11
❖
English
L-2028 Operation
Problem: No cooling.
Possible Reason/Solution
1.
Selector knob may not be in “cool” position
. Reset
selector knob.
2.
Temperature set point is above ambient temperature
.
Lower temperature setting.
3.
Obstructed water flow
. Clean seawater strainer. Check
for good steady flow from overboard discharge.
4.
Pump may be air locked
. Remove hose from pump
discharge to purge air from line.
5.
Coil iced
. See below.
Problem: Coil iced.
Possible Reason/Solution
1.
Thermostat set point is too low
. Check setting on
temperature knob. If setting is extreme for conditions,
raise set point.
2.
Improper air flow
. Clean return air filter or remove
obstructions from return air stream. Check for crushed or
restricted ducting. Ducting run must be as straight as
possible; remove any excess ducting.
Problem: Short cycling compressor.
Possible Reason/Solution
1.
Cold supply air returning directly to return air grill
.
Redirect supply air so that it is not directed into the return
air stream.
Problem: System runs continuously.
Possible Reason/Solution
1.
Port hole or hatch open
. Close all port holes and
hatches.
2.
Thermostat setting is excessive for conditions
. Raise
thermostat setting to cycle compressor.
Summary of Contents for Cuddy dc
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Page 22: ...22 English L 2028 Fig 8 Wiring Diagram of ZF3 5 ...
Page 24: ...24 English L 2028 Fig 11 Wiring Diagram for Cuddy dc CD3 5HV 12VDC ...
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