Fig. 15 - I/O Board Typical Opto-Coupler Circuit; Fig. 16 - I/O Board Typical Field Connections - York MAXE OPTIVIEW YK Service Instructions Manual

TB4 - X
TB3 - X
NEUTRAL
TB3 - 2
FIG. 15 – I/O BOARD TYPICAL OPTO-COUPLER CIRCUIT
FIELD SUPPLIED
DRY CONTACTS
(RATED 5MA @ 115VAC)
FIG. 16 – I/O BOARD TYPICAL FIELD CONNECTIONS
YORK INTERNATIONAL
OPTO-COUPLER
TYPICAL (20 CKTS)
TB4 - X
TB4 - 1
+5VDC
JI - 22/23
OPTO-
COUPLER
115VAC
TB3 - 1
FORM 160.54-M1(503)
J19 - 21
JI - Y
4
LD04057
J1 - Y
LD04058
41