Mitsubishi Electric CITY MULTI PQHY-P-YEM-A Series Installation Manual page 3

7
[Fig. 7.2.1]
A
A
B
B
a b
C
C
1
2
A Heat source unit
B First branch
C Indoor unit
D To downstream units
[Fig. 7.2.3]
A
A
B
B
C
A Heat source unit
B First branch (Branch joint)
C Branch joint
D Indoor unit
E Branch header
F Cap
G To downstream units
8
[Fig. 8.2.1]
L
3
1
M
D
A
C D e
c d
C C
3 4
C
5
G
A
E
C
F
c d e
3 4 5
D D D
b
2
a
D
D
1
[Fig. 8.2.2]
<A> [Ball valve (gas side)]
(This figure shows the valve in the fully open state.)
A
B
C
D
7.2
[Fig. 7.2.2]
A
A
B
a b
C C
C
1 2
A
PQHY-P200
PQHY-P250
B, C, D
Ç Total capacity of indoor units
~ 80
81 ~ 160
161 ~
a, b, c, d, e, f
Î Model number
20,25,32,40
50,63,71,80
100,125,140
200
250
‰ Downstream unit model total
~ 160
161 ~
Ì 4-Branching header Ó 7-Branching header È 10-Branching header
CMY-Y104-F
8.2
E
<B> [Ball valve (liquid side)]
E
I
J
K
A : Heat source unit
B : First branch
C : Indoor unit
D
D : Cap
c d e
C C f
3 4 5
C
6
Å Liquid pipe
ø12.7
ø12.7
Å Liquid pipe
ø9.52
ø12.7
ø12.7
Å Liquid pipe
ø6.35
ø9.52
ø9.52
ø12.7
ø12.7
Ï Branch kit model
CMY-Y102S-F
CMY-Y102L-F
CMY-Y107-F
[Fig. 8.2.3]
F
G
A Valve stem
B Stopper pin
C Packing (accessory)
D Connecting pipe (accessory)
E Open (Operate slowly)
H
F Cap, copper packing
G Service port
H Flare nut
I ø12.7
J ø25.4 (PQHY-P200)
ø28.58 (PQHY-P250)
K Field piping
L Close-packed packing
M Hollow packing
(mm)
ı Gas pipe
ø25.4
ø28.58
(mm)
ı Gas pipe
ø15.88
ø19.05
ø25.4
(mm)
ı Gas pipe
ø12.7
ø15.88
ø19.05
ø25.4
ø28.58
CMY-Y1010-F
3