Sierra Monitor Corporation 4105 manual Combustible, Toxics

Instruction Manual

V OUT VOU T

P 1

R I BB ON C AB LE TO C PU ASS Y.

P1

R IB BON C ABL E TO CP U AS SY.

R 19

U2

TB2 U1

Pwr./Sig.

1 2	3 4	BAL	V OLTS
J P1		R 2	R1 1
		U 5
U4

R C A

TB1

Sensor

U 3	Black
	Brown
	Red

VOU T

U2

TB 2

U 1

Pwr./Sig.

1 2 3	4
	A B
JP 1	JP 2
	U 5
U 4

U 7

S R C

TB 1

Sensor

Black

Red

White

Combustible

P1

R IB BON C ABL E

TO CP U AS SY.

U2

TB 2

U 1

Pwr./Sig.

1 2 3	4
	A B
JP 1	JP 2
	U 5
U 4

ST-46A/EC I/O PCB FOR

ELECTROCHEMICAL SENSORS

R 19 Toxics

U 7

S R C

TB 1

Sensor

Short R&C

Black

Red

ST-46A/EC I/O PCB FOR

Oxygen

Figure 7.2

Wiring Diagram

Model 4105 Gas Sensor Module (12/02) Page: 9