Bananza UHAT150 Installation, Operation & Service Manual

Contents

Table Of Contents
Table Of Contents
SECTION 1: Heater Safety
Figure 1: UHA[T][M][X][S]150 - 250 Label Placement
Figure 2: UHA[T][M][X][S]300 - 400 Label Placement
SECTION 2: Installer Responsibility
SECTION 3: Critical Considerations
SECTION 4: Clearances TO combustibles
Figure 3: Installation Clearances and Clearances to Combustibles
SECTION 5: National Standards and Applicable Codes
SECTION 6: Heater installation
SECTION 7: Venting
Horizontal Venting
Figure 5: Vent and Roof Detail
Figure 6: Standard Vented Heater - Vertical and Horizontal Vent Termination
Figure 7: Standard Vented Heater - Common Vertical Vent Termination
Figure 8: Separated Combustion Heater - Vertical and Horizontal Vent Termination
SECTION 8: Air Supply
SECTION 9: Gas Piping
Figure 11: Gas Connection
SECTION 10: Wiring
10.2 Low Voltage Thermostat for Models UHA[T][M][X][S
UHA[X][S] Series Internal Wiring Diagram for Single Stage Gas Valves
UHA[X][S] Series Ladder Wiring Diagram for Single Stage Gas Valves
UHA[T][X][S] Series Internal Wiring Diagram for Two Stage Gas Valves
UHA[T][X][S] Series Ladder Wiring Diagram for Two Stage Gas Valves
UHA[M][X][S] Series Internal Wiring Diagram for Modulating Gas Valves
UHA[M][X][S] Series Ladder Diagram for Modulating Gas Valves
Electrical Connection to the Heater
SECTION 11: Operation and Maintenance
Begin Start-Up
Figure 13: Single Stage Gas Valve for Models UHA[X][S] 150 - 400
Figure 15: Modulating Gas Valve for Models UHA[M][X][S] 150 - 400
Pressure Switch
SECTION 12: User Instructions
Figure 16: LED Diagnostic Codes
SECTION 13: Servicing
Heat Exchanger Maintenance
SECTION 14: Troubleshooting
General
Troubleshooting For Automatic Ignition Burner Systems
Troubleshooting for Flame Supervision System
Troubleshooting for Gas Valves
SECTION 15: Replacement Parts
Burner Compartment for Models UHA[T][M][X][S] 150-400
Ignition Electrode and Flame Probe for Models UHA[T][M][X][S] 150-400
Heat Exchanger
Flue Blower for Models UHA[T][M][X][S] 150-300
Flue Blower for Models UHA[T][M][X][S] 350-400
Limit Switches
SECTION 16: Specifications
General Technical Data Table
UHA[T][M][X][S] 300-400

Bananza UHAT150 Installation, Operation & Service Manual Manual pdf 39 page image

SECTION 11: OPERATION AND MAINTENANCE31 of 59Figure 13: Single Stage Gas Valve for Models UHA[X][S] 150 - 400½PSI INCONOFFRegulatorOutletPressureGas InletI l t PTOP VIEWEND VIEWDescription Part NumberGas Valve 150 - 250 NG 90032505Gas Valve 150 - 250 LP 90032506Gas Valve 300 - 400 NG 90032520Gas Valve 300 - 400 LP 90032521Figure 14: Two Stage Gas Valve for Models UHA[T][X][S] 150 - 400½PSI INCONOFFLOHIRegulatorOutletPressureGas InletInlet PressureTOP VIEWEND VIEWDescription Part NumberGas Valve 150 - 250 NG 90032530Gas Valve 150 - 250 LP 90032531Gas Valve 300 - 400 NG 90032532Gas Valve 300 - 400 LP 90032533

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