SECTION 7 – MAINTENANCE
FORM 155.32-ICOM2.EN.UL
ISSUE DATE:1/10/2018
154
JOHNSON CONTROLS
Figure 71 -
Wet Storage During Heating Operation Period
Work Procedure
1. If the quality of the remaining cooling water is deteriorated, drain all the cooling water
from the absorber and the c
ondenser
.
2. Flow clean water from a higher location than the chiller-heater. Then feed the clean
water continuously and clean the tubes well.
3. Fill the absorber and the condenser with clean water.
4. Circulate the clean water with the cooling water pump for 30 minutes to 1 hour.
5. Drain all of the cooling water from the absorber and er.
6. Fill the absorber and condenser with clean water.
7. Keep this condition during heating operation period.
LD27455
3
3
3
Tapping for
7
7
7
7
7
7
7
Valve Setting
:NXKK=G_<GR\K
=OZNOT9IUVKUL*KRO\KX_
.OMN:KSVKXGZ[XK
-KTKXGZUX
5[ZYOJK9IUVKUL*KRO\KX_
8KVRGIKSKTZ=GZ
*XGOT<KTZ
'HYUXVZOUT
)NORRKXNKGZKX
INKSOIGRIRKGTOTM
/TYZGRRZNKV[SVGZZNKNOMNVXKYY[XK
YOJKULZNK'HYUXVZOUTINORRKXNKGZKX
)NORRKJ=GZKX6[SV
'HYUXHKX)UTJKTYKX
LUX)UUROTM]GZKX
+\GVUXGZUX
LUX)NOORKJ]GZKX
'JJOZOUTGR.KGZ+^INGTMKX
LUXNKGZOTM.=
,R[K-GY
)UUROTM
:U]KX
(RU]
\GR\K
*XGOT
<KTZ
8KVRGIKSKTZ
=GZKX
+^VGTYOUT
:GTQ
)OXI[RGZOTM
.KGJKX
6U]KXY[VVR_OTYZX[SKTZG
ZOUT:KRKVNUTKROTKLUX
SUTOZUXOTM
)UTZXUR
6GTKR
*XGOTLXUS
)NORRKXNKGZKX
GTJYGLKZ_\GR\K
*XGOTGMKKW[OVSKTZ
:GVVOTMLUXINKSOIGR
IRKGTOTM
'OX\KTZ
)UTZXUR6GTKR
,RU]
3KZKX
,[KR
5[ZYOJK9IUVKUL*KRO\KX_
)UUROTM=GZKX6[S
5VKT
5VKT
5VKT
5VKT
)RUYK
)RUYK
)RUYK
)RUYK
)RUYK
)RUYK
5VKT
5VKT
)RGYYOLOIGZOUT
*[XOTM.KGZOTM
*[XOTM)UUROTM