Refrigeration

Compressed Air Dryer

BURAN
SD 0010 A – SD 1650 AP
ultrapulse
A microprocessor based control device is now the
heart of the new generation of ultratroc fridge dryers.
ultrapulse

The ultratroc advanced concept for drying Advantages of the new dryer generation:
compressed air. Compressed air is fed
into the dryer and is pre-cooled in the air- • ultrapulse-controlling from SD0050AP as standard
to-air heat exchanger by the outgoing cold • Multi Functional Display
compressed air. The pre-cooled airthen • Load controlled energy consumption, reduction down to 10% of nom. energy consumption
passed through the refrigerant-to-air heat • Load controlled drain
exchanger where it is further cooled to the • Low voltage monitoring
required pressure dew point. The moisture • Display is changeable from °C to °F
in the compressed air condenses out and • Optional: dry contact for alarm signal and analogue signal 0-10V for dew point temp.
is collected and discharged automatically. • Max. operation parameter, inlet temp. 60°C, ambient temp. 50°C for the whole series
Finally, the cold discharged air is re-war- • One component refrigerant R134a, ozone depleting factor zero
med by the incoming compressed air. This • Compact and easy to install cabinets
saves energy and prevents any moisture
forming beyond the dryer in the compres-
sed air system.
The Multi Functional Display shows the
How does the ultrapulse work: following parameter:
• Topical pressure dew point
By processing parameters such as cooling • Operations mode normal / summer / autom.
temperature, pressure in the fridge circuit • Power consumption relate to the whole life time
as well as dryer specific parameters the • Alarm signal
actual operational condition of the dryer is • Alarm history
calculated by the electronic. If the measu- • Maintenance necessary
re data admit the fridge compressor will be • Operation status of the drain
shut off for a pre-calculated period. The • Operation hours
pulsating measuring of the temperature • Fridge compressor on/off
(several times per second) and the using
• Topical energy consumption
of the aluminium heat exchanger as a sto-
rage mass ensures a quick response to
load changes without tolerating dew point
peaks exceeding the set nominal pressure
Condensate seperator
dew point value. In addition the processor
controls and monitors the condensate
drain which works without loss of com-
pressed air. Air / Air heat exchanger

3°C
Refrigerant / Air heat exchanger

Air outlet approx. 28°C Refrigerant

Air inlet 35°C Insulation
To condesate drain Water droplets

Technical alterations reserved (Date 03/03)

AG Büssingstraße 1 · D-42781 Haan · Telefon ++49/21 29/569-0 · Telefax ++49/21 29/569-100

Technical data Buran SD 0010 A – SD 1650 AP
Modell Air flow Air flow Power Power Cooling air Air Weight Dimensions
supply consumption required connection mm

m3/h m3/min V/50 Hz kW m3/h BSP kg W H D

SD 0010 A 10 0,17 230 0,13 260 3/8” 21 350 375 300

SD 0015 A 15 0,25 230 0,14 260 3/8” 22 350 375 300
SD 0020 A 20 0,33 230 0,15 260 3/8” 23 350 375 300
Compact

SD 0035 A 35 0,58 230 0,16 240 1/2” 25 350 400 350

SD 0045 AP 45 0,75 230 0,25 240 1/2” 26 350 400 350
SD 0060 AP 60 1,00 230 0,27 450 3/4” 38 450 500 450
SD 0075 AP 75 1,25 230 0,33 450 3/4” 40 450 500 450
SD 0100 AP 100 1,67 230 0,35 450 3/4” 44 450 500 450
SD 0125 AP 125 2,08 230 0,46 740 1” 48 600 550 450
SD 0150 AP 150 2,50 230 0,70 740 1” 50 600 550 450
SD 0175 AP 175 2,92 230 0,74 1000 1” 52 600 550 450
SD 0210 AP 210 3,50 230 0,76 1000 1” 53 600 550 450
SD 0300 AP 300 5,00 230 0,88 1300 1 1/2” 74 600 650 600
SD 0375 AP 375 6,25 230 0,95 920 1 1/2” 85 600 650 600
SD 0450 AP 450 7,50 230 1,08 920 1 1/2” 95 600 650 600
Classic

SD 0550 AP 550 9,17 230 1,25 920 1 1/2” 99 600 650 600
SD 0650 AP 650 10,83 230 1,28 2900 2” 150 900 1230 800
SD 0750 AP 750 12,50 230 1,45 2900 2” 155 900 1230 800
SD 0850 AP 850 14,17 230 1,80 2900 2” 168 900 1230 800
SD 0950 AP 950 15,83 400 2,40 2600 2” 175 900 1230 800
SD 1150 AP 1150 19,17 400 2,56 3100 2 1/2” 176 900 1230 800
SD 1300 AP 1300 21,67 400 2,80 2600 2 1/2” 181 900 1230 800
SD 1500 AP 1500 25,00 400 2,95 2600 2 1/2” 186 900 1230 800
SD 1650 AP 1650 27,50 400 3,10 2600 2 1/2” 191 900 1230 800

Buran Compact Volume flow referred to the suction status

of the air compressor (+20°C, 1 bar), with
compressed air inlet temperature 35°C,
operating pressure 7 barg, ambient tem-
H perature 25°C, pressure dew point in
accordance with quality class 5 in accor-
dance with DIN ISO 8573-1. Permitted
W D ambient temp.: min. +2°C - max. 50°C,
Buran Classic max. operating pressure: 16 barg, higher
pressure on request. Permitted inlet
temp.: max. 60°C

W D

Working pressure 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
barg

Factor fp 0,60 0,70 0,80 0,88 0,94 1,00 1,04 1,06 1,09 1,10 1,13 1,14 1,15 1,16 1,17

Ambient temperature 25 30 35 40 45 50
°C

Factor ftu 1,00 0,97 0,94 0,87 0,75 0,50

Compressed air inlet 30 35 40 45 50 55 60

temperatur °C

Factor fte 1,28 1,00 0,90 0,82 0,58 0,48 0,38

Corrected dryer capacity =

Standard dryer capacity x f p x f tpd x f ta x f ti
Technical alterations reserved (Date 03/03)

AG Büssingstraße 1 · D-42781 Haan · Telefon ++49/21 29/569-0 · Telefax ++49/21 29/569-100