59
S1
S2
L
N
L
N
S1
S2
S3
S3
A
C
B
D
G
E
B
C
F
A Outdoor unit power supply
B Earth leakage breaker
C Wiring circuit breaker or isolating switch
D Outdoor
unit
E FTC unit/outdoor unit connecting cables
F FTC
unit
G FTC unit power supply
N
L
S2 S3
S1
E: FTC unit/outdoor unit
connecting cable
Power Supply Cables
TB6
Photo.2-3
CNS2
2.1.2. Separate FTC unit/outdoor unit power supplies
The following connection patterns are available.
The outdoor unit power must be powered properly(Details are shown in its installation manual).
If the FTC and outdoor units have separate power supplies, refer
to the table below.
Separate power supply specifi cations
FTC unit controller connector
(CNS2) connection change
Disconnected
Outdoor unit DIP switch set-
tings (when using separate FTC
unit/outdoor unit power supplies
only)
ON
3
OFF
1
2
(SW8)
Set the SW8-3 to ON.
FTC unit model
PAC-IF021B-E
FTC unit power supply
~/N (Single Phase), 50 Hz, 230 V
FTC unit input capacity
Main switch (Breaker)
*1
16 A
Wiring Wire No. × size
(mm
2
)
FTC unit power supply & earth
3 × Min. 1.5
FTC unit-Outdoor unit
*2
2 × Min. 0.3
FTC unit-Outdoor unit earth
–
Circuit
rating
FTC unit L-N
*3
AC 230 V
FTC unit-Outdoor unit S1-S2
*3
–
FTC unit-Outdoor unit S2-S3
*3
DC24 V
*1. A breaker with at least 3.0mm contact separation in each pole shall be provided. Use earth leakage breaker (NV).
*2. Max. 120 m
*3. The fi gures are NOT always against the ground.
Notes: 1. Wiring size must comply with the applicable local and national code.
2. Power supply cables and FTC unit/outdoor unit connecting cables shall not be lighter than polychloroprene
sheathed fl exible cable. (Design 60245 IEC 57)
3. Install an earth wire longer than other cables.
Summary of Contents for Mr.SERVICE PUHZ-HRP100VHA2
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