Blast chiller Service Manual
45
Rev 07/04/2015
b) Remove door switch mounting screws.
c) Disconnect the switch wires from terminals 48 & 49 on the main control.
d) Remove the switch.
e) Reinstall new switch by reversing the above steps.
4.7 REPLACING THE PRESSURE SWITCH
Occasionally the pressure switch can fail or become blocked and an “hP” alarm will be
displayed even though the pressures are good.
a) To replace the pressure switch, the capillary tubes must be disconnected.
b) The high pressure capillary tube is connected to the liquid receiver upper tap.
c) Before removing the capillary tube connections, the tap must be closed to prevent
refrigerant loss.
d) On the low pressure side, there is a self-closing ¼” SAE Schroeder connector.
BOLT/NUT
SWITCH
CABLES
HIGH PRESSURE
CONNECTION
(SELF CLOSING)
TAP
SCHROEDER ¼” SAE FOR LOW
PRESSURE CONNECTION
LIQUID RECEIVER
Summary of Contents for GBC-15
Page 1: ...Service Manual Blast Chiller...
Page 2: ...Rev 07 04 2015 2...
Page 3: ...Blast chiller Service Manual 3 Rev 07 04 2015...
Page 32: ...Rev 07 04 2015 32...
Page 40: ...Rev 07 04 2015 40...
Page 50: ...Rev 07 04 2015 10 20 10 0 10 20 30 40 kOhms C kOhmsVsTempChart NTC 10kOhms 25 C ZOOM...
Page 57: ...Blast chiller Service Manual 17 Rev 07 04 2015 L1 L2...
Page 91: ...Blast chiller Service Manual 51 Rev 07 04 2015 6 SCHEMATICS 6 1 SCHEME OF COMPONENTS...
Page 97: ...Blast chiller Service Manual 57 Rev 07 04 2015...
Page 100: ...Rev 07 04 2015 60...
