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Manage superheat

During normal operation, refrigerant enters
the compressor as a superheated vapor. Liquid
flood back occurs when a part of the refrigerant
entering the compressor is still in liquid state.

Liquid flood back can cause oil dilution and, in
extreme situations lead to liquid slugging that
can damage compression parts.

Requirement

Evaluate the risk

In steady state conditions,
• Suction superheat must remain within 5K to 30K
• Discharge superheat must be higher than 15K
• Oil superheat must be higher than 10K

In transient conditions,
• Discharge superheat must be higher than 5K
• Oil superheat must be higher than 10K

Use the tables below in relation with the system
charge and the application to quickly evaluate
the risk and potential tests to perform.

Charge limit is defined in table below:

Discharge temperature sensor must be placed
onto the discharge fitting and be insulated.

Oil temperature sensor must be placed on the
mid shell, closed to the lower shell, and be
insulated.

BELOW

cHargE

Limit

aBOVE

cHargE

Limit

Non reversible

No test or additional safeties required

Liquid flood back test

Reversible

Defrost test

Liquid flood back test

Defrost test

Models

Refrigerant charge limit

(kg)

Single

HRM032-034-038-040-042-045-047

HRP034-038-040-042-045-047

HRH029-031-032-034-036-038-039-040-047-048

3.6

HRM048-051-054-058-060/HLM068-072-075-078-081

HRP048-051-054-058-060/HLP068-072-075-078-081

HRH041-044-049-051-054-056/

HLH061-068-HLJ072-075-083

5.4

HCM094-109-120

HCP094-109-120

HCJ090 - 091-105-106-120 -121

7.2

31

FRCC.PC.012.A7.02

GENER

AL INFORM

ATION

PR

ODUC

T INFORM

ATION

INTEGR

ATION INT

O SY

STEM

ORDERING INFORM

ATION

SY

STEM DESIGN

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Содержание Danfoss Maneurop MT

Страница 1: ...Maneurop reciprocating compressors MT MTZ 50 60 Hz R22 R417A R407A C F R134a R404A R507 Application guidelines http danfoss us com...

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Страница 4: ...s 16 Electrical connections and wiring 17 Single phase electrical characteristics 17 Nominal capacitor values and relays 17 Trickle circuit 17 PSC wiring 17 CSR wiring 17 Suggested wiring diagrams 18...

Страница 5: ...sor ranges can be used with a large choice of refrigerants according their compatibility with the oil MTZ compressors can be used in new installations and also to replace Maneurop MTE compressors in e...

Страница 6: ...Motor voltage code 1 208 230V 1 60Hz 3 200 230V 3 60Hz 4 380 400 V 3 50Hz 460V 3 60Hz 5 220 240 V 1 50Hz 6 230 V 3 50Hz 7 500 V 3 50Hz 575V 3 60Hz 9 380 V 3 60Hz Oil equalisation port and sight glass...

Страница 7: ...2 61 88 MT MTZ100 HS 10 45 1306 4 132 132 MT MTZ125 HU 13 15 1643 4 132 141 MT MTZ144 HV 14 76 1845 4 132 148 MT MTZ160 HW 16 57 2071 4 132 148 Available in MT and MTZ Available in MTZ only Products M...

Страница 8: ...ature SC Subcooling Tc Condensing temperature at dew point saturated discharge temperature SH Superheat ARI capacity and power input data are 5 Asercom Association of European Refrigeration Compressor...

Страница 9: ...om certified R134a Refrigeration Air conditioning Compressor model 50 Hz EN12900 ratings To 14 F Tc 113 F SC 0 F SH 18 F 50 Hz ARI ratings To 45 F Tc 130 F SC 15 F SH 20 F 60 Hz ARI ratings To 45 F Tc...

Страница 10: ...Tc Condensing temperature at dew point saturated discharge temperature SH Superheat R407F Refrigeration Compressor model 50 Hz EN12900 ratings To 14 F Tc 113 F SC 0 F SH 18 F 50 Hz ARI ratings To 20...

Страница 11: ...0 110 100 90 S H 54F S H 20F 160 90 10 Condensing temperature F Evaporating temperature F 100 110 120 130 140 150 0 10 20 30 40 50 60 70 S H 54F S H 20F 150 80 30 Condensing temperature F Evaporating...

Страница 12: ...dings are protected against overheating by the internal motor protection the compressor discharge gas temperature could exceed the maximum allowed value of 275 F when the compressor is operated outsid...

Страница 13: ...on accumulators should not be applied in systems with zeotropic refrigerants This also applies to near azeotropic mixtures During the evaporating process and the condensing process at constant pressur...

Страница 14: ...86 2 68 0 98 3 23 8 82 2 68 6 26 5 55 4 65 4 29 0 67 17 35 33 1 54 4 84 Suction 5 59 1 5 79 2 Discharge 5 59 Threaded oil sight glass oil equalization 3 8 Suction rotolock 1 1 1 1 4 2 Discharge rotolo...

Страница 15: ...aded oil sight glass Discharge rotolock 1 1 4 Oil equalization 3 8 3 86 1 4 61 2 9 92 0 79 Suction 7 05 Discharge 6 93 0 83 6 14 6 73 8 38 2 36 5 71 8 4 92 7 40 1 7 72 2 3 78 2 91 2 68 10 43 3 23 2 3...

Страница 16: ...160 1 3 4 1 1 4 1 1 8 3 4 V02 V04 13 86 21 18 2 20 39 1 4 61 6 10 9 13 3 90 Oil equalisation 3 8 Mounting hole for PTC crankcase heater 15 15 15 9 69 8 07 155 9 69 Suction rotolock 1 3 4 Discharge rot...

