Danfoss HHP Series Application Manuallines Download Page 6

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Scroll compression principle

The motor stator is rigidly attached to the shell.
The rotor is shrink-fit onto the eccentric shaft. The

shaft is supported by two bearings, one in the
crankcase and the second below the motor.

Scroll compressor

components

FRCC.PC.017.A2.02

Application Guidelines

Summary of Contents for HHP Series

Page 1: ...Danfoss Heat Pump scroll compressors HHP Series 50Hz R407C Application guidelines http cc danfoss com...

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Page 4: ...um Operating Amp 13 Winding resistance 13 Electrical connections 13 Nominal capacitor value 14 Internal motor protection 14 Phase sequence and reverse rotation protection 14 Voltage imbalance 14 Appro...

Page 5: ...hanical vibrations 23 Gas pulsation 23 Installation 24 System cleanliness 24 Compressor handling and storage 24 Compressor mounting 24 Compressor holding charge 24 Tube brazing procedure 24 Brazing ma...

Page 6: ...is rigidly attached to the shell The rotor is shrink fit onto the eccentric shaft The shaft is supported by two bearings one in the crankcase and the second below the motor Scroll compressor componen...

Page 7: ...w The centre of the orbiting scroll traces a circular path around the centre of the fixed scroll This movement creates compression pockets between the two scroll elements Low pressure suction gas is t...

Page 8: ...pump R407C PVE Nominal capacity Model variation T motor design Motor voltage code 4 380 400V 3 50 Hz 5 220 240V 1 50 Hz Motor protection L internal motor protection Tubing and electrical connections P...

Page 9: ...3 180 1 7 3 680 1 7 4 340 1 8 5 180 1 9 6 180 1 9 7 340 2 0 8 670 2 1 10 160 2 2 11 830 2 2 60 4 660 2 3 5 300 2 4 6 110 2 4 7 070 2 5 8 200 2 6 9 480 2 7 10 930 2 8 HHP021T4 40 3 530 1 4 4 250 1 5 5...

Page 10: ...1 41 29 5 5 16 18 UNC self tapping Recommended torque for mounting bolts 11 Nm 1 Nm 11 238 8 4 x 19 0 20 0 95 25 128 5 111 3 69 4 71 4 34 31 45 14 109 7 95 25 190 25 190 50 238 8 190 25 190 75 HHP 015...

Page 11: ...que for mounting bolts 11 Nm 1 Nm 11 Ring connect screw terminals C terminal box type C T S T R T 239 190 25 190 75 95 25 133 6 121 78 5 80 5 182 54 184 54 Suction line 22 30 22 48 7 8 inch Discharge...

Page 12: ...ons the terminals are labelled C common S start and R run Prior to energizing verify that leads and terminal connectors are in proper working condition Warning For safety reasons make voltage measurem...

Page 13: ...ance is the resistance between indicated terminal pins at 25 C resistance value 7 Winding resistance is generally low and it requires adapted tools for precise measurement Use a digital ohm meter a 4...

Page 14: ...d reverse rotation protection Voltage imbalance Internal motor protection The Danfoss Heat Pump scroll compressors are equipped with an internal line break protector mounted on the motor windings The...

Page 15: ...lume CE 0062 or CE 0038 European Directive All models UL Underwriters Laboratories All models Other approvals certificates CB certificate available upon request Products Manufacturer s declaration of...

Page 16: ...rms of reliability and compressor lifetime The PVE lubricant is compatible with R22 which makes the Danfoss Heat Pump scroll compressors a very versatile multi refrigerant solution Motor supply The Da...

Page 17: ...pressor s operating range will cause serious damage to the compressor A DGT accessory is available from Danfoss refer to section Spare parts and accessories The operating envelope for Danfoss Heat Pum...

Page 18: ...loss of charge safety switch setting is given in the above table For systems without pump down the LP safety switch must either be a manual lockout device or an automatic switch wired into an electric...

Page 19: ...e maximum elevation difference between the indoor and outdoor section cannot exceed 8 m System manufacturers should specify precautions for any applications that exceed these limits to ensure compress...

Page 20: ...re specific precautions for ensuring a long compressor life and satisfactory operating characteristics Regardless of the refrigerant charge in the system specific tests for repetitive flood back are r...

Page 21: ...CHARGE TEST REQUIRED ACCEPTABLE SUMP SUPERHEAT TEMPERATURE ACCUMULATOR REQUIRED SYSTEM CHARGE TEST REQUIRED ACCEPTABLE SUMP SUPERHEAT TEMPERATURE ACCUMULATOR REQUIRED 3 6 kg 1 5 4 kg 2 3 6 kg 1 5 4 k...

Page 22: ...nagainst blocked condenser and fan failure conditions High pressure ratio Danfoss recommends the use of a thermostatic expansion valve for all air conditioning and heat pump applications A TXV has two...

Page 23: ...power dBA Without jacket Sound power dBA With jacket HHP015 70 62 70 62 HHP019 70 62 70 62 HHP021 71 63 71 63 HHP026 71 63 71 63 HHP030 72 64 72 64 HHP038 72 64 72 64 HHP045 73 65 Mechanical vibration...

Page 24: ...such as metal shavings solder and flux have a negative impact on compressor service life Many of these contaminants are small enough to pass through a mesh screen and can cause considerable damage wi...

Page 25: ...rnal parts of the system and compressor The PVE oil used in Danfoss Heat Pump scroll compressors is highly hygroscopic and will rapidly absorb moisture from the air The compressor must therefore not b...

Page 26: ...ontaining activated alumina are recommended The drier is to be oversized rather than under sized When selecting a drier always take into account its capacity water content capacity the system refriger...

