Mitsubishi Electric PURY-P72 Service Handbook page 169

[VIII Test Run Mode]
(2) Example
Outdoor unit 1
~ Uldoo,unit2
I
h4
0
L
S . . " , , , " . .
LJ:i-A
H H'
h1
(P36 - P96j
(3) Sample calculation
Branch joint
(CMY-Y202-G2)
(CMY.Y102L-G2)
(CMY.Y102S~)
c-----I:"":J-'
Branch joint
(CMY-~2S-G2J
B-y---,
c d
(Int,
11
4
,ldoor
I
Maximum of 3 units per port
!
Total capacity of P30 or below I
e
h1
BC
cont~OJler(HB)
I
T
r
- - h2
1..-_ _,....---'--'---'
{
Indoor unit1 :30 model
Indoor uni12:96 model
Indoor unit3:12 mode)
When
Indoor unit4:15 model
Indoor unit5:12 model
Indoor unit6:24 model
A: <1>28.58
8:<1>9.52
C:<I>9.52
D:<I>9.52
E:<I>9.52
F:<t>22.2
G:<I>19.05
[1-118"]
[3/8"]
[3/8"]
[3/8"]
[3/8"]
[7/8"]
[314"]
40m[131ft]
1Om [32ft]
20mf65ftJ
5m[16ft]
5m[16ft]
3m [9ft]
1m[3ft]
a: <t>9.52 [3/8"]
b : <t>9.52 [3/8"]
c
:<1>6.35 [ll4"J
d :
<t>6.35 [1/4"]
e : <t>6.35 [1/4"]
f : <t>9.52 [3/8"]
1
Om
[32ft]
5m[16ft]
5m[16ft]
1
Om
[32ft]
5m[16ft]
5m[16ft]
HWEOB03A
The aggregate length of each liquid pipe type.
<t>28.58 A
=
40m[131ft]
<t >
22.2
F =
30m[98ft]
<t > 19.05 G
=
1m[3ft]
<t>9.52
C+D+E+a+b+f
=
50m[164ft]
<t>6.35
c+d+e
=
20m[65ft]
The final result will be as follows:
Amount of refrigerant to be charged
=
40xO.36+3xO.23+1 xO.16+50
X
O.06+20 x O.024+ 7.5+2+2+5
=
35.3kg
- 159 -
GB