Specifications

CNTR-16
CONTROLLER (Feb. 2009)
CONTROLLER
DATA U4
Central controller
G-50A
LAN
Power supply unit
PAC-SC50KUA
M-MET
12V DC
ME remote
controller
M-NET
M-NET
ME remote
controller
LOSSNAY M-NET
remote
controller
ME remote
controller
LOSSNAY unit
UP
POWER RATING
MODEL
WEIGHT
SERIAL No.
2.11kg
POWER SUPPLY UNIT
MITSUBIS HI ELECTRIC CORP ORATION
PAC-SC50KUA
3-4-1. Power supply to G-50A
G-50A needs DC power supply of 24~30V and 12V; the former is for central control transmission use and the latter is for
G-50A's operating and LAN function use. G-50A can have power-supply at following 1,2,3 methods.
3-4-1-1. Power supply unit PAC-SC50KUA is the recommended power supplier for G-50A. The basic scheme is as follows.For
details, please refer to 3-6 Power supply unit PAC-SC50KUA.
3-4-1-2. Power supply of DC 30V from connector of TB7 or TB3 of Outdoor unit and field supplied DC12V, which specified at
Ta ble 3-4-1.
3-4-1-2-1. TB7 and field supplied DC 12V, 0.2A.
As shown at Fig. 3-4-2, G-50A receives power supply of DC 30V from the connector of TB7 at the R410A Outdoor unit
together with a field supplied DC12V, 0.2A. In the case, one of the Outdoor units should change its power supply switch of
CN41 to CN40.
Fig. 3-4-1 G-50A and PAC-SC50KUA basic scheme.
Fig. 3-4-2 G-50A, TB7 and field supplied DC12V scheme.
Field supplied power
(DC12V 0.2A)
Centralized control
transmission line
Indoor/outdoor transmission line
Indoor/outdoor transmission line
R410A
Outdoor unit
CN41 CN40
CN41
DC12V Power source should follow the specifications at Table 3-4-1, and the power cable to G-50A should not exceed
32-
3
/
4
ft .
10m
Ta ble 3-4-1 DC12V power specifications
Source power
Ripple noise
Compatible
specification
Authorized or CE marked products.
Subject to regulations:
IEC60950 (or EN60950)
CISPR22/24 (or EN55022/24)
IEC61000-3-2/3-3 (or EN61000-3-2/3/3)
DC12V 0.2A (Maximum loading)
Lower than 150mVp-p
3. SYSTEM CONTROLLER