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S S t t a a r r t t - - u u p p a a n n d d S S h h u u t t d d o o w w n n
Satisfied Setpoint
The following diagram shows the normal transition
from Running to shutting down due to the Evap
Figure 56. Sequence of events: satisfied setpoint
D ifferen tial to S to p is M et
6
6 6
/
/ /
1
1
R u n n in g
L a st
L ast C irc u it M o d e:
C o m p res s o r
A t M in S p e ed
6/ 13/ 2012
*
N o te : O p eratio n a l P u m p d o w n is req u ired if th e O u td o o r A ir T em p eratu re is le s s th a n 5 0 F .
**
N o te : O p eratio n al P u m p d o w n is T erm in ated N o rm ally w h en th e E vap o rato r R e frig e ra n t
P re ssu re is a t o r b e lo w 20 P S IA .
T h e M ax im u m A llo w e d T im e fo r O p eratio n al P u m p d o w n is 2 M in u te s.
74
8 /10 /201 2 - 10/13/201 2
2
2
/ /
/
2
2
0 0
0
1
1
2
2
- 8
8 8
/
/ /
1
1
0 0
0
/ /
/
2
2
0
0 0
1
1
2
2
R u n n in g
L ast C ircu it M o d e: S h u ttin g D o w n
R u n n in g
S u b M o d e: O p eratio n al P u m p d o w n
O p eratio n al P u m p d o w n
(0 S eco n d s to 2 M in u tes)
C lo se E X V
(0 to 25 S eco n d s)
8/ 11/ 2012
F u lly C lo se E X V
N o P u m p d o w n R e q u ired
IF
*
P e rfo rm O p eratio n al
P u m p d o w n
P u m p d o w n fo r L ast
R eq u ired
C ircu it if R eq u ired
6 /1
1
1
1
1
5
5
5
/
/
/
2
2
2
2
2
2
2
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
2
2
2
2
2
2
2
2
T erm in atio n C riteria M et
Leaving water temp falling below the differential to
stop setpoint.
N o rm a l P u m p d o w n T e rm in a tio n
C riteria is M e t fo r L as t C irc u it
S h u ttin g D o w n
*
W a itin g fo r N e e d to C o o l
10/ 14/ 2012
S en d S to p C o m m an d
T u rn O ff L ast C irc u it's
*
6 /1
1
1
5
5
5
5
5
5
5
5
/
/
/
/
2
2
2
2
2
6/ 12/ 2012 - 12/ 11/ 2012
C h eck fo r
1
1
1
1
1
1
1
1
2
2
2
2
2
2
2
2
/
/
/
/
/
/
/
/
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
/
/
/
/
/
/
/
/
2
2
2
2
2
2
2
2
2
2
0
0
0
0
1
1
2
N o rm al P u m p d o w n
**
**
1
1
0 0
0
/ /
/
1
1
3
3 3
/
/ /
2
2
0 0
0
1
1
2
2
- 1
1
2
2
/ /
/
1
1
1
1
/
/ /
2
2
0
0 0
1
1
2
2
A u to
B o th C irc u it M o d e s :
12/ 11/ 2012
T o C o m p resso r
C o n d en ser F an s
6
6
6
6
6
6
6
6
/
/
/
/
/
/
/
/
1
1
1
1
1
1
1
1
2
2
2
2
2
2
2
2
/
/
/
/
/
/
/
/
2
2
2
2
2
2
2
2
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
2
2
2
2
2
2
2
2
-
-
-
-
-
-
1
1
1
1
1
1
1
1
2
2
2
2
2
2
2
2
/
/
/
/
/
/
/
/
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
/
/
/
/
/
/
/
/
2
2
2
2
2
2
2
2
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
2
2
2
2
2
2
2
2
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
2
2
2
2
2
2
2
2
1
1
1
1
1
1
1
1
2
2
2
2
2
2
2
2
/
/
/
/
/
/
/
/
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
/
/
/
/
/
/
/
/
2
2
2
2
2
2
2
2
2
2
0
0
0
0
1 2
E
E n fo rce A ll N o n R u n n in g
n
n
in
n
g
M o d e D iag n o stics
E n erg ize L ast C ircu it
O il H eaters
A u to
AC-SVX001A-EN
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