Wiring Information; Dip Switches - Westinghouse WGRT 150 Series Installation Start-Up Maintenance Parts

ELECTRICAL SHOCK HAZARD – To ensure safety, turn off electrical power supply at service entrance panel before making any
electrical connections to avoid possible electric shock hazard. Failure to do so could result in property damage, serious personal injury,
or death.
A. WIRING INFORMATION
1. This water heater must be properly grounded. Ensure the electrical receptacle that the water heater will be plugged into is properly
grounded.
2. Do not attach the ground wire to either the gas or water piping.
Figure 37 – Proper Grounding – Internal Manual Power Switch
3. The wiring diagrams contained in this manual are to be used for reference purposes only.
4. Refer to these diagrams and the wiring diagrams of any external controls used with the installation when wiring the water heater.
Read, understand, and follow all wiring instructions supplied with the controls.
5. Do not disconnect the power supply when the water heater is in normal operation.
NOTE: For additional electrical protection, the use of a whole house surge protector is recommended. Damage caused by power
surges is not covered by the warranty.
If the water heater display does not come ON, first check the plug. Also check the electrical panel circuit breaker and reset it if
necessary. If the circuit breaker trips again, do not reset. Disconnect the plug and have a qualified technician diagnose the problem.
B. DIP SWITCHES
There is one DIP switch. DIP switches 6 and 7 need to be set to OFF for the water heater to operate normally.
DIP SWITCH GROUP
DIP SWITCH
1 – 3
4
5
6
7
Table 22 – DIP Switch Group
NOTICE
Figure 38 – Dip Switch Detail
Factory Set
Flow Control Valve
Gas Type
High Fire
Low Fire
OFF
Factory Set
Activated
LP
Normal
Normal
45
ON
Deactivated
NG
High Fire
Low Fire
WHL-004 REV. 5.26.17