Page 27: ...in quantities of full pallets only multiples of 12 Each industrial pack pallet contains following accessories 4 grommets per compressor 4 sleeves per compressor Packaging Single pack Packaging details...

Page 28: ...itor F HHP038 Multipack 10 Type Code No Description Application Packaging Pack Size 120Z0055 Belt type crankcase heater 40 W 230 V CE mark HHP015 019 021 026 Multipack 6 120Z0056 Belt type crankcase h...

Page 29: ...Type Code No Description Application Packaging Pack Size 120Z5005 Mounting kit for 1 scroll compressor including 4 grommets 4 sleeves 4 bolts 4 washers All models Single pack 1 Type Code No Descriptio...

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Page 32: ...speed technology specialists Today we operate from engineering and manufacturing facilities spread across three continents FRCC PC 017 A2 02 January 2015 Replaces FRCC PC 017 A1 02 April 2010 Copyrig...

Page 33: ...sont efficient par design R pondez aux normes agro alimentaires les plus strictes et r duisez les co ts de fonctionnement LLZ MLZ les nouveaux noms de la technologie scroll Compresseurs scroll Danfos...

Page 34: ...mpresseurs vitesse fixe tr s performants L option injection de vapeur am liore la puissance frigorifique et l efficacit de plus de 20 Faible niveau sonore Am liorez l environnement sonore gr ce au niv...

Page 35: ...s de r frig ration D H H2 H1 239 239 190 190 Dimensions 41 50 59 68 77 86 95 104 113 122 131 140 149 49 40 31 22 13 4 5 14 23 32 65 60 55 50 45 40 35 30 25 20 15 10 5 0 45 40 35 30 25 20 15 10 5 31 22...

Page 36: ...0 3 61 2 05 74 MLZ066 7 240 9 210 11 540 14 270 17 430 21 050 25 150 8 610 4 10 2 10 74 MLZ076 8 040 10 250 12 870 15 940 19 470 23 520 28 100 9 600 4 67 2 05 74 EN12900 MBP temp d vap 10 C temp de co...

Page 37: ...RIGORIFIQUE EN W TEMP RATURE DE CONDENSATION 40 C ARI MLZ Mod le 25 C 20 C 15 C 10 C 5 C 0 C 5 C 10 C Puissance frigorifique en W Puissance absorb e en kW COP W W Puissance sonore dB A 60 Hz 460 V 3 p...

Page 38: ...LLZ013 Eco 3 990 5 060 6 170 7 350 8 640 10 070 11 670 5 780 3 57 1 62 80 LLZ015 Eco 4 910 6 000 7 300 8 820 10 520 12 390 14 430 6 830 4 26 1 60 83 LLZ018 Eco 5 870 7 160 8 730 10 540 12 570 14 810 1...

Page 39: ...NDRE 2 CYLINDRES 4 CYLINDRES 8 CYLINDRES Guide de s lection et d application RECIPROCATING COMPRESSORS 50 Hz R22 R407C R134a R404A R507 MT MTZ Refrigeration and Air Conditioning Demandez nous toujours...

Page 40: ...relais de d marrage p 22 Sch mas de c blage p 23 Compresseurs triphas s p 24 Protection moteur et sch mas de c blage p 24 Compresseurs 8 cylindres p 25 Kit de d marrage 2 4 cylindres p 25 INFORMATIONS...

Page 41: ...t avec de l huile min rale Danfoss Maneurop type 160P La s rie MTZ est pour sa part destin e aux fluides frigorig nes HFC R134a R407C R404A et R507 Les compresseurs MTZ fonctionnent avec de l huile Po...

Page 42: ...esseur Code tension moteur voir ci apr s Huile polyolester Puissance moteur diviser par 12 pour convertir en CV I Code option Indice volution galisation d huile voyant visser MT Z 4 64 HM Type compres...

Page 43: ...MTZ 51 HK 85 64 14 90 2 1 8 37 S VE S VE S VE S VE MT MTZ 56 HL 96 13 16 73 2 1 8 37 S VE S VE S VE S VE S VE S VE MT MTZ 57 HL 96 13 16 73 2 1 8 39 S VE S VE S VE MT MTZ 64 HM 107 71 18 74 2 1 8 37...

Page 44: ...03 2 60 MT MTZ 36 JG 9272 3 37 5 77 2 75 7994 3 12 5 71 2 56 MT MTZ 40 JH 10475 3 85 6 47 2 72 9128 3 61 6 45 2 53 MT MTZ 44 HJ 11037 3 89 7 37 2 84 9867 3 63 6 49 2 72 MT MTZ 50 HK 12324 4 32 8 46 2...

Page 45: ...1 56 2 96 1 71 MT MTZ 28 JE 4215 1 53 3 30 2 75 3343 1 95 3 80 1 72 MT MTZ 32 JF 4951 1 87 3 94 2 65 3747 2 28 4 51 1 64 MT MTZ 36 JG 6005 2 13 4 09 2 81 4371 2 66 4 91 1 64 MT MTZ 40 JH 6398 2 33 4 8...

Page 46: ...K S H 11 1 K 70 65 60 55 50 45 40 35 30 25 30 20 15 10 5 0 5 10 15 20 Temp rature de condensation C Temp rature d vaporation C S H 30 K S H 11 1 K Plage d application pour les compresseurs MT au R22 P...

Page 47: ...es z otropes doivent toujours tre charg s en phase liquide pour garantir une composition correcte du fluide dans le syst me De plus l utilisation d vaporateurs noy s ou de bouteilles anti coup de liqu...

Page 48: ...73 16 260 3 79 60 4 340 3 01 5 630 3 39 7 190 3 74 9 080 4 04 11 310 4 29 13 940 4 48 30 3 200 1 55 4 450 1 83 5 870 2 07 7 490 2 25 9 340 2 37 11 470 2 41 13 900 2 37 16 690 2 22 19 850 1 95 MT 45 4...

