Wiring System Diagram - Panasonic CZ-24KPU1U Series Installation Instructions Manual

Indoor Unit
Type
U1, K1, T1, F1
Control Wiring
(A) Inter-Unit Control Wiring
AWG #18
Use high voltage wire (300 V)
M a . x 3 3 , 0
4-3. Wiring System Diagrams
Basic wiring diagram for standard control
Wire joint
connection
Remote Remote
B B
controller Controller
WHT WHT
1 1 1 1
BLK BLK
2 2 2 2
C C
NOTE
NOTE
Disconnect switch may be needed by the National/Local code. Disconnect switch may be needed by the National/Local code.
ALWAYS COMPLY WITH NATIONAL AND LOCAL
ALWAYS COMPLY WITH NATIONAL AND LOCAL
CODE REQUIREMENTS. CODE REQUIREMENTS.
NOTE
NOTE
(1) Refer to Section 4-2. Recommended Wire Length (1) Refer to Section 4-2. Recommended Wire Length
and Wire Diameter for Power Supply System for the
and Wire Diameter for Power Supply System for the
explanation of "A", "B" and "C" in the above diagrams.
explanation of "A", "B" and "C" in the above diagrams.
(2) Inter-Unit Control Wiring (A) and remote control
wiring (B), (C) have no polarity. But for other wiring,
respect polarity. Be sure to connect as shown in the

Wiring System Diagram.

(3) In case of separate supply connection to indoor unit,
over current protection must be provided between
power source and indoor unit.
MAXIMUM OVER CURRENT PROTECTION 15 A
(FUSE OR HACR TYPE CIRCUIT BREAKER)
Panasonic̲PAC-i̲OutdoorUnit̲US-l22 22
Panasonic̲PAC-i̲OutdoorUnit̲US-l22 22 Panasonic̲PAC-i̲IndoorUnit̲US-le38 38
Panasonic̲PAC-i̲IndoorUnit̲US-le38 38 Panasonic̲PAC-i̲IndoorUnit̲US-le38 38
Time delay fuse or
circuit capacity
15 A
(B) Remote Control Wiring
AWG #18
* 1
0 . t f M
Inter-unit power line Inter-unit power line
Indoor Indoor
208 / 230 V, 60 Hz, 1-PH 208 / 230 V, 60 Hz
unit unit
* *
L1 1
2
L2
G
Grounding line Grounding line
A A
U1 U1
U2 U2
Inter-unit power line Inter-unit power line
Indoor
Indoor
208 / 230 V, 60 Hz, 1-PH 208 / 230 V, 60 Hz
unit unit
* *
1
L1
2
L2
G
Wire joint Grounding line Grounding line
A A
connection
U1 U1
U2 U2
(C) Control Wiring For Group Control
* 2
2
(0.75 mm )
a . x 1 6 , 5 0 . t f
Outdoor unit Outdoor unit
INV unit INV unit
L1 L1
L1 L1
L2 L2
L2 L2
Grounding line Grounding line
1 1
2 2
G G
U1 U1
U2 U2
Outdoor unit Outdoor unit
INV unit INV unit
L1 L1
L1 L1
L2 L2
L2 L2
Grounding line Grounding line
1 1
2 2
G G
U1 U1
U2 U2
U1, T1, F1 Types U1, T1, F1 Types
5P terminal board 5P terminal board
L1 L2
Power
Power
Inter-unit supply
supply
control wiring
5P terminal board
38
* 2 -
2
AWG #18 (0.75 mm )
M a . x 6 5 0 ft. (Total)
-
AWG=American Wire Gauge
With ring-type wire terminal
* 1
Wire joint connection
* 2
Power supply Power supply
208 / 230 V, 60Hz 208 / 230 V, 60Hz, 1-PH
* Disconnect switch * Disconnect switch
Field supply Field supply
Power supply Power supply
208 / 230 V, 60Hz 208 / 230 V, 60Hz, 1-PH
C Type (Outdoor Unit)
8P terminal board
L1 L2 U1 U2
U1 U2
U1 U2 1 2 G L1 L2
Unit
Unit Remote
control Inter-unit Power wiring
control control
Remote
power wiring Line
Line Line
control
Line
K1 Type K1 Type
L1 L2 U1 U2
Power Unit Remote
supply control control
Line Line
2011/07/08 9:46:23
2011/07/11 21:19:05 2011/07/08 9:46:23
2011/11/02 15:17:31 2011/11/02 15:17:31