Johnson Controls York YKN2Open board Technical Information page 39

8 Communications
8.1 YKN2Open board
N2OpenType N2OpenId
BI 45
BI 46
BI 47
BI 48
BI 49
BI 50
BI 51
BI 52
BI 53 Outdoor Temperature favourable
BI 54
BI 55 Water temperature favourable
BI 56
BI 57 Auxiliary Stage 1 Present
BI 58 Auxiliary Stage 2 Present
BI 59 Auxiliary Stage 3 Present
BI 60 Auxiliary Stage 4 Present
BI 61
BI 62
BI 63
BI 64
BI 65 Smoke Detector Present
BI 66 Dirty Filters Detector Present
BI 67
BI 68
BI 69
BI 70 DCP-1 Thermostat Present
BI 71
BI 72 Discharge Temperature 1
BI 73
BI 74
BI 75
BI 76 Liquid Temperature 1 Low
BI 77 Discharge Temperature 2
BI 78
BI 79
BI 80
BI 81 Liquid Temperature 2 Low
BI 82
BI 83
BI 84
BI 85
36
Value
Description /
Units
Gas Stage 2
OFF/ON
(out)
Gas Stage 3
OFF/ON
(out)
Gas Stage 4
OFF/ON
(out)
Aux Stage 1
OFF/ON
(out)
Aux Stage 2
OFF/ON
(out)
Aux Stage 3
OFF/ON
(out)
Aux Stage 4
OFF/ON
(out)
Exhaust fan
OFF/ON
(out)
Inactive /
Active
Water pump OFF/ON
Inactive /
Active
Dirty Filters (out) Clean / Dirty
Absent /
Present
Absent /
Present
Absent /
Present
Absent /
Present
Absent /
Compressor 2 Present
Present
Absent /
Compressor 3 Present
Present
Absent /
Economiser Present
Present
Absent /
Water Heater Present
Present
Absent /
Present
Absent /
Present
Absent /
YkTool Enabled
Present
Absent /
Gas Control 1 Present
Present
Absent /
Gas Control 2 Present
Present
Absent /
Present
Indoor Fan Protection OK / Fault
OK / Fault
High Pressure 1 OK / Fault
Low Pressure 1 OK / Fault
Cool Start 1 Repeated OK / Fault
OK / Fault
OK / Fault
High Pressure 2 OK / Fault
Low Pressure 2 OK / Fault
Cool Start 2 Repeated OK / Fault
OK / Fault
Smoke Detect OK / Fault
Suction Probe 1 Error OK / Fault
Suction Probe 2 Error OK / Fault
Liquid Probe 1 Error OK / Fault
Range
Out
Out
Out
Out Resistor accessory 1 ON output
Out Resistor accessory 2 ON output
Out Resistor accessory 3 ON output
Out Resistor accessory 4 ON output
Out
Favourable temperature
Outdoor air temperature indication favourable
< 20 ºC
Out
Favourable temperature
Water temperature indication favourable
> 30 ºC
Out
Accessory
Accessory
Accessory
Accessory
Accessory Accessory compressor 2 present
Accessory Accessory compressor 3 present
Accessory Economiser accessory present
Accessory
Accessory Smoke detector accessory present
Accessory
Accessory
Accessory
Accessory
Accessory
Alarm Indoor fan thermal switch (14) fault
Alarm-Temperature
Discharge temperature 1 (11) fault
>130 ºC
Alarm High-pressure switch 1 (12) fault
Alarm Low-pressure switch 1 (13) fault
Alarm-Suction temperature
< ‑4 ºC or ‑25 ºC
Alarm-Null Liquid temperature 1 low fault (CANCELLED)
Alarm-Temperature
Discharge temperature 2 (21) fault
>130 ºC
Alarm High-pressure switch 2 (22) fault
Alarm Low-pressure switch 2 (23) fault
Alarm-Suction temperature
< ‑4 ºC or ‑25 ºC
Alarm-Null Liquid temperature 2 low fault (CANCELLED)
Alarm-High temperature or
Smoke / high-temperature detector fault (46)
Smoke
Incident-Probe error
Incident-Probe error
Incident-Probe error
Description
Gas 2 ON output
Gas 3 ON output
Gas 4 ON output
Exhaust fan ON output
Water pump ON output
Dirty filters ON output
Resistor accessory 1 present
Resistor accessory 2 present
Resistor accessory 3 present
Resistor accessory 4 present
Water coil accessory present
Dirty filter accessory present
YkTool accessory present
Gas accessory 1 present
Gas accessory 2 present
Thermostat DCP-1 Present
Repeat cold starts 1 (15) fault
Repeat cold starts 2 (25) fault
Suction probe 1 incident
Suction probe 2 incident
Liquid probe 1 incident