Страница 17: ...starting torque kit by an additional start capacitor of 100 F parallel to the start capacitor of the CSR kit This configuration can also be used to reduce erratic starting at unfavorable conditions su...

Страница 18: ...pacitor of size A C B capacitor delivered in two parts for MT Z 56 64 1 Single phase CSR wiring without trickle circuit IOL Motor protector A C Run capacitors B Start capacitor C Common S Start windin...

Страница 19: ...1 39 5 83 1 68 MT MTZ056 130 64 105 50 72 24 12 23 11 15 0 55 2 39 0 76 3 86 1 64 MT MTZ064 137 64 124 72 29 14 25 17 5 0 57 2 39 0 76 1 64 MT MTZ072 135 80 143 100 30 17 27 18 5 0 55 1 90 0 56 1 32 M...

Страница 20: ...Q1 Fuses F1 Compressor motor M Discharge gas thermostat DGT M DGT HP 180 s TH LP CONTROL CIRCUIT F1 F1 KM KM KM KA KA A1 A2 A3 KA KA KS KS KS L1 L3 L2 Q1 T1 T3 T2 LLSV KS Wiring diagram without pump...

Страница 21: ...er hour HP LP pressure equalization is required before starting The compressor terminal boxes IP rating according to CEI 529 are shown on the outline drawings section The IP ratings are only valid whe...

Страница 22: ...slation now and in the future Safety Application envelope in relation to expected running conditions Compressor capacity and efficiency Compressor manufacturer recommendations guidelines Additional po...

Страница 23: ...low evaporating temperature applications but it can also be used for medium evaporating temperature applications R507 is an azeotropic mixture with no temperature glide For low evaporating temperature...

Страница 24: ...Refrigerant R407F is an HFC with similar thermodynamic properties to those of R404A R407F is a zeotropic refrigerant and has a temperature glide of about 6 4K For more specific information about zeot...

Страница 25: ...ontinuously leave the compressor with the discharge gas With good system piping design this oil will return to the compressor As long as the amount of oil circulating through the system is small it wi...

Страница 26: ...ufficient In installations with line runs exceeding 66 ft or with many oil traps or an oil separator additional oil may be required In installations with the risk of slow oil return such as in multipl...

Страница 27: ...y will assist the liquid refrigerant to flow back to the compressor When the compressor is started the pressure in the crankcase decreases rapidly At lower pressures the oil holds less refrigerant and...

Страница 28: ...ndenser side thus preventing against refrigerant transfer or excessive migration of refrigerant into the compressor Furthermore when using a LLSV in conjunction with a pump down cycle the quantity of...

Страница 29: ...base frame without the grommets otherwise high vibration transmission would occur and the compressor service life reduced Suction and discharge lines must have adequate flexibility in 3 planes Eventu...

Страница 30: ...uld always be used to lift the compressor Once the compressor is installed the compressor lifting lug should never be used to lift the complete installation Keep the compressor in an upright position...

Страница 31: ...se CFC or HCFC refrigerants for leak detection of HFC systems Note 1 Leak detection with refrigerant may not be allowed in some countries Check local regulations Note 2 Leak detecting additives shall...

Страница 32: ...riod energise the crankcase heater if fitted 12 hours prior to start up or turn on power for single phase compressors with trickle circuit Zeotropic and near azeotropic refrigerant mixtures such as R4...

Страница 33: ...heat values however increase the risk of unwanted liquid floodback to the compressor For very low superheat values an electronically controlled expansion valve is recommended The maximum allowable sup...

Страница 34: ...31 5 h 23 6 538 4 6 l 45 3 w 31 5 h 23 6 520 4 MT MTZ 056 064 90 4 565 547 MT MTZ 072 080 94 8 591 573 4 cylinders MT MTZ 100 l 22 4 w 15 7 h 26 4 154 4 4 l 45 3 w 31 5 h 32 3 642 4 6 l 45 3 w 31 5 h...

Страница 35: ...MT compressors in industrial pack R22 Compressor model Code no 1 3 4 5 6 7 9 208 230 1 60 200 230 3 60 460 3 60 400 3 50 230 1 50 230 3 50 575 3 60 500 3 50 380 3 60 MT018 MT18 1VI MT18 3VI MT18 4VI M...

Страница 36: ...MTZ36 4VM MTZ36 5VM MTZ36 9VM MTZ040 MTZ40 1VM MTZ40 3VM MTZ40 4VM MTZ044 MTZ44 1VM MTZ44 3VM MTZ44 4VM MTZ44 9VM MTZ050 MTZ50 1VM MTZ50 3VM MTZ50 4VM MTZ50 9VM MTZ056 MTZ56 1VM MTZ56 3VM MTZ56 4VM MT...

Страница 37: ...40 3VI MTZ40 4VI MTZ40 6VI MTZ044 MTZ44 1VI MTZ44 3VI MTZ44 4VI MTZ44 6VI MTZ44 7VI MTZ44 9VI MTZ050 MTZ50 1VI MTZ50 3VI MTZ50 4VI MTZ50 6VI MTZ50 7VI MTZ50 9VI MTZ056 MTZ56 1VI MTZ56 3VI MTZ56 4VI MT...

Страница 38: ...irective 2006 42 EC Page 19 Three phase electrical characteristics Page 26 Low pressure settings Page 7 Updated Approvals certificates Pressure equipment directive 2014 68 EU Low voltage directive 201...

