August 2011 compressors.danfoss.com - DEHC.EI.100.M6.02 / 520N0312 1/2
Instructions
Electronic Unit (Automotive Applications) for
BD35F Compressors, 101N0600, 12-24V DC
The electronic unit is a dual voltage device. This
means that the same unit can be used in both 12V
and 24V power supply systems. Maximum voltage is 17V for a 12V system and 31.5V for a 24V
power supply system. Max. ambient temperature
is 55°C. The electronic unit has a built-in thermal
protection which is actuated and stops compressor operation if the electronic unit temperature
gets too high.
Installation (Fig. 1)
Connect the terminal plug from the electronic unit
to the compressor terminal. Mount the elec tro nic
unit on the compressor by snapping the cover
over the screw head (1).
Power supply (Fig. 1)
The electronic unit must always be con nec ted
directly to the battery poles (2). Con nect the plus
to + and the minus to -, otherwise the elec tronic
unit will not work. The electronic unit is pro tec ted
against reverse battery connection.
For protection of the installation, a fuse (3) must
be mounted on the + cable as close to the battery
as possible. 15A fuse for 12V and 7.5A fuse for
24V circuits are recommended.
If a main switch (4) is used, it should be rated to
a current of min. 20A.
The wire dimensions in Fig. 2 must be observed.
Avoid extra junctions in the power supply system
to prevent voltage drop from affecting the battery
protection setting.
Battery protection (Fig. 1)
The compressor stops and restarts again according to the designated voltage limits measured on
the + and - terminals of the electronic unit.
The standard settings for 12V and 24V power
supply systems appear from Fig. 3.
Other settings (Fig. 4) are optional if a connection which includes a resistor (9) is established
between terminals C and P.
Thermostat (Fig. 1)
The thermostat (7) is connected between the
terminals C and T. Without any resistor in the
control circuit, the compressor will run with a
fi xed speed of 2,000 rpm when the thermostat
is switched on.
Other fi xed compressor speeds in the range between 2,000 and 3,500 rpm can be obtained when
a resistor (8) is installed to adjust the current (mA)
of the control circuit. Resistor values for various
motor speeds appear from Fig. 5.
Fan, optional (Fig. 1)
A fan (5) can be connected between the terminals
C and F. Since the output voltage between the
terminals C and F is always regulated to 12V,
a 12V fan must be used for both 12V and 24V
power supply systems.
The fan output can supply a continous current
of 0.5A
avg
. A higher current draw is allowed for 2
seconds during start.
Lamp, optional (Fig.1)
The 10W power should be split on fan and lamp
(10) output (5W each) or 10W only on fan or
lamp output.
Fig. 1
Optional battery
protection settings
24V max.
Voltage
31.5
31.5
31.5
31.5
31.5
31.5
31.5
31.5
31.5
31.5
31.5
31.5
31.5
31.5
31.5
24V cut-in
V
22.7
22.9
23.2
23.4
23.7
23.9
24.2
24.5
24.7
25.0
25.2
25.5
25.7
26.0
24V cut-out
V
21.3
21.5
21.8
22.0
22.3
22.5
22.8
23.0
23.3
23.6
23.8
24.1
24.3
24.6
12V max.
Voltage
17.0
17.0
17.0
17.0
17.0
17.0
17.0
17.0
17.0
17.0
17.0
17.0
17.0
17.0
12V cut-in
V
10.9
11.0
11.1
11.3
11.4
11.5
11.7
11.8
11.9
12.0
12.2
12.3
12.4
12.5
10.9
12V cut-out
V
9.6
9.7
9.9
10.0
10.1
10.2
10.4
10.5
10.6
10.8
10.9
11.0
11.1
11.3
9.6
Resistor
(9) kΩ
0
1.6
2.4
3.6
4.7
6.2
8.2
11
14
18
24
33
47
82
220
Fig. 4
ENGLISH
Fig. 3
24V cut-out
V
22.8
12V cut-in
V
11.7
24V cut - in
V
24.2
12V cut-out
V
10.4
Standard battery protection settings
Fig. 2
Wire dimensions
*Length between battery and electronic unit
Max length*
24V DC
operation
ft. m
16 5
26 8
39 12
66 20
Size
AWG Cross
section
Gauge mm
2
12 2.5
12 4
10 6
8 10
Max length*
12V DC
operation
ft. m
8 2.5
13 4
20 6
33 10
Compressor speed
Electronic
unit
101N0600
Motor
speed
rpm
2,000
2,500
3,000
3,500
Resistor
(8) Ω
(calculated)
0
277
692
1523
Contr.circ.
current
mA
5
4
3
2
Fig. 5
Fan Lamp
5 watt 5 watt
10 watt 0 watt
0 watt 10 watt
both outputs: 12V DC, 0-5W
LED (optional, Fig. 1)
A 10mA light emitting diode (LED) (6) can be connected between the terminals + and D.
In case the electronic unit records an operational
error, the diode will fl ash a number of times. The
number of fl ashes depends on what kind of operational error was recorded. Each fl ash will last
¼ second. After the actual number of fl ashes
there will be a delay with no fl ashes, so that the
sequence for each error recording is repeated
every 4 seconds.
Number
of
fl ashes
Error type
Thermal cut-out of electronic unit
(If the refrigeration system has been too hea vi ly
loaded, or if the ambient temperature is high, the
electronic unit will run too hot).
5
Minimum motor speed error
(If the refrigeration system is too heavily loaded,
the motor cannot maintain minimum speed
1,850 rpm).
4
Motor start error3
(The rotor is blocked or the differential pressure
in the refrigeration system is too high (>5 bar)).
Fan over-current cut-out2
(The fan loads the electronic unit with more
than 1A
peak
).
1
Battery protection cut-out
(The voltage is outside the cut-out setting).
Constant
LED
light
Safe mode
(The unit is out of specifi cation, but will still be
running as long as possible).
2/2 Designed and manufactured by Secop for DANFOSS - DEHC.EI.100.M6.02 / 520N0312 August 2011
Danfoss can accept no responsibility for possible errors in catalogues, brochures and other printed material. Danfoss reserves the right to alter its products without notice. This also applies to products
already on order provided that such alterations can be made without subsequential changes being necessary in specifi cations already agreed.
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Instructions
Electronic Units for BD Compressors
VDE/UL Approvals for BD Compressors
Approved Compressor - Electronic Unit Combinations
Compressors Electronic Units
Standard EMI High start High speed AEO AEO EMI
101N0210 101N0220 101N0230 101N0290 101N0300 101N0320
BD35F mm 101Z0200
UL UL UL
BD35F inch 101Z0204
UL UL UL
BD35K (R600a) 101Z0211
BD50F mm 101Z1220
UL UL UL UL
BD50F inch 101Z0203
UL UL UL UL
BD80F mm 101Z0280
BD250GH 101Z0400
BD250GH Twin 101Z0500
BD100CN (R290) 101Z0401
Compressors Electronic Units
Solar AC/DC converter Automotive Automotive Telecommunication Extended EMI
101N0400 101N0500 101N0600 101N0630 101N0730 101N0900
BD35F mm 101Z0200
UL VDE/UL
BD35F inch 101Z0204
UL VDE/UL
BD35K (R600a) 101Z0211
BD50F mm 101Z1220
VDE/UL
BD50F inch 101Z0203
VDE/UL
BD250GH (48V) 101Z0402
UL
VDE/UL
= Combination possible, VDE or UL approval
= Combination possible, but no approval
= Combination not possible
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