
Field Electrical Connections
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
Head Pressure Control
42
Service
42
Service Access
42
Cleaning
45
Lubrication
45
- Inlet Guide Vane Bearings
  45
Adjustments
46
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
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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