Euroclima ZHK Series, Instruction Manual, Page: 92 / 131

Instruction Manual ZHK
V07-19.0 91/129
Here are some important points to consider, which could cause problems after transport or inap-
propriate AHU handling.
-
Rotate the impeller of the fan by hand, to check whether it rotates freely.
-
Check that the screws of variable pulleys are tightened
–
refer to
Figure 192
, tightening torque
depends on the type of bush, according to
Table 8.
Table 8:
Tightening torque for variable pulleys
Socket 1108 1210 1215 1610 1615 2012 2517
Nm 5,7 20 20 20 20 32 50
Figure 192:
Fixing screws
-
Check the tension of the belt and the alignment of the pullies, refer to
chapter 9.2.4 (Re-ten-
sioning of belts)
.
-
Check the motor connection and the matching of the supply voltage at the rated voltage - a
fluctuation of supply voltage b -5% is permitted.
8.1.1 Variable frequency controlled drives (frequency converter) - parameters
The frequency converter must be configured, if not done by EUROCLIMA (please refer to technical
data sheet): parameterization using the following
Table 9
respectively the provided manufacturer's
operating instructions and data from EUROCLIMA technical data sheet.
-
Observe safety instructions of
chapter 2.2 (Indications for minimizing spe-
cific hazards)
and safety instructions of manufacturer (supplied by EURO-
CLIMA).
-
Observe safety instructions of fan manufacturer (supplied from EUROCLIMA)
regarding fan minimum starting up time. Otherwise fatigue fracture of impeller
may occur.