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Trane Horizon OAB Series - Page 7

Trane Horizon OAB Series
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Table of Contents
OAU-SVX005C-EN 7
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 >
400 MBh . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Appendix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
OAU Filter Guide . . . . . . . . . . . . . . . . . . . . . 59

Table of Contents

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