DANGER, SHOCK HAZARD!
A reinforced and framed roof hole opening must be provided (may use existing vent hole). Before cutting into the boat roof, verify that the cutting action will clear all structural members and crossbeams. Additionally, the location of any inner roof plumbing and electrical supplies must be considered. A. If a roof vent is already present in the desired mounting location for the air conditioner, the following steps must be taken: 1. Remove all screws which secure the roof vent to the boat. Remove the vent and any additional trim materials. Carefully remove all caulking from around the roof vent opening to obtain clean exterior roof surface. 2. 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. 3. Examine the roof opening. If the opening is smaller than 14" x 14", the opening must be enlarged. If the opening exceeds 15" x 15", a mounting frame must be field fabricated to reduce the opening size (See Figure 1).
B. If a roof vent opening is not used, a new opening (See Figure 1) will have to be cut into the boat roof. A matching opening will also have to be cut into the interior boat ceiling. Be careful when cutting the ceiling opening. If the ceiling opening is carpeted, snagging could occur. After the opening in the roof and interior ceiling are the correct size, a framed support structure must be provided between exterior rooftop and interior ceiling. The reinforced framed structure must provide the following guide- lines: 1. Capable of supporting both the weight of the rooftop air conditioner and the interior ceiling assembly. 2. Capable of holding or supporting the roof outer surface and interior ceiling apart, so that when the rooftop air conditioner and ceiling assembly are bolted together, no collapsing occurs. RV Products 8000 series requires that the spacing from the boat rooftop to the interior ceiling be no less than 1". A typical support frame is shown in Figure 1. The frame must provide an opening to allow passage for the power supply wiring. Route the supply wiring through the frame at the same time the support frame is being installed. IMPORTANT - Allow 24" of supply wiring through the support frame (working length). After the support frame is installed, seal off all gaps between the frame and both the roof exterior and the interior ceiling of the boat (cavity walls). Additionally, seal the gap around the electrical supply wiring. C. This air conditioner is to be installed in accordance with NFPA Standard 501C. D. The rooftop air conditioner must be mounted as near level from front to rear and side to side as is possible when the boat is parked on a level plane. Figures 2 and 3 show maximum allowable degree deviations (mounting degrees from total surface flat plane).
Figure 2 and 3.
If the roof of the boat is sloped (not level) such that the roof top air conditioner cannot be mounted within the maximum allowable degree deviations, an exterior leveling shim will need to be added to make the rooftop air conditioner level. A typical leveling shim is shown in Figure 4.
E. After the mounting hole area is properly prepared, remove the carton and shipping pads from the roof top air conditioner. Carefully lift the unit to the top of the boat. Do not use the outer plastic shroud for lifting. Place the roof top air conditioner over the prepared mounting hole. The pointed end (nose) of the shroud must face towards the front of the boat. Pull the electrical conduit down from the roof air conditioner through the mounting opening and let hang.
SECURING THE AIR CONDITIONER
A mounting frame is supplied with the 8000 series ceiling assembly. Follow the steps below to secure the air conditioner to the roof. Refer to Figure 5.
A. Locate the air conditioner mount gasket over the 14" to 15" square opening in the roof. B. Install the ceiling assembly mount frame using the four bolts found with the ceiling assembly. C. 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 5. The upper unit has now been properly installed with optimum gasket compression.
INSTALLING THE CEILING ASSEMBLY
NOTE: The optional Elect-A-Heat is intended to take the chill out of the indoor air when the air is a few degrees too cool for comfort. The Elect-A-Heat is an effective "chill chaser". It is not a substitute for a furnace. Make sure that you have properly matched the rooftop air conditioner and interior ceiling assembly. The following step by step instructions must be performed in the following sequence to insure proper installation. A. Carefully uncarton the ceiling assembly. Controls are factory installed in the ceiling assembly (except ceiling assemblies for applications with remote control box/thermostat). B. Remove the shroud from the ceiling assembly plate. C. THIS ENTIRE STEP "C" IS NOT REQUIRED ON "COOLING ONLY" CEILING ASSEMBLIES. On ceiling assemblies equipped with the Elect- A-Heat heater package (heat/cool ceiling assemblies), detach the bottom heating element support plate by removing the screws located around the outer edge. The electrical connection plug will need to be disconnected before the heat element support plate can be removed. D. Before the ceiling assembly can be mounted to the mount frame, the duct collar must be fastened to the basepan of the air conditioner with three (3) screws (See Figure 5). E. Secure the ceiling assembly plate to the mounting frame with the screws provided. F. Pull fabric duct material through ceiling assembly discharge duct opening. Slit the 4 comers of fabric duct which extends below duct opening. (See Figure 5).DANGER, SHOCK HAZARD!
DO NOT USE FABRIC DUCT TAPE ON OR AROUND
FABRIC DISCHARGE AIR DUCT COLLAR.
ALUMINUM TAPE MAY BE USED IF NEEDED.
