COSTAN TECHNICAL DOCUMENTATION
REVISION STATUS
TRUE COPY
PAGE 19 OF 18
PRODUCT:
EPTAGLOO
ORD
DATE
CHANGE ORDER
OF THE SIGNED
DATE OF 1st ISSUE
A
18.Dec.2008
UPDATE
ORIGINAL
13/June/07
DOC. no. QSM0000406A
CHAP. No.:
040
B
28.July.2009
UPDATE
C
CHAPTER:
INSTALLATION
C
23.Feb.2010
RANGE
EXTENSION
D
11.Nov..2010
SAFETY VALVE ADDED
ISSUED BY MKT
PED-COMPLIANT SAFETY PRESSURE SWITCHES
High pressure side
MT
LT
I.D. FUNCTION
R404A
bar (°C)
R404A
bar (°C)
SYSTEM PROTECTION
1,5
(-25)
0
(-46)
PLP
1
UTQ39030 -SHEET
3
DIFFERENTIAL 1,0
0,7
PED-COMPLIANT SAFETY PRESSURE SWITCHES
High pressure side
MT
LT
I.D. FUNCTION
R404A
bar (°C)
R404A
bar (°C)
SYSTEM PROTECTION
27
(+59)
27
(+59)
PHP-1
2
UTQ39030 -SHEET
3
DIFFERENTIAL
fixed 4,0
fixed 4,0
SYSTEM PROTECTION
28
(+60,6)
28
(+60,6)
PHP-2
3
UTQ39030 -SHEET
3
DIFFERENTIAL
fixed 4,0
fixed 4,0
COMPRESSOR PROTECTION
26,5
(+58,1)
26,5
(+58,1)
PHP-C
4
UTQ39070 - SHEET
3
DIFFERENTIAL 6,0
6,0
1
System-protection low-pressure switch KP1, automatic-reset, adjustable-setting.
2
High-pressure switch KP7B, manual reset type for system protection (factory-calibrated at Costan's)
3
System protection high pressure switch KP7S, manual-reset type (calibrated at Costan’s).
4
High pressure switch KP5, manual-reset type, for compressor protection (one for each compressor, factory-calibrated at Costan’s).
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