Panasonic PRO-HT Tank Series Technical Manual page 66

Electrical Wiring
RTC5B
L
N
C
B
U1
U2
WHT
R1
1
BLK
R2
2
7
i
64
Wiring system diagram
Power supply
L
RTC5B
N
220/230/240 V,
L
L
N
~, 50 Hz
A
N
Ground
L
Remote
B
U1 D
N
controller
U2
D
WHT WHT
1 1
1 R1
U1
BLK
BLK
2 R2
2 2
U2
Control wiring (D)
Shielded wire
Wiring types
A: Power supply outdoor unit, see installation instructions of the related outdoor unit
B: Power supply tank controller
C: Communication wiring between Outdoor unit and tank controller
D: Connection cable for remote controller
This equipment must be properly earthed.
1. Use the standard power supply cables (A & B), for Europe (such as H05RN-F or
H07RN-F which conform to CENELEC (HAR) rating specifications) or use the cables
based on IEC standard. (60245 IEC57, 60245 IEC66).
Refer to 7.2 Recommended Wire Diameter for recommended minimum cable sizing.
2. For inter-unit connection (C), 0.75 mm² (AWG #18) shielded wiring required,
grounded at both ends.
3. For control wiring (D), 0.75 mm² (AWG #18) shielded wiring required, grounded at
PRO HT Tank control unit only.
Note
* Please follow local wiring regulations to ensure wiring and circuit breaking devices meet
compliance.
Tank
B
controller
L
N
C
L
SG
C
L
N
U1
N
U2
R1
U1
R2
U2
(SG: Shows the ground for the shielded cable.)
Ground
Ground
Outdoor unit
INV unit
A
A
L
L1
SG
Power supply
L1
L2
N
U1
L2 380/400/415 V,
L3
U2
L3
N 3N~, 50 Hz
N
Ground
Inter-unit wiring (C)
Shielded wire
Ground
PAW-VP•LDHW - Technical Manual – 2020-07