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When installing the thru-hull fitting apply an ample amount of marine sealant to the
outside lip of the fitting and its mounting post. If possible, have someone hold the
outside of the fitting to keep it from turning when you attach the retaining nut from the
inside. Be careful not to over tighten the nut. Use two (2) s/s hose clamps to attach the
hose to the thru-hull fitting. Route this hose into the air conditioner compartment where
it will eventually be connected to the condensing coil "water out" fitting.
3. Electrical Power:
Both the air conditioner and pump require 115 vac, 60 hertz power to operate. (220v
models are available) This power is obtained from the master 115 vac Circuit Breaker
Panel in the boat. Power is routed from this panel to the air conditioner. The air
conditioner will then supply power to the pump as required.
WARNING
BEFORE PROCEEDING FURTHER, CHECK TO INSURE THAT ALL 120 VAC
POWER HAS BEEN DISCONNECTED FROM THE BOAT AND CIRCUIT
BREAKER PANEL. FAILURE TO DO SO COULD CAUSE ELECTRICAL
SHOCK RESULTING IN SERIOUS INJURY OR DEATH
Using 12 gauge boat power cable, beginning on the inside of the Main Circuit Breaker
Panel, route the cable to the air conditioning compartment. Leave ample excess before
cutting to allow for positioning of the unit’s electric box at time of final hook up.
Connection of this cable to the air conditioner electrical box will be covered later.
At the circuit breaker panel locate a blank hole and install a 20 amp circuit breaker of the
same style as those breakers currently in the panel. Note that all of the breakers are
connected together on one side by either a buss bar or individual jumper wires. Connect
the new breaker in the same manner. Remove about 12 inches of the outer insulation
from the end of the boat cable to expose the inner wires. This cable contains (3) inner
insulated wires which are "BLACK", "WHITE" and "GREEN' in color. Using the
appropriate wire connectors, as those currently used in the panel, connect the wires as
follows: "BLACK" to the remaining terminal on the circuit breaker, "WHITE" to the
buss bar connecting all "WHITE" wires together and the "GREEN" to the buss bar
connecting all "GREEN" wires together. Included in the installation kit, if you purchased
that option, is a small Mermaid A/C sticker. Place this on your breaker panel to properly
denote the air conditioner circuit breaker. The Main Circuit Breaker Panel can now be
closed up.
FOR 220V UNITS THAT HAVE A 4 WIRE SYSTEM WITH RED, BLACK,
WHITE, AND GREEN WIRES, THE FOLLOWING APPLIES:
BLACK GOES TO BLACK (HOT)
RED GOES TO WHITE (NEUTRAL)
GREEN GOES TO GROUND
WHITE GETS CUT OFF AND NOT USED