45
Abbreviation
Description
AH-HC
Air heater of Heater Circuit
Bn
On/Off Boiler n
CP
Circulating pump (controlled by Sequence Control)
F-PP-HWSC Fault contact of primary pump of Hot Water Storage Circuit
FM
Fault Messages Function
F-B
Fault contact of Boiler
F-CP
Fault contact of Circulating pump
F-P-HWSC
Fault contact of pump of Hot Water Storage Circuit
Gen
General Function
HC
Heater Circuit Function
HD-SC
Heat demand contact of Sequence Control
HWS
Hot Water Storage Circuit Function
MC
Mixing Circuit Function
NC
No Connection
PC
Pump Circuit Function
P-HWSC
Pump of Hot Water Storage Circuit
P-MC
Pump of Mixing Circuit
P-PC
Pump of Pump Circuit
PP-HWS
Primary pump of Hot Water Storage Circuit
S-FT
Flow temperature sensor
S-FT-HC
Flow temperature sensor of Heating Circuit
S-FT-MC
Flow temperature sensor Mixing Circuit
S-FT-SC-PT
Common Flow temperature sensor of Sequence Control and Pump Circuit
S-HWS
Water temperature sensor Hot Water Storage Circuit
S-OT
Outdoor temperature sensor
S-RT-HC
Room temperature sensor of Heating Circuit
S-RT-MC
Room temperature sensor Mixing Circuit
S-RT-PC
Room temperature Pump Circuit
S-RT-SC
Room temperature sensor Sequence Control
SC
Sequence Control Function (Plant Control)
T-HC
Overtime contact of Heater Circuit
T-HWS
Overtime contact of Hot Water Storage Circuit
T-MC
Overtime contact of Mixing Circuit
T-PC
Overtime contact of Pump Circuit
T-SC
Overtime contact of Sequence Control
T-SC-HWS
Overtime contact of both Sequence Control and Hot Water Storage Circuit
V-MC
3-Way valve of Mixing Circuit
APPENDIX 1d
Abbreviations