Ground - Mitsubishi Electric MXZ-4C36NAHZ Technical & Service Manual

7-3. TYPICAL CONTROL SYSTEM
OC
(51)
L
1
TB3
TB7
M1 M2 S M1 M2 S
L
3
L
2
OC
(53)
TB7
L
4
A
TB3
M1 M2 S M1 M2 S
Power Supply
A
Unit
M1 M2 S
L
System
5
controller
M1 M2 S
(1) Difference between display and operation
1
2
- :
- :
3
4
(2) Timer operation
1
2
3
(3) Manual operation prohibition
1
(4) Trouble
1
OCH573E
TB3A TB
TB5/TB15
Branch Box
1 A
S1 S1 A-IC
MA-RC
2 B
S2 S2
(01)
S3 S3
TB5 TB
TB3B TB5/TB15
M1 S1 S1 A-IC 1 A
MA-RC
M2 S2 S2 2 B
(02)
S3 S3
S
TB3C TB TB5/TB15
S1 1
S1 A-IC A
MA-RC
S2 2
S2 B
(03)
S3
S3
(01)
TB3D TB
S1 S1 A-IC
WL-RC
S2 S2
(04)
S3 S3
TB3E
TB
S1 S1
A-IC
S2 S2 WL-RC
(05)
S3 S3
TB3A
Branch Box TB
TB5/TB15
S1 S1 1 A
A-IC
MA-RC
S2 S2 2 B
(06)
S3 S3
TB5 TB3B TB
(06)
M1 S1 S1
A-IC
WL-RC
S2 S2
M2 (07)
S3 S3
S
TB3C TB
S1
S1 A-IC
S2 WL-RC
S2
(08)
S3
S3
IMPORTANT:
If a current leakage breaker is used, it should be compatible with higher
harmonics as this unit is equipped with an inverter. The use of an inadequate
breaker can cause the incorrect operation of inverter.
Longest length via outdoor units:
500 m (1640 ft.) (1.25 mm 2 or more)
L 1 + L 2 + L 3 + L 4 + L 5
Longest transmission cable length
200 m (656 ft.) (1.25 mm 2 or more)
L 1 + L 2 , L 3 + L 4 , L 5
-
- :
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