beautypg.com

Figure 4: circuitry pcb 3 channel 3, Tb4 tb6 tb5, N.c. n.o. com. n.c. n.o. com – ENMET ISA-44-2OD User Manual

Page 10

background image

ENMET Corporation

ISA-44-2-OD

6

Figure 4: Circuitry PCB 3 Channel 3

Relay

K4

Relay

K5

TP1 Red

TP2 Black

R37

R3

R1

R4

R2

TB4

TB6

TB5

Chassis

Ground

115 V

AC

H

IGH

115 V

AC

L

OW

N.C.

N.O.

COM.

N.C.

N.O.

COM.

Channel 3

High Relay

Channel 3

Low Relay

+12 V

DC

DC Ground

Sensor Heater
Orange Wire

Sensor Ground
Brown Wire

Sensor Signal
Blue Wire

Purge Adjust

Meter Adjust

Heater Adjust

Low Alarm Set

High Alarm Set