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To avoid water damage or scalding due to valve
operation, drain pipe must be connected to valve outlet
and run to a safe place of discharge. Drain pipe must be
the same size as the valve discharge connection through-
out its entire length and must pitch downward from the
valve. No shutoff valve shall be installed between the relief
valve and the drain line. Valve lever should be tripped at
least once a year to ensure that waterways are clear.
ELECTRICAL WIRING
NOTE: If it is necessary to replace any of the original
wiring, it must be replaced with 105°C wire or its
equivalent, except all black wires must be replaced
with 150°C wire or its equivalent.
NOTE: Heaters are factory wired for 240V power
supply, except Cal Code units wired for 120V Power
Supply.
The Electronic Intermittent Ignition Device automati-
cally lights the pilot and main burners upon a call for the
heat. The heater is supplied with a dual voltage trans-
former for 120V or 240V input power hookup.
14
S8600 IGNITION CONTROL
Fig. #8929.1
For 120 V input power to the unit, connect the black
wire to the “L1” or hot leg of the power supply. Connect
the white wire to the “L2” or neutral leg of the power
supply. Attach the wire nut to the red wire. There should
be no connection to the red wire for 120V operation.
Fig. #9240
For 240 V input power to the unit, connect the black
wire to the “L1” or hot leg of the power supply. Connect
the red wire to the “L2” or second hot leg of the power
supply. Attach the wire nut to the white wire. There should
be no connection to the white wire for 240V operation.
Fig. # 9241
Heater must be electrically grounded and bonded in
accordance with local codes, or, in the absence of local
codes, with the latest edition of the National Electrical
code, ANSI/NFPA 70.
NOTE: Input power to the heater (120/240V) should be
supplied from the load (Pump) side of time clock or
switch. Connecting heater to continuous power source
will allow "Fail" indications (service and pressure switch)
when pump is not operating.