State Industries SANDBLASTER SBD85 500 User Manual

Page 54

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SBD TANK TYPE HEATERS

SERVICE HANDBOOK

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Ashland City, TN ©2003

53

V.

WATER PIPING

Is the system properly sized?

yes

no

Is the system properly installed?

yes

no

Are there any water leaks?

yes

no

Does the installation have a recirculating system?

yes

no

If so, is it operational?

yes

no

VI.

PROPER SEQUENCE OF OPERATION

During standby does damper close on standby?

yes

no

During standby is pilot flame off?

yes

no

On a call for heat does thermostat close?

yes

no

On a call for heat does damper open completely?

yes

no

Does sparking begin at pilot?

yes

no

Is pilot flame established?

yes

no

If so, does sparking stop?

yes

no

Does main burner ignite?

yes

no

Does the thermostat satisfy?

yes

no

Does damper close?

yes

no

Comments:

VII.

SAFETY

A. Gas

Does pilot flame prove before main burner ignites?

yes

no

Does damper blade fully open before ignition sequence occurs?

yes

no

Is burner cover plate in place?

yes

no

Is burner floor shield in place?

yes

no

Does IID lockout occur after 30 sec. trial for ignition? (Propane models only)

yes

no

B. Water Temperature

Is the thermostat adjusted to the lowest acceptable temperature?

yes

no

Does the installation have a mixing valve?

yes

no

If so, is it operational?

yes

no

What is the outlet temperature of the mixing valve?

Is a properly rated temperature and pressure relief valve installed?

yes

no

C. Electrical

Is the 120 VAC electrical power supply properly wired?

yes

no

Are all the SBD control covers in place?

yes

no

Is the 120 VAC electrical power supply properly fused?

yes

no

D. Flammables

Are flammable materials located in the area of the water heater?

yes

no

Are flammable vapors located in the area of the water heater?

yes

no

(This service checklist may be photo copied to assist with SBD service call.)

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