Belimo VRD3-RE2-SET Installation Manual - Page 9

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VAV-Universal Retrofit-Set
VRD3-RE2 setting with VAV adjustment tool ZTH-VAV (continued)
Carry out adaption

Performance check

Note
Additional optimisation options can be achieved
together with the single room controllers CR24.
Information concerning these options can be
found on the Belimo web site www.belimo.com
www.belimo.eu
Installation
Connection
Connection to
VRD3-RE2, RJ «Service» socket
PP connection (terminal 4), e.g. control
cabinet terminals
min
%
%
nom
Power
Actuator
turquoise
blue
white
1
2
4
For detailed documentation concerning the handling and function of the ZTH-VAV, see ZTH-VAV instruction
manual at www.belimo.eu
An angle of rotation adaption of the damper actuator is recommended at the time of initial
commissioning. An angle of rotation adaption must however be carried out after the adjustment
of the angle of rotation limitations.
Procedure:
– Switch on the 24 V supply on the VRD3-RE2
– Press the «Adaption» pressure switch on the damper actuator (actuator travels
CLOSED ... OPEN ... setpoint position)
A performance check is recommended after the installation of the VAV controller and the
completion of the adaption.
– Set the VAV controller with the ZTH-VAV to maximum and then afterwards to minimum air
volume («
max
→ Check whether the required amounts of air have been attained.
M4-VAV-Universal Retrofit Set • en • v1.1 • 04.2011 • Subject to changes
Cable type and order designation
ZK-GEN
ZK2-GEN
ZTH-VAV
▲ ▼ – + OK
max
ZK6-GEN
nom
VRD2
VRD3
ZK2-GEN
»/«
»).
min
Accessories
Accessories
white
1
GND
~ / +
2
blue
3
turquoise
4
PP
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