Blast Chillers & Freezers - Foster Spares & Service
Blast Chillers & Freezers - Foster Spares & Service
Blast Chillers & Freezers - Foster Spares & Service
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GB<br />
Func. 0/1<br />
Relay 4 Relay 4 Operation (relay contacts open when mains power removed):<br />
NOT USED (NON) Output disabled (always off)<br />
EVP FAN<br />
Control of evaporator fan output (subject to defrost and door switch<br />
(FAN)<br />
functions)<br />
DEFROST HEATER (DEF) Control of defrost heater/solenoid<br />
CAPACITY CONTROL<br />
Control of capacity output, subject to ‘unloading’ conditions<br />
(CAP)<br />
EOC ALARM (EOC) Energises at end of cycle for indication<br />
LIGHT (LIGHT) Output enabled for light control<br />
0-1 (0-1) Contacts open/close with ‘Run/Standby’ mode<br />
OPEN IN ALARM<br />
Contact open when an alarm condition occurs<br />
(AL OPN)<br />
CLOSED IN ALARM<br />
Contacts close when an alarm condition occurs<br />
(AL CLS)<br />
HOLD ALARM<br />
Energises at end of Chill cycle to indicate ‘Hold’ mode. Fe-energised when in<br />
(HOLD)<br />
Standby or Chill<br />
Relay 5 Relay 5 Operation (relay contacts open when mains power removed):<br />
NOT USED (NON) Output disabled (always off)<br />
EVP FAN<br />
Control of evaporator fan output (subject to defrost and door switch<br />
(FAN)<br />
functions)<br />
DEFROST HEATER (DEF) Control of defrost heater/solenoid<br />
CAPACITY CONTROL<br />
Control of capacity output, subject to ‘unloading’ conditions<br />
(CAP)<br />
EOC ALARM (EOC) Energises at end of cycle for indication<br />
LIGHT (LIGHT) Output enabled for light control<br />
0-1 (0-1) Contacts open/close with ‘Run/Standby’ mode<br />
OPEN IN ALARM<br />
Contact open when an alarm condition occurs<br />
(AL OPN)<br />
CLOSED IN ALARM<br />
Contacts close when an alarm condition occurs<br />
(AL CLS)<br />
HOLD ALARM<br />
Energises at end of Chill cycle to indicate ‘Hold’ mode. Fe-energised when in<br />
(HOLD)<br />
Standby or Chill<br />
Relay 6 Relay 6 Operation:<br />
NOT USED (NON) Output disabled (always off)<br />
EVP FAN<br />
Control of evaporator fan output (subject to defrost and door switch<br />
(FAN)<br />
functions)<br />
DEFROST HEATER (DEF) Control of defrost heater/solenoid<br />
System 1<br />
Func. EOC<br />
Func. AL CLS<br />
16