Hach 900 MAX manual Section, Figure, Utility Board Connections

Models: 900 MAX

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Utility Board

Section 7

Figure 32

Utility Board

 

UTILITY BOARD

 

 

 

 

 

 

 

 

 

 

J17

J19

J7

J21

 

 

 

J6

 

 

 

 

 

 

J5

 

 

J18

J3

 

 

 

 

 

 

J1

J20

 

 

C11

 

 

 

 

TB1

 

 

J2

 

 

 

 

 

J15

 

F2

 

 

 

 

J22

 

 

 

 

 

J16

 

 

 

 

 

 

 

J4

 

 

 

 

 

 

J8

J9

J10

J11

J12 J13

J14

Table 21 Utility Board Connections

ID

Description

ID

Description

 

 

 

 

J1

Distributor

J12

Analog Input Channel 5

 

 

 

 

J2

Auxiliary

J13

Analog Input Channel 6

 

 

 

 

J3

pH/ ORP

J14

Analog Input Channel 7

 

 

 

 

J4

CPU Board

J15

Thermal Control

 

 

 

 

J5

Rain Gauge

J16

12 V dc Main

 

 

 

 

J6

Bubbler Module

J17

Relay Output

 

 

 

 

J7

Fluid Sensor #1

J18

4–20 mA PCB

 

 

 

 

J8

Analog Input Channel 1

J19

Fluid Sensor #2 (closest to pump)

 

 

 

 

J9

Analog Input Channel 2

J20

D.O. / Conductivity

 

 

 

 

J10

Analog Input Channel 3

J21

Submerged Sensor

 

 

 

 

J11

Analog Input Channel 4

J22

5 amp External Fuse

 

 

 

 

Page 102

Circuit Board Identification

8990mnt.fm

Page 104
Image 104
Hach 900 MAX manual Section, Figure, Utility Board Connections