Blast Chillers & Freezers - Foster Spares & Service

GB
Func. FAN
Relay 2 Relay 2 Operation (relay contacts open when mains power removed):
NOT USED (NON) Output disabled (always off)
EVP FAN
Control of evaporator fan output (subject to defrost and door switch
(FAN)
functions)
DEFROST HEATER (DEF) Control of defrost heater/solenoid
CAPACITY CONTROL
Control of capacity output, subject to ‘unloading’ conditions
(CAP)
EOC ALARM (EOC) Energises at end of cycle for indication
LIGHT (LIGHT) Output enabled for light control
0-1 (0-1) Contacts open/close with ‘Run/Standby’ mode
OPEN IN ALARM
Contact open when an alarm condition occurs
(AL OPN)
CLOSED IN ALARM
Contacts close when an alarm condition occurs
(AL CLS)
HOLD ALARM
Energises at end of Chill cycle to indicate ‘Hold’ mode. Fe-energised when in
(HOLD)
Standby or Chill
Relay 3 Relay 3 Operation (relay contacts open when mains power removed):
NOT USED (NON) Output disabled (always off)
EVP FAN
Control of evaporator fan output (subject to defrost and door switch
(FAN)
functions)
DEFROST HEATER (DEF) Control of defrost heater/solenoid
CAPACITY CONTROL
Control of capacity output, subject to ‘unloading’ conditions
(CAP)
EOC ALARM (EOC) Energises at end of cycle for indication
LIGHT (LIGHT) Output enabled for light control
0-1 (0-1) Contacts open/close with ‘Run/Standby’ mode
OPEN IN ALARM
Contact open when an alarm condition occurs
(AL OPN)
CLOSED IN ALARM
Contacts close when an alarm condition occurs
(AL CLS)
HOLD ALARM
Energises at end of Chill cycle to indicate ‘Hold’ mode. Fe-energised when in
(HOLD)
Standby or Chill
System 1
Func. DEF
15