Microprocessor Board Layout; Fig. 48 - Component Layout - York eco2 YCAS0425EB Installation Operation & Maintenance

1.11

MICROPROCESSOR BOARD LAYOUT

1
2
5
ITEM
1
2
3
4
5
FIG. 48 – COMPONENT LAYOUT
YORK INTERNATIONAL
DESIGNATION DESCRIPTION
J18 Clock Enable/Disable Jump Contact
Real Time Clock and Battery Backup I.C.
RTC (U13)
Microprocessor I.C. (label shows version)
EPROM
NOTE : Dimple is positioned at top edge
S1 Dip Switch Set (8 switches)
S2 to S5 System Switches S2 = System 1
26001A
S3 = System 2
S4 = System 3
S5 = System 4
FORM 201.18-NM8
3
4
9
107