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Страница 40: ...oned us as distinct variable speed technology specialists Today we operate from engineering and manufacturing facilities spread across three continents Danfoss Inverter Scrolls Danfoss Turbocor Compre...

Страница 41: ...MAKING MODERN LIVING POSSIBLE SELECTION APPLICATION GUIDELINES MPZ Refrigeration 1 cyl range Medium temperature 50 60 Hz R404A R507A...

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Страница 44: ...12 CSR wiring p 12 Suggested wiring diagrams p 13 Soft starters p 14 Voltage application range p 14 Terminal box p 14 SYSTEM DESIGN RECOMMENDATIONS p 15 Piping design p 15 Operating limits p 16 Opera...

Страница 45: ...ormance combined with extra low sound characteristics rank the MPZ series among the best compressors in their class Further its new shell housing with solder connections is designed to be as compact a...

Страница 46: ...04A R507A refrigerant Displacement cm Certi cation index Evolution index Further options 2 standard 3 oil sight glass Piping connections B brazed solder Protection type L internal line break protectio...

Страница 47: ...ls UL Underwriters Laboratories All 60 Hz models CCC China Compulsory Product Certi cation All 50 Hz models Gost certi cate for Russia All 50 Hz models Compressor model Displacement Cyl number Oil cha...

Страница 48: ...995 1419 2 9 2 11 2795 1419 2 86 2 0 5049 1837 3 4 2 75 MPZ048 4005 1896 3 5 2 11 3738 1896 3 49 2 0 6446 2515 4 4 2 56 MPZ054 4464 2154 3 9 2 07 4167 2154 3 86 1 9 7329 2906 5 0 2 52 MPZ061 5030 2522...

Страница 49: ...9 OPERATING ENVELOPE 35 40 55 50 45 60 30 65 Condensing temperature Evaporating temperature 10 5 0 5 10 15 20 25 30 15 MPZ R404A R507A RGT 20 C SH10K 35...

Страница 50: ...els 356 2 108 5 18 7 91 7 152 3 77 3 56 3 Oil sight glass optional 341 6 20 1 Discharge ODF 1 2 Suction tube ODF 3 4 Process tube ODF 3 8 Discharge ODF 1 2 348 2 20 1 56 3 108 5 346 1 Oil sight glass...

Страница 51: ...all models OUTLINE DRAWINGS Silent block Grommet compression not included around 1 mm Lock washer Flat washer Bolt H M8 x 40 23 15 31 75 234 3 190 5 87 3 x2 190 5 103 3 x2 13 4 14 8 34 3 7 2 14 8 19 1...

Страница 52: ...RICAL CONNECTIONS AND WIRING Three phase electrical characteristics Note the single phase compressor motors are internally protected by a temperature current sensing bimetallic protector which senses...

Страница 53: ...Safety lock out relay KS High pressure switch HP Low pressure switch LP Fused disconnect Q1 Fuses F1 Compressor motor M Three phase Single phase PSC wiring CSR wiring F1 Control circuit F1 KA KA KA K...

Страница 54: ...red before starting Terminal box The MPZ terminal box has 1 4 faston terminal tabs for power supply Note the C S R positions which are di erent from those in MTZ series compressors The main entry is a...

Страница 55: ...situations additional oil chargewillonlycorrectthecompressor oil level for a limited period of time and increase the amount of surplus oil in the rest of the system Only correct piping design can ensu...

Страница 56: ...lumina are recommended The drier is to be oversized rather than undersized When selecting a drier always take into account its capacity water content capacity the system refrigerating capacity and the...

Страница 57: ...rature During shut down periods liquid refrigerant can migrate to a cold compressor For such conditions a belt type crankcase heater is strongly recommended Notethatwith100 suctiongascooled motors Dan...

Страница 58: ...gerant charge will slowly migrate to the compressor because of the solubility of refrigerant in the oil If other system components are located at a higher level this process can be even faster because...

Страница 59: ...y winding through the trickle capacitor with a small current Inrefrigerationapplications theLiquid Line Solenoid Valve LLSV is highly recommended During the o cycle the LLSV isolates the liquid charge...

Страница 60: ...wise high vibration transmission will occur and the compressor service life will be reduced The base on which the compressor is mounted should be su ciently rigid and well connected to the main frame...

Страница 61: ...ocedures and using tools charging systems tubes vacuum pump etc dedicated for the refrigerant used DanfossMPZcompressorsareprovided with a lifting lug This lug should always be used to lift the compre...

Страница 62: ...refrigerants for leak detection of HFC systems Note1 Leak detection with refrigerant may not be allowed in some countries Check local regulations Note 2 Leak detecting additives shall not be used as...

Страница 63: ...owpressuresideasfarawayaspossible from the running compressor The refrigerant charge quantity must besuitableforbothwinterandsummer operation Refer also to section Protection against ooded starts and...

Страница 64: ...120F0104 120F0129 120F0058 120F0154 Sight Glass 120F0109 120F0134 120F0063 120F0159 MPZ054 Standard 120F0105 120F0130 120F0059 120F0155 Sight Glass 120F0110 120F0135 120F0064 120F0160 MPZ061 Standard...

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Страница 68: ...ommercial Compressors Thermostats Sub Assemblies Electronic Controls Sensors We are o ering a single source for one of the widest ranges of innovative refrigeration and air conditioning components and...

