Mitsubishi Heavy Industries FDCW100VNX-A, Technical Manual

Page: 108 / 315

Installation
'19 • HM-T-340
Indoor unit installation
For details of connecting the pump, refer to External pump
control (GP10).
NOTE
Mark up any junction boxes with warnings for external
voltage.
myUpway
™
Connect the network connected cable (straight, Cat.5e UTP)
with RJ45-contact (male) to contact AA4-X9 on the display
unit (as illustrated). Use the cable grommet (UB2) in the
control module for cable routing.
AA4-X9 -
RC-HY40
-W
Recommended fuse size
Please refer to page 95.
Recommended cable size
Please refer to page 95.
Power source
Please refer to page 95.
Connection between indoor unit and controller
<HSB series with RC-HY40
-W
>
Connect the port 1(A), 2(B) and 3(GND) on X4 terminal on
AA5 board on RC-HY40-W to the port 1, 2 and 3 on X4
terminal on AA23 board on HSB series respectively.
In case several systems are connected to one controller, connect
the port 4, 5 and 6 on X4 terminal on AA23 board on HSB
series close to the controller to the port 1, 2 and 3 on X4
terminal on AA23 board on another HSB series.
1 2 3
A D N G B
4 5
6
5
4
3
2
1
A
B
GND
A
B
GND
6
5
4
3
2
1
A
B
GND
A
B
GND
HSB HSB
AA5-X4
AA5-X4
AA23-X4
AA23-X4
RC-HY40-W
ON
1 2 3 4 5 6 7 8
-X9
-X2
24
20
21
22
23
15
16
17
18
19
10
11
12
13
14
5
6
7
8
9
1
1 E P E P L N
1 2 3 4 5
2
1 2
3 4 5 6 7 8 9
2
3
4
-X8
-X4
-X10 -X1
RC-HY40-W
Circulation pump (GP12)
For HSB series, circulation pump (GP12) is installed outside of
indoor unit. Choose correct terminal according to the type of
controller.
<HSB series with RC-HY40
-W
>
Connect the port 5, 6 and 7 on X4 terminal on AA2 board on
RC-HY40-W to the port PE, N and L on circulation
pump (EB101-GP12) respectively. Control signal cable is
connected between the port 7 and 8 on X4 terminal on AA3
board on RC-HY40 and GND and PWM on circulation pump
respectively as shown below.
E
xternt
PE
L
N
External
AA2-X4
EB101-GP12
L N 1 1 0 2 3 4 PE
1 2 3 4
LEK
1 2 3 4
AA2-X4
4 5 6 7 8 9
RC-HY40-W
0 1 9 8 7 6 5
E
xternt
External
AA3-X4
EB101-GP12
PWM GND
RC-HY40-W
AA3-X4
- 106 -
RC-HY40-W
RC-HY40-W
#