120 Vac Power Supply Connection - Dometic Blizzard NXT H541815A Installation Instructions Manual

Roof top unit (quiet zone ducted application)
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INSTALLATION INSTRUCTIONS
a. Ext. Stage - Ext. Stage is not used on this
unit. Leave in the "OFF" position.
b. Zone selection - Each CCC 2 thermostat can
have up to 4 zones. When only one unit is in-
stalled it becomes Zone 1 and no dip switch
setting is required. Each additional unit must
be assigned a zone (2 through 4). Each unit
must have a different zone setting.
c. Stage selection - Stage is not used on this
unit. Leave in the "OFF" position.
d. Heat Strip - On heat strip models the #6
dip switch is in the "ON" position from the
factory. Non heat strip models leave in the
"OFF" position.
e. Heat Pump - On heat pump models the #7
dip switch is in the "ON" position from the
factory. Non heat pump models leave in the
"OFF" position.
f. Furnace - If a Furnace/Aqua heat system
has been connected to this unit, the fur-
nace dip switch must be placed in the "ON"
position.
g. Dehumidify - Dehumidify is not used on this
unit. Leave in the "OFF" position.
h. Gen Start selection - Leave in the "OFF"
position.
i. Install unit electrical box cover and out side
plastic shroud.
j. Repeat this procedure for each additional
zone.
FIG. 18
Off Position
I.

120 Vac Power Supply Connection

1.  ELECTRICAL SHOCK HAZARD.
Make sure 120 Vac power is disconnected from
RV. Failure to obey this warning could result in
death or serious injury.
On Position
12
2.  ELECTRICAL SHOCK HAZARD.
Provide grounding in compliance with all appli-
cable electrical codes. Failure to obey this warn-
ing could result in death or serious injury.
3. Reach up into the return air opening of the unit
and pull down the unit electrical cord and power
supply wires. Note the included strain relief at-
tached to the electrical cord. See (FIG. 19).
FIG. 19
Low Voltage Wires
4. Remove the strain relief from its packaging and
set aside momentarily.
5. Carefully strip and prepare 120 Vac supply wire.
See (FIG. 20), (FIG. 21), (FIG. 22), (FIG. 23), &
(FIG. 24).
FIG. 20
FIG. 21
AC Power
Supply
Strain Relief
Included
Electrical
Cord
Strip Jacket To 1"
Hand Bend White
And Black Wires
Outward 90°

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