Shivaki SRH-PM18DC, Service Manual

Page: 18 / 69

4
4
.
.
R
R
E
E
F
F
R
R
I
I
G
G
E
E
R
R
A
A
N
N
T
T
F
F
L
L
O
O
W
W
D
D
I
I
A
A
G
G
R
R
A
A
M
M
21
4-3. Evacuation direction
：
MAX. Refrigerant pipe length and height difference:
Modle
AMW3-20U4SZD
AMW3-24U4SZD
AMW3-24U4SKC
AMW4-28U4SKC
AMW4-36U4SAC
AMW2-20U4SNC1
AMW2-16U4SGC1
Pipe length per. Indoor unit
（
a/b/c/d
）
25m 20m
Total pipe length for multi-system (a+b+c+d) 60m 40m
Height difference (I.D ~ O.D) 15m 15m
Height difference (I.D ~ I.D) 7.5m 7.5m
*Do your best to reduce the pipe length. Long pipe may cause capacity of the indoor unit incline.
Total refrigerant pipe length
Outdoor unit precharged
0m~20m 20m
～
60m
AMW3-24U4SKC 2100g 0g
AMW4-28U4SKC 2400g 0g
AMW4-36U4SAC 2600g 0g
AMW3-24U4SZD 1750g 0g
AMW3-20U4SZD 1600g 0g
Xg = 15g / m
×
(Total pipe length(m) - 20)
If gas pipe include 12.7,refrigerant piping
length 20g/m
Total refrigerant pipe length
Outdoor unit precharged
0m~15m 15m
～
40m
AMW2-20U4SNC1 1400g
AMW2-16U4SGC1 1270g
0 Xg = 15g / m
×
(Total pipe length(m) - 15)