Страница 69: ...SELECTION APPLICATION GUIDELINES Maneurop reciprocating compressors MT MTZ 50 60 Hz R 22 R 407C R 134a R 404A R 507A MAKING MODERN LIVING POSSIBLE...

Страница 70: ...Voltage application range p 16 IP rating p 16 REFRIGERANTS AND LUBRICANTS p 17 General information p 17 SYSTEM DESIGN RECOMMENDATIONS p 19 Piping design p 19 Operating limits p 20 Operating voltage c...

Страница 71: ...e refrigerants using 160 ABM alkylbenzene as lubricant The MTZ se ries is specifically designed for use with the HFC refrigerants R 407C R 134a R 404A and R 507A using 160PZ polyes ter oil as lubrican...

Страница 72: ...standard VE version optional Models Oil sight glass Oil equalization connection Oil sight glass Oil equalization connection MT MTZ018 040 1 cyl threaded 3 8 flare MT MTZ044 081 2 cyl threaded 3 8 fla...

Страница 73: ...5 581 2 61 77 MT MTZ045 HJ 4 65 581 2 61 77 MT MTZ050 HK 5 23 653 2 61 77 MT MTZ051 HK 5 23 653 2 61 77 MT MTZ056 HL 5 87 733 2 61 82 MT MTZ057 HL 5 87 733 2 61 82 MT MTZ064 HM 6 57 822 2 61 82 MT MTZ...

Страница 74: ...del 50 Hz EN12900 ratings To 14 F Tc 113 F SC 0 F SH 18 F 50 Hz ARI ratings To 45 F Tc 130 F SC 15 F SH 20 F 60 Hz ARI ratings To 45 F Tc 130 F SC 15 F SH 20 F Cooling capacity BTU h Power input kW Cu...

Страница 75: ...12900 ratings To 41 F Tc 122 F SC 0 F SH 18 F 50 Hz ARI ratings To 45 F Tc 130 F SC 15 F SH 20 F 60 Hz ARI ratings To 45 F Tc 130 F SC 15 F SH 20 F Cooling capacity BTU h Power input kW Current input...

Страница 76: ...0 110 120 130 140 150 0 10 20 30 40 50 60 70 S H 54F S H 20F 170 90 0 Condensing temperature F Evaporating temperature F 10 20 30 40 50 60 70 S H 54F S H 20F 160 150 140 130 120 110 100 150 80 30 Cond...

Страница 77: ...suction accumulators should not be applied in systems with zeotropic refrigerants This also applies to near azeotropic mixtures During the evaporating process and the condensing process at constant pr...

Страница 78: ...de 3 4 6 7 9 with rounded off top LP gauge port schrader Mounting hole for PTC crankcase heater 55 10 1 cylinder OUTLINE DRAWINGS 1 MTZ 18 22 3 4 5 6 7 9 28 3 4 5 6 7 9 2 MTZ 22 1 28 1 32 36 40 Rotolo...

Страница 79: ...bolt H M8 40 0 87 0 59 11 OUTLINE DRAWINGS 2 cylinders Silent block Terminal box for model 1 1 MTZ 44 1 all code 3 except 80 3 81 3 all code 4 7 9 2 MTZ 50 1 56 1 64 1 80 3 81 3 all code 6 Rotolock c...

Страница 80: ...e port schrader Oil sight glass Mounting hole for PTC crankcase heater Oil equalization VE models only 1 2 0 75 bolt H M12 50 12 OUTLINE DRAWINGS Silent block Terminal box 1 MTZ 100 125 2 MTZ 144 160...

Страница 81: ...ts 2 Start capacitors 330 Volts Trickle circuit PSC wiring CSR wiring The trickle circuit provides for heating the compressor crankcase by feeding a small current to the auxiliary winding and the run...

Страница 82: ...n S Start winding auxiliary R Run winding main Capacitors A and C are replaced by a single capacitor of size A C Single phase CSR wiring without trickle circuit IOL Motor protector A C Run capacitors...

Страница 83: ...1 90 0 56 1 30 MT MTZ081 140 80 36 19 0 48 1 90 MT MTZ100 157 90 126 62 110 43 22 35 17 26 0 50 1 85 0 67 3 10 1 26 MT MTZ 125 210 105 170 75 150 54 27 43 22 30 0 38 1 57 0 43 2 51 0 84 MT MTZ 144 259...

Страница 84: ...current of Maneurop 3 phase compressors can be reduced by using a soft starter Two different versions are available CI tronicTM soft starters type MCI recommended and soft start kits with statoric res...

Страница 85: ...compressor combinations for Maneurop MT MTZ compressors The Montreal protocol states that CFC refrigerants such as R 12 and R 502 may nolongerbeappliedinnewinstallations in the signatory members count...

Страница 86: ...ompressor with 160PZ polyolester oil which is supplied with the MTZ compressor Maneurop MT compressors should ne ver be used with R 404A even if the mi neral oil replaced by polyolester oil Refrigeran...

Страница 87: ...eriod of time and increase the amount of sur plus oil in the rest of the system Only correct piping design can ensure a good oil balance in the system Horizontal suction line sections shall have a slo...

Страница 88: ...condenser installations an oil separator is recommended Also refer to page 29 For new installations with MTZ com pressors Danfoss recommends using the Danfoss DML 100 molecular sieve solid core filte...

Страница 89: ...apacity Locating condensor indoors Liquid flooding of condensers note this solution requires extra refrigerant charge which can introduce other problems A non return valve in the discharge line is req...

Страница 90: ...rapidly At lower pressures the oil holds less re frigerant and as a result part of the refri gerant will violently evaporate from the oil causing the oil to foam This process is often called boiling T...

