User manual

32
741.011 | 12.18
EN
11.3.7 Heat quantity
T
T
F
unc
SET
h
off
Calculates the acquired heat volume based on the following information:
• Supply temperature
• Return temperature
• Flow rate volume determined via calculations based on the pump
speed or by pulse water meter measurements (terminal 5).
Note
Calculation based on the pump speed cannot be performed when
No System (System 0.1) has been selected.
• Glycol proportion and accounting for the temperature-dependent
thermophysical properties of the heat transfer fluid.
Additional possibility: Display of the amount of CO
2
saved by using the
system. The amount of CO
2
is calculated from the acquired heat volume.
To do this, the controller requires the conversion factor g
CO2
/kWh
therm
to
be entered.
Display Characteristic min. max.
Factory
setting
Activation on, oFF
oFF
F
unc
SET
off
Type of flow rate acquisition tyP 1, tyP 2
1)
–
F
unc
SET
max
Type 1: Flow rate value at max.
pump speed F
max.
.
When the Fig. at the left is dis-
played (value flashes) then enter
the value read from the flow rate
display.
F
min.
99.9 l/min 0.0 l/min
F
unc
SET
min
Type 1: Flow rate value at min.
pump speed F
min.
.
When the Fig. at the left is dis-
played (value flashes) then enter
the value read from the flow rate
display.
0.0 l/min F
max.
0.0 l/min
V
F
unc
SET
Type 2: Flow rate of the pulse
water meter in litres/pulse; see
the pulse water meter data
sheet.
1L, 10L, 25L –L
(no flow
rate value
selected)
Glycol proportion 0 % 60 % 40 %
Supply sensor input (warm) 1 ... 5 –
Return sensor input (cold) 1 ... 5 –
T
T
F
unc
SET
on
CO
2
display on, oFF
oFF