Page 49: ...620 8 29 53 990 8 37 64 710 8 27 MT 144 40 8 620 5 97 11 780 6 69 15 590 7 40 20 150 8 08 25 560 8 70 31 920 9 23 39 330 9 67 47 890 9 98 57 690 10 13 50 9 640 7 13 12 940 7 98 16 910 8 82 21 650 9 6...

Page 50: ...9 12 820 2 98 15 380 3 01 50 4 410 2 47 5 740 2 78 7 280 3 06 9 040 3 31 11 050 3 51 13 310 3 65 60 5 910 3 35 7 400 3 71 9 100 4 04 11 030 4 31 35 4 340 2 06 5 880 2 27 7 740 2 45 9 940 2 59 12 530 2...

Page 51: ...58 37 470 14 77 45 780 15 86 35 19 960 8 98 26 610 9 89 34 670 10 69 44 310 11 33 55 680 11 79 68 960 12 01 84 300 11 97 MTZ 200 40 17 910 9 34 24 210 10 34 31 830 11 25 40 940 12 03 51 700 12 65 64 2...

Page 52: ...5 7 560 2 28 9 070 2 40 10 770 2 49 60 2 680 1 79 3 440 1 99 4 330 2 20 5 350 2 40 6 530 2 60 7 880 2 78 9 410 2 95 70 5 350 2 89 6 530 3 15 7 870 3 40 40 2 560 1 59 3 530 1 75 4 730 1 90 6 210 2 03 7...

Page 53: ...70 20 670 10 21 25 870 11 14 32 030 12 05 40 11 270 6 26 15 600 6 98 20 900 7 63 27 310 8 19 34 950 8 63 43 960 8 91 54 490 9 01 66 650 8 89 MTZ 200 50 9 080 6 55 12 850 7 41 17 470 8 25 23 090 9 02...

Page 54: ...80 3 08 5 490 3 42 6 900 3 74 8 540 4 04 10 430 4 30 60 1 090 2 03 1 620 2 41 2 240 2 81 3 000 3 22 3 900 3 63 4 960 4 03 6 210 4 41 7 660 4 77 30 2 570 1 86 3 390 2 12 4 450 2 36 5 810 2 59 7 490 2 7...

Page 55: ...0 350 14 83 25 450 16 14 31 450 17 40 30 11 200 7 65 15 010 8 75 19 840 9 79 25 820 10 74 33 120 11 54 41 860 12 15 52 210 12 53 64 320 12 64 78 310 12 43 MTZ 200 40 7 810 8 44 11 210 9 64 15 450 10 8...

Page 56: ...9 V06 MT MTZ 36 JG MT MTZ 40 JH 1 MT Z 28 32 36 40 1 et MT Z 32 36 5 2 MT Z 32 36 40 3 4 6 3 MT Z 18 22 1 et MT Z 18 22 28 3 4 5 6 356 1 358 2 333 3 96 263 68 15 25 80 69 225 Mod le avec code moteur 3...

Page 57: ...P 1 MT Z 2 cyl Code 1 3 4 7 9 2 MT Z 2 cyl Code 6 156 190 1 200 2 60 37 96 145 125 20 1 7 9 Trou de fixation pour la r sistance de carter PTC 415 65 266 80 1 96 2 288 69 75 15 36 1 24 2 96 1 115 2 Pri...

Page 58: ...carter PTC Voyant d huile mod le VE uniquement 30 19 H M12 Bo te bornes Indice de protection IP 54 avec presse toupe Vis 10 32 UNF x 9 5 Borne de terre M4 12 Opercule 29 mm 29 mm Bo te bornes moteurs...

Page 59: ...nne rotolock Aspiration Refoulement Aspiration Refoulement Aspiration Refoulement MT MTZ 200 HSS 1 3 4 1 5 8 1 1 8 V02 MT MTZ 250 HUU Bride 1 3 4 2 1 8 1 1 8 V12 V02 MT MTZ 288 HVVF de 1 3 4 2 1 8 1 3...

Page 60: ...es auxiliaires et principales sont contr l es de m me que la temp rature du bobinage Apr s une coupure de ce protecteur un d lai pouvant aller jusqu 2 voir 4 heures peut tre n cessaire pour obtenir so...

Page 61: ...d marrage auxiliaire R Phase principale marche 220 k 1 W 15 k 1 W 230 V A F C F B F 5 Relais de d marrage 2 1 S R A C condensateurs permanents B condensateur de d marrage C C Commun S Phase de d marr...

Page 62: ...HVV 518 230 416 128 60 102 0 27 1 19 0 37 MT MTZ 320 HWW 518 260 416 140 72 102 0 27 1 10 0 37 Note pour les moteurs triphas s les r sistances de bobinage mesur es sont la somme des deux r sistances d...

Page 63: ...eur nominale peuvent tre utilis s sur les installations existantes utilisant les compresseurs Danfoss Maneurop standard r duisent le stress m canique au d marrage et augmentent ainsi la dur e de vie d...

Page 64: ...M A B MT 22 S M A P M MT 28 R M A N M MT 32 M E C L A MT 36 Q F E B F MT 40 N F E G MT 44 E A A MT 45 A A MT 50 E A B A A MT 51 A A MT 56 C A A A MT 57 A A MT 64 D C C A MT 65 A A MT 72 A A A MT 73 A...

Page 65: ...pluie claboussant en toutes directions 5 Protection contre les jets d eau venant de toutes les directions CONDITIONNEMENT ET EMBALLAGE Emballages individuels Poids Poids Emballage Dimension Mod les n...

