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
Page 4
4
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
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