3 Product description
14
993x0463x-mub-en – V02
2020/03
3.3
Constant temperature controller PKR6
The PAW constant temperature controller PKR6 is prepared for the direct mounting onto
the 3-way bypass mixing valve of the HeatBloC
®
K33R.
When the constant temperature controller PKR6 is delivered, it is preset for the constant
temperature control of a radiant panel heating system (flow nominal temperature = 30 °C)
with the flow line on the right.
3.4
Adjustment of the constant temperature controller PKR6 for the use as a return flow
temperature maintenance
application
flow line
required modifications at
the HeatBloC
®
required adjustments at the
controller PKR6 - see
separate instructions
radiant panel
heating
pump on the
right, transports
upwards
-
•
flow nominal temperature
is 30 °C - adjust, if
necessary
pump on the left,
transports
upwards
•
retrofitting of the mixing
valve and of the
HeatBloC
®
for flow on the
left (see 3.2.2 and 3.2.3)
•
change the direction of
rotation to "left"
•
flow nominal temperature
is 30 °C - adjust, if
necessary
return flow
temperature
maintenance
pump on the
right, transports
upwards
•
close mixing valve
bypass
•
interchange
thermometers
•
set scheme "return
temperature"
•
return nominal
temperature is 60 °C -
adjust, if necessary
pump on the left,
transports
upwards
•
retrofitting of the mixing
valve and of the
HeatBloC
®
for flow on the
left (see 3.2.2 and 3.2.3)
•
close mixing valve
bypass
•
set scheme "return
temperature"
•
change the direction of
rotation to "left"
•
return nominal
temperature is 60 °C -
adjust, if necessary