Page 66: ...l ordre de 6K Pour de plus amples informations sur les fluides frigorig nes z otropes vous r f rer au chapitre sp cifique p 9 Le R407C doit toujours tre charg en phase liquide Pour les applications R4...

Page 67: ...ne doivent jamais tre utilis s avec le fluide frigorig ne R404A m me si l huile min rale a t remplac e par de l huile polyolester R507 Le fluide frigorig ne R507 est un HFC aux propri t s thermodynam...

Page 68: ...z de 4 m s Dans les parties verticales la vitesse des gaz doit tre de 8 12 m s pour assurer un bon retour de l huile vers le compresseur Un pi ge en U est n cessaire au pied de chaque remont e vertica...

Page 69: ...sostat haute pression est n cessaire pour arr ter le compresseur lorsque la pression d passe les valeurs indiqu es dans le tableau ci dessous Le r glage du pressostat haute pression peut tre fait des...

Page 70: ...gorifiques sont destin s comprimer du gaz Suivant leur conception certains compresseurs peuvent accepter la pr sence d une certaine quantit de fluide frigorig ne liquide l aspiration Les compresseurs...

Page 71: ...ure de refoulement Retour du fluide frigorig ne au compresseur En r gime de fonctionnement normal et stabilis le fluide frigorig ne quitte l vaporateur en condition de surchauffe et retourne au compre...

Page 72: ...connect es lorsque le compresseur est en fonctionnement R sistance de carter PTC R sistances de ceinture compresseur contre les migrations de fluide frigorig ne pendant les p riodes d arr t La r gulat...

Page 73: ...89 0 MT 288 HVV 92 0 MT 320 HWW 92 0 niveaux de vibrations provoquant une r duction de la dur e de vie du compresseur Les tuyauteries d aspiration et de refoulement devront tre r alis es de telle sort...

Page 74: ...R MONTAGE ET RACCORDEMENTS SUR LE CIRCUIT Manutention du compresseur Les compresseurs MT MTZ Maneurop sont pourvus d une patte de levage Ce point d ancrage doit tre utilis pour toute manutention Une f...

Page 75: ...le sera tanch e en suivant les instructions indiqu es pr c demment Des gaz tels qu oxyg ne ac tyl ne sont vivement d conseill s car ils peuvent provoquer des m langes inflammables Ne jamais utiliser d...

Page 76: ...de c t basse pression doit tre au pr alable cass avant de proc der la mise sous tension de l installation Note Le R507 est un m lange az otrope et peut de ce fait tre charg aussi bien en phase liquide...

Page 77: ...isolation de la ligne d aspiration entre l vaporateur et le compresseur la temp rature de refoulement peut r v ler divers dysfonctionnements Une temp rature de refoulement trop lev e est la cons quen...

Page 78: ...69007 Lyon T l 04 37 65 28 00 Fax 04 37 65 28 69 Nantes 17 rue de la Cornouaille 44300 Nantes T l 02 51 89 16 16 Fax 02 51 89 16 17 Trappes 7 av Roger Hennequin 78190 Trappes T l 01 30 62 51 00 Fax 01...

Page 79: ...Danfoss Scroll for Refrigeration MLM MLZ 50 60Hz R404A R507 R134a R22 R407A R407F Application guidelines http cc danfoss com...

Page 80: ......

Page 81: ...t and lubricants 26 Motor supply 28 Compressor ambient temperature 28 Application envelope 28 Maximum discharge gas temperature 32 High and low pressure protection 33 On off cycling cycle rate limit 3...

Page 82: ...of the common refrigerants R404A R134a R507 R22 R407A R407F Only motor code4 code5 of MLZ are qualified with R407A R407F MLZ are only qualified with the above 6 refrigerants MLM is to be used only wit...

Page 83: ...tes compression pockets between the two scroll elements Low pressure suction gas is trapped within each crescent shaped pocket as it forms continuous motion of the orbiting scroll serves to seal the p...

Page 84: ...on L internal motor protection Tubing and electrical connections P brazed connections spade terminals C brazed connections screw terminals T rotolock connections spade terminals Q rotolock connections...

Page 85: ...02 6 89 80 95 14 09 1 57 37 2 MLZ042 5 5 5300 18089 2 74 1 95 6 66 93 09 16 20 1 57 37 2 MLZ045 6 5800 19795 2 69 2 17 7 41 98 57 17 15 1 57 37 2 MLZ048 7 6200 21160 2 91 2 13 7 27 107 48 18 70 1 57...

Page 86: ...51 1 96 6 69 162 43 28 26 2 66 45 18 R407F MLZ015 2 3300 11263 1 66 2 6 83 33 77 5 88 1 06 30 84 MLZ019 2 5 4300 14676 2 19 1 96 6 69 43 51 7 57 1 06 30 84 MLZ021 3 4500 15358 2 37 1 91 6 52 46 21 8 0...

Page 87: ...10 80 95 17 00 1 57 37 2 MLZ042 5 5 6500 22184 3 33 1 94 6 62 93 09 19 55 1 57 37 2 MLZ045 6 7100 24232 3 32 2 13 7 27 98 57 20 70 1 57 37 2 MLZ048 7 7600 25939 3 54 2 13 7 27 107 48 22 57 1 57 37 2 M...

Page 88: ...09 7 13 162 43 34 11 2 66 45 18 R407F MLZ015 2 4100 13993 1 98 2 05 7 00 33 77 7 09 1 06 30 84 MLZ019 2 5 5300 18089 2 57 2 06 7 03 43 51 9 14 1 06 30 84 MLZ021 3 5700 19454 2 81 2 01 6 86 46 21 9 70...

Page 89: ...8 19100 7 15 22900 7 23 27200 7 33 32300 7 43 38200 7 51 50 11000 8 70 13000 8 74 15400 8 80 18300 8 87 21800 8 94 25900 9 00 30800 9 04 60 Hz MLZ015T4 30 2800 1 50 3500 1 49 4300 1 49 5200 1 48 6200...

