Table of Contents
SPECIAL INSTRUCTIONS—ELECTRICAL WORK
▼ Power supply
Power supply
Wire size
Power supply wiring
▼Control wiring, Central control wiring
2-core shielded wires (non-polarity) are used for the control wiring between the indoor and outdoor
units and central control wiring.
The length of the communication line is the total length of the inter unit wire between the indoor and
outdoor units added to the central control system wire length.
▼ VRF Communication Line (U1/U2)
VRF Control wiring between indoor unit
and outdoor unit (2-core shield wire)
Central control line wiring (2-core shield
wire)
▼ Remote controller wiring (A/B)
Remote control wiring, remote controller inter-unit
wiring
Total wire length of re-
mote control wiring and
remote control inter-unit
wiring = L + L1 + L2 +
... Ln
Total wire length of remote control inter-unit wiring = L1
+ L2..Ln
035-000051-001
208 / 230V 1ph 60Hz
Refer to "MMD electrical data" table
Up to 164'1" (50m)
Wire Size
Wire Size
In case of wired type only
In case of wireless type in-
cluded
Page 33 of 60
(Up to 3280'10"(1000m)) AWG16
(Up to 6561'8" (2000m)) AWG14
(Up to 3280'10" (1000m)) AWG16
(Up to 6561'8" (2000m)) AWG14
2-core, non-polarity, Wire size: AWG20
Up to 1650'5" (500m)
Up to 984'3" (300m) in case of two remote
control by RBC-AMS54E-UL
Up to 1312'4" (400m)
Up to 656'2" (200m)
MMD IOM 1.2 11-10-2020
Hide quick links:
Table of Contents
