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INSTALLATION INSTRUCTIONS

FIG. 5

Duct Size And Requirements For 3105007.XXX And 3105935.XXX RAG

Register Required

Registers

8 Min - 12 Max.

(Per Unit)

14 Sq. In. Free

Area Per Register

D. Wiring Requirements

1. Route a copper, with ground, 120 Vac supply

wire from the time delay fuse or circuit breaker

box to the roof opening. Use a listed/certified

non metallic - sheathed single strand cable. See

"A. Table - Unit Data" on page (4).

a. This supply wire must be located in the front

portion of the roof opening.

b. The power

MUST

be on an appropriately

sized separate time delay fuse or circuit

breaker. See "A. Table - Unit Data" on page

(4).

Make sure that at least 15″ of supply wire

extends into the roof opening This ensures

an easy connection at the junction box.

d. Protect the wire where it passes into the

opening with approved method.

2. Route a dedicated 12 Vdc supply wire (18-22

AWG) from the RV converter (filtered side) or

battery to the roof opening.



When a Comfort Control Center 2 (here-

in-after referred to as CCC 2) thermostat

is being installed with more than 2 zones,

route a dedicated 12 Vdc supply wire (18-

22 AGW) to zone 1 and zone 3 roof open-

ing.

a. This supply wire must be located in the front

portion of the roof opening.

Make sure that at least 15″ of supply wire

extends into the roof opening.

3. Thermostat Communication Cable

a. CCC 2 Thermostat

I. Route a 4 conductor communication ca-

ble from the roof opening to the thermo-

stat mounting location using the shortest

most direct route. Make sure that at least

15″ of the wire extends into the roof open

ing and 6″ extends from the wall at the

thermostat mounting location. See "E.

Choosing Thermostat Location" on page

(8).



When more than one unit is being

installed (additional zones) with the

CCC 2 thermostat, an additional

4 conductor communication cable

MUST

be routed to each additional

unit roof opening. Make sure that

at least 15″ of the wire extends into

the roof opening. See (FIG. 27).

b. LCD SZ Thermostat

I. Route a 3 conductor communication ca-

ble, 18 to 22 AWG, from the roof open-

ing to the Liquid Crystal Display Single

Zone (hereinafter referred to a LCD SZ)

thermostat mounting location. Make sure

that at least 15″ of the wire extends into

the roof opening and 6″ extends from the

wall at the thermostat mounting location.

See "E. Choosing Thermostat Location"

on page (8).

Содержание 3311931.000-20

Страница 1: ...All initial installations must be approved by Dometic Corporation Roof Top Unit Used With 3105007 XXX OR 3105935 XXX Return Air Grille Description Blizzard NXTTM Model Electronic Control Kit Thermostat Optional Indoor Temperature Sensor Air Conditioner CCC 2 Controls H540315 H540316 3312020 000 3314082 000 CCC 2 Blk 3314082 011 CCC 2 Wht 3311931 000 20 3311931 012 40 3311931 020 60 LCD SZ Controls...

Страница 2: ...ion 13 L System Configuration 13 M Installing Return Air Cover 14 N CCC 2 System Only Reset Checkout 14 O CCC 2 System Only Furnace Aqua Temperature Differential Setting 14 GENERAL INFORMATION 15 A Heat Gain 15 B Condensation 15 WIRING DIAGRAMS 16 A Simple RV Wiring Diagram 16 B Unit Wiring Diagrams 17 C Electronic Control Kit Wiring Diagrams 17 INTRODUCTION This air conditioner hereinafter referr...

Страница 3: ... and injuries A Recognize Safety Information This is the safety alert symbol It is used to alert you to potential physical injury hazards Obey all safety messages that follow this symbol to avoid possible injury or death B Understand Signal Words A signal word will identify safety messages and property damage messages and will indicate the degree or level of hazard seriousness indicates a hazardou...

Страница 4: ... Time Delay Fuse or Circuit Breaker Required B Roof Requirements A 14 1 4 x 14 1 4 1 8 square opening hereinafter referred to as roof opening is required for installing this unit This opening is part of the return air system of the unit and MUST be finished in accordance with NFPA 1192 Roof construction with rafters joists support frames on a minimum of 16 inch centers Minimum of 2 inches and maxi...

