York DHUC 048 Manuals

Manuals and User Guides for York DHUC 048. We have 1 York DHUC 048 manual available for free PDF download: Installation Instruction

York DHUC 048 Installation Instruction

York DHUC 048 Installation Instruction (20 pages)

GAS / ELECTRIC SINGLE PACKAGE AIR CONDITIONERS

Brand: York | Category: Air Conditioner | Size: 0.3 MB

Table of Contents

General
1
Inspection
1
Reference
1
Approvals
1
Table of Contents
2
Nomenclature
2
Installation

3
- Limitations
  3
- Location
  3
- Rigging and Handling
  3
- Clearances
  3
- Ductwork
  3
  - Unit Application Data
    3
- Filters
  4
- Condensate Drain
  4
- Service Access
  4
- Thermostat
  4
- Power and Control Wiring
  4
- Blower Speed Selection
  4
- Scroll Compressors
  4
- Combustion Discharge
  4
  - Gas Heat Application Data
    4
  - Recommended Drain Piping
    4
- Disconnect Switch Bracket for Optional Belt-Drive
  5
- Gas Piping
  5
  - Pipe Sizing
    5
  - Typical Field Wiring
    5
- Gas Connection
  6
- Units, Tanks and Piping
  6
- Low Nox Application
  6
  - External Supply Connection
    6
  - Bottom Supply Connection
    6
- Vent and Combustion Air Hoods
  7
Operation

14
- Cooling System
  14
- Cooling Sequence of Operation
  14
- Safty Controls (Cooling)
  14
- Heating Sequence of Operation
  14
- Safety Controls (Heating)
  14
  - Gas Valve Piping
    14
- Heat Anticipator Setpoints
  15
- Pre-Start Check List
  15
Start-Up

15
- Operating Instructions
  15
- Post-Start Check List (Gas)
  15
- Manifold Gas Pressure Adjustment
  15
  - Limit Control Setting
    15
    
    Gas Valves
    15
- Pilot Checkout
  16
- Burner Instructions
  16
- Burner Air Shutter Adjustment
  16
- Supply Air Blower and Temperature Rise Adjustment
  16
  - Belt Drive Supply Air Motor Pulley Adj
    16
  - Proper Flame Adjustment
    16
    
    Typical Flame Appearance
    16
  - Belt Adjustment
    16
- Checking Gas Input
  17
- Secure Owner's Approval
  17
  - Gas Rate - Cubic Feet Per Hour
    17
  - Press. Drop Versus Supply Air CFM
    17
- Normal Maintenance
  18
- Cleaning Flue Passages and Heating Elements
  18
- Troubleshooting
  18

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