Table 33 - Changeover Valve Operation - York EX Series Installation, Operation & Maintenance Instructions Manual

FORM 155.32-ICOM1.EN.GB
ISSUE DATE: 10/13/2017

TABLE 33 - CHANGEOVER VALVE OPERATION

OPERATION
MODE
HG ->E
Ref
Cooling X
Heating Ø
Simultaneous X
cooling and
residential hot
water supply
Simultaneous Ø
heating and
residential hot
water supply
Residential hot X
water supply (sole
mode)
JOHNSON CONTROLS
VALVE OPERATION/LOCATION
E->A LG ->C HG Sol
Ref Ref Supply
Return
X Ø Ø
Ø Ø Ø
X Ø Ø
Ø Ø Ø
X X X
HG Sol RHW RHW
Return Ref Ref
Supply Return
Ø X X
Ø X X
Ø Ø Ø
Ø Ø Ø
X Ø Ø
SECTION 6 – OPERATION
LG->HG Purge valves
Ref
Return
X Set to automatic
purge of the
purging tank
X Close V10, V11,
V12. V13. V14,
V15, V16
X Set to automatic
purge of the
purging tank
X Close V10, V11,
V12. V13. V14,
V15, V16
Ø Close V10, V11,
V12. V13. V14,
V15, V16
127
6