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8/10/2019 Unicla UPC Electric Drive Compressors Low Res
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Introduction
Unicla UPC electric drive compressors are built for heavy duty applications and specialised equipment where DC
voltage power is the preferred method of running the air-conditioning or refrigeration system.
Typical systems of this type vary from small cab vehicles, anti-idle systems in heavy machinery, small transport
refrigeration units, marine air-conditioning and refrigeration, and static installations utilising solar power
generation.
The UPC range is available in 45cc, 90cc and 120cc compressor capacity with standard voltage configuration
programmed to 24 volt. The electric drive utilises well known Rencool DRK7-24 brushless electric motor and BLDC-
220 programmable controller.
The main assembly components are constructed from high quality 6061 billet alloy to ensure precision alignment of
the compressor drive coupling.
The unit is not effected by vibration and abnormal shock forces seen on many heavy equipment applications, and is
able to withstand the rigours of high ambient and wet conditions.
Field trials under certain conditions to date have shown the mean time before failure (MTBF) is up to 100,000 hours
for the electric motor, and 20,000 hours for the compressor.
Features
Compressor - Models used in the UPC range are Unicla UC45, UC90 and UP120 which all feature the Unicla 10
cylinder swashplate design and working assembly. The compressors are configured with standard male insert o-ring
fittings (MIOR) with an additional fitting part number 42203-000160 for oil return connection (7/16” 20UNF) to the
compressor. Standard compressor speeds for each model are set at 1500, 1800 and 2000 rpm accordingly.
Electric Motor - The Rencool DRK7 motor has been developed in the Australian mining industry over many years
and is well known for high durability and efficiency. The brushless 3 phase motor utilises a unique solid state
encoder crank sensor which is programmable to suit standard or custom running speeds and conditions. IP rating is
66 with maximum protection against dust and water ingress.
Controller - The BLDC-220 motor controller has a powerful microprocessor which delivers comprehensive and
precise control functions. It has synchronous rectification and fast pulse width modulation (PWM) to deliver highefficiency running and start-up of the DRK7 motor. The controller is programmable via RS232 connection and is set
at the factory according to the specific speed requirement for each UPC model.
Other standard functions include supply voltage monitoring and voltage protection, current sensing on all 3 motor
phases and thermal protection. Fault codes are displayed via LED panel on the controller front and can be extended
remotely via the J1 harness to any location such as a dashboard facia or cabin console.
UPC ELECTRIC DRIVE COMPRESSORS
Suitable for heavy duty DC voltage applications in transport, mining and agricultural vehicles
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8/10/2019 Unicla UPC Electric Drive Compressors Low Res
http://slidepdf.com/reader/full/unicla-upc-electric-drive-compressors-low-res 2/2
Distributed by:
UPC model range test data –refrigerant R134a @ running voltage 27 VDC ± 0.2 V
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U n i c l a C a t .
N o .
S 1 4
0 2
Unicla International Limited
Unit 1109, 11/F., Manhattan Centre, 8 Kwai Cheong Road,
Kwai Chung, N.T., Hong Kong. Phone: (852) 2422 0180 Fax: (852) 2422 0680
Email: [email protected] Website: www.unicla.hk
Electric Drive Speed Controller % Voltage Motor KW Current Draw
Amps
Motor
Temp'C
Controler
Temp 'C
Compressor
output Kw
UPC45-00015 1500 27/1.83 220/14.92 77 27V 1.5 30 38 29 1.58
UPC45-00018 1800 27/1.83 220/14.92 80 27V 1.5 31 40 30 1.79
UPC45-00020 2000 27/1.83 220/14.92 100 27V 1.5 35 40 30 1.99
UPC45-00015 1500 27/1.83 150/10.17 77 27V 1.5 26 40 28 1.86
UPC45-00018 1800 27/1.83 150/10.17 80 27V 1.5 29 40 28 2.11
UPC45-00020 2000 27/1.83 150/10.17 100 27V 1.5 31 41 29 2.34
UPC90-00015 1500 27/1.83 220/14.92 77 27V 1.5 53 41 30 3.17
UPC90-00018 1800 27/1.83 220/14.92 80 27V 1.5 59 41 30 3.58UPC90-00020 2000 27/1.83 220/14.92 100 27V 1.5 63 41 30 3.98
UPC90-00015 1500 27/1.83 150/10.17 77 27V 1.5 46 41 30 3.73
UPC90-00018 1800 27/1.83 150/10.17 80 27V 1.5 55 41 29 4.22
UPC90-00020 2000 27/1.83 150/10.17 100 27V 1.5 58 40 29 4.69
UPC120-00015 1500 27/1.83 220/14.92 55 27V 2 66 50 50 4.09
UPC120-00018 1800 27/1.83 220/14.92 69 27V 2 81-84 49 49 4.64
UPC120-00020 2000 27/1.83 220/14.92 72 27V 2 86-85 50 49 5.15
UPC120-00022 2200 27/1.83 220/14.92 78 27V 2 94-99 52 53 5.67
UPC120-00015 1500 27/1.83 150/10.17 55 27V 2 67 55 57 4.82
UPC120-00018 1800 27/1.83 150/10.17 69 27V 2 82 53 56 5.46
UPC120-00020 2000 27/1.83 150/10.17 72 27V 2 85 50 53 6.07
UPC120-00022 2200 27/1.83 150/10.17 78 27V 2 88 58 60 6.67
LP/HP PSI/bar
Models available
Unicla UPC electric drive with
DRK7 motor – exploded view
Model Voltage DC Compressor CC Motor kW Speeds available
UPC45 18.2 - 29.9 46 1.5 3
UPC90 18.2 - 29.9 92 1.5 3
UPC120 18.2 - 29.9 119 2.0 4
*Note: System conditions at SH - 10K and SC - 5K
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UPC ELECTRIC DRIVE
COMPRESSORS