6. Preparations for commissioning
31
6.4.3 Checking the control transformer
setting
Danger
Danger of electric shock.
• Only qualified electricians may work on the
control cabinet.
• When setting the control transformer the system
must be disconnected from its supply voltage.
Caution
Making incorrect settings to the control transformer
poses a risk to the trouble-free operating of the
system.
Fig. 15
The control transformer is preset for the rated voltage at
the factory. Experience shows that in practice the actual
supply voltage can differ.
Before first commissioning set the measured supply
voltage on the control transformer. Fig. 15 shows an
example.
Following first commissioning the setting of the control
transformer must be inspected while operating under
load and corrected where necessary (see section 9.9).
6.5 Water supply
6.5.1 First-time water filling
Important
When the system is filled for the first time, drinking
water that conforms to the limit values specified
below must be used:
The CompAir water analysis set can be used to
determine the water quality.
If values that deviate from these apply, any warranty
claims may be invalidated and the relevant Gardner
Denver representative must be consulted.
Fig. 16
1 Manual valve – water in
2 Water level sensor
3 Water supply
4 Fill level marking "Below"
5 Fill level marking "Above"
6 Water level indicator
7 Pressure tank
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