Страница 5: ...enter Line Of Unit Roof Opening 13 7 8 40 30 4 18 4 b Maintain structural integrity Otherwise damage to product and or RV could occur The roof must be designed to support 130 pounds when RV is in motion Normally a 200 lb static load design will meet this re quirement c Check inside the RV for return air grille here inafter referred to as RAG obstructions i e door openings room dividers curtains ce...

Страница 6: ...ld oc cur NEVER create a low spot on RV roof Otherwise water will pool and could cause a leak The opening created must be framed to provide adequate support and prevent air from being drawn from the roof cavity Framing stock 3 4 or more in thickness must be used Remember to provide an entrance hole for power supplies indoor temperature sensor if applicable ther mostat communication cable and furna...

Страница 7: ...s route a dedicated 12 Vdc supply wire 18 22 AGW to zone 1 and zone 3 roof open ing a This supply wire must be located in the front portion of the roof opening b Make sure that at least 15 of supply wire extends into the roof opening 3 Thermostat Communication Cable a CCC 2 Thermostat I Route a 4 conductor communication ca ble from the roof opening to the thermo stat mounting location using the sh...

Страница 8: ...mostat Location 1 CCC 2 system without an optional indoor tem perature sensor and LCD SZ system a The proper location of the thermostat is very important to ensure that it will provide a com fortable RV temperature Observe the follow ing rules when selecting a location Locate the thermostat 54 above the floor Install the thermostat on a partition not on an outside wall NEVER expose the thermostat ...

Страница 9: ... Remove the unit from the carton and discard carton 2 LIFTING HAZARD Use proper lifting technique and control when lifting product Failure to obey this caution could result in injury Place unit on roof 3 Do NOT slide unit Otherwise damage to gasket on bottom of unit may occur b Route the communication cable through the 2 diameter hole in the wall required for the thermostat See FIG 8 c Optional In...

Страница 10: ...s manual will use a four 4 bolt pattern for installing the RAG kit These bolts and the electronic control box cover are furnished in the CCC 2 control kit 4 Reach up into the return air opening and pull the unit electric cord down for later connection See FIG 15 FIG 15 Gasket Furnace Wires Electrical Cord 120 Vac Power Supply Control Cables 5 Hold the ceiling template up to the roof opening Make s...

Страница 11: ... is too high stick excess height of the insulation to the unit base pan Do not cover up unit rating plate f Place the electronic control box on the ceil ing template with the white 6 pin plug on the curb side of the RV Do NOT attach at this time FIG 16 Front Of Vehicle Tighten To Compress Gasket To 3 4 Roof Gasket Screws 6 Installation Of Divider Plate a Measure the ceiling to roof thickness If di...

Страница 12: ... wires in the 6 wire harness Con nect 12 Vdc to the red wire 12 Vdc to the black wire 2 Connect the previously run furnace wires if ap plicable to the blue wires in the 6 wire harness 3 Terminate the 4 conductor communication cable s protruding from the roof opening The cable s must be terminated with a telephone RJ 11 6C4P connector Refer to the crimp tool manufacturer for crimping instructions R...

Страница 13: ...s in stalled follow installation instructions furnished with AGS kit K 120 Vac Power Supply Connection ELECTRICAL SHOCK HAZARD Make sure 120 Vac power is disconnected from RV Failure to obey this warning could result in death or serious injury 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...

Страница 14: ...ferential of either 1 degree F or 2 degree F See FIG 26 1 To set the differential simultaneously press the PROGRAM button and the up button on the CCC 2 thermostat diF1 will appear in the display while the buttons are pressed See FIG 26 To set the 2 degree differential simul taneously press the PROGRAM button and the down button diF2 will appear in the display while the buttons are pressed FIG 26 ...

Страница 15: ... a head start on the expected high outdoor ambient will greatly improve its ability to maintain the desired indoor temperature For a more permanent solution to high heat gain acces sories like Dometic outdoor patio and window awnings will reduce heat gain by removing the direct sun They also add a nice area to enjoy company during the cool of the evening GENERAL INFORMATION B Condensation The manu...

Страница 16: ...16 A Simple RV Wiring Diagram OPTIONAL FIG 27 WIRING DIAGRAMS ...

Страница 17: ...ms 1 H540315 H540316 Wiring Diagram FIG 28 C Electronic Control Kit Wiring Diagrams 1 3312020 000 CCC 2 Electronic Control Kit Wiring Diagram FIG 29 2 3313189 000 3313189 015 LCD SZ Electron ic Control Kit Wiring Diagram Cool Furnace FIG 30 ...

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