Lochinvar RESIDENTIAL GAS WATER HEATERS Instruction Manual page 15

5. Make sure the ON/OFF switch is in the OFF position and that the outer
harness is connected from the blower control box to the connector
on the bottom side of the gas control valve.
6. If the outer harness is not factory installed, make sure the ON/OFF
switch is in the OFF position and then connect the outer harness
from the blower control box to the connector on the bottom side of
the gas control valve.
7. This water heater is a poloarity sensitive appliance and will not operate if
the power supply polarity is reversed. The power supply or outlet providing
power to this water heater must be wired properly (correct polarity).
DIAGRAM 1
8. Do not plug in power cord until vent system is completely installed. This
powered vent heater operates on 110-120 Vac, therefore a grounded
outlet must be within reach of the six (6) foot (1.8 m) fl exible power cord
supplied with the unit (see Figure 1). The power cord supplied may be
used only where local codes permit. If local codes do not permit the use
of a fl exible power supply cord:
a.) Make sure the unit is unplugged from wall outlet. Remove screws
and open panel on front of control box.
b.) Cut the fl exible power cord, leaving enough to be able to make
connections, the remove the strain relief fi tting from box.
c.) Install suitable conduit fi tting in side of enclosure and then follow (d.)
and (e.) below.
d.) Splice fi eld wiring into existing wiring using code authorized method
(wire nuts, etc.).
e.) Be certain that neutral and live connections are not reversed when
making these connections.
f.) Close panel on the side of control box, make sure that access panel
is secured shut.
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