Design Of Control Wiring - Toshiba MMU-AP0072H2UL Engineering Data Book
208/230 v, 60 hz; 460 v, 60 hz
Hide thumbs
Also See for MMU-AP0072H2UL:
- Service manual (178 pages) ,
- Service manual (176 pages) ,
- Manual (28 pages)
Table of Contents
Advertisement
4
Wiring Design
4-4. Design of control wiring
Summary of control wiring
Central control
U1 U2
U3 U4
CN81
Indoor unit
(Cooling only)
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).
H
e
a
d
r e
o
u
d t
o
r o
U1 U2 U3 U4
U
5
U
6
Central control wiring (Shielded wire)
Control wiring between indoor and outdoor units (Shielded wire)
Control wiring between indoor units (Shielded wire)
F
S
u
n
t i
CN02
CN81
U
1
U
2
A
B
n I
d
o
r o
u
n
t i
A B
R
e
m
o
e t
c
o
n
r t
l o
F
o
o l l
w
r e
o
u
d t
o
r o
U
1
U
2
U
3
U
4 U5 U6
Control wiring between outdoor units (Shielded wire)
F
S
u
n
t i
CN02
CN81
U
1
U
2
A
B
n I
d
o
r o
u
n
t i
A
B
R
e
m
o
e t
c
o
n
r t
l o
33
U
1
U
2
A
B
n I
d
o
r o
u
n
t i
A
B
R
e
m
o
e t
c
o
n
r t
l o
(Group control)
U
1
U
2
A B
- Quick Links:
- 4-Way Cassette Type
- High Wall Type
Hide quick links:
Advertisement
Chapters
Table of Contents
