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Installation Checklist (Review Prior To Installation)
Seawater cooling system:
Speed scoop located as far below the water line and as close to the keel as possible
Shut off valve (sea cock) and speed scoop properly sealed and tightened
Seawater pump is at least 1' (305mm) below water line and securely mounted
Strainer mounted below pump with access to filter
Double/reversed stainless steel hose clamps on all hose connections
Thread sealer on all threaded connections
Hose runs uphill from speed scoop and sea cock to strainer, pump and air conditioning unit, then downhill
(if possible) from air conditioner unit to overboard discharge
Water flowing freely from overboard discharge while pump is running
Pump relay panel, if used, must have its own circuit breaker sized for the pump (20 amp max)
All metal fittings should be bonded
Mounting
Not in engine room or bilge area, must be sealed away from exhaust or fumes
Proper spacing allowed around unit
Attached to solid level platform with hold down brackets provided
Condensate drain routed aft and down hill to a sealed sump (not bilge)
All penetrations to bilge area sealed
Blower rotated toward supply air grille
Electrical
All butt connections on pumps are tightly crimped and covered with heat shrink
AC power source installed and grounded/bonded in accordance with ABYC standards
Control wires connected to terminal strip with captive fork or ring terminals
Circuit breakers sized according to technical specifications section.
Pump Relay Panel (if used) has a dedicated circuit breaker sized for the pump but not to exceed 20 amps
maximum.
Grilles and Ducting
Supply air grille mounted as high as possible
Return air grille mounted as low and as close to the air conditioner as possible
Return air grille mounted away from bilge vapors or exhaust fumes
Ducting is pulled taut, straight, smooth and properly connected with no excess
Quick Start Operations Checklist
Ensure seawater intake ball valve (sea cock) is open.
Turn on the air conditioners circuit breaker. If the seawater pump has its own circuit breaker, make sure to
turn it on.
Turn the system on. Set the desired cabin temperature (set point).
Check for a steady solid stream of water from the overboard discharge.
Verify that there is steady airflow out of the supply air grille
If the unit does not appear to be operating properly, refer to troubleshooting guidelines. Note: Do not turn
the unit off and immediately back on. Allow at least 30 seconds for refrigerant pressure equalization.
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