Страница 91: ...ase heater is not able to maintain the oil temperature 18o F above the saturated LP temperature of the refrigerant during off cycles or if re peated floodback is occuring a pump down cycle using an LL...

Страница 92: ...8 MTZ072 79 72 82 75 MTZ073 79 72 82 75 MTZ080 79 73 84 78 MTZ081 79 73 84 78 MTZ100 85 79 87 81 MTZ125 84 78 86 80 MTZ144 83 77 86 80 MTZ160 83 77 86 80 Running compressors cause sound and vibration...

Страница 93: ...occur and the compressor service life will be reduced Suction and discharge lines must have adequate flexibility in 3 planes Vibra tion absorbers may be required Care must be taken to avoid tubing ha...

Страница 94: ...ions below regarding brazing mounting leak detection pressure test and moisture removal All installation and service work must be done only by qualified personnel using correct procedures and using to...

Страница 95: ...removal must be performed to the rack as if it were a complete system see below The rack must be charged with nitrogen or CO2 and open tubes must be blocked with caps or plugs It is recommended that...

Страница 96: ...ly increases the system is not leak tight Leak detection must be repeated and the vacuum pull down procedureshouldberestartedfromstep 1 When the pressure slowly increases this indicates the presence o...

Страница 97: ...return in the installation is insufficient Refer also to section Piping design In installations where slow oil return is likely such as in multiple evaporator or multiple condenser installations an oi...

Страница 98: ...54 W 240 V UL MT MTZ018 040 Multipack 4 7773013 Belt type crankcase heater 54 W 400 V UL MT MTZ018 040 Multipack 4 7773111 Belt type crankcase heater 54 W 460 V UL MT MTZ018 040 Multipack 4 7773109 Be...

Страница 99: ...pack 4 CSR 7701154 CSR starting kit 25 F 25 F 140 F MT MTZ028 code 1 Multipack 4 CSR 7701155 CSR starting kit 25 F 20 F 98 F MT MTZ032 036 code 1 Multipack 4 CSR 7701156 CSR starting kit 35 F 20 F 98...

Страница 100: ...MT56 9VM MT057 S MT57 4M VE MT57 3VM MT57 4VM MT064 S MT64 3M MT64 4M MT64 9M VE MT64 1VM MT64 3VM MT64 4VM MT64 6VM MT64 9VM MT065 S MT65 3M MT65 4M VE MT65 3VM MT65 4VM MT072 S MT72 3M MT72 4M MT72...

Страница 101: ...Z50 9M VE MTZ50 1VM MTZ50 3VM MTZ50 4VM MTZ50 5VM MTZ50 6VM MTZ50 7VM MTZ50 9VM MTZ051 S MTZ51 4M VE MTZ51 3VM MTZ51 4VM MTZ056 S MTZ56 3M MTZ56 4M MTZ56 7M MTZ56 9M VE MTZ56 1VM MTZ56 3VM MTZ56 4VM M...

Страница 102: ...MTZ057 065 86 560 734 MT MTZ072 080 88 567 754 MT MTZ073 081 90 578 765 4 cylinders MT MTZ100 l 19 1 w 15 6 h 23 6 132 6 l 47 2 w 39 4 h 28 7 877 4 6 l 47 2 w 31 5 h 25 6 855 4 MT MTZ125 141 912 891 M...

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Страница 104: ...air conditioning and climate solutions We focus on our core business of making quality products components and systems that enhance performance and reduce total life cycle costs the key to major savin...

Страница 105: ...Maneurop reciprocating compressors NTZ R404A R507 60 Hz Application guidelines http danfoss us com...

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Страница 107: ...ection and suggested wiring diagram 12 Wiring diagram with pump down cycle 12 Wiring diagram without pump down cycle 13 IP rating 13 Motor protection 13 Voltage unbalance 13 Approval and certification...

Страница 108: ...ess 22 Compressor handling mounting and connection 22 Compressor connection to the system 23 System pressure test 23 Leak detection 24 Vacuum pump down and dehydration procedure 24 Start up 24 Refrige...

Страница 109: ...from 49 F up to 14 F The compressors can be operated at a return gas temperature suction gas temperature of 68 F even at low evaporating temperatures A liquid injection system is not required All comp...

Страница 110: ...L Internal Motor Protection Compressor model Swept volume in3 rev Displacement Nominal ratings Number of cylinders Oil charge oz Net weight lbs 50 Hz 2900 rpm ft3 hr 60 Hz 3500 rpm ft3 hr 50 Hz 60 Hz...

Страница 111: ...4 65 35 33 2 68 Suction 5 78 Discharge 5 59 6 28 0 67 17 4 84 1 54 Threaded oil sight glass All dimensions in inch 141 8 8 2 68 HM8 40 0 91 0 59 Silent block IP rating 55 with cable gland Spade connec...

Страница 112: ...Suction rotolock 1 3 4 Discharge rotolock 1 1 4 Oil equalisation 3 8 1 NTZ096 108 136 except NTZ136 1 2 NTZ136 1 HM8 40 0 91 0 59 Silent block IP rating 55 with cable gland Spade connectors 1 4 AMP AW...

Страница 113: ...inch 15 15 15 9 68 8 07 155 9 68 Suction rotolock 1 3 4 Discharge rotolock 1 1 4 9 2 8 27 4 9 8 23 3 86 3 74 Threaded oil sight glass Schrader 1 4 1 18 0 75 HM12 50 Silent block IP rating 54 with cab...

