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General| Brand | Greenheck |
|---|---|
| Model | PVG |
| Category | Gas Heater |
| Language | English |
Location and recording of the unit's model number.
How to find and calculate the burner turndown ratio.
Location of the unit's serial number for identification.
Information on ETL testing and recognition for gas-fired heat modules.
List and location of components in a typical control center.
Diagram illustrating the control flow for electronic modulation.
Details on microprocessors, sensors, controllers, valves, and other parts.
How electronic modulation achieves variable firing rates.
Operation of two-stage valves for 2:1 turndown.
Various combinations of turndown control options.
General installation rules for outdoor venting.
Instructions for installing an optional exhaust stack.
Description of standard venting using building air for combustion.
Table for selecting the correct vent pipe diameter.
Procedures for installing the exhaust vent pipe.
Specific guidance for horizontal concentric venting.
Table for vent connection diameters for concentric systems.
Minimum and maximum vent lengths, including elbow equivalents.
Guidance on choosing the correct CVA location.
How to attach mounting brackets for the CVA.
Table for vent connection diameters for vertical concentric systems.
Minimum and maximum vent lengths for vertical systems.
Guidance on choosing the correct CVA location.
How to attach mounting brackets for the CVA.
Table for vent connection diameters for horizontal two-pipe systems.
Minimum and maximum vent lengths for horizontal two-pipe systems.
Minimum and maximum vent lengths for vertical two-pipe systems.
Table for vent connection diameters for vertical two-pipe systems.
Procedure for performing leak tests on gas piping.
Steps for connecting the gas supply line to the unit.
Initial checks and standby operation sequence.
Step-by-step process when the unit is in heat mode.
Procedure for recovering the unit from a lockout state.
Description and features of single stage gas valves.
Description and features of two stage gas valves.
Description and features of Selectra valves for modulation.
Description and features of modulating gas valves.
Specific start-up procedures for 4:1 turndown modulation.
Step-by-step guide to set the high fire pressure.
Step-by-step guide to set the low fire pressure.
Meanings of green LED codes for normal operation.
Meanings of red LED codes for error conditions.
Causes and troubleshooting for airflow faults (6 red flashes).
Causes and troubleshooting for flame faults (2 red flashes).
Diagnostic flowchart for a furnace not lighting.
Diagnostic flowchart for a 2:1 modulating furnace not lighting.
Diagnostic flowchart for an 8 stage furnace not lighting.
Diagnostic flowchart for single or 2:1 stage furnaces not lighting.
Explanation of LED status lights on the controller.
Description of the controller's buttons and interface.
How the FX controller manages furnaces without microprocessors.
Guide to accessing and using the controller's program mode.
Information on the optional inlet air sensor.
Explanation of the discharge air temperature setting.
How to display the outside air temperature.
Procedure to set the controller to high fire mode.
How to return the controller to normal operation.
How to access setpoints, discharge air, inlet air, and room override.
Procedures for blower motor, burners, orifices, heat exchanger, flue collector.
Annual checks for electrical wiring, gas train tightness, and parts.
