VACATION TEMPERATURE HOLD:
Press HOLD. Adjust temperature as desired with UP/DOWN. Temperature setting will not change even after next program period begins. To clear, press HOLD again.
SECTION 4
(PUMP RELAY BOX)
For use with the Mermaid Standard 24v Controls.
The Mermaid
A. INTRODUCTION:
1.When two air conditioners are to be cooled using a single water pump, a relay switching box must be used to interface the air conditioners to the pump. Only one air conditioner can be allowed to apply power to the pump at any given time to preclude a doubling of power on the pump. The relay switching box will recognize the first air unit providing power to the pump. Whenever the pump is running, both units will receive water even if the second unit is not in operation. When the second air unit becomes operational the relay switching box will isolate this unit from the pump so double power is not applied, however, if the first air unit reaches temperature and shuts down, the relay switching box will automatically turn control of the pump operation over to the second unit allowing normal operation to continue. The second air unit will maintain control of the pump until it reaches temperature and cycles off, even if the first unit cycles back on while the second unit is operating.
2.A separate 5 amp circuit breaker will be required to be installed in the Main Circuit Breaker Panel to provide 115 (or 220) vac power to the Pump Relay Box.
B. INSTALLATION:
1.Before proceeding further, put the air conditioner(s) circuit breakers in their "OFF" positions and disconnect all AC power from the boat.
WARNING
FAILURE TO DISABLE ALL AC POWER TO THE BOAT COULD RESULT IN
ELECTRICAL SHOCK CAUSING SERIOUS INJURY OR DEATH.
2.Install a 5 amp circuit breaker in the Main Circuit Breaker Panel using 16 gauge boat power cable. Route this cable to the Pump Relay Box which must be mounted in a dry
