User Manuals: Weather-Rite XT118 Air Handler

Manuals and User Guides for Weather-Rite XT118 Air Handler. We have 1 Weather-Rite XT118 Air Handler manual available for free PDF download: Installation, Operation & Service Manual

Weather-Rite XT118 Installation, Operation & Service Manual (98 pages)

XT-Series Direct, Gas-Fired, Industrial Air Handler

Brand: Weather-Rite | Category: Air Handlers | Size: 6 MB

Table of Contents
5
Table of Contents

7
SECTION 1: Air Handler Safety

7
SECTION 2: Installer Responsibility

9
- Wall Tag
  9
- Corrosive Chemicals
  9
- National Standards and Applicable Codes
  10
- Required Equipment
  10
SECTION 3: Critical Considerations

11
- Required Clearances to Combustibles
  11
- Purge of Supply Duct
  12
- Hardware
  12
SECTION 4: National Standards and Applicable Codes

13
- Gas Codes
  13
- Installation Codes
  13
- Aircraft Hangars
  13
- Parking Structures and Repair Garages
  13
- Electrical
  13
- Venting
  13
- High Altitude
  13
SECTION 5: Specifications

14
SECTION 6: Lifting an Air Handler

16
- Lifting an Air Handler
  16
SECTION 7: Roof Curb

18
- Roof Curb Assembly and Installation
  18
- Air Handler Mounting to Roof Curb
  20
SECTION 8: Legs for Horizontal Mounting

21
- Leg Mounting
  21
- Leg Mounting - Horizontal Air Handler
  21
SECTION 9: Upright Installation

22
- Upright Leg Assembly
  22
- Upright Installation
  22
- Attaching Air Handler
  22
SECTION 10: Filter Section

27
SECTION 11: Inlet Hood

29
- Inlet Hood Assembly
  29
SECTION 12: Dampers

36
- Discharge Damper
  37
- Inlet Damper
  37
SECTION 13: Discharge Heads and Splash Plates

38
- Three-Way Discharge Head Installation
  38
- Splash Plate Installation
  39
SECTION 14: Duct Considerations

41
- Inlet Duct Work
  41
- Return Duct Work
  41
- Discharge Duct Work
  41
SECTION 15: Gas Piping

42
- Gas Manifolds
  42
- Gas Piping and Pressures
  42
- Gas Manifold Venting
  42
- Gas Piping
  45
- Pressure Test Ports
  45
- Line Pressure Test - Leak Testing
  45
SECTION 16: Electrical

46
- Disconnect Fuse Sizing
  47
- Wiring and Electrical Connections
  47
- Remote Panel
  47
- Motor Current Draw
  47
- Control Current Draw
  48
- Safety Systems
  48
- Interlocks
  51
- Control Options
  51
SECTION 17: Sequence of Operation

53
SECTION 18: Direct Fired Burner

61
- Direct Fired Burner Ignition
  62
- Direct Fired Burner Flame Proving (Flame Rod)
  63
SECTION 19: Direct Fired Process Air Heaters

64
SECTION 20: Start-Up Procedures

67
- Installation of Recirculating Air Handler
  68
- Mechanical
  68
- Electrical
  69
- Airflow
  69
- Gas Piping and Initial Pressure Settings
  70
- Safety Shut off Valve Check
  72
- Temperature Control System Calibration
  72
SECTION 21: Maintenance

75
- General
  76
- Unit Exterior
  76
- Blower Section
  76
- Manifold and Controls
  79
- Burner
  79
- Optional Equipment
  80
SECTION 22: Replacement Parts

81
SECTION 23: Troubleshooting

85
- Initial Checks
  86
- Motor and Blower
  86
- Burner
  87
- Temperature Controls
  88
- A1014 Amplifier - Field Checklist
  89
- A44 Amplifier - Field Service Checklist
  91
SECTION 24: WEATHER-RITE XT-Series Start-Up Proce- Dures

93
SECTION 25: the WEATHER-RITE ™ XT-Series Warranty

95

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User Manuals: Weather-Rite XT118 Air Handler

Weather-Rite XT118 Installation, Operation & Service Manual (98 pages)

Table of Contents

Table of Contents

SECTION 1: Air Handler Safety

SECTION 2: Installer Responsibility

SECTION 3: Critical Considerations

SECTION 4: National Standards and Applicable Codes

SECTION 5: Specifications

SECTION 6: Lifting an Air Handler

SECTION 7: Roof Curb

SECTION 8: Legs for Horizontal Mounting

SECTION 9: Upright Installation

SECTION 10: Filter Section

SECTION 11: Inlet Hood

SECTION 12: Dampers

SECTION 13: Discharge Heads and Splash Plates

SECTION 14: Duct Considerations

SECTION 15: Gas Piping

SECTION 16: Electrical

SECTION 17: Sequence of Operation

SECTION 18: Direct Fired Burner

SECTION 19: Direct Fired Process Air Heaters

SECTION 20: Start-Up Procedures

SECTION 21: Maintenance

SECTION 22: Replacement Parts

SECTION 23: Troubleshooting

SECTION 24: WEATHER-RITE XT-Series Start-Up Proce- Dures

SECTION 25: the WEATHER-RITE ™ XT-Series Warranty

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