Страница 114: ...F 50 Hz NTZ048 20 10 100 RVA6AMKL NTZ068 20 10 100 60 Hz NTZ048 15 10 100 NTZ068 25 25 135 NTZ096 30 15 135 NTZ108 30 15 135 NTZ136 30 15 135 The trickle circuit provides the facility of heating the c...

Страница 115: ...Run winding main Single phase CSR wiring with trickle circuit IOL Motor protector A C Run capacitors B Start capacitor C Common S Start winding auxiliary R Run winding main IOL Motor protector A C Ru...

Страница 116: ...mp down control L P switch BP H P switch HP Fused disconnect Q1 Fuses F1 Compressor motor M Discharge gas thermostat DGT M DGT HP 180 s TH LP CONTROL CIRCUIT F1 F1 KM KM KM KA KA A1 A2 A3 KA KA KS KS...

Страница 117: ...gs This internal overload line break protects the motor against overheating current overload and locked rotor conditions If the motor were to be overloaded and the protector trips all 3 phases are cut...

Страница 118: ...PED I II Evaluation module out of the scope D1 Maximum Minimum allowable temperature TS 122 F Ts 31 F 122 F Ts 31 F Maximum allowable pressure PS 328 psig 328 psig Products NTZ 048 to 271 Declaration...

Страница 119: ...of these refrigerants with NTZ compressors Note that R404A has a small temperature glide It must therefore be charged in the liquid phase For most other aspects however this small glide may be neglect...

Страница 120: ...high pressure HP safety switch is required to shut down the compressor should the discharge pressure exceed the values shown in the table below This switch can be set at lower values depending on the...

Страница 121: ...equired to lubricate moving parts in the compressor During normal system operation small oil quantities will continuously leave the compressor with the discharge gas Therefore the system piping shall...

Страница 122: ...rature operation At low ambient temperatures the condensing temperature and condensing pressure in air cooled condensors will decrease This low pressure may be insufficient to supply enough liquid ref...

Страница 123: ...ith high system refrigerant charge and large amounts of floodback liquid slugging could occur During system standstill and after pressure equalisation refrigerant will condensate in the coldest part o...

Страница 124: ...ater protects against the off cycle migration of refrigerant and proves effective if oil temperature is maintained 18 F above the saturated LP temperature of the refrigerant Tests must thereby be cond...

Страница 125: ...mufflers to reduce pulsation To further reduce vibration an extra discharge line muffler can be installed Compressors in operation are one of the sources of sound and vibration in a refrigeration syst...

Страница 126: ...gs and particles from removing burrs from pipe work Brazing flux Moisture and air Only use clean and dehydrated refrigeration grade copper tubes and silver alloy brazing material Clean all parts befor...

Страница 127: ...to the pipework before the compressor is mounted when all brazing is finished and when the total system is ready the compressor plugs can be removed and the compressor can be mounted to the system wi...

Страница 128: ...ing which time the system pressure should not rise When the pressure rapidly increases the system is not leak tight Bring the system pressure up to atmospheric pressure with dry nitrogen or another su...

Страница 129: ...between evaporator and compressor should be checked and eventually replaced by a higher quality insulation A too high discharge gas temperature can indicate a malfunctioning condenser too high suctio...

Страница 130: ...08 120F0089 NTZ068 120F0034 120F0009 120F0090 NTZ096 120F0035 120F0010 NTZ108 120F0036 120F0011 NTZ136 120F0037 120F0012 NTZ215 120F0038 120F0013 NTZ271 120F0039 120F0014 Compressor model Single pack...

Страница 131: ...05 Rotolock valve V09 1 1 4 Rotolock 5 8 ODF Industry pack 50 V02 8168028 Rotolock valve V02 1 3 4 Rotolock 1 1 8 ODF Models with 1 3 4 rotolock connection Multipack 6 V02 7968009 Rotolock valve V02 1...

Страница 132: ...3 4 Rotolock 7 8 ODF Models with 1 3 4 rotolock connection Multipack 10 P02 8153004 Solder sleeve P02 1 3 4 Rotolock 1 1 8 ODF Models with 1 3 4 rotolock connection Multipack 10 P10 8153003 Solder sle...

Страница 133: ...01042 Relay Capacitors run 30 15 F start 140 F NTZ096 1 108 1 136 1 Multipack 6 Type Code n Description Application Packaging Pack size 7701028 Relay Capacitors run 20 10 F start 98 F NTZ 048 5 068 5...

Страница 134: ...r 4 cyl NTZ215 271 Single pack 1 Type Code n Description Application Packaging Pack size 8156001 Accessory bag with Mounting kit 1 2 cyl NTZ048 136 Single pack 1 8156007 Accessory bag with Mounting ki...

Страница 135: ...30 Accessories Page 6 Updated NTZ068 Nominal ratings in Technical specifications and nominal ratings Page 10 Updated Nominal voltage Voltage application range for Motor voltage code 5 Added Trickle c...

Страница 136: ...oned us as distinct variable speed technology specialists Today we operate from engineering and manufacturing facilities spread across three continents Danfoss Inverter Scrolls Danfoss Turbocor Compre...

Страница 137: ...Danfoss scrolls H Series Residential and light commercial 50 60 Hz R22 R407C R410A Application guidelines http cc danfoss com...

Страница 138: ......

Страница 139: ......

Страница 140: ...Motor protection 20 Phase sequence and reverse rotation protection 20 Electrical connections 21 Nominal capacitor value and relays 21 Approvals and certifications 22 Approvals and certificates 22 Pres...