Page 90: ...36 17400 6 33 21300 6 27 25600 6 22 30500 6 25 36100 6 42 50 19100 7 68 23100 7 64 27600 7 65 32600 7 78 60Hz MLZ MLM015T4 30 3000 1 22 3800 1 25 4600 1 29 5600 1 32 6700 1 36 7900 1 40 9300 1 45 40...

Page 91: ...4 44 23500 4 45 28000 4 39 50 11600 5 26 14300 5 36 17400 5 42 21000 5 42 25000 5 34 60Hz MLZ015T4 30 3000 0 89 3700 0 90 4600 0 92 5500 0 94 6600 0 96 40 3400 1 10 4200 1 12 5100 1 14 6100 1 16 7200...

Page 92: ...200 6 87 36400 6 99 50 13400 8 48 16900 8 47 21100 8 49 25900 8 54 31500 8 62 60Hz MLZ015T4 30 2900 1 31 3700 1 32 4700 1 33 5800 1 33 7100 1 34 8600 1 35 10300 1 38 40 3200 1 64 4100 1 66 5100 1 67 6...

Page 93: ...0 7 32 38700 7 49 50 18200 9 07 22700 9 07 27800 9 11 33800 9 21 60Hz MLZ015T4 30 3100 1 40 3900 1 41 4900 1 41 6100 1 41 7500 1 42 9100 1 44 10900 1 50 40 4400 1 77 5400 1 78 6700 1 77 8100 1 78 9800...

Page 94: ...1 360 195 55 19 79 11 231 393 Schrader valve and cap Oil sight glass All dimensions in mm P T terminal box type 1 7 41 41 29 5 5 16 18 UNC self tapping Recommended torque for mounting bolts 11 Nm 1 N...

Page 95: ...90 239 118 4 x 19 1 MLZ MLM 030 038 042 045 2 MLZ MLM 048 All dimensions in mm C Q terminal box type C T1 S T2 R T3 1 7 41 41 29 5 5 16 18 UNC self tapping Recommended torque for mounting bolts 11 Nm...

Page 96: ...499 1 MLZ M058 2 MLZ M066 076 All dimensions in mm 34 31 45 73 190 232 4 x 19 125 C Q terminal box type C T1 S T2 R T3 1 7 41 41 29 5 5 16 18 UNC self tapping Recommended torque for mounting bolts 11...

Page 97: ...e connector incorporating a schrader valve Torque requirements Schrader valve core 0 6 0 2 Nm Schrader valve cover 14 5 1Nm Schrader Compressor models Brazed connection size Rotolock adaptor set adapt...

Page 98: ...be taken during installation to ensure that the compressor operates in the correct direction see Phase sequence and reverse rotation protection The drawings below show electrical terminal labelling an...

Page 99: ...5 4 5 4 7 3 7 3 MLZ MLM021T7 38 8 0 5 5 5 4 7 3 7 3 MLZ MLM026T7 38 9 0 6 0 5 4 7 3 7 3 MLZ MLM030T7 42 9 0 7 8 4 4 4 5 4 4 MLZ MLM038T7 53 11 5 9 4 4 0 3 9 4 0 MLZ MLM045T7 64 11 5 11 3 2 8 2 9 2 9 M...

Page 100: ...hod and measure under stabilised ambient temperature Winding resistance varies strongly with winding temperature If the compressor is stabilised at a different value than 25 C the measured resistance...

Page 101: ...til the overload is reset The following PTC types are recommended for the MLZ MLM single phase compressors CSR wiring Nominal capacitor value and relays Model Voltage code 1 208 230 V 1 60 Hz Voltage...

Page 102: ...wards For three phase applications the voltage measured at the compressor terminals for each phase should be within 2 of the average for all phases Phase sequence and reverse rotation protection Volta...

Page 103: ...approvals certificates Contact Danfoss Products Internal free volume at LP side without oil litre MLZ MLM 015 026 1 85 MLZ MLM 030 048 1 85 MLZ MLM 058 076 6 15 Products MLZ MLM 015 to 076 Refrigerat...

Page 104: ...aporating temperature applications but it can also be applied to medium evaporating temperature applications R404A is a mixture and has a very small temperature glide and therefore must be charged in...

Page 105: ...he composition of vapour and liquid changes during the phase transition The composition change causes phase shift and temperature glide In system components where both vapour and liquid phases are pre...

Page 106: ...lood back Minimum and maximum evaporating and condensing temperatures as per the operating envelopes MLZ MLM compressors can be applied from 35 C to 55 C ambient temperature The compressors are design...

Page 107: ...15 10 5 0 5 10 15 20 Evaporating temperature C Condensing temperature C SH 11K RGT 25 C SH 11K MLZ MLM R22 10 15 20 25 30 35 40 45 50 55 60 65 70 75 35 30 25 20 15 10 5 0 5 10 15 20 Evaporating temper...

Page 108: ...50 55 60 65 30 25 20 15 10 5 0 5 10 15 Evaporating temperature C Condensing temperature C SH 10K RGT 20 C MLZ076 R407A 5 10 15 20 25 30 35 40 45 50 55 60 65 30 25 20 15 10 5 0 5 10 15 Evaporating tem...

Page 109: ...50 55 60 65 30 25 20 15 10 5 0 5 10 15 Evaporating temperature C Condensing temperature C SH 10K RGT 20 C MLZ076 R407F 5 10 15 20 25 30 35 40 45 50 55 60 65 30 25 20 15 10 5 0 5 10 15 Evaporating tem...

