PPLICATION GUIDELINES CROLL COMPRESSION PRINCIPLE Scroll compressor The motor stator is rigidly attached to the shell. shaft is supported by two bearings, one in the components The rotor is shrink-fi t onto the eccentric shaft. The crankcase and the second below the motor. FRCC.PC.017.A1.02...
PPLICATION GUIDELINES CROLL COMPRESSION PRINCIPLE The scroll compression The entire scroll compression process is illustrat- moves towards the centre of the scroll set, with process ed below. The centre of the orbiting scroll traces a corresponding increase in gas pressure. Maximum circular path around the centre of the fi...
PPLICATION GUIDELINES OMPRESSOR MODEL DESIGNATION Nomenclature Type Size Motor Features Application: Other features H: high temperature Gas equali- Oil sight Oil equali- LP gauge sation port glass drain sation port None None None None None Family: HP: heat pump R407C PVE Tubing and electrical connections P: brazed connections, spade terminals C: brazed connections, screw terminals...
Superheat: 10 K Subcooling: 5 K Subject to modifi cation without prior notifi cation Conditions: 400V/3ph/50Hz (motor T4), 230V/1ph/50 Hz (motor T5) For full data details and capacity tables refer to Online Datasheet Generator : www.danfoss.com/odsg Performance table Model 2 550...
PPLICATION GUIDELINES LECTRICAL DATA CONNECTIONS AND WIRING Motor voltage Performer® Heat Pump scroll compressors are available in 2 diff erent motor voltages. Motor voltage code 4 Motor voltage code 5 Nominal voltage 50 Hz 380-400V-3-50 Hz 220-240V-1-50 Hz Voltage range 50 Hz 340 - 440 198 - 264 Prior to energizing, verify that leads and terminal...
PPLICATION GUIDELINES LECTRICAL DATA CONNECTIONS AND WIRING IP rating The compressor terminal box IP rating according to CEI 529 is IP22 for all models. IP ratings is only valid when correctly sized cable glands of the IP rating is applied. •...
PPLICATION GUIDELINES LECTRICAL DATA CONNECTIONS AND WIRING CSR wiring If start assist is required, in case of operating be- low the nominal voltage, a CSR starting device is Potential required. Relay During start-up, the start winding (C-S) is ener- Start Line Capacitor Capacitor...
PPLICATION GUIDELINES PERATING CONDITIONS The Performer® Heat Pump scroll compressors • Refrigerant and lubricants application range is infl uenced by several param- • Motor supply eters which need to be monitored for a safe and • Compressor ambient temperature reliable operation. •...
Please refer to the examples will cause serious damage to the compressor! below, which illustrate where DGT protection is required (n°1) and where it is not (n°2). A DGT accessory is available from Danfoss: refer to section "Spare parts and accessories". FRCC.PC.017.A1.02...
(loss of charge safety switch) setting listed in the table above. On/off cycling (cycle rate Danfoss recommends a restart delay timer to limit Note that the oil return may vary since it depends limit) compressor cycling. The timer prevents reverse upon system design.
PPLICATION GUIDELINES YSTEM DESIGN RECOMMENDATIONS General Successful application of scroll compressors is correct for the system, it will operate beyond the dependent on careful selection of the compres- limits given in this manual. Poor performance, re- sor for the application. If the compressor is not duced reliability, or both may result.
More detailed information can be found in the unfavourable for service life. Besides, the paragraphs hereafter. Please contact Danfoss for installation cooling capacity may be reduced any deviation from these guidelines. because of the evaporation taking place in the...
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PPLICATION GUIDELINES YSTEM DESIGN RECOMMENDATIONS Heat pumps NON- NON- INDOOR COIL BLEED BLEED Expansion device NON- OUTDOOR COIL BLEED BLEED Expansion device <3.6 kg SYSTEM CHARGE >3.6 kg <5.4 kg >5.4 kg TEST REQUIRED ACCEPTABLE SUMP SUPERHEAT TEMPERATURE ACCUMULATOR REQUIRED INDOOR COIL BLEED BLEED...
(absolute discharge pressure to absolute suction conditions. Preventing liquid fl ood Danfoss recommends the use of a thermostatic Excessive liquid refrigerant fl ood back during back expansion valve for all air conditioning and heat steady state operation is a major system design pump applications.
Because of the Danfoss’s unique design of a full- do not generate the penetrating power of lower- suction gas & oil cooled motor, compressor body frequency sound.
PPLICATION GUIDELINES NSTALLATION Each Performer® Heat Pump scroll compressor is shipped with printed Instructions for installation. System cleanliness The refrigerant compression system, regardless System contamination is one of main factors af- of the type of compressor used, will only pro- fecting equipment reliability and compressor vide high effi...
Ensure that no fl ux is allowed to enter into the tor. For specifi c applications not covered herein, tubing or compressor. Flux is acidic and can cause please contact Danfoss for further information. Vacuum evacuation and Moisture obstructs the proper functioning of both...
(water content capacity), the system refrigera- ing installations where acid formation is present tion capacity and the system refrigerant charge. the Danfoss DCL solid core fi lter driers containing Refrigerant charging It is recommended that system charging be done...
They can be ordered in any quantity. Minimum ordering quantity = 1. As far as possi- ble, Danfoss will ship the boxes on full pallets of 6 compressors according below table. • Each box also contains following accessories: •...
& PPLICATION GUIDELINES PARE PARTS ACCESSORIES Discharge temperature protection Pack Type Code No Description Application Packaging Size 7750009 Discharge thermostat kit All models Multipack 7973008 Discharge thermostat kit All models Industry pack Lubricant Pack Type Code No Description Application Packaging Size 120Z5034 PVE (0.95 liter can)
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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.