TAEevo015÷351
15
MAINTENANCE AND OPERATING MANUAL
Chapter 4 - Description
The data inside this manual are not binding and they can be modified by the manufacturer without notice.
All rights reserved.
TAEevo015÷351
4 . 1 0 M a t e r i a l s i n c o n t a c t w i t h t h e l i q u i d t o b e c o o l e d
There can be two different groups.
Standard
chille
rs: carbon steel, copper, aluminium, zinc, brass, stainless steel and plastics
in particular:
• evaporator with copper tubes, aluminium fins and shoulders in galvanised steel;
• tank in carbon steel;
Chille
rs with non-ferrous water circuit: stainless steel (AISI 304), copper, brass and plastics
in particular:
•
evaporator with tubes and fins in copper and brass shoulders;
•
tank in AISI 304 stainless steel;
alternatively
•
external plate evaporator
•
prismatic atmospheric tank
The pump mechanical seals are made of ceramics, graphite and/or EPDM.
4 . 1 1 M i n i m u m d i s t a n c e s f r o m w a l l s i n t h e i n s t a l l a t i o n a m b i e n t
See enclosures.
4 . 1 2 E l e c t r i c a l c i r c u i t
For the electrical connections, see Chapter 5
“Installation“
, Installation, and consult the enclosed drawings.
4 . 1 3 N e g a t i v e a m b i e n t t e m p e r a t u r e s ( n o t p r e s e n t i n m o d e l s f o r
4 6 0 / 3 / 6 0 p o w e r s u p p l y )
In the presence of sub-zero ambient temperatures (-20) the unit is equipped with a system that assures perfect operation, also in the presence of
harsh temperatures.
The additional elements fitted are:
•
electronic fans speed control;
•
crankcase heaters
•
electrical cabinet heaters
The pump and tank can be equipped with electrical heaters to prevent icing up (instead of using glycol solutions).