Page 110: ...h an isolated thermocouple or thermostat attached to the discharge line 15 cm 6 inches from the compressor shell Maximum discharge gas temperature must not exceed 135 C 275 F when the compressor is ru...

Page 111: ...7 20 27 7 4 91 22 1 6 0 25 6 6 3 23 9 Working pressure range low side bar g 0 71 6 4 1 04 7 2 0 64 4 0 0 9 6 0 1 1 6 3 Maximum high pressure safety switch setting bar g 29 8 29 7 23 6 26 8 25 1 Minim...

Page 112: ...when stopped see fig 2 The maximum elevation difference between the indoor and outdoor section cannot exceed 8 m System manufacturers should specify precautions for any applications that exceed these...

Page 113: ...valuate the risk of off cycle migration is the following Stabilize the non running system at 5 C ambient temperature Raise the ambient temperature to 20 C and keep it for 10 minutes Start the compress...

Page 114: ...low leak check valve that is appropriate for pump down operations This valve prevents the back flow of refrigerant from the high pressure to the low pressure side through the compressor so pump down c...

Page 115: ...measuring either the oil sump temperature or the discharge gas temperature If at any time during operations the oil sump temperature drops to within 10K or less above the saturated suction temperatur...

Page 116: ...edures might not ensure satisfactory condensing and suction pressures the use of a head pressure control valve is recommended Note This solution requires extra refrigerant charge which can introduce o...

Page 117: ...using a brazed plate condenser heat exchanger a sufficient free volume for the discharge gas to accumulate is required in order to avoid excess pressure build up At least 1 meter of discharge line is...

Page 118: ...requency sound Use of sound insulation materials on the inside of unit panels is an effective means of substantially reducing the sound being transmitted to the outside Ensure that no components capab...

Page 119: ...tentially transmitted to the frame The tubing should be designed so as to both reduce the transmission of vibrations to other structures and withstand vibration without incurring any damage Tubing sho...

Page 120: ...signed for Any other substances within the system will not improve performance and in most cases will be highly detrimental to system operations The presence of non condensable substances and system c...

Page 121: ...nto the compressor Remove all remaining flux once the joint has been soldered with a wire brush or a wet cloth Remaining flux would cause corrosion of the tubing Ensure that no flux is allowed to ente...

Page 122: ...Important selection criteria include the driers water content capacity the system refrigeration capacity and the system refrigerant charge The drier must be able to reach and maintain a moisture level...

Page 123: ...grommets per compressor 4 sleeves per compressor Packaging Single pack Packaging details Danfoss pallets Optimized for overseas container loading European storage racks US pallets Optimized for overs...

Page 124: ...068 120U8046 120U8012 120U8034 120U8296 MLZ042 T C 9 120U8399 MLZ045 T C 9 120U8048 120U8014 120U8332 120U8302 MLZ048 T C 9 120U8050 120U8016 120U8338 120U8308 MLZ058 T C 9 120U8052 120U8018 120U8344...

Page 125: ...U8067 120U8045 120U8011 120U8033 120U8295 MLZ042 T C 9 120U8398 MLZ045 T C 9 120U8047 120U8013 120U8331 120U8301 MLZ048 T C 9 120U8049 120U8015 120U8337 120U8307 MLZ058 T C 9 120U8051 120U8017 120U834...

Page 126: ...LZ MLM019 021 26 60HZ Motor Code 1 MLZ MLM030 Multipack 10 60 F 120Z0050 PSC wiring Run Capacitor 60 F 60HZ Motor Code 1 MLZ MLM026 Multipack 10 55 F 8173234 PSC wiring Run Capacitor 55 F 50Hz Motor C...

Page 127: ...7968006 Rotolock valve V04 1 1 4 Rotolock 3 4 ODF Suction MLM Z015 026 Discharge MLM Z048 Industry pack 42 8168029 Rotolock valve V04 1 1 4 Rotolock 3 4 ODF Multipack 6 7968007 Rotolock valve V05 1 1...

Page 128: ...6 Acoustic hood Terminal box Manifolding service kit Code No Description Application Packaging Pack Size 120Z5083 Acoustic hood MLZ MLM015 019 021 026 Single pack 1 120Z5084 Acoustic hood MLZ MLM030...

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Page 130: ...oned us as distinct variable speed technology specialists Today we operate from engineering and manufacturing facilities spread across three continents FRCC PC 015 A8 02 Danfoss DCS CC 2016 12 Our pro...

Page 131: ...www danfoss us com Application guidelines Danfoss scroll compressors SM SY SZ R22 R407C R137a R404A R507A 50 60 Hz MAKING MODERN LIVING POSSIBLE...

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Page 133: ...tures 28 Discharge temperature protection 30 High and low pressure protection 30 Cycle rate limit 31 System design recommendations 32 General 32 Essential piping design considerations 32 Refrigerant c...

Page 134: ...g scroll in grey traces a circular path around the centre of the fixed scroll in black This movement creates symmetrical compression pockets between the two scroll elements Low pressure suction gas is...

Page 135: ...cap design Part protection and assembly reduces internal leaks and increases life durability Improved part isolation reduces greatly acoustic levels Gas intake design induces higher resistance to liqu...

Page 136: ...40 300 SZ Scroll POE lubricant R407C R134a and R404A R507A for SZ084 to SZ185 Voltage Version Evolution index C A 4 7 SZ SY A R CA 185 300 Single compressors Single compressors brazed Internal overloa...

Page 137: ...2 500 27 33 3 46 11 8 32 42 3263 285 28 348 R407C SINGLE SZ084 7 19 300 65 900 6 13 3 15 10 8 6 99 703 112 08 141 SZ090 7 5 20 400 69 600 6 45 3 16 10 8 7 35 741 112 08 143 SZ100 8 21 600 73 700 6 84...

