1• Use a pair of pliers to disconnect
2 wires (red and green) of cable
connected to top of pressure switch
attached to the outside edge of the
heater (in no particular order).
Then loosen pressure switch by
turning counter-clockwise by hand
and remove.
2• Loosen the wing-nut holding the
hi-limit plate and probe in place
centrally located on the outside
of the heater and remove the
probe and plate.
Pressure
switch
High-limit
wing nut
and plate
Lock nut
(attaches
heater
to pack)
Ground
connection
Heater
connections
Important:
Before starting removal procedure be sure to:
• disconnect pack power input cables;
• ensure spa water valves are closed.
How To Replace The Heater
Follow instructions below to replace an MC-MP pack heater in the
vertical/side
position.
Note:
Make sure to turn power to the pack off before proceeding.
70
MC-MP Service Manual
Summary of Contents for MC-MP
Page 2: ...TableofContents ...
Page 4: ...Tools Parts ...
Page 10: ...LowLevelProgramming 9 MC MP Service Manual ...
Page 11: ...10 MC MP Service Manual ...
Page 16: ...FlashingdotsandLEDFlowChart 15 MC MP Service Manual ...
Page 19: ...18 MC MP Service Manual ...
Page 21: ...DisplayIsFlashing 20 MC MP Service Manual ...
Page 23: ...22 MC MP Service Manual ...
Page 29: ...28 MC MP Service Manual ...
Page 36: ...HL OH ErrorCondition 35 MC MP Service Manual ...
Page 39: ...SmartWinterMode 38 MC MP Service Manual ...
Page 43: ...42 MC MP Service Manual ...
Page 44: ... SpaNotHeating FlowChart 43 MC MP Service Manual ...
Page 45: ...SpaNotHeating 44 MC MP Service Manual ...
Page 46: ...SpaNotHeating 45 MC MP Service Manual ...
Page 47: ...46 MC MP Service Manual ...
Page 48: ...PumpFlowChart 47 MC MP Service Manual ...
Page 49: ...Pump1DoesNotWork 48 MC MP Service Manual ...
Page 51: ...Pump2DoesNotWork 50 MC MP Service Manual ...
Page 53: ...52 MC MP Service Manual ...
Page 54: ...BlowerFlowChart 53 MC MP Service Manual ...
Page 55: ...BlowerDoesNotWork 54 MC MP Service Manual ...
Page 57: ...56 MC MP Service Manual ...
Page 58: ...SpaLightFlowChart 57 MC MP Service Manual ...
Page 59: ...SpaLightDoesNotWork 58 MC MP Service Manual ...
Page 61: ...OzonatorDoesNotWork 60 MC MP Service Manual ...
Page 62: ...CirculationPumpFlowChart 61 MC MP Service Manual ...
Page 63: ...CirculationPumpNotWorking 62 MC MP Service Manual ...
Page 64: ...KeysFlowChart 63 MC MP Service Manual ...
Page 65: ...KeysAren tWorking 64 MC MP Service Manual ...
Page 66: ...HowToReplaceTheBoard 65 MC MP Service Manual ...
Page 69: ...HowToReplaceTheHeater 68 MC MP Service Manual ...