SeaMach 24 VDC
Rooftop Air Conditioners
SeaMach 24 VDC Rooftop Air Conditioner Installation Manual 5/2013 Page 11 of 20
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 OVERTIGHTEN!!
THIS COULD RESULT IN PINCHING THROUGH THE PLASTIC WIRE INSULATION AND CAUSE SHORTING
OR “HOT” WIRES TO GROUND (SHOCK HAZARD). THE CLAMP IS INTENDED FOR STRAIN RELIEF OF
THE WIRES. SLIGHT PRESSURE IS USUALLY SUFFICIENT TO ACCOMPLISH THIS.
IF OTHER THAN NON-METALLIC CABLES ARE USED FOR SUPPLY CONDUCTORS, APPROPRIATE
STRAIN RELIEF CONNECTORS OR CLAMPS SHOULD BE USED.
IN NO CASE SHOULD CLAMPING OR PINCHING ACTION BE APPLIED TO THE INDIVIDUAL SUPPLY
LEADS (NEUTRAL AND “HOT” WIRES).
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 GENERATOR COMPARTMENT.
Chapter 8 - Installing The Ceiling Assembly (9000 Series)
Make sure that you have properly matched the roof top 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 A.
(except ceiling assemblies for applications with remote control box/thermostat).
Remove the grille and lters from the ceiling assembly.B.
Fasten the duct collar to the basepan of the air conditioner with three (3) screws (See Figure 7).C.
Plug the roof top air conditioner electrical conduit into the 9 position receptacle located in the thermostat D.
side of the ceiling assembly.
Insert the supply wiring through the cable clamp and into the eld wiring box so that 4 - 6” (10 cm to E.
15 cm) of supply conductor is inside the box. Secure the cable clamp over the supply wire sheath so
that no movement is possible (See Figure 6).
Connect the supply power conductors to the black and white pigtail wires and the supply ground wire F.
to the green pigtail wire found in the eld wiring box using the 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.
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Manual 9000