F3Dn Service Manual Refrigeration / Section 4.8
For Technical Support, Call 800-537-2653. Copyright
2006 Franke, Inc. All rights reserved.
4.8 Condensing Unit Replacement
[110V/60Hz
use
P/N: 19000359]
[230V/50Hz
use
P/N: 19000453]
1)
Roll F3Dn unit out to disconnect power at outlet.
2)
Using a medium Phillips screwdriver, remove two screws
securing control panel and the four screws on the sloped
access panel.
3)
Using a 7/16” [11 mm] box wrench or socket, remove the
two Condenser Assembly base mounting bolts.
4)
Unplug the compressor power cord at the Main Electric
Supply junction box inside electrical chase.
5)
Note:
Recover any residual refrigerant and ensure line
pressure is equalized to zero, before opening the
refrigeration system.
6)
Cut the refrigerant lines.
7)
Lift old Compressor out of refrigeration compartment.
Place new compressor in position and secure with nuts.
8)
Clean and prepare the refrigeration line fittings, then
braise all the line connections.
9)
Note
: When resealing the system, use a continuous
Nitrogen charge to assure no contaminants enter the
system, especially when brazing.
10) Before recharging system, pull vacuum equivalent to 30
inches [760 mm] of Mercury, for minimum of 30 minutes.
11) Recharge the system with R404A refrigerant, per
nameplate label specifications.
12) Plug in condenser power cord at power junction box.
Test
operation of Refrigeration System by:
13) Plug in power cord to power outlet.
14) Turn ON unit at Main Power-ON Switch.
15) If compressor starts and brings the Freezer compartment
down to the normal operating temperature range of 0 to -
10
°
F [-18 to -23
°
C], repair is complete.
16) Replace sloped access panel and control panel; then
return F3Dn to normal operating location.
[Photo 1]
Remove the two Condenser
Assembly base mounting bolts.
[Photo 2]
Recover any residual refrigerant
and ensure line pressure is zero
before opening system.
[Photo 3]
When resealing the system, use
a continuous Nitrogen charge to
keep contaminants out.
Rev. 2 12/06
IMPORTANT
: Any residual refrigerant charge
should be recovered in strict accordance with the
Federal Clean Air Act.
@
Tools/Supplies Required
:
Ø
Medium Phillips screwdriver
Ø
7/16” [11 mm] socket/wrench
Ø
Refrigerant Recovery Tank &
fittings
Ø
Nitrogen Charge Tank
Ø
R404A Refrigerant
Ø
Tubing Cutter
Ø
Brazing Torch, etc.
CAUTION
Compressor weights 50-pounds. Obtain help if
needed to remove from refrigeration compartment.
