Cemline Corporation EHB, Installation And Maintenance Manual

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limit thermostat should be set ten degrees (10º) higher then the operating
thermostats.
18.
Refill the tank with water, examining the tank, compression fitting, and
capillary tube for any signs of leakage.
19.
If no leakage is detected, reposition any fiberglass insulation that was
moved to provide access to the compression fitting.
20.
Follow the start up procedures on page 17 to return the unit to operation.
Contactor - Replacement
If a contactor is determined to be defective and must be replaced, follow the procedures
outlined below.
1.
Turn off the power to the unit.
t
The combination of electricity and water can pose a very dangerous situation .
Assure that all power has been shut off / disconnected and locked out in an
approved manner, before attempting any installation or maintenance procedures.
2.
After assuring that the power has been turned off and locked out, unlock and open
the electric control cabinet door.
3.
Locate the defective contactor and tag the connected wires to assure proper
reconnection after the new contactor is installed. Disconnect the wires from the
contactor.
4.
Remove the contactor from its mounting.
5.
Verify that the new contactor is rated the same as the contactor being replaced.
6.
Mount the new contactor in the same position as the original contactor.
7.
Reconnect the wires to the new contactor, checking to assure that they are
attached in the same position from which they were removed.
8.
After assuring that all tools and foreign materials have been removed from the
electric control cabinet, and that all personnel are clear of the unit, turn on the
power. As the power is turned on, visually inspect for signs of "arcing". If any
arcing is detected, immediately turn off the power, examine the wires, and assure
the tightness of all connections.
9.
If no arcing is detected, the unit is ready for operation.