Trane Horizon OAND648A Manuals

Manuals and User Guides for Trane Horizon OAND648A. We have 1 Trane Horizon OAND648A manual available for free PDF download: Installation, Operation And Maintenance Manual

Trane Horizon OAND648A Installation, Operation And Maintenance Manual

Trane Horizon OAND648A Installation, Operation And Maintenance Manual (76 pages)

Outdoor Air Unit, Indirect Fired Gas/Electric Heat/Air Source Heat Pump

Brand: Trane | Category: Heat Pump | Size: 12.06 MB

Table of Contents

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
Hot Gas Reheat
12
Percent Outdoor Air Hood with Damper and Filters
12
Modulating Indirect Fired Gas Burner
12
Through the Base Electrical with Disconnect Switch
12
Through the Base Gas Piping
12
Hinged Access Doors
12
Modulating Electric Heat
12
Unit Inspection
13
First Aid Measures
13
Storage
13
Unit Clearances
13
Unit Clearances, Curb Dimensions, and Dimensional Data
14
OAK Units
14
OAN Units
18
Unit Weight and Rigging
22
Unit Weight
22
Rigging
24
Installation
25
Ductwork
25
General Unit Requirements
25
Main Electrical Power Requirements
26
Condensate Drain Configuration
26
Chilled Water Connection Size and Location
27
Filter Installation
27
Field Installed Power Wiring
27
Main Unit Power
28
Standard Wiring
29
Voltage Imbalance
29
Electrical Phasing (Three-Phase Motors)
30
Compressor Crankcase Heaters
30
Main Unit Display and Reliatel Controls
31
Field-Installed Control Wiring
31
Control Power Transformer
31
Controls Using 24 Vac
32
Controls Using DC Analog Input/Output (Standard Low Voltage Multiconductor Wire)
32
DC Conductors
33
Factory-Provided Sensors
33
Pre-Start Check List
34
System Configuration and Pre-Start
35
Startup
38
Indirect Fired Gas Heating Startup
38
Startup Procedure
39
Safety Controls
42
Maintenance
43
Monthly Maintenance
43
Filters
43
Supply/Return Air Smoke Detector Maintenance
43
Cooling Season
43
Heating Season
43
Condenser Coil Cleaning
44
Final Process
45
Performance Data
47
Superheat and Refrigeration Circuit Data
57
Non-Heat Pump Units
57
ASHP Units
61
Alarms and Troubleshooting
65
Microprocessor Control
65
System Alarms
65
Sensor Failure Alarm Display
65
RTRM Failure Modes
67
Variable Speed VFD Troubleshooting
67
Appendix
68
OAU Filter Guide
68
Field Installation of Factory-Provided Sensors
69
Horizon™ Dedicated Outdoor Air Unit Startup Form
73

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