Lauda VC 1200, Руководство по эксплуатации

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4.3.2 Connecting cooling water
Description Value
Maximum cooling water
pressure
10 bar
Differential pressure
cooling water
r
p
1 – 6 bar VC 1200 W and VC 2000 W
3 – 6 bar VC 3000 W and greater
Cooling water tem-
perature
approx. 15°C recommended,
10 – 30°C permitted (in upper range
with performance restrictions)
Note the following:
n Fix the cooling water hoses in place on the device using hose
clips.
n Fix the return hose of the water cooling in the drain area to pre-
vent uncontrolled slipping off of the hoses even in the event of
pressure surges.
Fix the return hose of the water cooling in the drain area so
that spraying out of hot cooling water is not possible.
n Prevent kinking or crushing of the hoses.
n We recommend using a leak detector with water shut-off to
prevent damage due to cooling water system leaks.
n
Ensure that the cooling water meets the required criteria.
n In the case of leaks in the condenser, there is the danger that
refrigerating machine oil and refrigerant from the refrigerant cir-
cuit of the device can get into the cooling water. Comply with
the applicable legal provisions and the requirements of the
water supply companies at the operating site.
4.4 Interfaces
4.4.1 Alarm output 12N
Function Description
Alarm output --
Alarm and standby for on-site return flow protection
n maximum 30 V DC; 0.2 A
Available functions
Before starting up
Variocool 28