Mega-Stor Indirect Fired Water Heater Installation Manual

FIGURE 8.4: ZONE VALVE WIRING

(2-WAY VALVES, PRIORITY)

IX. START-UP AND CHECK-OUT

1) Make sure that the system is free of leaks and that air is purged from the system.

WARNING

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IMPORTANT

Fix any leaks found before proceeding further. Leakage from

the boiler piping can result in severe damage to the boiler.

 



ticularly important if the Mega-Stor will be unused for an extended period of time after installation. Flush the Mega-Stor

by drawing at least three times its volume from the tank.

3) Make sure that all electrical connections are correctly made and that no exposed high voltage wiring is present.

4) Temporarily disable the burner.

5) Make sure that each zone valve or circulator operates when, and only when, its thermostat calls for heat. Let each zone

operate long enough to purge any remaining air from the system.

6) Re-enable the burner and allow the Mega-Stor zone to operate. Make sure that the Mega-Stor aquastat shuts down the

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7) The setting of Mega-Stor aquastat temperature control determines the maximum water temperature in the tank. The

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