F3D3 Series Service Manual Parts Replacement / Section 2.22
For Technical Support, Call 800-537-2653. Copyright 2012 Franke, Inc. All rights reserved.
2.22 Cable Heaters Replacement…Continued
14) Attach one end of new cable heater to bad cable heater
either: black-to-white wire or white-to-black (or brown-to-
blue or blue-to-brown) wire.
15) Pull opposite end of old heater (from attachment) out of
copper tubing, drawing new heater down into tubing run.
16) When new heater is full inserted within tubing run, detach
old heater and discard.
17) Take both wire ends of new heater and secure to your
string or fish tape.
18) From rear of unit – pull your string or fish tape until both
heater wires route to and reach the terminal block.
19) Remove string/fish tape and attach heater black/white
leads to terminal block.
20) Use plastic ties to route and bundle wire heater leads.
To Replace Freezer Base Perimeter Heater:
6) From back of unit - locate Base Heater copper tubing
ends right of right lane hopper rotor motor. [See Photo 6]
7) Free the two white Base Heater wires from harness by
cutting any plastic wire ties.
8) Obtain new Freezer Base Heater [P/N: 19003973 (120V)
or 19003975 (230V)], remove any protective packaging
and uncoil the cable.
9) Use electric tape to neatly secure either wire-end of new
heater cable to the old heater cable.
10) Carefully pull the old heater out of the copper tubing,
while feeding the new cable into the tubing.
IMPORTANT: Do not allow the new cable heater to kink.
11) When the new cable lead appears, remove the tape that
connects the old heater cable and discard.
12) Center the new heater within the copper tubing run and
extend wire leads up to terminal block.
13) Attach both white heater leads to terminal block per
electric schematic in SM Section 1.6.
14) Use plastic ties to route and bundle wire heater leads.
Test Either New Cable Heater by:
1) Plug in unit to the power source.
2) Check the cable heater wires with your AMP Meter. It
should be pulling .22 to .3 AMPs.
3) If reading is OK, replace and secure rear access panel; [If
replacing Door Perimeter Heater, replace and secure
front control bezel/cover]; and return F3D3S to normal
operating position.
[Photo 5] - From above
Use string or fish to pull heater
wires through from terminal. Use
old heater to pull new heater
though copper loop.
[Photo 6] For Bottom Heater
Use old heater to pull new
heater though copper loop.
Rev. 1 6/2012
Medium Phillips screwdriver
Small flat blade screwdriver
2 meters of string or fish tape
Electric tape
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