CIAT Magister 2 Series, Установка, Эксплуатация, Пусконаладка, Обслуживание

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
Resetting:
If the number of faults in 24 hours

3: The fault is automatically
acknowledged after 120 seconds and the fault input is closed.
If the number of faults in 24 hours

3: Acknowledge by pressing
Reset on the console and by closing the fault input.

Fault memory:

If P42 = CIAT (bus link)
Expansion valve actuator and expansion valve b oard protection:
If any of these four faults is detected on the corresponding
refrigerating circuit, the circuit is shut off and the fault is reported.
The circuit may restart when the fault disappears.
- Link fault in machine status
- Link fault in fault memory
EXV actuator fault in machine status
EXV actuator fault in fault memory
Expansion valve VCM board fault
9.6 Phase controller fault
The phase controller protects the entire machine. It must be wired
to terminals 7-8 on terminal block J5 on the motherboard. The machine is shut off when a fault occurs on the phase
controller (contact opens).

Fault message:

If a fault occurs:
- Fault saved in fault memory
- Relay in On position - Phase control fault relay on relay board in On position
- General fault LED on console lit steady

Resetting:
The opening of the input starts a 2-minute time delay. The fault is
acknowledged at the end of this period provided the contact is closed. The input is not read during this time delay.

Message in fault memory:
9.7 Pump fault
Pump faults are automatically reset. They disappear when acknowledged on the circuit breakers.

If P25 = 0:
No pumps supplied by CIAT. Only pump 1 fault is managed in the same way if P25 = 1.
If a pump fault occurs after the last control stage is shut off but before the pump is shut off (1 minute after), the water flow fault is not
managed. Instead, the pump is shut off.
F A U L T O N E X V c x
B O A R D L I N K F A U L T
C I R C U I T 1 E X V
- E X P A N S I O N V A L V E 1 L I N K
A C T U A T O R F A U L T
C I R C U I T 1 E X V
- E X V 1 A C T U A T O R
C I R C U I T X O F F
E X P . V A L V E F A U L T
F A U L T O N E X V X
X C U T S I N 2 4 H
M A C H I N E O F F
P H A S E C O N T R O L L E R F A U L T
X - P H A S E C O N T R O L L E R