Page 138: ...194 SM175 14 51 100 174 400 15 3 3 34 11 4 14 22 1728 210 220 SM SY185 15 55 300 188 700 16 3 3 39 11 6 15 25 1853 210 220 SY240 20 74 100 252 900 22 1 3 35 11 4 21 22 2579 272 331 SY300 25 94 500 322...

Page 139: ...13 02 3 95 A 20 B 21 97 A 9 92 B 11 35 A 5 59 B 7 02 3 91 11 18 11 18 8 66 8 66 A 6 42 B 7 05 7 29 A 6 17 B 6 38 A SM SZ 084 090 100 B SM SZ 110 120 45 30 6 41 3 89 4 holes 0 76 HM 8 bolt Lock washer...

Page 140: ...B 20 04 A SM112 B SM124 147 3 98 9 57 10 94 4 holes 0 75 60 7 09 6 06 9 06 7 5 6 81 30 9 06 8 82 9 57 4 holes 0 75 6 18 6 06 9 06 7 5 7 87 6 06 6 81 9 06 7 5 30 30 60 3 98 20 04 21 26 10 94 HM 8 bolt...

Page 141: ...les 0 76 6 8 8 66 8 66 11 18 14 08 8 23 11 18 SM 148 161 code 3 SM 148 161 code 4 30 23 27 7 09 14 79 4 54 10 65 10 47 3 92 17 33 7 36 13 03 3 89 HM 8 bolt Lock washer Flat washer Steel mounting sleev...

Page 142: ...1 9 34 7 09 4 33 10 08 10 47 Brazed version Rotolock version 12 45 7 67 6 74 13 60 4 holes 0 76 11 14 60 12 7 76 7 09 16 91 9 39 7 36 7 32 30 HM 8 bolt Lock washer Flat washer Steel mounting sleeve Ru...

Page 143: ...15 83 C 16 54 5 5 13 54 Discharge A B 1 1 8 C 1 3 8 13 11 A 27 2 2 B 67 63 2 C 28 58 A 24 33 B 24 76 C 25 71 A 18 88 1 2 B 19 31 1 2 C 20 26 1 2 Suction A B 1 5 8 C 2 1 8 8 50 7 7 3 43 3 86 6 29 90 1...

Page 144: ...equipped with a sight glass 1 1 8 18 UNF which may be used to determine the amount and condition of the oil contained within the sump Model SM SZ084 090 100 110 120 148 161 SM SZ 175 SM SZ SY185 SM 1...

Page 145: ...le 1 hole The 3 other knockouts are as follows 0 81 7 8 for a 1 2 conduit 0 65 SM SZ 084 090 100 110 112 120 124 147 148 161 Except for motor voltage code 3 SM SZ 148 161 code 3 175 185 SY185 R C vers...

Page 146: ...tly sized IP54 rated cable glands are used First numeral level of protection against contact and foreign objects 5 Dust protected Second numeral level of protection against water 4 Protection against...

Page 147: ...7 50 48 0 26 SM SZ124 267 51 45 0 27 SM SZ147 304 57 52 0 24 SM SZ148 255 64 57 0 29 SM SZ161 255 64 61 0 29 SM SZ175 380 75 70 0 19 SM SZ185 380 75 73 0 19 SY SZ240 460 109 100 0 14 SY SZ300 560 130...

Page 148: ...on is always less than the Max Oper A value The MCC is the current at which the motor protection trips under maximum load and low voltage conditions This MCC value is the maximum at which the compress...

Page 149: ...he system to build pressure But it remains mandatory for compressor protection to apply an LP safety switch The LP safety switch must never be bypassed Pressure settings for the LP and HP safety switc...

Page 150: ...M Compressor motor M Motor Protection Module MPM Thermistor chain S Safety pressure switch LPS CONTROL CIRCUIT F1 F1 KA KA KA HP LPS T1 T2 T3 KM DGT KS KS 1 2 M ThM KS KS KA KM KM LLSV 180s TH F2 Q1 L...

Page 151: ...gle throw thermostat located in the motor windings In the event of motor overheating caused by low refrigerant flow or improper motor rotation the thermostat will open Because the thermostat is an aut...

Page 152: ...or A phase sequence detector is strongly recommended Compressor models SM SZ 084 to 185 except SM112 124 147 incorporate an internal reverse vent valve which will react in the presence of reverse rota...

Page 153: ...aximum allowable voltage unbalance is 2 Voltage unbalance causes high amperage over one or several phases which in turn leads to overheating and possible motor damage Voltage unbalance is given by the...

Page 154: ...of incorporation ref Machines Directive 2006 42 EC Contact Danfoss Products SM SZ084 to SY SZ380 Declaration of conformity ref Low voltage Directive 2006 95 EC Contact Danfoss Products Internal free v...

Page 155: ...roperties comparable to R404A R507 has no ozone depletion potential ODP 0 As with R404A R507 is particularly suitable for low evaporating temperature applications but it can also be used for medium ev...

Page 156: ...nimum and maximum evaporating and condensing temperatures as per the operating envelopes SM SY SZ compressors can be applied from 31 F to 145 4 F for SM SZ084 to 185 and 127 4 F for SY SZ 240 to 380 a...

Page 157: ...Evaporating temperature F S H 54 F SUPERHEAT S H 20 F 80 90 100 110 120 130 140 150 160 0 10 20 30 40 50 60 Condensing temperature F S H 20 F Evaporating temperature F S H 54 F SUPERHEAT 80 90 100 110...

Page 158: ...ith the constant pressure lines For a given cycle the MEAN point temperatures are typically about 35 6 to 37 4 F lower than DEW point temperatures In these Selection and Application Guidelines Danfoss...

