Technical Documents

3
GENERAL SAFETY INFORMATION
When servicing this unit, verify the power to the unit is turned off prior to opening the control cabinet door.
PRECAUTIONS
DO NOT USE THIS APPLIANCE IF ANY PART HAS BEEN UNDER
        
the appliance and to replace any part of the control system which
has been under water.
If the unit is exposed to the following, do not operate heater until all

 
2. Damage.
3. Firing without water.
GROUNDING INSTRUCTIONS
This water heater must be grounded in accordance with the National
Electrical Code and/or local codes. These must be followed in all cases.
Failure to ground this water heater properly may also cause erratic
control system operation on ELECTRONIC CONTROL models.
This water heater must be connected to a grounded metal, permanent
wiring system, or an equipment grounding conductor must be run with
the circuit conductors and connected to the equipment grounding
terminal or lead on the water heater.
HYDROGEN GAS (FLAMMABLE)
Hydrogen gas can be produced in a hot water system served by this heater


under these conditions, it is recommended that the hot water faucet be
opened for several minutes at the kitchen sink before using any electrical
appliance connected to the hot water system. If hydrogen is present there
will probably be an unusual sound such as air escaping through the pipe

OPEN FLAME NEAR THE FAUCET AT THE TIME IT IS OPEN.