Huawei NetCol5000-A021HN12D 20020E1 Quick Manual page 3

Mapping Between Saturation Temperatures and Pressure of R410A
Saturation Gauge
temperature (°C) (MPa)
10 0.99
11 1.02
12 1.05
13 1.09
14 1.12
15 1.16
16 1.19
17 1.23
Cables
2.2
Ensure that there is no reverse or open phase for the input power cable of the smart cooling
product.
(1) Indoor unit power cables
Active route with heating and
humidification 5 x 10 mm
16.5–18.5 mm
Cable outer diameter:
16.5–18.5 mm
(3) (RS485 connection) ON/OFF signal cables for indoor and outdoor units
Indoor unit
terminal X302.1
Indoor unit
terminal X302.2
Indoor unit
terminal X302.3
(4) (Dry contact connection) ON/OFF signal cables for indoor and outdoor units
Indoor unit
terminal X301.1
Indoor unit
terminal X301.2
Saturation
temperature (°C)
18
19
20
21
22
23
24
25
2
Standby or without
2
heating 5 x 6 mm
16.5–18.5 mm
Cable outer diameter:
Cable outer diameter:
Gauge (MPa) Saturation
1.27
1.31
1.35
1.39
1.43
1.47
1.51
1.56
(2) Outdoor unit power cables
Cable outer diameter:
2
3 x 1.5 mm
7-9 mm
2
2 x 1 mm
7–9 mm
2
Gauge (MPa)
temperature (°C)
1.60
26
1.65
27
1.69
28
1.74
29
1.79
30
1.84
31
1.89
32
1.94
33
2
5 x 2.5 mm
13.0–15.0 mm
Outdoor unit
terminal 3
Outdoor unit
terminal 4
Outdoor unit
terminal 5
Outdoor unit
terminal 1
Outdoor unit
terminal 2