Trane Horizon OADG Series Installation, Operation And Maintenance Manual page 8

Table of Contents
Multi-Zone VAV Control . . . . . . . . . . . . . . 83
Space Control with Energy Recovery Wheel
or has Mixed Air . . . . . . . . . . . . . . . . . . . . 83
Space Control with No Energy Recovery
Wheel and 100% Outdoor Air . . . . . . . . . 83
Hot Gas Reheat Purge . . . . . . . . . . . . . . . 83
Supplemental Electric Reheat (Not Included
in Standard Operation) . . . . . . . . . . . . . . 83
Supplemental Hot Water Reheat . . . . . . 84
Hot Water Reheat (No Hot Gas Reheat In-
stalled) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
Exhaust Fan Operation
With Isolation Exhaust Fan Damper(s) . . 84
Without Isolation Exhaust Fan Dampers 84
With Modulating OA/RA Dampers . . . . . 84
ECM Exhaust with 2-Position OA Damper 84
VFD Exhaust with 2-Position OA Damper 84
Energy Recovery Wheel Operation (ERV)
Energy Wheel Without VFD . . . . . . . . . . . 84
Energy Wheel With VFD . . . . . . . . . . . . . 84
Additional Features
Electric Pre-Heat . . . . . . . . . . . . . . . . . . . . 84
Space Thumbwheel Input . . . . . . . . . . . . 84
Split Exhaust and Return Air Path . . . . . 84
Outdoor Airflow Monitoring . . . . . . . . . . 85
Optional Field Enabled Features
Demand Control CO2 Ventilation . . . . . . 85
Exhaust Fan Tracking . . . . . . . . . . . . . . . . 85
Static Pressure Control for Exhaust Fan . 85
Unoccupied Operation
Starting Sequence . . . . . . . . . . . . . . . . . . 85
With Return Air Damper Installed . . . . . . 85
No Return Air Damper Installed . . . . . . . 85
Unoccupied Heating Mode . . . . . . . . . . . 85
Unoccupied Dehumid Mode . . . . . . . . . . 85
Unoccupied Cooling Mode . . . . . . . . . . . 85
Diagnostics
. . . . . . . . . . . . . . . . . . . . . . . . . . 85
Sensor Source Failures . . . . . . . . . . . . . . 87
Economizer Fault Detection and Diagnostics
87
®
Trane Horizon™ DOAS
8
. . . . . . . . . . . . . . . . 84
. . . . . . . . . . . . . . . . . . . 84
. . . . . . . . 85
. . . . . . . . . . . . . . . . 85
. . . . . . . . . . . . . . . 88
Pre-Startup Checklist
Voltages . . . . . . . . . . . . . . . . . . . . . . . . . . .89
Motor Data . . . . . . . . . . . . . . . . . . . . . . . . .90
Compressor Data . . . . . . . . . . . . . . . . . . . .90
Actuators . . . . . . . . . . . . . . . . . . . . . . . . . . .90
Test Procedures . . . . . . . . . . . . . . . . . . . . .91
Furnace Data . . . . . . . . . . . . . . . . . . . . . . . .92
Gas Pressure Settings
Electric Heat Startup
Heater Data . . . . . . . . . . . . . . . . . . . . . . . . .92
Program Control Type (MV-13) . . . . . . . . .93
Description . . . . . . . . . . . . . . . . . . . . . . . . .93
Commissioning . . . . . . . . . . . . . . . . . . . . .93
84
. . . . . . . . . . . . . . . . . . .88
. . . . . . . . . . . . . . . . . .92
. . . . . . . . . . . . . . . . . . .92
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