Daikin Altherma 3 R F Installer's Reference Manual page 169

ERGA04~08E + EHVZ04+08S18+23E
Daikin Altherma 3 R F
4P629093-1B – 2022.05
NOTICE
If there are 2 zones and the emitter types are wrongly configured, water of high
temperature can be sent towards a low temperature emitter (underfloor heating). To
avoid this:
▪
Install an aquastat/thermostatic valve to avoid too high temperatures towards a
low temperature emitter.
▪
Make sure you set the emitter types for the main zone [2.7] and for the
additional zone [3.7] correctly in accordance with the connected emitter.
Pump operation mode
When the space heating operation is OFF, the pump is always OFF. When space
heating operation is ON, you have the choice between these operation modes:
# Code
[4.5] [F–0D]
[4.5] [F-0D]
Description
Pump operation mode:
▪ 0 Continuous: Continuous pump operation,
regardless of thermo ON or OFF condition.
Remark: Continuous pump operation requires
more energy than sample or request pump
operation.
a
b c
b c
d
a Space heating control
b Off
c On
d Pump operation
▪ 1 Sample: The pump is ON when there is
heating demand
temperature has not yet reached the desired
temperature yet. When thermo OFF condition
occurs, the pump runs every 3 minutes to
check the water temperature and demand
heating if necessary. Remark: Sample is ONLY
available in leaving water temperature control.
a
b c
d e
g
b
c
a Space heating control
b Off
c On
d LWT temperature
e Actual
f Desired
g Pump operation
10 Configuration
|
as the leaving water
f
Installer reference guide
169