COSTAN TECHNICAL DOCUMENTATION
REVISION STATUS
TRUE COPY
PAGE 24 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
Actuation diagram for safety electronic and electromechanical devices – BT applications
using R404A.
PLP
(KP1)
(0 bar)
(-46°C)
PoMin
1
(0,1 bar)
(-44°C)
NORM
A
L OPER
ATION ZONE UNDE
R CONTROLLE
R REGULATION
PcMax
1
(25,8 bar)
(+57°C)
1
Controller parameter to be configured as explained in the “Control and Regulation” section of the Use and Maintenance manual.
stands for the tripping point of mechanical backup pressure switches
Operation zone of controller
AK-PC530
PCO3
and safety mechanical
pressure switches
set
point
Po
-37°C
PSB
(KP1)
(0,5bar)
(-37°C)
PSA
(KP5)
(20,4bar)
(+47°C)
PHP-C
(KP5)
(26,5bar)
(+58,1°C)
PHP-1
(KP7B)
(27 bar)
(+59°C)
PHP-2
(KP7S)
(28 bar)
(+60,6°C)
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