Page 159: ...ample for SZ 084 to 185 80 90 100 110 120 130 140 150 160 10 0 10 20 30 40 50 60 70 S H 54 F SUPERHEAT S H 20 F Condensing temperature F Evaporating temperature F Dew temperature conditions 80 90 100...

Page 160: ...ressor s operating range will cause serious damage to the compressor Discharge temperature protection A high pressure HP safety switch is required to shut down the compressor should the discharge pres...

Page 161: ...ected as shown in the wiring diagram section Suggested wiring diagrams logic A three minute 180 sec time out is recommended Please contact Danfoss Technical Support for any deviation from this guideli...

Page 162: ...tor outlet to prevent refrigerant from draining into the compressor during off cycles If the evaporator were situated below the compressor the suction riser must be trapped so as to prevent liquid ref...

Page 163: ...ccasional flooded starts as long as the total system charge does not exceed the maximum compressor refrigerant charge A suitable test to evaluate the risk of off cycle migration is the following Stabi...

Page 164: ...arge transfer or excessive migration to the compressor during off cycles The quantity of refrigerant on the low pressure side of the system can be further reduced by using a pump down cycle in associa...

Page 165: ...ead to lack of lubrication and high rate of oil leaving the compressor Liquid flood back test Repetitive liquid flood back testing must be carried out under expansion valve threshold operating conditi...

Page 166: ...um load and low ambient conditions as well The following considerations should be taken into account to ensure proper system operating characteristics Expansion device The expansion device should be s...

Page 167: ...remove superheat and condense the incoming discharge gas more quickly Reversible heat pump systems Transients are likely to occur in reversible heat pump systems i e a changeover cycle from cooling to...

Page 168: ...place excess strain on both the bearings and motor To prevent such occurrences it is important that a 1 meter minimum discharge line length be allowed between the compressor discharge port and the rev...

Page 169: ...mes mandatory Suction line accumulator Apart from residual moisture in the system after commissioning water could also enter the refrigeration circuit during operation Water in the system shall always...

Page 170: ...through the cooling medium i e the refrigerant The following sections will focus on the causes and methods of mitigation for each of the above sources Sound generation in a refrigeration or air condi...

Page 171: ...mal vibration during operations The use of rubber isolators on the compressor base plate or on the frame of a manifolded unit is very effective in reducing vibration being transmitted from the compres...

Page 172: ...d to rain corrosive or flammable atmosphere between 31 F and 122 F when charged with refrigerant and between 31 F and 158 F when charged with nitrogen When the compressor is mounted as part of an inst...

Page 173: ...ration system During the manufacturing process circuit contamination may be caused by Brazing and welding oxides Filings and particles from the removal of burrs in pipe work Brazing flux Moisture and...

Page 174: ...Move the torch to Area B and apply heat evenly until the brazing temperature has been reached there as well and then begin adding the brazing material Move the torch evenly around the joint in applyin...

Page 175: ...fter assembly SM SY SZ compressors are delivered with 100 ppm moisture level The required moisture level in the circuit after vacuum dehydration must be 100 ppm for systems with an SM SY SZ Never use...

Page 176: ...a complement of charge can be done in liquid phase slowly throttling liquid in on the low pressure side as far away as possible from the compressor suction connection while compressor is running The...

Page 177: ...r 2 of the total system refrigerant charge in weight can be used to roughly define the required oil top up quantity but in any case the oil charge has to be adjusted based on the oil level in the comp...

Page 178: ...12 6 22 8 143 8 45 3 37 4 29 3 1197 2 SM SZ147 15 0 12 6 22 8 150 8 45 3 37 4 29 3 1248 2 SM SZ148 161 18 5 14 6 26 4 194 6 44 9 37 4 31 1 1204 3 SM SZ175 185 SY185 18 5 15 7 27 5 234 6 44 9 37 4 34 5...

Page 179: ...4CAI SM185 7CAI SM185 9CAI Brazed Module 24 V AC SM185 3PCI SM185 4PCI SM185 7PCI Brazed Module 230 V AC SM185 4XCI SM185 9XCI Rotolock Thermostat SM185 3RI SM185 4RI SM185 7RI SM185 9RI Rotolock Mod...

Page 180: ...4SCI SZ175 7SCI SZ185 Brazed Thermostat SZ185 3CAI SZ185 4CAI SZ185 7CAI SZ185 9CAI Brazed Module 24 V AC SZ185 3PCI SZ185 4PCI SZ185 7PCI Brazed Module 230 V SZ185 4XCI SZ185 9XCI Rotolock Thermosta...

Page 181: ...onnection Industry pack 50 G08 8156133 Gasket 2 1 4 Models with 2 1 4 rotolock connection Multipack 10 G08 7956004 Gasket 2 1 4 Models with 2 1 4 rotolock connection Industry pack 50 8156013 Gasket se...

Page 182: ...ltipack 6 120Z0380 48W 230V surface sump heater bottom insulation CE UL Multipack 6 120Z0381 48W 400V surface sump heater bottom insulation CE UL Multipack 6 120Z0382 48W 460V surface sump heater bott...

Page 183: ...c hood for scroll compressor SM112 124 147 SM112 124 147 except SM147 code 3 SZ147 Single pack 1 120Z0135 Acoustic hood for scroll compressor SM147 3 SM SZ147 code 3 Single pack 1 120Z0356 Bottom insu...

Page 184: ...084 090 100 110 112 120 124 147 148 161 except SM148 3 161 3 SZ084 090 100 110 120 148 161 except SZ148 3 161 3 Multipack 10 8173230 T block connector 2 x 2 2 inch SM SZ084 110 120 148 except 3 161 ex...

Page 185: ......

Page 186: ...quality and innovative products we help your company to find the best possible energy efficient solution that respects the environment and reduces total life cycle costs We have 40 years of experience...

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