600312 & 600315 Series Installation Instructions
D.Wiring Requirements
1.120 VAC Supply Line
Route a copper 12 AWG, with ground, 120 VAC supply line from the time delay fuse or circuit breaker box to the roof opening.
a.This supply line must be located in the front portion of the
b.The power MUST be on a separate 20 Amp time delay fuse or HACR circuit breaker.
c.Make sure that at least 15" of supply wire extends into the roof opening. This ensures and easy connection at the junction box.
d.Wiring must comply with all National, State and Local Wiring Codes.
e.Use a steel sleeve and a grommet or equivalent methods to protect the wire where it passes into the opening.
E.Placing Air Conditioner On The Roof
This unit weighs approximately 100 pounds. To prevent back injury, use a mechanical hoist to place Air Conditioner on roof.
1.Remove the air conditioner from the carton and dis- card carton. See FIG. 7.
FIG. 7
2.Place the air conditioner on the roof.
3.Lift and place the unit over the prepared opening using the gasket on the unit as a guide. See FIG. 8.
FIG. 8
FRONT
CAUTION
Do not slide the unit. This may damage the roof gasket attached to the bottom and may create a leaky installation.
4.Place the 3105457 Mechanical Air Distribution Box Kit inside the RV. This box contains mounting hard- ware for the air conditioner and will be used inside the RV. See FIG. 7.
This completes the outside work. Minor adjustments can be done from the inside of the RV if required.
F.Installing The Air Conditioner
1.Remove air box and mounting hardware from carton. The upper duct is shipped inside the lower duct which is part of the ceiling template.
2.Check for correct alignment and adjust the unit as necessary (Roof Gasket centers over
FIG. 9 | Rear Of Air |
| Conditioner |
Upper Discharge
Air Duct
Edge Without
Flange To
Rear Of Unit
3.Remove upper duct from ceiling template and locate it over blower discharge. See FIG.9.
Note: Edge without flange installs toward REAR of opening.
4.Use two (2) sharp pointed #10 sheet metal screws to hold duct to base pan. Screw holes are provided in bottom of base pan for these screws.
5.Reach up into return air opening of the air conditioner and pull the unit electrical cord down for later connection.
6.Measure the ceiling to roof thickness:
a.If distance is
b.If distance is
c.If distance is
d.If distance is
FIG. 10 | Upper Discharge |
| Air Duct |
Step a | Step b |
Remove At | |
Perforation | Remove At |
| Perforation |
Step c | Lower Discharge |
Use As | |
Packaged | Air Duct |
6