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A
"X"
auto
X
man
2
Manually adjusting the actuator
Fig. 16:
Setting Up
Steps:
1.
Switch the cooling module off at the control unit.
2.
Wait for approximately 2 minutes. During this time, the control valve will close
automatically.
3.
Open the back of the cabinet.
4.
Ensure that the control valve has been closed via the actuator.
5.
Disconnect operating power supply.
Note
If the operating voltage is disconnected before the actuator has closed the control valve,
the control valve must be closed manually.
1
6.
If necessary, manually adjust control valve. Carry out the following steps:
•
Shift selector switch (2) of actuator (1) down to position "Manual (man)" (see "A").
•
Set adjusting screw (4) of actuator by way of using an Allen key (5) to an opening
degree of the control valve of 0%.
Watch for display (3) (see "B").
•
Upon completion of works, shift selector switch (2) up to position "Automatic
(auto)".
Note
The power supply to the cooling module must be disconnected when the control valve
needs to be adjusted manually.
VARISTAR Cooling unit SHX 30
3
4
B
5
12432
42
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