Table of Contents
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Chapter 1: Safety Considerations .......................................................................... 2
Chapter 2: General Information ............................................................................ 3
Chapter 3: Air Conditioning Sizing ........................................................................ 3
Chapter 4: Selecting an Installation Location ......................................................... 4
Chapter 5: Installing the Roof Top Unit ................................................................. 4
Chapter 6: Securing the Air Conditioner to the Roof ............................................... 8
Chapter 7: Electrical Wiring .................................................................................. 9
Chapter 8: Installing the Ceiling Assembly (9000 Series) ...................................... 11
Chapter 9: Completing the Installation (9000 Series) ........................................... 14
Chapter 11: Maintenance ...................................................................................... 20
Marvair
Division of AIRXCEL
®
PO Box 400 • Cordele, GA 31010
156 Seedling Dr. • Cordele, GA 31015
(229) 273-3636 • Fax (229) 273-5154
Email: marvair@airxcel.com
www.marvair.com
SeaMach 24 VDC Rooftop Air Conditioner Installation Manual 5/2013
SeaMach 24 VDC Rooftop
Air Conditioner
Installation Manual
24 VDC Rooftop Air Conditioner
Manufactured by:
, Inc
®
SeaMach 24 VDC
Rooftop Air Conditioners
Marvair
Unit B8 • Arena Business Centre • Holyrood Close
Poole, Dorset BH17 7FL.
+44 1202 606405
www.marvair.co.uk
Marine UK
®
P/N 01991 5/2013 New
Page 1 of 20
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Table of Contents
Summary of Contents for Marine Marvair SeaMach 24 VDC
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Page 1: Table Of Contents
Poole, Dorset BH17 7FL. 156 Seedling Dr. • Cordele, GA 31015 +44 1202 606405 (229) 273-3636 • Fax (229) 273-5154 www.marvair.co.uk Email: marvair@airxcel.com www.marvair.com P/N 01991 5/2013 New SeaMach 24 VDC Rooftop Air Conditioner Installation Manual 5/2013 Page 1 of 20... -
Page 2: Chapter 1: Safety Considerations
Rooftop Air Conditioners Chapter 1 - Safety Considerations These instructions are a general guide for installing the SeaMach 24 VDC roof top air conditioners. For specific air conditioner details, it will be necessary to refer to the printed Customer Envelope Package supplied with each air conditioner. -
Page 3: Chapter 2: General Information
60° to 65° F (11.1° to 18.3°C). As long as this temperature difference -15°F to 20° F (11° C to 8.4°C) is being maintained at the air conditioner, the air conditioner is operating properly. SeaMach 24 VDC Rooftop Air Conditioner Installation Manual 5/2013 Page 3 of 20... -
Page 4: Chapter 4: Selecting An Installation Location
It may be necessary to seal some of the old roof vent mounting screw holes which may fall outside of the air conditioner basepan gasket. SeaMach 24 VDC Rooftop Air Conditioner Installation Manual 5/2013 Page 4 of 20... - Page 5 The roof top air conditioner must be mounted as near level from front to rear and side to side as is possible when the vehicle is parked on a level plane. Figure 2 shows maximum allowable degree deviations (mounting degrees from total surface flat plane). SeaMach 24 VDC Rooftop Air Conditioner Installation Manual 5/2013 Page 5 of 20...
- Page 6 NOTE: IF UNIT IS INSTALLED UNLEVEL FRONT TO BACK, THE NOSE OR FRONT OF THE UNIT MUST BE UP. DO NOT INSTALL NOSE DOWN. ALLOWABLE OFFSET FOR ALL HEAT PUMPS WITH ROTARY COMPRESSORS. FIGURE 2 FIGURE 3 SeaMach 24 VDC Rooftop Air Conditioner Installation Manual 5/2013 Page 6 of 20...
