Parameter Meaning
CIRC. PUMP
SYSTEM
0 = stop circulation pump system
1 = start circulation pump system
CIRC. PUMP 0-10V for test of speed controlled circulation pump.
Depending on type and number of connected circulation pumps, this parameter will contain different informa-
tion.
In the event of pumps with fixed speed, the selection 0 = stop and 1 = start are available
FAN 0–10V for test of the speed controlled fan
FOUR-WAY VALVE 0 = four way valve is set for heating
1 = four way valve is set for defrosting/cooling
EXPANSION VALVE 0 – 100% for test of electronic expansion valve.
SOLENOID 0 = closed solenoid
1 = open solenoid
COMPR.HE 0 = compressor heater off
1 = compressor heater on
DRIP TRAY 0 = drip tray heater off
1 = drip tray heater on
REV.V. HOT WATER 0 = reversing valve in heating mode
1 = reversing valve in hot water mode
AUX. HEAT 1 0 = stop of internal immersion heater power stage 1
1 = start of internal immersion heater power stage 1
AUX. HEAT 2 0 = stop of internal immersion heater power stage 2
1 = start of internal immersion heater power stage 2
AUX. HEAT 3 0 = stop of internal immersion heater power stage 3
1 = start of internal immersion heater power stage 3
EXT.AUX.HEATER 0 = stop external heat source (230V)
1 = start external heat source (230V)
POT.FREE 0 = potential free output for control of auxiliary heater open
1 = potential free output for control of auxiliary heater closed
CIRC. PUMP DiCi.1 0 = stop circulation pump in discharge circuit 1
1 = start circulation pump in discharge circuit 1
SHUNT DiCi.1 – = closes shunt in discharge circuit 1
0 = shunt unaffected
+ = opens shunt in discharge circuit 1
CIRC. PUMP DiCi.2 0 = stop circulation pump in discharge circuit 2
1 = start circulation pump in discharge circuit 2
SHUNT DiCi.2 – = closes shunt in discharge circuit 2
0 = shunt unaffected
+ = opens shunt in discharge circuit 2
SYSTEM SHUNT – = closes shunt
0 = shunt unaffected
+ = opens shunt
RET.LINE HP
SHUNT
– = closes return line shunt in systems with buffer tank
0 = shunt unaffected
+ = opens shunt in systems with buffer tank
REV. V. POOL 0 = reversing valve in normal mode
1 = reversing valve in pool mode
ALARM 0 = no voltage on output 201.6 External alarm
1 = 230V on output 201.6 External alarm
DIGITAL OUT 0 = no voltage on output 204.1
1 = 5V (2mA) on output 204.1
Installation Guide Atec
VMBQY102 Thermia Värmepumpar
40