Lauda E 4 G Operating Instructions Manual page 34

Risk to the environment due to oil contamination of the cooling water circuit
With a leaky condenser there is the danger that refrigerating machine oil from the refrigerant circuit of the
cooling thermostat can pass into the cooling water.
Follow all the legal requirements and the regulations of the water supply utility which apply at the point of
use.
Water pollution due to leakage
To avoid pollution due to a leak in the cooling water system it is recommended that a leakage-water detec-
tor with a water cut-off is installed.
Servicing intervals
Follow the information for cleaning and decalcifying the cooling water circuit (
c) Approved elastomer hoses
Type of hose
EPDM hose
uninsulated
EPDM hose
uninsulated
EPDM hose
insulated
Silicone hose
uninsulated
Silicone hose
insulated
Viton
Viton
cold insulated
Viton
cold insulated
Note:
− EPDM hose is not suitable for Ultra 350 nor for mineral oils.
− Never use silicone oil with silicone hoses.
− Secure the hoses with the aid of hose clips.
34
Internal
Temperature
diameter
range °C
Ø mm
9 10...120
12 10...120
12
External Ø -60...120
approx. 35 mm
11 10...100
11
External Ø -60...100
approx. 35 mm
11 10...200
8.5
External Ø -20...150
approx. 30 mm
11
External Ø -20...150
approx. 32 mm
Before putting the device into operation
8.3.4.2).
Application range
For all LAUDA heat transfer
liquids except Ultra 350 and
mineral oils
For all LAUDA heat transfer
liquids except Ultra 350 and
mineral oils
For all LAUDA heat transfer
liquids except Ultra 350 and
mineral oils
Water
water/glycol mixture
Water
water/glycol mixture
For all LAUDA heat transfer
liquids
For all LAUDA heat transfer
liquids
For all LAUDA heat transfer
liquids
ECO GOLD
Catalogue num-
ber
RKJ 111
RKJ 112
LZS 021
RKJ 059
LZS 007
RKJ 091
LZS 017
LZS 018
25/08/2011/ YACE0088