Trane SEHG90 Manuals

Manuals and User Guides for Trane SEHG90. We have 1 Trane SEHG90 manual available for free PDF download: Installation Operation & Maintenance

Trane SEHG90 Installation Operation & Maintenance

Trane SEHG90 Installation Operation & Maintenance (116 pages)

Commercial Single-Zone Rooftop Air Conditioners with CV or VAV Controls

Brand: Trane | Category: Air Conditioner | Size: 6.61 MB

Table of Contents

About the Manual

2
General Information

4
Installation

14
Unit Start-Up

55
- Cooling Sequence of Operation
  55
- Gas Heating Sequence of Operation
  56
- Fenwal Ignition System
  56
- Honeywell Ignition System
  56
- Modulating Gas Sequence of Operation
  57
- Flame Failure
  57
- Electric Heat Sequence of Operation
  58
- Wet Heat Sequence of Operation
  58
- Electrical Phasing
  59
- Voltage Supply and Voltage Imbalance
  60
- Service Test Guide for Component Operation
  61
- Verifying Proper Fan Rotation
  63
- If All of the Fans Are Rotating Backwards
  63
- System Airflow Measurements
  63
- Constant Volume Systems
  63
- Variable Air Volume Systems
  65
- Exhaust Airflow Measurement
  66
- Traq TM Sensor Airflow Measurement
  66
- Economizer Damper Adjustment
  80
- Compressor Start-Up
  82
- Compressor Operational Sounds
  83
- Thermostatic Expansion Valves
  95
- Charging by Subcooling
  95
- Low Ambient Dampers
  95
- Electric, Steam and Hot Water Start-Up
  96
- Gas Furnace Start-Up
  96
- Two Stage Gas Furnace
  97
- Full Modulating Gas Furnace
  99
- Limited Modulating Gas Furnace
  100
- Final Unit Checkout
  101
Service & Maintenance

102
- Fan Belt Adjustment
  106
- Scroll Compressor Replacement
  107
- VFD Programming Parameters
  108
- Monthly Maintenance
  109
- Filters
  109
- Cooling Season
  109
- Heating Season
  110
- Coil Cleaning
  110
- Final Process
  112
- Index
  113
- Warranty
  116

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