Lauda IN 550 XT, Руководство по эксплуатации

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Table 43: Cleaning fluid
Suitable cleaning fluid for heat transfer liquid
Water Kryo 30
9.3 Draining the cooling water circuit
This section is relevant for:
n
Water-cooled devices
NOTICE!
Risk of refrigerant escaping from cooling water circuit
Device damage

Before performing cleaning work and decommissioning the
device, or if there is a risk of freezing, drain the cooling
water circuit of the cooling unit using compressed air or
an industrial vacuum cleaner (watertight). To avoid dam-
aging the valve membrane during cleaning, only blow com-
pressed air into the inflow connector while using an indus-
trial vacuum cleaner to vacuum only from the outflow
connector.
Protective equipment:
n
Safety glasses
n
Protective gloves
n
Protective work clothing
The device is now in standby mode.
1.
Shut down cooling water supply.
2. Unscrew the hose for the cooling water inlet from the device.
3. Remove the filter strainer from the water inlet. If necessary, use
pointed pliers or large tweezers.
4. Clean the filter strainer.
5. Press the Enter key to open the menu.
6.
Select the menu items

Fill mode

Water valve

open on the
operating unit.

The water valve opens.
7. Drain the cooling water circuit completely.
8.
Select the menu items

Fill mode

Water valve

auto (automatic)
on the operating unit. This is the default setting.
9. Insert cleaned filter strainer.
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