10
OPERATING AND MAINTENANCE MANUAL
Chapter 4 - Description
TAE K15÷K20
The data in this manual are not binding and may be changed by the manufacturer without notice.
Reproduction of this manual, even partial, is strictly prohibited.
4 . 7
P u m p
Centrifugal pump is installed. It is possible that the machine is supplied without pump on board.
For more information consult the attached diagrams.
The pump seals are made of ceramics/treated carbon/EPDM.
ATTENTION
Bleed the circuit by unscrewing the bleed cap on the pump whenever the water circuit is filled .See 5.4 “Hydraulic connections” .
NOTE
The pump must never run dry.
4 . 8
F a n s
Axial fans
The fans of axial type consist of a die-cast aluminium fan with sickle profile.
The protection rating of the fans is IP44 for TAE K15÷K20.
All fans have “F” insulation class to assure the external working with all types of climates. The assembly is completed with a superior (support
to the fan) safety protection grill.
4 . 9
C a s i n g
The base, uprights and panels are made of galvanized carbon steel and held together by screws and/or rivets. All panels undergo a phosphor
degreasing process followed by epoxy polyester powder coating.
The frame is designed to allow easy access to all machine components.
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 chillers: 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 AISI 304 stainless steel;
•
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.
Model
width
depth
height
TAE K15÷K20
(mm)
(in)
743
725
964