Hitecsa EWFAIB, Installation, Operation And Maintenance Instructions, Page: 31 / 49

30
6 -
EWFAIB
Control
6.6 Parameters list
PARAMETER DESCRIPTION UNIT MIN MAX DEFAULT TYPE
SET
HEA Heating set-point °C 25 55
35
R
CHF
45
R
AC
R/W
HEr Actual heating set-point °C R
COO Cooling set-point °C -8 18
18
R
CHF
7
R
AC
R/W
COr Actual cooling set-point °C R
Nb Neutral band K 0.1 5 1 R/W
O-F ON-OFF OFF R/W
H-C Operation mode (heating/cooling) Heating R/W
tP
t01 Return water temperature °C -50 90 R
t02 Leaving water temperature °C -50 90 R
t03 Outdoor coil temperature °C -50 90 R
t04 Outdoor air temperature °C -50 90 R
t05 Discharge gas temperature °C 0 120 R
t06 Suction gas temperature °C -50 90 R
P06 Suction pressure bar 0 15 R
P07 Discharge pressure bar 0 15 R
I/O-DO
1 Lower fan part-load 0 (opened) C (closed) R
3 4WV status 0 (opened) C (closed) R
4 Pump status 0 (opened) C (closed) R
5 Heat exchanger antifreeze heater status 0 (opened) C (closed) R
6 Compressor oil heater status 0 (opened) C (closed) R
7 General alarm status 0 (opened) C (closed) R
I/O-DO
2 Low pressure switch status 0 (opened) C (closed) R
3
Pump motor protection/differential flow
switch/flow switch status
0 (opened) C (closed) R
4 Remote cooling/heating status 0 (opened) C (closed) R
6 Fan motor protection status 0 (opened) C (closed) R
9 Remote ON/OFF status 0 (opened) C (closed) R
I/O-EEV
Pos EEV steps (position) step 0 480 R
SH EEV superheat K R
I/O-DCI
Spd Compressor speed rps 0 120 R
Cur Compressor absorbed current A R
I/O
FAn Fan speed % 0 100 R
dFr Time to next defrost min 0 60 R
ERR Alarms code R
LOG Alarms history code R