22
Installation Manual 3P291714-8H
DCM601B71 intelligent Touch Manager
English
2.5.2
Wiring specifications
• Cable type: CPEV cable
• Core thickness: AWG 22-19
• Cable length: 656 ft. or less
<Pulse width>
A
B
A
Pulse width: 20 to 400 ms
B
Pulse interval: 100 ms or more
CAUTION
•
The contact connected to the contact input terminal must be capable of han
-
dling 10 mA at 16 VDC.
•
If an instantaneous contact is used for triggering an emergency stop, use one
that has an energization time of 200 ms or more.
NOTE
Once the emergency stop input signal is turned on, all air conditioners stop and do not
restart until the emergency stop input is cleared. When the manual reset is specified for
the resetting method, you need to clear the emergency stop using the intelligent Touch
Manager.
2.6
Connecting iTM plus adaptors
If you have many air conditioners, use iTM plus adaptors to connect them. You can con-
nect up to 64 groups to 1 DIII-NET port. It is a fact that the number of indoor groups you
can control using a single intelligent Touch Manager is limited to 64. By using an iTM plus
adaptor, you can connect an additional 64 indoor unit groups.
Using all 8 DIII- NET ports, you can connect and control a total of 512 groups of indoor
units at maximum.
WARNING
•
Be sure to perform the operation during power-off conditions. Not doing so
may cause an electric shock.
•
Do not clamp high-current cables together with low-current cables.
