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8 - CONTENTS OF THE MENUS
Number of cut-offs caused by discharge temperature on stage 1 in 24 hours :
C U T S
Number of cut-offs caused by discharge temperature on stage 2 in 24 hours :
C U T S
Percentage of opening for the electronic expansion valve on circuit 1 :
O P E N I N G
Circuit 1 liquid temperature :
L I Q U I D
Circuit 1 subcooling value :
S U B C O O L I N G
Number of cut-offs caused by circuit 1 expansion valve fault :
B Y
■ Circuit 2
Circuit 2 High Pressure value :
Value of calculated HP control setpoint :
S E T P O I N T
Circuit 2 condensing temperature value resulting from the previous pressure value and the refrigerant selected :
C O N D .
Stage 1, circuit 2 discharge temperature value :
R E F O U L E M E N T
T E M P E R A T U R E
Stage 2, circuit 2 discharge temperature value :
T E M P E R A T U R E
Desuperheat temperature on circuit 2 stage 1 discharge
(= discharge temperature – condensation dew point temperature) :
D E S U P E R H E A T
D E S U P E R H E A T
Desuperheat temperature on circuit 2 stage 2 discharge
(= discharge temperature – condensation dew point temperature) :
D E S U P E R H E A T
Circuit 2 Low Pressure value :
48
P 3 2 4 . 1
N O .
I N
2 4 H
P 3 2 4 . 2
N O .
I N
2 4 H
P 3 2 5
C 1
P 3 2 6
C I R C U I T
T E M P .
P 3 2 7
C I R C U I T
P 3 2 8
N O .
C 1
E X V
P 3 3 0
H P 2
P 3 3 1
H P 2
P 3 3 1
C I R C U I T
T E M P .
P 3 3 2 . 1
D I S C H A R G E
P 3 3 2 . 1
D I S C H A R G E
P 3 3 2 . 2
D I S C H A R G E
P 3 3 3 . 1
D I S C H A R G E
P 3 3 3 . 1
D I S C H A R G E
P 3 3 3 . 2
D I S C H A R G E
P 3 3 4
L P 2
D I S C H A R G E
D I S C H A R G E
E X V
1
1
C U T O F F S
I N
2 4 H
P R E S S U R E
C O N T R O L
2
2
3
4
P R E S S U R E
1
X
2
X
X X X %
x x . x °
x x . x °
C A U S E
x
x x . x b
x x . x °
x x . x °
x x x °
x x x °
x x x °
2
x x . x °
3
x x . x °
4
x x . x °
x x . x b
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