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2 mm
133 mm
8 mm
60 mm
36,5 mm
69 mm
36,5 mm
X 2
ARITERM AB
•
ARITERM OY
Installation and operating instruction • Version 2.0 • 12.04.2017
20/32
5P01781-A / 5P01781-B
HEAT CIRCUIT SETTINGS AND CONNECTIONS
CRB122 Shunt motor unit with Ariterm Local/Portal Control
For the first heating circuit the CRB122 unit operates together with the Ariterm Local/Portal
Control. Install the CRB122 unit. Connect the CRB122 unit and the outdoor sensor on the
same connectors marked In/Outdoor sensor (A).
NOTE!
When the CRB122 unit is installed at the first heating circuit, operating together
with the boiler control, the indoor display of the CRB unit is only used to show and adjust
the existing indoor temperature. Any other adjustments, settings, scheduling etc must be
made in the Ariterm Local/Portal Control.
CRB122 Shunt motor unit with additional heating circuits
For additional heating circuits the CRB122 unit is operated as a separate system/control.
Install the CRB122 unit by following the supplied manual.
NOTE!
If placing the CRB122 Shunt motor unit elsewhere than direct at the boiler,
make sure that the turning direction of the shunt motor is correct.
PWM pump
Connect the PWM regulation cable to the fast connectors, blue on blue and brown on brown. (B)
NOTE!
230V supply to the pump is to be connected separately.
Alarm relay
Relay output normally open. (C)
Buffer tank sensors
Connect the Tank top and bottom sensors to the fast connectors marked accordingly. (D)
Main supply
Connect the main supply L1, L2, L3, N and PE to the connectors marked accordingly. (E)
Charge pump
Connect the buffer tank charge pump to the 230V output marked accordingly.(F)
NOTE!
In order to achieve best possible combustion and large DHW capacity, our
strongest recommendation is to have the internal DHW circulation pump switched
on during during summer/low output seasons.
A
B
C
D
D
E
F