Wiring Requirements; Installing The Unit - Dometic 3241.301 Instrucciones De Instalación Y Funcionamiento

FIG. 5
Do Not Cut
Good-Rafters
Roof Structure
Supported By
Or Rafters
Cross Beams
19 mm Min.
Leave Access For
Power Supply Wiring
It is the responsibility of the installer of this
system to ensure structural integrity of the
Caravan roof. Never create a low spot on the
roof where water will collect. Water standing
around the unit may leak into the interior
causing damage to the product and the Cara-
van.
D. Wiring Requirements
1. 220 - 240 VAC Supply Wire
Route a copper, with ground, 220 - 240 VAC sup-
ply wire from the time delay fuse or circuit breaker
box to the roof opening. The proper size wire can
be determined from chart on page 3.
Note: If vent fan was removed, the existing wire may be used
provided it is of proper size,
a. This supply wire must be located in the front
portion of the 362 mm x 362 mm (± 3 mm)
opening.
b. The power MUST be on an approprite sized
separate time delay fuse or circuit breaker.
The proper protection can be determined from
chart on page 3.
c. Make sure that at least 381 mm of supply wire
extends into the roof opening. This ensures an
easy connection at the junction box.
d. Wiring methods must comply with all national
and local wiring codes and/or regulations.
e. Protect the wire where it passes into the open-
ing with approved method. See paragraph "d"
above.
Note: These power supply connections may be replaced
with type Y attachments if done by qualifi ed personal.
Optional Metal
Frame Inside Roof
Frame Opening So It
Won't Collapse When
Bolting Down Unit
381 mm Min. At
Front Of opening
location, and correctly fused.
E. Placing Unit On The Roof
This unit weighs approximately 45 Kilograms.
To prevent back injury, use a mechanical hoist
to place unit on roof.
1. Remove the unit from the carton and discard car-
ton.
2. Place the unit on the roof.
3. Lift and place the unit over the prepared opening
using the gasket on the unit as a guide. See FIG.
6.
FIG. 6
FRONT
Do not slide the unit. This may damage the
roof gasket attached to the bottom and may
create a leaky installation.
4. Place the air distribution box kit inside the Caravan.
This box contains mounting hardware for the unit
and will be used inside the Caravan.
This completes the outside work. Minor adjustments can
be done from the inside of the Caravan if required.
F. Installing The Unit
1. Remove air distribution box and mounting hardware
from carton.
2. Check for correct alignment and adjust the unit as
necessary (Roof gasket centers over the 362 mm
x 362 mm (± 3 mm) opening.
3. Reach up into the return air opening and pull the
unit electrical cord and heater cord (if applicable)
down for later connection. See FIG. 7.
FIG. 7
27
Lift And Place
Do Not Slide
Reach In The Return Air Opening,
Pull Down The Unit Electrical
Cords