2205Q2JE-HO-S6-N_2020.01.
Chapter 5 Maintenance and Inspection
SCV-series Screw Compressor 5.4 Disassembly and Inspection
5-14
5.4 Disassembly and Inspection
5.4.1 Unloader Indicator Block
The SCV-series unloader indicator has been changed to the
new type indicator (right picture) with the protection grade
IP66 by improving the performance of the dust and water proof
from December 2014 Moriya factory production.
This new indicator IND-052WP and IND-062WP are nearly
same to the traditional indicator in the following items: outer
dimensions, mounting method to the compressor, signal
output of the loaded capacity 0 % to 100 % by using a
potentiometer, and contact output function by using
micro-switches.
Major changes (improvements) are described in Table 5-6.
Table 5-6 Difference of Unloader Indicator between old type and new type
Item Traditional type New type
Dust and water proof
Equivalent to
protection grade IP20
Protection grade IP66
Quantity of housing parts 2 4
Potentiometer Wire wound type Conductive plastic
Micro-switch Wiring is screwed. Wiring is connected with connector
Terminal block 6P terminals 7P terminals
For more details of the new type indicator IND-052WP, refer to the another dedicated instruction
manual.
The traditional type indicator is described as the target.
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