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H-20/35 Pro Models
Installing this equipment requires access to parts that
may cause electrical shock or other serious bodily
injury if work is not performed properly. This work
should be performed by a qualified electrician.
Refer to H-20/35 Pro Proportioner Service manual
311393 for current unit schematics.
Remove AmpLok
1. Remove power from unit. Switch the Main Discon-
nect to OFF.
®
2. Remove AmpLok
controller, see F
a. Use 5/32 in. hex key wrench to remove four
retaining screws.
b. Pull controller down for easier access.
311510A
®
Controller
. 1.
IG
c. Remove wires from all six terminals.
d. Save two of the screws.
Hose Secondary
Circuit Breaker
Hose Transformer Secondary Cables
F
. 1: H-20/35 Pro Before Conversion
IG
3. Remove cables that are no longer needed.
a. Remove the #6 red cable from top of circuit
breaker that went to the AmpLok
b. Disassemble large wire nuts and tape. Discard
the two #16 black cables that went to the left two
®
AmpLok
terminals. Discard wire nuts.
H-20/35 Pro Models
®
AmpLok
Controller
®
controller.
3
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