Danfoss BD35F Direct Current Compressor 12-24V DC Datasheet
Summary
The BD35F is a high-efficiency, variable speed DC compressor designed for robust cooling systems using R134a refrigerant and compatible with 12–24V DC electricity. This manual provides comprehensive technical specifications, including operational capacity curves, detailed electrical cut-out settings, performance data across various temperatures, and critical installation guidance. It is essential documentation for HVAC technicians, engineers, and manufacturers building industrial or commercial refrigeration units that require precise, reliable cooling output.
Page 1 Text Content
BD35F Direct Current Compressor R134a 12 - 24V
Data Sheet (Replaces CD.46.A7.02)
Code numbers BD35F without electronic unit 101Z0200 BD35F 101Z
Electronic unit 12-24V DC - standard single: 101N0210, 30 pcs: 101N0211 Application
Electronic unit 12-24V DC - w. metal shielding single: 101N0220, 30 pcs: 101N0221
Blue stripe
Electronic unit 12-24V DC - with AEO single: 101N0300, 30 pcs: 101N0301 N 1297
Application
white background Application LBP/MBP/(HBP) Grey background
Evaporating temperature range °C -30 to 0 (10) Voltage range / max. voltage 12 - 24V DC / 31.5V DC Max. machine compartment temperature °C BD35F
Comp. cooling at ambient temp. 43°C S or F1* 12/24V DC * depending on application 0277 00 THERMALLY
Design
PROTECTED Displacement cm3 2.00 EC approval mark SYSTEM (electronic unit) Approval mark
Oil quantity cm3
Maximum refrigerant charge Static cooling normally sufficient Oil cooling
Free gas vol. in compressor cm3
Fan cooling 1.5 m/s (compressor compartment temperature
Weight: Compressor/Electronic unit kg 4.3/0.25
equal to ambient temperature) Fan cooling 3.0 m/s necessary
Motor Motor type Variable speed Resistance, all 3 windings (25°C) 2.3
Approvals E4 72/245 95/54 0277 00, UL984, CSA-C22.2
Dimensions Height mm
69MADE IN GERMANYBarcode on
Suction connector location/I.D. mm 6.2 ±0.09 ø16 ø9
Process connector location/I.D. mm 6.2 ±0.09 Discharge connector location/I.D. mm 5.0 +0.12/+0.20 Compressors on a pallet pcs.
Standard battery protection settings (no connection C - P)
12V cut-out [V] 12V cut-in [V] 24V cut-out [V] 24V cut - in [V] 10.4 11.7 22.8 24.2
Optional battery protection settings Resistor (R2) 12V cut-out 12V cut-in 12V max. 24V cut-out 24V cut-in 24V max. [kΩ] [V] [V] Voltage [V] [V] Voltage
April 2004 CD.46.A8.02
Page Summary Contents For Danfoss BD35F Direct Current Compressor 12-24V DC Datasheet
Manual Details
| Brand | Current |
|---|---|
| Pages | 2 |
| File Size | 130.51 KB |
| Published | June 05, 2026 |
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Frequently Asked Questions
What is the maximum voltage range for this system?
The operational DC voltage range is 12V to 24V, with a maximum of 31.5V DC.
How does the system monitor and protect against overheating?
It includes various cut-outs (e.g., Thermal cut-out of electronic unit) and monitoring functions that activate when conditions are too extreme or components overheat.
What is required for minimum motor speed operation?
For optimal performance, adequate fan cooling (1.5 m/s or 3.0 m/s necessary) and stable power supply connections are crucial.
Does the electronic unit require professional installation or specific accessories?
The manual lists several optional battery protection settings and specialized connectors (e.g., for AEO function), suggesting detailed setup is required.