Switch Settings - Mitsubishi Electric CMB-WM108V-AA Service Handbook

[ II Restrictions ]
2) Remote controller wiring
Type
Cable Number of
type cores
Cable size
Maximum overall
line length
*1 MA remote controller refers to MA remote controller (PAR-4"x"MA series, PAR-3"x"MA series ("X" represents 0 or
later), PAR-CT01MA series, PAR-21MAA), MA simple remote controller, and wireless remote controller.
*2 PAR-U02MEDA, PAR-F27MEA
*3 The use of cables that are smaller than 0.75mm
*4 70 m [229 ft] max for PAR-CT01MA series
*5 To wire PAR-CT01MA series, PAR-4"x"MA series, PAR-3"x"MA series ("X" represents 0 or later), and Simple MA
remote controller, use a wire with a diameter of 0.3 mm

[3] Switch Settings

1. Switch setting
The necessary switch settings depend on system configuration. Before performing wiring work, refer to the following page(s).
[7] Example System with an MA Remote Controller
[8] Example System with an ME Remote Controller
[9] Example System with an MA and an ME Remote Controller
If the switch settings are changed while the unit is being powered, those changes will not take effect, and the unit will not
function properly.
Units on which to set the switches
CITY MULTI indoor unit
*1
LOSSNAY
ME remote controller
MA remote controller
CITY MULTI outdoor unit
HBC controller
*1. Applicable when LOSSNAY units are connected to the indoor-outdoor transmission line.
*2. When setting the switch SW4 of the control board, set it with the outdoor unit power on. Refer to the outdoor unit service
handbook.
HWE1708A
*1
MA remote controller
VCTF, VCTFK, CVV, VVR,
VVF, VCT
2-core cable
2 *3 *5
0.3 to 1.25mm
[AWG22 to 16]
*4
200 m [656ft] max.
Main/sub unit
Main/sub remote
controller
Main/sub remote
controller
Main1- 2
Sub1 - 2
ME remote controller
10 m or less
Shielded cables CVVS, CPEVS, and MVVS
2-core cable (one pair (P) for a single wire)
2 *3
0.3 to 1.25mm
[AWG22 to 16]
10 m [32ft] max.
2
(AWG18) is recommended for easy handling.
2
[AWG22].
Symbol Units to which the power must be shut off
IC Outdoor units and Indoor units
LC Outdoor units and LOSSNAY
RC Outdoor units
MA Indoor units
OC Outdoor units
HB1 - 2 Outdoor units and HBC controller
HS1 - 2 Outdoor units
- 31 -
*2
Over 10 m
2 *3
1.25mm or more
[AWG16 or more]
The section of the cable that
exceeds 10m [32ft] must be
included in the maximum
indoor-outdoor transmission
line distance.
*2
and HBC controller
GB