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I / O Board
J1-31
NOT USED
DRIVER
J1-30
NOT USED
DRIVER
REFRIGERANT
J1-29
LEVEL CONTROL
DRIVER
OPEN
REFRIGERANT
J1-28
LEVEL CONTROL
DRIVER
CLOSE
REFRIGERANT
J1-29
LEVEL CONTROL
OPEN
REFRIGERANT
J1-28
LEVEL CONTROL
CLOSE
FIG. 17 (CONT'D) – I/O BOARD DIGITAL OUTPUTS
44
TRIAC
G
G
TRIAC
TRIAC
G
G
TRIAC
TRIAC
DRIVER
G
G
TRIAC
DRIVER
TB1-158
2
Q3
1
TB1-159
1
Q4
2
TB1-160
TB1-161
2
Q5
1
TB1-162
1
Q6
2
TB1-163
TB1-161
2
Q5
1
TB1-162
24VAC
1
Q6
2
TB1-163
115VAC
FORM 160.54-M1(503)
REFRIGERANT
LEVEL CONTROL
ACTUATOR
(BARBER-COLEMAN)
3
X
2
L1
L2
FIELD
115VAC
REFRIGERANT
LEVEL CONTROL
ACTUATOR
(BELIMO)
2
1
3
LD04061
YORK INTERNATIONAL
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