Mitsubishi Heavy Industries HMK60, Installation Manual

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38
Electrical installation
Connection between controller and circulation
pump (GP12)
HSB60
For HSB60, circulation pump (GP12) is installed outside of
indoor unit. Choose correct terminal according to the type of
controller.
<HSB60 with RC-HY20>
Connect the port 5, 6 and 7 on X4 terminal on AA2 board on
RC-HY20/40 to the port PE, N and L on circulation pump
respectively. Control signal cable is connected between the
port 1 and 2 on X2 terminal on RC-HY20 and PWM and GND
on circulation pump respectively as shown below.
4 5 6 7 8 9
SMO
Externt
PE
L
N
External
RC-HY 20
AA2-X4
EB101-GP12
2
1
4
3
SMO
Externt
External
RC-HY 20
X2
EB101-GP12
PWM
GND
LEK
L N 1 1 0 2 3 4 PE
AA2-X4
RC-HY20
RC-HY20
X2
<HSB60 with RC-HY40>
Connect the port 5, 6 and 7 on X4 terminal on AA2 board on
RC-HY40 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.
SMO
E
xternt
PE
L
N
External
RC-HY 40
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
0 1 9 8 7 6 5
SMO
E
xternt
External
RC-HY 40
AA3-X4
EB101-GP12
PWM GND
RC-HY40
AA3-X4
RC-HY40 can connect and control up to two pumps. Connect
the port 12, 13 and 15 on X4 terminal on AA2 board on RC-
HY40 to the port PE, N and L on second circulation pump
(EB102-GP12) respectively. Control cable is connected
between the port 5 and 6 on X4 terminal on AA3 board on RC-
HY40 and GND and PWM on circulation pump respectively as
shown below.
AA2-X4
1 1 2 1 3 1 4 1 5 1 6 1
SMO
E
xternt
PE
L
N
External
RC-HY 40
EB102-GP12
L N 1 1 0 2 3 4 PE
1 2 3 4
LEK
1 2 3 4
AA2-X4
RC-HY40
3 4 5 6 7 8
SMO
E
xternt
External
RC-HY 40
AA3-X4
EB102-GP12
PWM GND
RC-HY40
AA3-X4