Setting Up The Speed - Danfoss GLT80TDC Installation Manual

Setting up the speed

Table 2. Compressor
speed for each connector
Replacing a GLT80TDC
compressor or FDC3
electronic driver
Replacing a different
brand DC compressor
6
FRCC.PI.044.A1.02
The electronic control unit FDC3 is supplied
with the exclusive Serial Port Interface (SPI),
featuring a RJ45 telephone type connector. This
port is configured to set up the compressor
speed through physical connections between
Connector
NONE
BLACK
BLUE
RED
Furthermore, if a FDC programming kit is
available, the new FDC3 electronic driver can
be set up by programming it using the kit and a
computer.
1. If a FDC programming kit is available, use it
to check the setting of the old FDC3 electronic
driver and set up the new one by programming
the same parameters.
2. Otherwise, check the old FDC3 electronic driver
for the presence of a connector at the SPI to set
1. Check for compressor displacement D
Speed S . Then calculate the required velocity of
0
GLT80TDC as follows:
S = D · S / 3 (D in cm3)
0 0 0
their terminals. To facilitate this procedure, three
connector cables are supplied together with the
electronic driver. The compressor will run at a
certain speed depending on the used connector,
as shown in Table 2:
Speed
2000
2500
3000
3500
NEVER USE FDC3 ELECTRONIC DRIVER IN OTHER
DC COMPRESSOR DIFFERENT THAN GLT80TDC.
If the compressor or the FDC3 electronic driver
should be replaced for servicing a refrigerator or
a freezer, one of the next procedures should be
followed.
up the speed. If so, take it away and connect it
again at the new FDC3 electronic driver.
3. Otherwise check the appliance for some
information about compressor speed set up. If
so, select the proper connector which gives the
nearest speed set up from table 2.
and and set up GLT80TDC speed by programming (if
0
FDC programming kit is available) or by selecting
a proper connector according to Table 2.