Positioning The Rooftop Component; Preparing To Work Inside The Rv - Dometic FreshJet 3 Series Installation And Operation Manual

Pre-installation
7 .3 .1 Routing the VAC power supply
wire
1. Route the 115 VAC power supply wire, with ground,
from the time-delay fuse or circuit breaker box to
the roof opening. Use a listed/certified non-metallic
sheathed single-strand cable. See "Specifications"
on page 8.
If an AC or a vent fan were removed, the existing
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power supply wire may be used provided it is of the
proper type, size, and location, and if it is correctly
fused.
2. Make sure that at least 15.0 in. (381 mm) of the
115 VAC power supply wire extends into the roof
opening to ensure an easy connection at the junction
box.
7 .3 .2 Routing the VDC power supply
wire
1. Route a dedicated 12 VDC fused supply wire, 18 to
22 AWG, from the filtered side of the RV converter or
from the battery to the roof opening.
2. Make sure that at least 15.0 in. (381 mm) of the
12 VDC supply wire extends into the roof opening.
7 .4 Positioning the rooftop
component
NOTICE: Do not slide the rooftop component along
a surface or damage to the gasket on the bottom of the
rooftop component could occur and cause a leak.
1. Remove all the contents from the carton and discard
the carton.
2. Place all the ADB kit contents in the RV. The ADB kit
contains mounting hardware for the ADB that will be
installed inside the RV.
3. Move the rooftop component to the roof.
12
Rooftop Air Conditioner (Air Distribution Box, Electronic Controls)
8 Placing the rooftop component
Front of the rooftop
q
component
4. Lift and place the rooftop component over
the prepared opening using the gasket on the
rooftop component as a guide.
I The outside work is complete. Minor adjustments
can be made from inside the RV if required.

7 .5 Preparing to work inside the RV

This section describes the interior preparation.
1. Confirm the ADB kit is inside the RV.
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9 Centering the rooftop component inside the RV
Roof gasket
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2. From inside the RV, check the gasket alignment of
the rooftop component over the roof opening. If
necessary, adjust the rooftop component from below
by gently pushing up.
q
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Roof opening
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