Start-up and Shut-dow n
84
CVHH-SVX001A-EN
The purge then shuts dow n for a corresponding period of
tim e, as show n in the follow ing table:
During the purge refrigeration circuit Off cycle, the tim e
rem aining is displayed as Tim e Until Next Purge Run in the
Log Sheet that you can view from the Tracer AdaptiView
display (refer to
“ Log Sheet,” p. 21
).
If the com pressor is turned Off during the purge
refrigeration circuit Off cycle, the purge transfers to
Adaptive M ode Procedure—Chiller Com pressor Off.
Figure 49, p. 86
illustrates this process.
Figure 48.
Adaptive chiller ON flow chart
Fir st chiller pow er- up.
Pur ge operat es
cont inuously for 168
hour s t o collect dat a.
Chiller On or Off.
Chiller and pur ge
st ar t .
Pur ge r uns.
Has pur ge
run 60
m inut es
w it hout any
pum p- out ?
The pur ge cont r ol r ev iew s
t he hist or ical dat a and
det erm ine t he Pum pout
Tim e w it h t he chiller On
( Pum pout Tim e fr om last
24 hour s daily average over
last 7 day s, w hichever is
gr eat er.
Yes
No
Tur n pur ge unit Off for
1 hour, t hen r est art .
Tur n pur ge unit Off for
2 hour s, t hen r est ar t .
Tur n pur ge unit Off for
3 hours, t hen r est ar t .
Tur n pur ge unit Off for
4 hour s, t hen r est art .
I s Pum pout
Tim e gr eat er
t han 8
m inut es?
I s Pum pout
Tim e gr eat er
t han 5
m inut es?
I s Pum pout
Tim e gr eat er
t han
3 m inut es?
I s Pum pout
Tim e gr eat er
t han
1 m inut e?
Yes
Yes
Yes
Yes
No
No
No
No
Pu m pou t Tim e w it h ch ille r On
( ov e r t h e la st 2 4 h ou r s or da ily a ve r a ge
ov e r t h e la st 7 da y s, w h ich e v e r is gr e a t e r )
Pu r g e Off cy cle
du r a t ion
Pum pout Tim e
≤
1 m inut e
4 hour s
1 m inut e < Pum pout Tim e
≤
3 m inut es
3 hour s
3 m inut es < Pum pout Tim e
≤
5 m inut es
2 hour s
5 m inut e < Pum pout Tim e
≤
8 m inut es
1 hour
Pum pout Tim e > 8 m inut es
No Off cycle
Содержание CVHH
Страница 110: ......
