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Step 4: removing the light pipes, Step 5: removing the old control board – Rockwell Automation 20L-LL PowerFlex 700L Liquid-to-Liquid Heat Exchanger Control Board Replacement User Manual

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PowerFlex® 700L Liquid-to-Liquid Heat Exchanger Control Board Replacement

Step 4: Removing the
Light Pipes

A. Pull out the gray plastic grommet that secures each of the two (2) light

pipes.

B. Pull out each light pipe from its connector on the board.

Step 5: Removing the Old
Control Board

A. Use the table below to note the settings of dipswitches S1 and S2.

B. Note the position of the J2 voltage selection jumper.

Light Pipes

Control Board

Grommets

Light Pipe Bracket

J2

J1

J5

J6

J7

J8

Electrical Box
(cover removed)

Control Board

Light Pipes

SW8

SW7

SW6

SW5

SW4

SW3

SW2

SW1

S1
S2

J2

FU1

1

9

1
2
3
4
5
6
7
8
9

1
2
3
4
5
6
7
8
9

115 VAC

Operation

Plug Position

230 VAC

Operation

Plug Position