Orion System PT-Link-LON - Manual (Page 19)

PT-Link Interface
PT-Link-LON ® Technical Guide
19
Appendix C - VCM-X Modular and WSHP LON Parameters
SNVTs for the VCM-X Modular
Binary Output SNVTs are SNVT_lev_disc
all other SNVTs are SNVT_count_inc_f
Parameter Name Object Description Limits
Modulating
Compressor 2
MdCmp2 Analog
Output
Current position
of the 2nd Stage
of Compressor
Modulation.
Head
Pressure 1
HdPr1 Analog
Output
Head Pressure for
1st Compressor
Head
Pressure 2
HdPr2 Analog
Output
Head Pressure for
2nd Compressor
Condenser
Fan 1
CdFan1 Analog
Output
Condenser Fan 1
Signal Status
Condenser
Fan 2
CdFan2 Analog
Output
Condenser Fan 2
Signal Status
SNVTs for the VCM-X WSHP (Tulsa)
Binary Output SNVTs are SNVT_lev_disc
all other SNVTs are SNVT_count_inc_f
Parameter Name Object Description
Modulating
Compressor 2
MdCmp2 Analog
Output
Current position of the
2nd Stage of Compressor
Modulation.
Head Pressure 1 HdPr1 Analog
Output
Head Pressure for
1st Compressor
Head Pressure 2 HdPr2 Analog
Output
Head Pressure for
2nd Compressor
Condenser Fan 1 CdFan1 Analog
Output
Condenser Fan 1
Signal Status
Condenser Fan 2 CdFan2 Analog
Output
Condenser Fan 2
Signal Status
Water Temp. A WaterTpA Analog
Output
Current water
temperature of refrigerant for
System A.
Water Temp. B WaterTpB Analog
Output
Current water
temperature of refrigerant for
System B.
SNVTs for the VCM-X WSHP (Tulsa)
Binary Output SNVTs are SNVT_lev_disc
all other SNVTs are SNVT_count_inc_f
Parameter Name Object Description
Compressor A1
Low Suction
Pressure Alarm
A1LSPAlm Binary
Output Alarm that indicates
Suction Pressure for
Compressor A1 is below the
Low Suction Pressure Cooling
(Heating) Setpoint.
Compressor A1
Lockout Alarm
A1LktAlm Binary
Output Alarm that indicates
Compressor A1 is locked out.
Compressor A2
Low Suction
Pressure Alarm
A2LSPAlm Binary
Output Alarm that indicates
Suction Pressure for
Compressor A2 is below the
Low Suction Pressure Cooling
(Heating) Setpoint.
Compressor A2
Lockout Alarm
A2LktAlm Binary
Output Alarm that indicates
Compressor A2 is locked out.
Compressor B1
Low Suction
Pressure Alarm
B1LSPAlm Binary
Output Alarm that indicates
Suction Pressure for
Compressor B1 is below the
Low Suction Pressure Cooling
(Heating) Setpoint.
Compressor B1
Lockout Alarm
B1LktAlm Binary
Output Alarm that indicates
Compressor B1 is locked out.
Compressor B2
Low Suction
Pressure Alarm
B2LSPAlm Binary
Output Alarm that indicates
Suction Pressure for
Compressor B2 is below the
Low Suction Pressure Cooling
(Heating) Setpoint.
Compressor 4
Lockout Alarm
B2LktAlm Binary
Output Alarm that indicates
Compressor B2 is locked out.
Low Water
Temperature 1
Alarm
LWT1Alm Binary
Output Alarm that indicates water
temperature is below the
Leaving Water Safety Setpoint
(Heating only) for System A.
Low Water
Temperature 2
Alarm
LWT2Alm Binary
Output Alarm that indicates water
temperature is below the
Leaving Water Safety Setpoint
(Heating only) for System B
Proof of Water 1
Flow Alarm
POWF1Alm Binary
Output Alarm that indicates no Proof
of Water Flow for System A
(A1/A2)
Proof of Water 2
Flow Alarm
POWF2Alm Binary
Output Alarm that indicates no Proof
of Water Flow for System B
(B1/B2)
Module
Communications
Alarm
ComMAlm Binary
Output Alarm that indicates that one
or more Modules are not
communicating with the
VCM-X WSHP Controller.
NOTE: The following points for the VCM-X Modular and VCM-
X WSHP Controllers are additional points. All points and
property identifi ers in the VCM-X Controller table (pages
21-26) also apply to the VCM-X Modular and VCM-X
WSHP Controllers.