8
4) COMMISSIONING THE HEATER
BEFORE SWITCHING THE ELECTRICAL BREAKER “ON”, MAKE SURE THE INLET AND
OUTLET BALL VALVES ARE FULLY OPEN AND WATER IS FLOWING THROUGH THE HOT
WATER FAUCET FOR A MINUTE OR TWO UNTIL THE FLOW IS CONTINUOUS AND FREE FROM AIR POCKETS. DO
NOT SWITCH THE BREAKER “ON” IF THERE IS A POSSIBILITY THE WATER IN THE HEATER IS FROZEN.
1. Make sure water is flowing through the faucet.
2. Switch “ON” the electric power supply at the breaker.
2. The power leads are to be secured to the L1 and L2 or L
and N connectors on the terminal block or relay. The
ground lead is to be secured to the GND connector on the
block or the green ground wire with the provided wire nut.
FAILURE TO GROUND THE SYSTEM MAY RESULT IN SERIOUS INJURY, DEATH AND/OR
PROPERTY DAMAGE.
3. Leave the breaker in the “OFF” position. Proceed to the
next section:
COMMISSIONING THE HEATER
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