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Horizon OAG Series
Trane Horizon OAG Series Manuals
Manuals and User Guides for Trane Horizon OAG Series. We have
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Trane Horizon OAG Series manual available for free PDF download: Installation, Operation And Maintenance Manual
Trane Horizon OAG Series Installation, Operation And Maintenance Manual (60 pages)
Outdoor Air Unit, Direct Gas-Fired
Brand:
Trane
| Category:
Air Conditioner
| Size: 7.44 MB
Table of Contents
Important Responsible Refrigerant Practices
2
Table of Contents
6
Model Number Descriptions
8
Horizon Outdoor Air Unit
8
General Information
11
Overview of Manual
11
Model Number Description
11
Unit Nameplate
11
Compressor Nameplate
11
Unit Description
11
Indoor Fan Failure Input
11
Low Pressure Control Reliatel Control
11
Refrigerant Circuits
11
High Pressure Control Reliatel Control
11
Space Temperature / RH Sensor (Optional)
12
High Temperature Sensor
12
Outdoor Air Temperature and Relative Humidity Sensor
12
Control Input (Occupied / Unoccupied)
12
Hot Gas Reheat
12
Percent Outdoor Air Hood with Damper and Filters
12
Through the Base Electrical with Disconnect Switch
12
Hinged Access Doors
12
Unit Inspection
12
First Aid Measures
13
Storage
13
Unit Clearances
13
Unit Clearances, Curb Dimensions, and Dimensional Data
14
Direct-Fired OAB Units
14
Direct-Fired OAG Units
15
Unit Weight and Rigging
16
Unit Weight
16
Rigging
17
Installation
18
Ductwork
18
General Unit Requirements
18
Main Electrical Power Requirements
19
Condensate Drain Configuration
19
Filter Installation
19
Field Installed Power Wiring
20
Main Unit Power
21
Standard Wiring
21
Voltage Imbalance
21
Electrical Phasing (Three-Phase Motors)
22
Compressor Crankcase Heaters
23
Main Unit Display and Reliatel Controls
23
Field-Installed Control Wiring
23
Control Power Transformer
23
Controls Using 24 Vac
24
Controls Using DC Analog Input/Output (Standard Low Voltage Multiconductor Wire)
24
DC Conductors
25
System Configuration and Pre-Start
26
Startup
29
Direct Heating Startup
29
Direct Gas-Fired Heating Start-Up Procedure
30
Initiate
32
Standby
33
Normal Start-Up Pre-Purge
33
Ignition Trials
33
Run
33
Settings and Adjustments
34
Operation of the Direct Spark Ignition Control Gas Valve
34
Maintenance
36
Monthly Maintenance
36
Filters
36
Supply/Return Air Smoke Detector Maintenance
36
Cooling Season
36
Heating Season
36
Condenser Coil Cleaning
36
Direct-Fired Unit Maintenance Schedule
38
Lubrication Requirements
39
Pillow Block Bearings
40
Frequency of Lubrication
40
Dampers
40
Air Filters
40
Belt Tensions and Adjustments
41
Suggested Belt Tension Method
41
Gaskets
41
Annual Maintenance
41
Heater Maintenance
41
Inspection and Maintenance of Gas Ports
43
Final Process
43
Performance Data
45
Superheat and Refrigeration Circuit Data
49
Alarms and Troubleshooting
51
Microprocessor Control
51
System Alarms
51
Sensor Failure Alarm Display
51
RTRM Failure Modes
53
Airflow Troubleshooting
53
Direct-Fired OAB and OAG Unit Flame Relays £ 400 Mbh
54
Direct-Fired OAG Unit Flame Relays
55
400 Mbh
55
Appendix
59
OAU Filter Guide
59
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