Installation Guide and Manual

19
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