12
The data inside this manual are not binding and they can be modified by the manufacturer without notice.
All rights reserved.
NPC 015 TO 230
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 IP54.
The protection rating of the fans is IP44 for
NPC 015 TO 020
.
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 refrigerators: 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;
Refrigerators 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.
Model
width
depth
height
NPC
015
-
020
(mm)
(in)
560
22
1266
49.8
810
31.9
NPC
03
0-
0
40
(mm)
(in)
660
26
1311
51.6
1400
55.1
NPC 050-130
(mm)
(in)
760
29.9
1858
73.1
1447
57
NPC 150-230
(mm)
(in)
870
34.3
2240
88.2
2065
81.3
Summary of Contents for Precision NPC 015
Page 1: ...n psi C1 SM 01 01 US NPC 015 230 60 Hz UL SERVICE MANUAL...
Page 2: ......