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Page 7: After The Mounting Hole Area Is Properly Prepared, Remove The Carton And Shipping Pads From The Roof Top
Pull the electrical conduit down from the roof air conditioner through the mounting opening and let hang. SeaMach 24 VDC Rooftop Air Conditioner Installation Manual 5/2013 Page 7 of 20... -
Page 8: Chapter 6: Securing The Air Conditioner To The Roof
Proper tension has been achieved for each bolt when any portion of each gasket indicating tab has been pulled down even with the roof. See Figure 4. The upper unit has now been properly installed with optimum gasket compression. FIGURE 4 SeaMach 24 VDC Rooftop Air Conditioner Installation Manual 5/2013 Page 8 of 20... -
Page 9: Chapter 7: Electrical Wiring
MAKE SURE THAT ALL POWER SUPPLY TO THE UNIT IS DISCONNECTED BEFORE PERFORMING ANY WORK ON THE UNIT TO AVOID THE POSSIBILITY OF SHOCK INJURY OR DAMAGE TO THE EQUIPMENT. SeaMach 24 VDC Rooftop Air Conditioner Installation Manual 5/2013 Page 9 of 20... - Page 10 SeaMach 24 VDC Rooftop Air Conditioners SeaMach 24 VDC Rooftop Air Conditioner Installation Manual 5/2013 Page 10 of 20...
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Page 11: Chapter 8: Installing The Ceiling Assembly (9000 Series)
3 provided wire nuts. IMPORTANT – Connect the black supply to the black pigtail and the white supply to the white pigtail. Using a U.L. SeaMach 24 VDC Rooftop Air Conditioner Installation Manual 5/2013 Page 11 of 20... - Page 12 Cut off excess fabric on inside of ceiling assembly chute with a box knife taking care not to tear the fabric beyond the adhesive strip. FIGURE 5 FIGURE 6 SeaMach 24 VDC Rooftop Air Conditioner Installation Manual 5/2013 Page 12 of 20...
- Page 13 SeaMach 24 VDC Rooftop Air Conditioners FIGURE 7 SeaMach 24 VDC Rooftop Air Conditioner Installation Manual 5/2013 Page 13 of 20...
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Page 14: Chapter 9: Completing The Installation (9000 Series)
Automatic moisture mode provides relative humidity control. • Variable compressor speed control reduces power consumption as ambient temperature approaches the set point. • Compressor current limiting can be used to prolong battery life. SeaMach 24 VDC Rooftop Air Conditioner Installation Manual 5/2013 Page 14 of 20... - Page 15 Moisture mode is used to help control humidity in the room while the room is unoccupied. The control will operate in cooling mode for up to 1 hour every 6 hours. SeaMach 24 VDC Rooftop Air Conditioner Installation Manual 5/2013 Page 15 of 20...
- Page 16 Press the up or down arrows to change the parameters value. Exit the program mode when finished by pressing the X or wait 60 seconds for the display to exit. SeaMach 24 VDC Rooftop Air Conditioner Installation Manual 5/2013 Page 16 of 20...
- Page 17 Fan A speed 5 30-90 Fan A speed 6 30-90 Compressor speed range 2 (1.1) 2-5 °F (1.1-2.8 °C) Maximum comp current Off, 10-60 Amps Reset Parameters No or Yes SeaMach 24 VDC Rooftop Air Conditioner Installation Manual 5/2013 Page 17 of 20...
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Page 18: Specifications
60 Amps Minimum operating temperature 0°F 17.8°C Maximum operating temperature 180°F 82.2°C Maximum RH conditions 95% Non-condensing Maximum length of the display cable 75 Feet 22.86 m SeaMach 24 VDC Rooftop Air Conditioner Installation Manual 5/2013 Page 18 of 20... - Page 19 SeaMach 24 VDC Rooftop Air Conditioners SeaMach 24 VDC Rooftop Air Conditioner Installation Manual 5/2013 Page 19 of 20...
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Page 20: Chapter 11: Maintenance
Airxcel, Inc. Marvair Division 156 Seedling Dr. Cordele, GA 31015 1976A520 (10-11) PP SeaMach 24 VDC Rooftop Air Conditioner Installation Manual 5/2013 Page 20 of 20...
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