Страница 141: ...sure test and leak detection 40 Vacuum evacuation and moisture removal 41 Refrigerant charging 41 Dielectric strength and insulation resistance tests 41 Commissioning 42 Preliminary check 42 Initial s...

Страница 142: ...instructions are highlighted with the following icons This icon indicates instructions to avoid safety risk This icon indicates instructions to avoid reliability risk You are strongly advise to follo...

Страница 143: ...y efficient product with the highest reliability obtainable and a low sound level The H series compressors can be black or blue depending on the production site Features Shell Eccentric shaft Stator R...

Страница 144: ...tions P brazed connections spade terminals C brazed connections screw terminals Other features Oil sight glass Oil equali sation Oil drain LP gauge port Gas equa li sation port None 6 None None None B...

Страница 145: ...1 06 32 HRM034T4 2 8 9960 34 010 2 98 9 5 3 34 11 4 46 2 9 69 1 06 32 HRM038U4 3 2 11 130 37 980 3 39 10 0 3 28 11 2 51 6 10 84 1 06 32 HRM040U4 3 3 11 720 39 980 3 57 10 0 3 28 11 2 54 4 11 43 1 06 3...

Страница 146: ...69 1 06 32 HRP038T4 3 2 10 670 36 410 3 36 10 0 3 18 10 8 46 2 10 84 1 06 32 HRP040T4 3 3 10 990 37 510 3 70 10 0 2 97 10 1 54 4 11 43 1 06 32 HRP042T4 3 5 11 560 39 460 3 93 11 0 2 94 10 0 57 2 12 0...

Страница 147: ...6 6 43 1 06 32 HRH034U4 2 8 10 110 34 510 3 38 10 0 2 99 10 2 33 3 6 94 1 06 32 HRH036U4 3 10 370 35 390 3 47 10 0 2 99 10 2 34 7 7 3 1 06 32 HRH038U4 3 2 11 100 37 890 3 79 12 0 2 93 10 36 5 7 67 1 0...

Страница 148: ...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 1 HRM032 034 038 040 042 HRP034 038 040 042 HRH029 031 032 034 036 038 2 HRM 045 047 HRP 045 047...

Страница 149: ...1 402 7 225 2 261 10 9 19 435 9 34 31 45 14 4 x 19 0 20 0 239 190 25 190 75 118 3 95 25 1 HRM048 051 054 058 060 HLM068 072 075 HRP048 051 054 058 060 HLP068 072 075 HRH041 044 049 051 054 056 HLH061...

Страница 150: ...ing bolts 11 Nm 1 Nm 11 231 9 190 25 190 75 95 25 122 9 183 14 185 14 92 0 94 0 1 490 1 2 499 5 286 4 7 2 350 2 1 516 8 2 526 2 1 HCM HCP 094 2 HCM HCP 109 120 All dimensions in mm Suction line 28 65...

Страница 151: ...94 0 125 1 4 x 19 0 20 0 183 14 185 14 Discharge line 22 31 22 48 0 878 0 885 Suction line 28 65 28 83 1 128 1 135 45 34 31 14 190 25 190 75 190 25 190 75 19 Ring connect screw terminals C terminal bo...

Страница 152: ...e 22 31 22 48 HCJ091 106 121 All dimensions in mm Mounting grommet Refer to section 44 for overview of shipped mounting accessories Terminal box Ring connect screw terminals C terminal box type C T S...

Страница 153: ...section 44 for overview of shipped mounting accessories Terminal box Ring connect screw terminals C terminal box type C T S T R T 1 7 41 41 29 5 5 16 18 UNC self tapping Recommended torque for mounti...

Страница 154: ...072 636 476 297 8556080 TLJ166 HLJ083 HLJ083 636 476 297 8556080 TCJ180 HCJ090 HCJ090 676 558 312 8556081 TCJ181 HCJ091 HCJ091 676 575 312 8556153 TCJ210 HCJ105 HCJ105 676 558 312 8556081 TCJ211 HCJ10...

Страница 155: ...e motor damage Voltage imbalance is given by the formula The terminal cover and gasket should be installed prior to operation of the compressor The terminal cover has two outside tabs 180 degrees apar...

Страница 156: ...e a digital ohm meter a 4 wires method and measure under stabilised ambient temperature Winding resistance varies strongly with winding temperature If the compressor is stabilised at a different value...

Страница 157: ...8 F 3ARR3 25AS RVA 4GKL R407C HRP025 034 038 040 042 70 F 145 175 F 3ARR3 3AL RVA 9CKL HRP045 047 60 F 145 175 F 3ARR3 3AL RVA 9CKL HRP051 50 F 161 193 F 3ARR3 24AP RVA 3EKL HRP054 55 F 161 193 F 3ARR...

Страница 158: ...Internal free volume at LP side without oil litre Internal free volume at HP side without oil litre HRM P032 034 038 040 042 HRH029 031 032 034 036 038 2 93 0 49 HRM P045 047 HRH040 3 20 0 70 HRM P04...

Страница 159: ...he figures below 3 Piping should be designed with adequate three dimensional flexibility to avoid excess vibration It should not be in contact with the surrounding structure unless a proper tubing mou...

Страница 160: ...ng drawing must be respected diameters minimum straight lengths R R Tandem model Comp 1 Comp 2 Connection Sizes Oil equalization in Gas equalization in Kit tandem Code No Outline drawing number Suctio...

