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INSTALLATION & OPERATING
REVISION:
Form No. 3308925.019 7/05
(Replaces 3308925.001)
©2005 Dometic Corporation
LaGrange, IN 46761
INSTALLATION AND OPERATING INSTRUCTIONS
Roof Top Air Conditioner
Mechanical Air Distribution Box Kit
This manual must be read and un-
derstood before installation, ad-
justment, service, or maintenance
is performed. This unit must be in-
stalled by a qualified service tech-
nician. Modification of this product
can be extremely hazardous and
could result in personal injury or
property damage.
INSTRUCTIONS
Important:
These instructions must stay with
unit. Owner read carefully.
B3300 Series
Used With
3309278.004
1
RECORD THIS UNIT INFORMATION FOR
FUTURE REFERENCE:
Model Number
Serial Number
Date Purchased
TYPE
B3351.531
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Related Manuals for Dometic B3351.531
Summary of Contents for Dometic B3351.531
- Page 1 TYPE INSTALLATION & OPERATING B3351.531 INSTRUCTIONS REVISION: Form No. 3308925.019 7/05 (Replaces 3308925.001) Important: These instructions must stay with ©2005 Dometic Corporation unit. Owner read carefully. LaGrange, IN 46761...
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Page 2: Safety Instructions
INSTALLATION AND OPERATING INSTRUCTIONS SAFETY INSTRUCTIONS This manual has safety information and instruc- tions to help users eliminate or reduce the risk of accidents and injuries. RECOGNIZE SAFETY INFORMATION This is the safety-alert symbol. When you see this symbol in this manual, be alert to the potential for personal injury. -
Page 3: General Information
LOCKED RATED LOAD LOCKED R-22 WATTS ROTOR ROTOR GRAMS/OZ 220 / 240 VAC COOLING B3351.531 3,245 220 / 240 VAC, 1.1 / 1.2 4.5 / 5.0 0.21 0.46 510/18.0 1.64 50 HZ., 1PH. giving it a "head start" on the expected high outdoor... -
Page 4: Installation Instructions
A. Read installation and operating instructions carefully before attempting to start your air conditioner installa- tion. B. Dometic Corporation will not be liable for any damages or injury incurred due to failure in following these instruc- tions. C. Installation must comply with the National Electrical Code and any Region or Local Codes or regulations. -
Page 5: Roof Preparation
INSTALLATION AND OPERATING INSTRUCTIONS C. OPENING PREPARATION: FIG. 4 1. If the opening exceeds 365mm x 365mm, it will be necessary to install spacers. 2. If the opening is less than 355mm x 355mm, it must 194mm be enlarged. Rear 3. - Page 6 INSTALLATION AND OPERATING INSTRUCTIONS b. Wiring must comply with all National, Region This completes the outside work. Minor adjustments can be and Local wiring codes. done from the inside if required. Make sure at least 255mm of wire extends into the roof opening.
- Page 7 INSTALLATION AND OPERATING INSTRUCTIONS E. Install ceiling template by sliding lower duct over upper WIRING OF SYSTEM duct. Note: All wiring must comply with the National Electrical F. Start each mounting bolt by hand before tightening any Code and any Region or Local Codes or regulations. of them.
- Page 8 INSTALLATION AND OPERATING INSTRUCTIONS Install junction box cover with two (2) #10 x 10mm blunt In the event that the wood screws used to hold the point screws. See FIG. 14. plastic air box to the ceiling do not grip or strip in the Plug air conditioners electrical cord into the mating ceiling material, four ceiling hollow wall anchors can be connector on control box.
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Page 9: Maintenance
INSTALLATION AND OPERATING INSTRUCTIONS OPERATING INSTRUCTIONS FIG. 20 ® COOL WARMER HIGH HIGH HIGH HEAT COOLER CONTROLS HEATING OPERATION A. The Selector Switch has 10 positions including "OFF". Note: This electric heater will not replace a furnace for This controls fan speed, heating mode, and cooling heating your RV in cold weather. - Page 10 INSTALLATION AND OPERATING INSTRUCTIONS SERVICE - Unit Does Not Operate If your unit fails to operate or operated improperly, check Check your fuse or circuit breaker to see if it is open. the following before calling your service center. After the above checks, call your local service center for further help.
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Page 11: Air Conditioning Unit
INSTALLATION AND OPERATING INSTRUCTIONS MOUNTING PARTS AIR CONDITIONING UNIT FIG. 22 FIG. 21 Discharge Air Opening A. (4) 180mm mounting bolts Mounting Bolt B. (10) #8 x 16mm long sharp point wood screws Return Air Threaded Hole Opening In Bottom C.