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General| BTU Output | 400, 000 BTU |
|---|---|
| Fuel Type | Natural Gas |
| Heat Exchanger | Cupro Nickel |
| Control Type | Digital |
| Ignition Type | Direct Spark |
Factors influencing heater sizing for pools and spas, including temperature rise.
Provides charts for sizing gas pipe for natural and propane gas systems.
Procedures for leak testing the gas connection and supply lines.
Explains requirements for proper burner operation and troubleshooting low pressure.
Covers grounding, wiring requirements, and power supply for the heater.
Critical safety instructions to follow before lighting the appliance.
Step-by-step guide for turning the heater on and off.
Lists fault codes displayed by the control system and their meanings.
Guides on inspecting and cleaning the external surfaces of the heat exchanger.
Provides step-by-step instructions for removing the heat exchanger.
Details inspection and cleaning of internal heat exchanger tubes for lime scale.
Step-by-step instructions for removing the burner assembly.
Instructions for replacing the gas valve, warning against repair attempts.
Explains the function of high limit safety devices wired in series.
Details preset adjustment and how to adjust the water pressure switch.
Explains the automatic by-pass valve function and potential issues.
Explains the thermal control valve's role in preventing condensation.
Completes the diagnostic guide for fault codes AO, HS, HF.
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