SYSVRF AHU S IOM
11
installation manual
Fig.9-4
Note,
1. The distance between SIMENS controller and DX AHU control box should less than or equal 15 m.
2. If several DX AHU boxes parallel connection control one indoor unit, SIEMENS controller only need to be connected with master DX AHU
box.
3. One SIEMENS can not control two or more indoor units at the same time.
4.All signals between SIEMENS controller and DX AHU box must be accord with the definition from table.9-1 and table.9-2. It will not work
correctly if the definition of signal in SIEMENS controller has been changed.
SIEMENS
POL 638.70
ALARM
INFO
ESC
MP 24V D5 M D2 M D1 M Y2 M D3 Y1 D4
64 63 54 13 53 44 43 24 14 23 33 34
Power
24V
54 53 M D4 D3 S Y1 M 14 13 34 44
SIEMENS controller
Terminal block
Table.9-3
Min Max
Range
Normal
Analog Input 0-10VDC
Room Temp. (
℃)
Cooling
Room Temp. (℃)
Heating
Not available Not available
0.5
0
1.15
1.5
2
2.5
3
3.5
4
4.5
5
5.5
6
6.5
7
7.5
8
8.5
9.5
1.35
1.85
2.35
2.85
3.35
3.85
4.35
4.85
5.35
5.85
6.35
6.85
7.35
7.85
8.35
8.85
1.65
2.15
2.65
3.15
3.65
4.15
4.65
5.15
5.65
6.15
6.65
7.15
7.65
8.15
8.65
10
18
18
18
19
20
21
22
23
24
25
26
27
28
29
30
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Not available Not available