4
Wiring Design
33
4-4. Design of control wiring
Summary of control wiring
1. All system interconnecting and central control wiring should be 2 conductor shielded cable.
2. On the header unit the control wire shield and the central control wire shield should both be connected to the
same ground screw in the header unit.
3. The remote control wiring can be 2 conductor un-shielded cable.
4. All system interconnecting and control wiring should be sized per table 1, 2 and 3.
5. Control wire and power line wire between FS unit and indoor unit are the accessory parts of FS unit. (Wire length
: 20 ft (6 m))
If the length between indoor unit and FS unit exceeds 16 ft (5 m), connect by using the connection cable kit sold
separately (RBC-CBK15FUL).
r
o
o
d
t
u
o
r
e
w
o
ll
o
F
r
o
o
d
t
u
o
r
e
d
a
e
H
Central control
U1 U2 U3 U4
U
3
U
2
U
1
U
6
U
5
U
4 U5 U6
U1 U2
U3 U4
Control wiring between outdoor units (Shielded wire)
Central control wiring (Shielded wire)
Control wiring between indoor and outdoor units (Shielded wire)
Control wiring between indoor units (Shielded wire)
t
i
n
u
S
F
t
i
n
u
S
F
2
U
1
U
B
A
2
U
1
U
A
2
U
1
U
B
A
2
U
1
U
B
A B
t
i
n
u
r
o
o
d
n
I
t
i
n
u
r
o
o
d
n
I
t
i
n
u
r
o
o
d
n
I
Indoor unit
A B
A
B
A
B
l
o
r
t
n
o
c
e
t
o
m
e
R
l
o
r
t
n
o
c
e
t
o
m
e
R
l
o
r
t
n
o
c
e
t
o
m
e
R
(Group control)
CN81
CN02
CN81
CN02
CN81
(Cooling only)
Summary of Contents for Carrier MMC-AP0181H2UL
Page 61: ...5 Outdoor unit 60 Model MMY MAP0964HT9UL MAP0964HT6UL MMY MAP1144HT9UL MAP1144HT6UL 72 9 ...
Page 76: ...5 Outdoor unit 75 Model MMY MAP0724FT6UL 460 V 60 Hz WHI WHI WHI PUR ...
Page 77: ...5 Outdoor unit 76 Model MMY MAP0964FT9UL MAP1204FT9UL 208 230 V 60 Hz ...
Page 78: ...5 Outdoor unit 77 Model MMY MAP0964FT6UL MAP1204FT6UL 460 V 60 Hz WHI WHI WHI PUR ...
Page 79: ...5 Outdoor unit 78 5 6 2 Heat pump Model MMY MAP0724HT9UL ...
Page 80: ...5 Outdoor unit 79 Model MMY MAP0724HT6UL ...
Page 81: ...5 Outdoor unit 80 Model MMY MAP0964HT9UL MAP1144HT9UL ...
Page 82: ...5 Outdoor unit 81 Model MMY MAP0964HT6UL MAP1144HT6UL ...
Page 212: ...MEMO ...
Page 213: ...Engineering Data Book For North America August 2015 First Edition ...
