3 - 14
Controller
MEE15K022
3. System remote controller
YKB/YLM 2nd
Advanced touch controller
AT-50B
Power supply unit
PAC-SC51KUA
M-NET
ME remote
controller
M-NET
M-NET
ME remote
Indoor unit
Indoor unit
Indoor unit
Indoor unit
Mr.Slim
Outdoor unit
Outdoor unit
Outdoor unit
controller
LOSSNAY
remote
controller
ME remote
controller
LOSSNAY unit
1. Power supply to AT-50B
A
T-50B needs DC power supply of M-NET (24~32VDC) for centralized control transmission use, operation.
(1).
Power supply of M-NET from power supply unit P
AC-SC51KUA.
Power supply unit PAC-SC51KUA is recommended for A
T-50B. See the diagram below ; for details, please refer to
the installation manual of Power supply unit P
AC-SC51KUA
Fig. 1 Basic structure of A
T-50B and PAC-SC51KUA
MA: MA remote controller
MA
M-NET
adapter
Fig. 2 AT-50B, TB7 scheme
Centralized control
transmission line
Indoor/outdoor transmission line
Indoor/outdoor transmission line
R410A
TB7
TB7
Outdoor unit
CN41
CN40
CN41
(2). Power supply of M-NET from outdoor unit connector TB7.
As shown on Fig. 2, AT-50B receives power supply of M-NET from R410A outdoor unit connector TB7.
In case one of the outdoor units should change its power supply, switch CN41 to CN40.
*NOTE: This method applies to R410A CITY MUL
TI outdoor unit except PUMY (S series)
MA
Advanced touch controller
AT-50B
