Specifications

Multiplex Company, Inc.
Complete System Overview
00218011 Revision B (KAK) 31 July, 2000
20
Notes:
w Check amp load on compressor
w Check water bath feeder, or for leak somewhere in water bath (look at stand pipe)
w Check cleanliness of condenser (temperature of water on water cooled units (100°F -
105°F)
w Check room temperature
w Check refrigeration charge
Refrigeration Compressor
Function of the refrigeration compressor
Refrigeration pump which draws a low pressure gas on the cooling side of the refrigeration cycle
and squeezes or compresses the gas into high pressure on the condensing side of the cycle.
Failure of the refrigeration compressor
An inoperative or weak compressor would adversely effect the capability of the unit to
manufacture ice.
Contactor
2-Pole Single Phase
3-Pole Three Phase
Refrigeration Compressor
Start capacitor (plastic)
Run capacitor (metal)
To test, use capacitor tester.
Start Relay
(relay over
1
/3 hp looks like square box)
Start Relay starts the Compressor and then
goes into the run mode.
To install, look for a label marked
Top or for  á .
Can loose one leg, but it may be fuse
and not contactor (use wire diagram).