8
Communications
8.1
YKN2Open board
N2OpenType
N2OpenId
AI
1
Suction Temperature 1
AI
2
AI
3
AI
4
Suction Temperature 2
AI
5
AI
6
Discharge Temperature 1
AI
7
Discharge Temperature 2
AI
8
Suction Temperature 3
AI
9
AI
10
Discharge Temperature 3
AI
11
AI
12
Supply air Temperature
AI
13
Water HWC Temperature
AI
14
AI
15
AI
16
AI
17
AI
18
AI
19
AI
20
AI
21
AI
22
Tandem Comp 1 Hours
AI
23
Tandem Comp 2 Hours
AI
24
AI
25
Auxiliary Stage 1 Hours
AI
26
Auxiliary Stage 2 Hours
AI
27
Auxiliary Stage 3 Hours
AI
28
Auxiliary Stage 4 Hours
AI
29
AI
30
AI
31
AI
32
AI
33
AI
34
AI
35
AI
36
AO
1
AO
2
AO
3
Setpoint occupied heat
AO
8
BI
1
BI
2
BI
3
BI
4
BI
5
Emergency Heat Request
High Pressure Sensor 1
BI
6
Low Pressure Sensor 1
BI
7
BI
8
34
Value
Description
/
Units
°C
Liquid Temperature 1
°C
Outdoor Temperature
°C
°C
Liquid Temperature 2
°C
°C
°C
°C
Liquid Temperature 3
°C
°C
Return Temperature
°C
°C
°C
Outdoor Enthalpy
--
Return Enthalpy
--
Indoor Temperature
°C
Economizer Door
%
(out)
Water Coil
%
(out)
Compressor 1 Hours
Hours
Compressor 2 Hours
Hours
Compressor 3 Hours
Hours
Hours
Hours
Water Coil Hours
Hours
Hours
Hours
Hours
Hours
Indoor Fan Hours
Hours
Outdoor Fan 1 Hours
Hours
Error Code
Integer
Outdoor Fan 2 Hours
Hours
Outdoor Fan 3 Hours
Hours
Exhaust fan Hours
Hours
Water Pump Hours
Hours
General Power Hours
Hours
Minimum air renewal
%
(Input)
Setpoint occupied cool
°C
°C
Mode
Integer
Inactive /
Fan Request
Active
Inactive /
Stage 1 Request
Active
Inactive /
Stage 2 Request
Active
Heat / Cool Request
Cool / Heat
Inactive /
Active
Close / Open
(input)
Close / Open
(input)
Indoor Fan Protection
Close / Open
(input)
Range
-50 min 160 max
Suction temperature 1
-50 min 160 max
Liquid temperature 1
-50 min 160 max
Outdoor temperature
-50 min 160 max
Suction temperature 2
-50 min 160 max
Liquid temperature 2
-50 min 160 max
Discharge temperature 1
-50 min 160 max
Discharge temperature 2
-50 min 160 max
Suction temperature 3
-50 min 160 max
Liquid temperature 3
-50 min 160 max
Discharge temperature 3
-50 min 160 max
-50 min 160 max
Supply air temperature
-50 min 160 max
0 min 300 max
0 min 300 max
-30 min 70 max
0-100
Economiser door (out)
0-100
Water coil valve (out)
0-50000
0-50000
0-50000
0-50000
0-50000
0-50000
0-50000
0-50000
0-50000
0-50000
0-50000
0-50000
Alarm code
(11 to 46)
0-50000
0-50000
0-50000
0-50000
0-100000
Total power supply hours
Minimum air renewal
0-100
10 min 32 max
Setpoint occupied cool
10 min 32 max
0-off
1–cool
2-heat
3-auto
5-emerg heat
Request
Request
Request
Request
Request
Emergency heat request
Input
High-pressure sensor 1 fault input
Input
Low-pressure sensor 1 fault input
Input
Indoor fan protection fault input
Description
Return temperature
Water temperature
Outdoor enthalpy
Return enthalpy
Indoor temperature
Compressor 1 hours
Compressor 2 hours
Compressor 3 hours
Tandem hours
Tandem hours 2
Water coil hours
Auxiliary 1 Hours
Auxiliary 2 Hours
Auxiliary 3 Hours
Auxiliary 4 Hours
Indoor Fan Hours
Outdoor fan 1 hours
Alarm code
Outdoor fan 2 hours
Outdoor fan 3 hours
Exhaust fan Hours
Water pump hours
(input)
Setpoint temp. Heat
Operation mode
Indoor fan request
Stage 1 request
Stage 2 request
Heat / Cool Request
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