Service Check List - State Water Heaters SandBlaster SBD71 120 Service Handbook

V. WATER PIPING
Is the system properly sized?
Is the system properly installed?
Are there any water leaks?
Does the installation have a recirculating system?
If so, is it operational?
VI. PROPER SEQUENCE OF OPERATION
During standby does damper close on standby?
During standby is pilot flame off?
On a call for heat does thermostat close?
On a call for heat does damper open completely?
Does sparking begin at pilot?
Is pilot flame established?
If so, does sparking stop?
Does main burner ignite?
Does the thermostat satisfy?
Does damper close?
Comments:
VII. SAFETY
A. Gas
Does pilot flame prove before main burner ignites?
Does damper blade fully open before ignition sequence occurs?
Is burner cover plate in place?
Is burner floor shield in place?
Does IID lockout occur after 30 sec. trial for ignition? (Propane models only)
B. Water Temperature
Is the thermostat adjusted to the lowest acceptable temperature?
Does the installation have a mixing valve?
If so, is it operational?
What is the outlet temperature of the mixing valve?
Is a properly rated temperature and pressure relief valve installed?
C. Electrical
Is the 120 VAC electrical power supply properly wired?
Are all the SBD control covers in place?
Is the 120 VAC electrical power supply properly fused?
D. Flammables
Are flammable materials located in the area of the water heater?
Are flammable vapors located in the area of the water heater?
(This service checklist may be photo copied to assist with SBD service call.)
Technical Training Department
Ashland City, TN ©2003
SBD TANK TYPE HEATERS
SERVICE HANDBOOK
53
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