REMOVE/INSTALL WATER LEVEL REGULATOR - continued.
Remove Water Level Regulator. See figure 4-54.
Position circuit breaker AICB17 to off.
In the mechanical room, turn off water pump.
Open cabinet U and drain hot water tank. Open hot water faucet and drain water piping.
Disconnect piping unions before and after the regulator.
Remove two screws, lockwashers, flat washers, nuts, and remove retaining bracket.
At junction box in cabinet U disconnect regulator electrical leads, tag connection points in box for
Attach line to electrical leads before drawing leads through conduit to facilitate installation.
Remove regulator cap and float. Disconnect and remove conduit from regulator cap, withdraw electrical
leads from junction box through conduit.
Remove two threaded pipe adapters from defective regulator.
Install Water Level Regulator. See figure 4-54.
Apply teflon tape on male fittings. Be sure to wrap teflon tape in same direction as pipe thread.
Install pipe adapters on water level regulator.
Draw electrical leads through conduit with line previously attached and connect conduit to regulator cap in
junction box in cabinet U. Connect leads as tagged and remove tags.
Connect water level regulator to system piping. Connect pipe unions.
Open water level regulator isolation valves and verify operation.