Installation
Row
-DENCO
38
FläktGroup DC-2014-0106-GB 2019-02/R3 • Subject to modifications
8.2.3 Clearances
Fig. 8-4
8.3
Connection of the refrigeration circuit to the external evaporator (on-site)
Refrigerant lines
Only copper refrigerant lines meeting DIN EN12735-1 standards may be used.
The relevant requirements especially apply to:
– quality of internal surfaces
– sealed pipe ends
– pipe labelling
– testing
– pressure resistance
Line lengths and dimensions
Short line lengths
Keep the pipe length as short as possible. The greater the distance between chiller and
the on-site evaporator, the greater are the pressure drops in connected pipes, resulting
in reduced energy efficiency of the unit.
The maximum distance as well as the maximum difference in height between the unit
and the on-site evaporator are determined at following pages.
Notice!
Medium connections may only be carried out by qualified licensed staff or other
individuals with proper professional training and experience in the relevant acci-
dent prevention regulations, as well as other generally recognized safety and occu-
pational health codes (also refer to section 4.10 "Personnel selection and
qualification").
High pressure hazard!
When working on hydraulic or refrigeration circuits or in case of damage to the com-
ponents or piping, there is a risk of injury from fluids or gases escaping at high pres-
sure. Exercise due caution and attention when carrying out this work.
•
Wear suitable protective clothing during work.
Caution due to low temperatures!
Contact with a liquid refrigerant can result in skin burns or injury to other organs.
Exercise due caution and attention when carrying out jobs and avoid contact with a
refrigerant.
•
Wear protective gloves.
