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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.
A. 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 17 – DIP Switch Group
MAXIMUM FLAME DETECTING VOLTAGE
PRE-PURGE TIME (Tp)
SAFETY TIME (IGNITING TIME) (Ts)
IGNITING INTERVAL TIME
POST-PURGE TIME (Tip)
OVER-HEATING 1,2,3 PROTECTION DETECTION TIME
TEMPERATURE SENSOR FAULT DETECTION TIME
# OF IGNITION ATTEMPTS (Ntl)
DHW SET TEMPERATURE RANGE
DHW OFF TEMPERATURE
DHW ON TEMPERATURE
DHW WATER ON MINIMUM WATER FLOW
DHW WATER OFF MINIMUM WATER FLOW
Table 18 – System Control Settings
7
6
Figure 27 - Dip Switch Detail
NOT USED
Flow Control Valve
Gas Type
High Fire
Low Fire
5
4
3
2
1
ON
OFF
NOT USED
Activated
LP
Normal
Normal
Maximum 10 seconds, minimum 1 second
º
95
F – 140
DHW Target Temperature + DHW Differential Temperature
Below DHW Target Temperature 9
.5 gallons (2 liters) (12Hz)
.4 gallons (1.5 liters) (8Hz)
ON
Deactivated
NG
High Fire
Low Fire
2.5V
3.5 seconds
<10 seconds
3 minutes
<1 second
<2 seconds
10
º
º
º
F (35
C – 60
C)
º
º
18
F (10
C)
º
º
F (5
C)
45
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