Mitsubishi Electric CITY MULTI PUHY-P-YSMF-B Manuel D'installation page 29

2. The control box cover is removed by removing the 2 screws and
pulling downward. (The control box with the cover removed is shown
in the figure below.)
3. Method of using conduit mounting plate
The equipment includes conduit mounting plates (ø27, ø33, ø40).
Select the mounting plate according to the diameter of the conduit
used, and mount as shown in the figure below.
If conduit is connected
If conduit is connected
from the front
Tapping screw
from the front
Tapping screw
c. Transmission booster (optional)
(For details, see item 11.3. "Wiring transmission cables")
Connect 220/230/240 VAC to L/N of power terminal block (TB1).
Connect the ground to the terminal of power terminal block (TB1).
Connect the outdoor unit side transmission cables to A/B of transmission cables terminal block 1 (TB2).
Connect the outdoor unit side shield to S of transmission cables terminal block 1 (TB2).
Connect additional indoor unit side transmission cables to A/B of transmission cables terminal block 2 (TB3).
Connect additional indoor unit side shield to S of transmission cables terminal block 2 (TB3).
Power terminal Power terminal
block (TB1) block (TB1)
and Earth and Earth
If conduit is connected If conduit is connected from
from the bottom the bottom
Unit front Unit front
TRANSMISSION BOOSTER
MODEL
PAC-SF46EPA
220-240V:0.7A ~/N
POWER RATING
50
WEIGHT 3.4kg
MADE IN JAPAN
4. Wiring connection
Connect indoor unit crossover cables of the transmission cables ter-
minal block (TB3) of the variable capacity unit to the transmission
cables terminal block (TB3). When making an indoor/outdoor con-
nection with shielded wiring, connect the shield ground to the shield
terminal (TB3).
Controlbox Power
Controlbox Power
terminal block
terminal block
(TB1) (TB1)
UP
1 0 1
Address Address
CONT. board CONT. board
L1 L2 L3 N
M1 M2 S
Transmission Transmission
cables terminal block cables terminal block
(TB3)
(TB3)
Transmission cables
Transmission cables
terminal block 2 (TB3)
terminal block 2 (TB3)
Transmission cables
Transmission cables
terminal block 1 (TB2) terminal block 1 (TB2)
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