BPMKS049A3U Installation Manual

English 13
Connecting the Wiring
Connection example of total system wiring
CAUTION
Be sure to connect the power line to L1 and L2.
Work procedure
1) Remove the screws and pull off the electrical wiring box cover.
2) Tape is attached to the wire retainer. The purpose of the tape is to prevent small animals from entering the unit.
Only remove the tape from places where wiring it to be passed through.
CAUTION
If the tape is not replaced for places where wiring will not pass through, small animals may enter, causing product malfunction.
16V
L2
L1
L2
L1
L2
L1
B
A
B
A
A
B
A
B
Power
Ground
Outdoor unit
Power
Ground
BP unit
Indoor unit
Indoor unit
Indoor unit
Indoor unit
Indoor unit
Indoor unit
Indoor unit
Indoor unit
BP unit
BP unit
Wiring method for the power line.
Power
Power
Power
• Be sure to prepare a power
supply for each BP unit.
BP unit
3
BP unit
2
BP unit
1
Power
Ground
Power
Ground
3
2
1
Ground fault circuit
interrupter
Branch switch
overcurrent
breaker (fuse)
A: Ground fault
circuit interrupter
B: Branch switch
overcurrent
breaker (fuse)
Screw (M4)
Electrical wiring
box cover
44
44P
The tape to prevent the entry of small animals
(tape is attached when unit is shipped to
prevent animals from entering the unit)
Wire retainer
The tape to
prevent
the entry of
small animals
The tape to
prevent the entry
of small animals
Wire retainer
01_EN_3P329626-1.fm Page 13 Friday, November 9, 2012 11:10 AM