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Idiomas disponibles
Idiomas disponibles
Terminal C1 / C2: External ON/OFF Input
• If the contact is closed, Dx-coil controller is switch on. If the contact is opened, the system is switch off.
• External ON/OFF input signal type (pulse / static) is selectable by Jumper Wire J01 as table below.
• If the system is switched using the external contact, then switching ON/OFF using the remote controller is still possible.
External ON/OFF
Input (Input, DC5 V)
COM (0 V)
The position of J01 (MCC-1570)
J01
Connect
Cut
Terminal C3 / C4: Demand Signal Input
• When signal input, AHU is in "thermostat-off" status forcibly.
COM (0 V)
Demand signal Input
(Input, DC 5 V)
MAX. 2 m
C1
C2
Action
Pulse input
ON
(At factory setting)
Pulse width 200 to 300ms
Pulse interval 200ms or more
Static input
MAX. 2 m
C3
C4
– 20 –
Local supply
Relay coil signal
OFF
ON
OFF
Local supply
Relay coil signal
EN
20-EN
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