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Operation SDC / DHC
40 EN2H-0221GE51 R0808
Information Display Condition Remarks
Buffer tank
temperature at
top
Setpoint/Actual
value
VO1/2 configured as
buffer tank loading
pump
Connection of PF1 to
associated variable input 1
or 2, VI can no longer be
called up
Buffer tank
temperature at
bottom
Setpoint/Actual
value
VO1/2 configured as
buffer tank loading
pump
Connection of PF2 to
variable input VI1, VI2 or VI3
Solar collector
flow temperature
Actual value VO1/2 configured as
solar tank loading pump
Special sensor
Solar tank
temperature
Actual value VO1/2 configured as
solar tank loading pump
Solar collector
return
temperature
Actual value VO1/2 configured as
solar tank loading pump
Connection of KRLF to
variable input VI1, VI2 or VI3
Solar tank switch-
over temperature
Actual value Solar loading valve activated
5.1.2.7.2 Operating states
An operating state inquiry occurs after the information menu is
called up by turning the input button anti-clockwise. The following
displays appear only under the specified conditions and may not
be available (depends on device version).
Information Display Condition Remarks
Direct heating
circuit operating
status
Direct heating circuit
specified
Heating program: Holiday,
Absent Til, Party Til, Auto,
Summer, Heating, Red.
Heating, Standby
Switching time program:
P1 (P2, P3) control mode:
Day, RED, ECO
Mixed heating
circuit 1 operating
status
Mixed heating circuit 1
specified
Heating program: Holiday,
Absent Til, Party Til, Auto,
Summer, Heating, Red.
Heating, Standby
Switching time program:
P1 (P2, P3) control mode:
Day, RED, ECO