Mitsubishi Electric CITY MULTI PQHY-P-YLM-A1 Instruction Manual page 4

8
[Fig. 8.4.1]
TB8
3
4
[Fig. 8.4.2]
A
TB8
X
1
D
2
3
E
4
A
TB8
X
1
D
2
3
E
4
8
[Fig. 8.5.1]
A
TB8 TB9
1
1
2
2
3 3
4 4
5
6
A
TB8 TB9
1 1
2
2
3
3
4
4
5
6
A : Heat source unit
E : Flow switch *1
I : Pump interlock
*1 These items are not supplied.
*2 Do not connect the power cables to TB9-1 and 2 to supply power to the motor valve. Doing so may cause damage to the Input/Output board.
4
63PW
A
B
Flow switch: FS
52P
Flow switch: FS
C
Ground
0~10 VDC
Ground
0~10 VDC
220/230/240 VAC
220/230/240 VAC
B : Motor valve *1
F : Water pipe
J : Operation ON signal
8.4
A : Pump interlock circuit connection (field-supplied)
L1 L2
~ 240/230/220 V
MCB
52P
A : Heat source unit
B : Control panel (field-supplied)
C : To next heat source unit
D : Operation ON signal
E: Pump interlock
MP
8.5
K
B C
K
B C
I
E
I
E
C : Tuning valve *1 D : Shutoff valve *1
G: Power cable H : Signal cable
K : Opening command L : Power supply for motor valve
(24 VAC or 24 VDC) *2
220/230/240 VAC
J
L
D
220/230/240 VAC
J
L
D
D
D
F
G
H