Part
5. Installation Manual
134
Design Guide
DCM014A51
6. Wiring specifications
• Cable type: CPEV cable
• Core thickness: AWG 22-19
• Cable length: 656 ft. or less
Pulse width
A.
Pulse width: 20 to 400 ms
B.
Pulse interval: 100 ms or more
7. Connecting the
iTM
Plus Adaptors
When networking several indoor units, use
iTM
Plus Adaptors. A single
iTM
is limited to
controlling 64 indoor groups. By installing
iTM
Plus Adaptors, an additional 64 indoor unit
groups per adaptor is possible. Additionally, as the
iTM
can be connected with a maximum of
seven
iTM
Plus Adaptors, a total of 512 groups of indoor units can be controlled with a single
iTM.