Trane Horizon OAKD Series

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Appendix

OAU-SVX007A-EN 109

Figure 150. BAYSENS036A installation instructions

Main Page

Table of Contents6
Model Number Descriptions9
Horizon Outdoor Air Unit9
Model: OAK Rev5 and OAN Rev59
Horizon Outdoor Air Unit12
Model: OADG Rev6 and OANG Rev612
Horizon Outdoor Air Unit15
Model: OAB Rev5 and OAG Rev515
General Information18
Overview of Manual18
Model Number Description18
Unit Nameplate18
Compressor Nameplate18
Unit Description18
Indoor Fan Failure Input18
Low Pressure Control Reliatel Control18
High Pressure Control Reliatel Control18
Space Temperature/Rh Sensor (Optional)18
Outdoor Air Temperature and Relative Humidity Sensor19
Hot Gas Reheat19
Percent Outdoor Air Hood with Damper and Filters19
Modulating Indirect Fired Gas Burner19
Through the Base Electrical with Disconnect19
Switch19
Through the Base Gas Piping19
Hinged Access Doors19
Modulating Electric Heat19
Supply and Exhaust Piezo Fan Rings19
Exhaust Dampers20
Primary Heaters20
Space Temperature/Humidity Sensor21
Fans21
Filter Status Switches22
Airflow Monitoring22
Unit Inspection23
First Aid Measures23
Unit Clearances23
Unit Clearances, Curb Dimensions, and Dimensional Data24
OAK Units24
OAN Units27
Curb Dimensions28
Dimensional Data29
OAB Units31
Indirect-Fired OAG Units33
Outdoor WSHP Units36
OABE Units36
Indirect-Fired OAGE Units38
OAKE Units41
OANE Units43
Curb Dimensions44
Dimensional Data45
Indoor WSHP Units46
OABE Units46
OAGE Units47
OAKE Units49
OANE Units50
OAD Units52
Unit Clearances52
Curb Dimensions53
Dimensional Data54
OAN Units57
Unit Clearances57
Curb Dimensions57
Dimensional Data59
Unit Weight and Rigging62
Unit Weight62
Corner Weight64
Corner Weight66
Rigging66
Rigging67
Unit Weight68
Rigging70
Rigging72
Installation74
Ductwork74
Units with Indirect Fired Gas Heat74
General Unit Requirements75
Condensate Drain Configuration75
Main Electrical Power Requirements76
Hot Water Control Valve Wiring76
Chilled Water Connection Size and Location76
Filter Installation77
Opening the Collapsed Exhaust Damper Hood77
Field Installed Power Wiring78
Horizon Water Source Heat Pump Field Connection Instructions79
OAB if Heater Air Inlet Hood and Flue Assembly Instructions for Outdoor Installations80
Venting of Furnace for Indoor Installations82
Hot Water Connection Size and Location84
Main Unit Power85
Standard Wiring85
Voltage Imbalance85
Electrical Phasing (Three-Phase Motors)86
Compressor Crankcase Heaters87
Main Unit Display and Reliatel Controls87
Field-Installed Control Wiring87
Control Power Transformer87
Controls Using 24 Vac88
Controls Using DC Analog Input/Output (Standard Low Voltage Multiconductor Wire)88
DC Conductors89
Factory-Provided Sensors89
Pre-Start up90
Start-Up90
Cooling Start-Up90
Start-Up92
Indirect Fired Gas Heating Start-Up92
Start-Up Procedure93
Safety Controls95
Maintenance96
Monthly Maintenance96
Filters96
Filter Installation96
Supply/Return Air Smoke Detector Maintenance96
Cooling Season96
Heating Season96
Condenser Coil Cleaning97
Final Process98
Alarms and Troubleshooting99
Microprocessor Control99
System Alarms99
Sensor Failure Alarm Display99
RTRM Failure Modes100
Appendix106
OAU Filter Guide106
Field Installation of Factory-Provided Sensors108
Sequence of Operation V12.0114
Occupied Control114
Supply Fan Operation114
Economizer Operation114
Ventilation Mode115
Dehumidification Mode115
Heating and Cooling Mode117
Heating Mode117
Cooling Mode117
Exhaust Fan Starting Sequence117
Exhaust Fan Operation117
Energy Recovery Wheel (ERV)118
Additional Details on Operation118
Evaporator Coil Frost Protection118
Hot Gas Reheat118
Heat Pump Operation119
Air Source Heat Pumps119
Split/Dual Exhaust and Return Air Paths120
Start-Up Form121
Trane® Horizon™ DOAS121
Pre-Startup Checklist121
Voltages121
Motor Data122
Compressor Data122
Actuators122
Refrigeration Startup123
Test Procedures123
Indirect Fired Gas Heat Start-Up124
Furnace Data124
Gas Pressure Settings124
Electric Heat Start-Up124
Heater Data124
Direct Fired Gas Heat Start-Up125
Final Notes126
Limited Warranty 1-Year Manufacturer Parts Warranty127
Horizon Models127

Trane Horizon OAKD Series - Page 109

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