Installation Guide and Manual

13
Shutdown Process (Normal, Emergency, and Long Term)
Shut Down Procedure
Important - Read and fully understand all steps outlined below before proceeding. Failure to do so may damage
the water heater and void any warranty. Technical support is available at 1 [phone]
Step
Category
Action
Confirmed By
Notes
Normal Shut Down Procedure
1
Normal
Shut power off to unit in order of sequence - In-door (on-door)
disconnect (if applicable) local disconnect, main breaker - perform
lock out procedure per facilities requirements
2
Normal
Close applicable water valves - Inlet and outlet (water heater will
not be drained)
Emergency Shut Down Procedure
1
Emergency
Shut power off to unit In-door (on door) disconnect (if applicable) or
local disconnect
2
Emergency
Shut water valves off - inlet and outlet (water heater will not be
drained)
3
Emergency
Complete lock out procedures per facilities requirements
4
Emergency
Notify all parties involved that water heaters are shut down
Long Term Shut Down Procedure
1
Long Term
Shut power off to unit in order of sequence - Indoor disconnect (if
applicable) local disconnect, main breaker - perform lock out
procedure per facilities requirements
2
Long Term
Close applicable water valves - Inlet and outlet (water heater will
not be drained)
3
Long Term
Drain water heater through plumbing network, run compressed air
through the water heater to ensure the heater is completely
drained
4
Long Term
Lock out all applicable water valves per facilities procedures