HTP RT-180 - Wiring Information; DIP Switches Configuration

28
LP-505 REV. 4.29.14
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 20 – 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.
NOTICE
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.
Figure 21 – Dip Switch Detail
DIP SWITCH GROUP
DIP SWITCH
OFF
ON
1 – 3
NOT USED
NOT USED
4
NOT USED
NOT USED
5
Gas Type
LP
NG
6
High Fire
Normal
High Fire
7
Low Fire
Normal
Low Fire
Table 16 – DIP Switch Group