N2OpenType
N2OpenId
BI
86
Liquid Probe 2 Error
BI
87
Discharge Probe 1 Error
BI
88
Discharge Probe 2 Error
BI
89
Outdoor probe Error
BI
90
Outdoor Temperature Low
BI
91
Aux Stage 1 Protected
BI
92
Aux Stage 2 Protected
BI
93
Aux Stage 3 Protected
BI
94
Aux Stage 4 Protected
BI
95
Defrost Compressor 1 Repeated
BI
96
Defrost Compressor 2 Repeated
BI
97
Discharge Temperature 1 Low
BI
98
Discharge Temperature 2 Low
BI
99
Enthalpy probe Error
BI
100
Supply air Temperature High
BI
101
Lost accessories
BI
102
Supply air Temperature Low
Economizer Door Closed for Suc‐
BI
103
tion Temperature
BI
104
Discharge Temperature 3 Error
BI
105
BI
106
BI
107
Cool Start 3 Repeated
BI
108
Liquid Temperature 3 Error
BI
109
Economiser / Heater Error
BI
110
BI
111
Suction Probe 3 Error
BI
112
Liquid Probe 3 Error
BI
113
Discharge Probe 3 Error
BI
114
Defrost Compressor 3 Repeated
BI
115
Discharge Temperature 3 Low
BI
116
BI
117
BI
118
BI
119
Aux Stage 1 Error Repeated
BI
120
Aux Stage 2 Error Repeated
BI
121
Aux Stage 3 Error Repeated
BI
122
Aux Stage 4 Error Repeated
BI
123
Supply Air Probe Error
BI
124
Return Probe Error
BI
125
Water Probe Error
BI
126
Water temperature low
BO
1
BO
2
Value
Description
/
Units
OK / Fault
OK / Fault
OK / Fault
OK / Fault
Normal /
Low Limit
Inactive /
Active
Inactive /
Active
Inactive /
Active
Inactive /
Active
Inactive /
Active
Inactive /
Active
Normal /
Low Limit
Normal /
Low Limit
OK / Fault
Inactive /
Active
Inactive /
Active
Inactive /
Active
Inactive /
Active
Inactive /
Active
High Pressure 3
OK / Fault
Low Pressure 3
OK / Fault
OK / Fault
OK / Fault
OK / Fault
Inactive /
No Presence
Active
OK / Fault
OK / Fault
OK / Fault
Inactive /
Active
Normal /
Low Limit
Normal /
Air quality
Low Limit
Dirty Filters
Clean / Dirty
Heater Defrost
OK / Fault
OK / Fault
OK / Fault
OK / Fault
OK / Fault
OK / Fault
OK / Fault
OK / Fault
Normal /
Low Limit
Auto /
Fan Mode
Manual
ON/OFF
OFF/ON
Range
Incident-Probe error
Incident-Probe error
Incident-Probe error
Incident-Probe error
Incident-Temperature
< -10 ºC
Incident-Input
Incident-Input
Incident-Input
Incident-Input
Incident-3 Times Defrost of 10
Min.
Incident-3 Times Defrost of 10
Min.
Incident-Discharge
Low discharge temperature 1 incident
< 35 ºC H or 50 ºC C
Incident-Discharge
Low discharge temperature 2 incident
< 35 ºC H or 50 ºC C
Incident-Probe error
Incident-Temperature
> 55 ºC
Incident-Accessory
Incident-Temperature
< 25 ºC with gas heat
Incident-Suction temperature
Economiser door closed for low suction
< -4 ºC
Alarm-Temperature
>130 ºC
Alarm
Alarm
Alarm-Suction temperature
< ‑4 ºC or ‑25 ºC
Alarm-Null
Liquid temperature 3 low fault (CANCELLED)
Alarm-Probe accessory
Economiser accessory / water coil fault (45)
Incident
Incident-Probe error
Incident-Probe error
Incident-Probe error
Incident-3 Times Defrost of 10
Min.
Incident-Discharge
Low discharge temperature 3 incident
< 35 ºC H or 50 ºC C
Incident
Incident
Incident-Temperature water
< 3 ºC
Alarm-Electric heater or gas
Alarm-Electric heater or gas
Alarm-Electric heater
Alarm-Electric heater
Incident-Probe error
Incident-Probe error
Incident-Probe error
Incident-Temperature water
< 30 ºC
Set-Fan auto or manual continu‐
ous
Set- Off/On Reset
Communications
8
YKN2Open board
8.1
Description
Liquid probe 2 incident
Discharge probe 1 incident
Discharge probe 2 incident
Outdoor probe incident
Low outdoor temperature incident
Res1 thermal switch incident
Res2 thermal switch incident
Res3 thermal switch incident
Res4 thermal switch incident
Repeated defrost incident 1
Repeated defrost incident 2
Enthalpy probe error incident
High supply temperature incident
Lost accessories incident
Low supply temperature incident
Discharge temperature 3 (31) fault
High-pressure switch 3 (32) fault
Low-pressure switch 3 (33) fault
Repeat cold starts 3 (35) fault
No presence incident
Suction probe 3 incident
Liquid probe 3 incident
Discharge probe 3 incident
Repeated defrost incident 3
Air quality demand incident
Dirty filter incident
Defrost incident in AC coil
Resistor 1 or gas 1 fault (41)
Resistor 2 or gas 2 fault (42)
Resistor 3 fault (43)
Resistor 4 fault (44)
Supply probe incident
Return probe incident
Water probe incident
Low water temperature incident
FAN Auto / Manual Continuous
ON ‑ OFF, Reset
37
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