F3Dn Service Manual Refrigeration / Section 4.2
For Technical Support, Call 800-537-2653. Copyright
2006 Franke, Inc. All rights reserved.
4.2 Freezer Thermostat Controller Replacement
[120V/60Hz
use
Part No. 19000652]
[230V/50Hz
use
Part No. 19000853]
1)
F3Dn Dispenser should be OFF and the freezer
compartment fully defrosted before proceeding.
2)
Disconnect power at outlet. [Pull plug.]
3)
Using a medium Phillips screwdriver, remove two screws
from top of front control panel and four screws securing
the sloped access panel.
4)
The Danfoss Controller is mounted to the side of an
electric chase, has a knob graduated 1-9; three
connected wires and two cable assemblies. Remove the
press fit knob from the controller.
5)
Using a small pliers or adjustable wrench, remove the
hex nut holding controller to the side of metal chase.
6)
Disconnect the two cable assemblies from the controller.
Label then disconnect the three wires from the controller
terminals.
7)
Place new controller near chase and reconnect the three
wires to the ¼” [6 mm] spade terminals, per your labels.
8)
Reconnect cable assemblies from: the LED Display and
the remote sensor. [Connectors are different and can
only be assembled one way.]
9)
Position new controller inside electric chase and tighten
hex nut securely…but DO NOT over-tighten.
10) Using the screws previously removed, re-install electric
chase cover.
11) Replace press fit controller knob.
12) Verify the new thermostat is set between 4-5.
Test
Operation of new thermostat controller by:
13) Plug in unit to power source.
14) Turn ON unit at Main Power-ON Switch.
15) Allow compressor to draw unit down to its normal
operating temperature range, which should be between 0
and -10
°
F [-18 to -23
°
C]. [Cool down time of 1-1/2 to 2
hours is normal.]
16) Close [black] sloped service access and front control
panels and return dispenser to normal operating location.
[Photo 1]
Remove two screws from front
control panel & four screws that
secure sloped access panel.
[Photo 2]
Remove press fit knob, hex
mounting nut, two cable
harnesses & three wire
connectors to pull thermostat.
[Photo 3]
Unit ships from factory with
thermostat preset at 5. [Dial
range is from 1 to 9.]
Rev. 2 11/06
Ø
