Johnson Controls York YCRE 040, Manual

Page: 42 / 68

Manual Set Switch C: DSW7-1, DSW7-2,
This switch defines the chilled liquid temperature range.
The settings for DSW7-1, DSW7-2 are as follows:
Manual Set Switch C: DSW7-3,
Set to ON to enable extended minimum capacity control
of 2 system units.
Manual Set Switch C: DSW7-4,
Set to ON to enable H-Link communications between
unit and HARC remote control.
Selection Switch for Cooling/ Heating Operation:
SW8
Factory default is COOL, SW8 in the up position.
If the optional heat pump is fitted, set SW8 to the down
position for HEATING operation. Note DSW4-1 must be
in the ON position for heat pump operation to be
enabled.
Selection Switch for Local/ Remote Operation:
SW6
Factory default is LOCAL, SW6 in the up position.
Set SW6 to the down position for REMOTE operation.
Selection Switch for Local/ Remote Pump
Operation: SW7
Factory default is REMOTE, SW7 in the down position.
Set SW7 to the up position for LOCAL operation
Chilled Water/Brine Switch: SW5.
SW5 must be set to the up position for WATER and the
down position for BRINE or GLYCOL.
6
-
12
035-21786-100 Rev. 1 (0909)
DSW7
Setting
Temp
1
Off
+5°C to +15°C
2
O
ff
2
Off On
-5°C to -10°C
On Off
+5°C to -5°C
1 1 2