G. Place metal flange in discharge duct opening, trapping fabric between it and the ceiling assembly (See Figure 5). H. Pull fabric tight. This will minimize material bunching inside the discharge duct collar. I. Fasten the metal flange to the ceiling assembly with four (4) screws. To avoid air noise and restrictions, trim any excess fabric that may extend beyond edge of metal flange.
ROUTING 115 VAC WIRING Following R.V. Products high voltage wiring specifications and all local and national electrical codes, route the rooftop unit 115 VAC supply wiring from its power source to the wirebox. High Voltage Wiring Specifications: 1. U.L. requires copper conductors only with minimum #12AWG. 2. To prevent voltage drops greater than 10% during starting loads, adhere to the following guideline: For lengths greater than 50', use #10 AWG. Circuit Protection - Refer to upper unit nameplate.DANGER, SHOCK HAZARD!
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.
After the interior ceiling plate is properly secured to the roof top air conditioner, the following electrical connections must be performed. A. Route the power supply wire to the back of the selector switch control box. Do not attach at this time. B. Take the rooftop air conditioner electrical conduit and plug it into the back of the thermostat control box. Make sure that the "ridged" side of the plug is aligned and matched with the "ridged" side of thermostat control box connection. DO NOT USE EXCESSIVE FORCE and make sure the lock-in tabs are snapped in place. See Figure 6.
C. Remove the selector switch control box cover (one screw). Take the supply wire and slide it into the back of the selector switch control box through the strain relief that is provided.DANGER!
WHEN USING NON-METALLIC
SHEATH CABLES (ROMEX, ETC.),
STRIP SHEATH BACK TO EXPOSE
4-6 INCHES OF THE SUPPLY LEADS.
STRIP THE INDIVIDUAL WIRE LEAD
ENDS FOR WIRE CONNECTION
(ABOUT 3/4" BARE WIRE). INSERT
THE SUPPLY WIRES INTO THE
ELECTRICAL CONNECTOR CLAMP.
SHEATH MUST PROTRUDE PAST
THE CLAMP BUSHING INSIDE THE
BOX AS ILLUSTRATED. MAKE SURE
SHEATH CABLE IS CENTERED IN
CLAMP BEFORE TIGHTENING UP
ON IT. DO NOT OVERT1GHTEN!!
THIS COULD RESULT IN PINCHING
THROUGH THE PLASTIC WIRE
INSULATION AND CAUSE SHORT1NG
OR "HOT" WIRES TO GROUND
(SHOCK HAZARD). THE CLAMP IS
INTENDED FOR STRAIN RELIEF OF
THE WIRES, SLIGHT PRESSURE IS
USUALLY SUFFICIENT TO
IF OTHER THAN NON-METALLIC
IN NO CASE SHOULD CLAMPING
D. Connect the power line to the black and white pigtail wires found in the control box using two wire nuts. IMPORTANT - Connect black wire to black wire and white wire to white wire. Install the ground wire (green to bare copper) to the green headed screw in the selector switch control box. Using a U.L. approved electricians tape, secure the wire nuts to the wires in a workmanlike manner (See Figure 7).
E. Tighten the strain relief clamp to secure the supply wire. DO NOT OVERTIGHTEN (See Figure 8).
Reinstall the selector switch control box cover. Some ceiling assemblies may be equipped with a plastic strain relief.DANGER, SHOCK HAZARD!
TO PREVENT THE POSSIBILITY OF
SHOCK INJURY, THE WHITE WIRE
MUST BE CONNECTED TO NEUTRAL
IN THE SERVICE BOX ENTRANCE
AND THE MECHANICAL GROUND
MUST BE CONNECTED TO A
GROUNDING LUG EITHER IN THE
SERVICE BOX OR THE MOTOR
COMPLETING THE INSTALLATION
To complete the installation and system checkout requirements, the following steps must be performed. A. Check the thermostat probe position. Make sure the thermostat probe is routed through the holding guide and is not touching any metal surface. B. THIS ENTIRE STEP "B" IS NOT REQUIRED ON "COOLING ONLY" CEILING ASSEMBLIES. Reinstall the Elect-A-Heat assembly by first; connecting the heat plug from the selector switch control box to the heater receptacle in the Elect-A- Heat heater package, and secondly; secure the Elect-A-Heat package to the ceiling assembly with the screws previously removed. C. Make sure the non-allergenic filters are properly positioned in the ceiling shroud. D. Reinstall the ceiling shroud (secure with two screws provided by RV Products). Put the control knobs (found in single parts package) on the selector switch and thermostat controls. E. Turn selector switch to OFF position. F. Turn ON the power supply to the rooftop air conditioner. G. System Checkout - RV Products manufactures a wide range of roof top air conditioners which incorporate different product operation features. To properly evaluate the performance of a newly installed air conditioner, it is necessary to review the specific unit operation characteristics (features) described in product operation and maintenance instructions (Customer Envelope Package).
The SeaMach A/C Unit can be installed on just about anything, such as
Houseboats, Fishing Boats, Cruisers, Sailboats, Recreation Vehicles,
Popup Campers, Vans, Toll Booths, Guard Shacks, Concession Stands, Trailers