Mitsubishi Electric City Multi PQHY-P-YLM-A series Installationshandbuch Seite 4

8
[Fig. 8.4.1]
TB8
3
4
[Fig. 8.4.2]
A
TB8
X
1
Operation
ON signal
2
3
Pump interlock
4
A
TB8
X
1
Operation
ON signal
2
3
Pump interlock
4
9
[Fig. 9.2.1]
[PQHY-P200~P600YLM-A]
A
A
B C
a b c
B
C
C C
[PQHY-P400~P900YSLM-A]
unit 1 unit 2
A A
A A
1 2
E
A : Heat source unit
D : Cap
* The total length of A and A
1
4
63PW
A
B
Flow switch: FS
52P
Flow switch: FS
C
D
e
d
C
C
A B
C D
a
B b c d
C
C C C
B : 1st branch
E : Heat source twinning kit
is less than 10 m [32 ft].
2
8.4
A : Pump interlock circuit connection (field-supplied)
L1 L2
~ 240/230/220V
MCB
52P
MP
9.2
A
A
a
C
unit 1
A
A
1
e
C
C : Indoor unit
F : Header
A : Heat source unit
B : Control panel (field-supplied)
C : To next heat source unit
F
B
D
b c d
e
C
C C
C
unit 2
A
A
2
F
A
B
E
a
b c d e
C C
C C C
D