ENGLISH
2.The control box cover is removed by removing the 2 screws and pull- ing 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 (ø 27, ø 33, ø 40). Select the mounting plate according to the diameter of the conduit used, and mount as shown in the figure below.
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If conduit is connected |
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Unit front
4.Piping 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 earth screw (
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1 0 1
Address
CONT. board
Controlbox | Power | Earth screw | Transmission |
| terminal block | (E) | cables terminal block |
| (TB1) |
| (TB3) |
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 block (TB1)
Earth
T B 1
220V - 240V ~/N
L N
UP
TB 3 | B S |
| A |
2 | S |
TB | B |
| A |
Transmission cables terminal block 2 (TB3)
Transmission cables terminal block 1 (TB2)
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