Страница 161: ...ct between the flat washer and the steel mounting sleeve is established The required bolt size for the H series compressors is M8 40mm This bolt must be tightened to a torque of 11 Nm 1 7 41 41 29 5 5...

Страница 162: ...1 054 67 5 70 5 120Z5044 HLH061 70 5 73 5 120Z5044 HLH068 HLJ083 71 5 74 5 120Z5044 HCJ090 105 120 72 5 75 5 120Z5045 HCJ091 106 121 73 5 76 5 120Z5045 Attenuation given with acoustic hood only Materi...

Страница 163: ...mpen any residual vibration potentially 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 i...

Страница 164: ...within 5K to 30K range R22 R407C Model variation T 20 25 30 35 40 45 50 55 60 65 70 30 25 20 15 10 5 0 5 10 15 Evaporating temperature C Condensing temperature C SH 11K R410A Model variation T 20 25 3...

Страница 165: ...auto restart to maximum 5 times within 12 hours HP safety switch must be manual reset Depending on application operating envelope you must define HP and LP limits within operating envelope and pressu...

Страница 166: ...ia and solutions Test N Purpose Test condition Pass criteria Solutions 1 Check the compressor operation in the continuous running area Start test at minimum foreseeable evaporating temperature minimum...

Страница 167: ...he risk and potential tests to perform Charge limit is defined in table below Discharge temperature sensor must be placed onto the discharge fitting and be insulated Oil temperature sensor must be pla...

Страница 168: ...c expansion valve EXV check measurement chain and PID 2 Add a suction accumulator Defrost test Check liquid floodback during defrost cycle Defrost test must be carried out in the most unfavorable cond...

Страница 169: ...in section Manage superheat Use the table below in relation with the system charge refer to charge limit table in section Manage superheat and the application to quickly define necessary safeties to...

Страница 170: ...e compressors are off Crank case heater accessories are available from Danfoss see section Accessories Provide separate electrical supply for the heaters so that they remain energized even when the ma...

Страница 171: ...e g seasonal shutdown The wiring diagrams below are examples for a safe and reliable compressor wiring Wiring information Control device TH Optional short cycle timer 3 min 180 s Control relay KA Liqu...

Страница 172: ...guarantee these 2 requirements a three minute 180 sec time out is recommended In some cases oil management can be enhanced by control logic If oil return test failed a function can be integrated in c...

Страница 173: ...S t o p a l l c o m p r e s s o r s 4 W a y V a l v e 4 W V s t a y s i n h e a t i n g m o d e E X V o p e n e d t o t r a n s f e r l i q u i d f r o m o u t d o o r t o i n d o o r e x c h a n g e...

Страница 174: ...e time of commissioning system moisture content may be up to 100 ppm During operation the filter drier must reduce this to a level between 20 and 50 ppm To achieve this requirement a properly sized an...

Страница 175: ...these rings when lifting the compressor Use lifting equipment rated and certified for the weight of the compressor or compressor assembly A spreader bar rated for the weight of the compressor is high...

Страница 176: ...use double tipped torch using acetylene to ensure a uniform heating of connection For discharge connections brazing time should be less than 2 minutes to avoid NRVI damages if any To enhance the resi...

Страница 177: ...compressor suction connection Never bypass safety low pressure switch For more detailed information see Recommended refrigerant system charging practice FRCC EN 050 The tests are performed on each co...

Страница 178: ...the compressor can be started This operation must be repeated for each compressor individually The system must be monitored after initial startup for a minimum of 60 minutes to ensure proper operating...

Страница 179: ...nfoss recommends that compressors and compressor oil should be recycled by a suitable company at its site 43 FRCC PC 012 A7 02 GENERAL INFORMATION PRODUCT INFORMATION SYSTEM DESIGN ORDERING INFORMATIO...

Страница 180: ...ns following accessories 4 grommets per compressor 4 sleeves per compressor Packaging Single pack Packaging details According to delivery region packaging dimensions and compressor quantities are diff...

Страница 181: ...P 6 120U1506 120U1866 120U1686 120U2252 120U1801 HRM054 U C 6 120U1516 U P 6 120U1511 120U1871 120U1696 120U2257 120U1811 T P 6 120U2292 HRM058 T C 6 120U1526 T P 6 120U1521 120U2112 U C 6 120U1536 U...

Страница 182: ...8 120U1868 120U1693 120U2254 120U1808 HRM058 T C 6 120U1523 T P 6 120U1518 120U2109 U C 6 120U1533 U C 8 120U1716 U P 6 120U1528 120U1873 120U1708 120U1598 120U1818 HRM060 T C 6 120U2239 T P 6 120U153...

Страница 183: ...20U1701 120U1596 120U1816 HRP060 T C 8 120U1731 T P 6 120U2297 120U1726 120U1606 120U1826 HLP068 T C 6 120U2014 T P 6 120U1561 120U1621 HLP072 T C 6 120U1756 T C 8 120U2072 T P 6 120U1571 120U1631 HLP...

Страница 184: ...U1698 120U1593 120U1813 HRP060 T C 8 120U1728 T P 6 120U2297 120U1723 120U1603 120U1823 HLP068 T C 6 120U2011 T P 6 120U1558 120U1618 HLP072 T C 6 120U1753 T C 8 120U2074 T P 6 120U1568 120U1628 HLP07...

Страница 185: ...6 120U1306 120U1476 120U1381 120U1336 120U1431 HLH061 T C 6 120U2062 120U2052 120U2057 120U2450 T P 6 120U2042 120U2047 T C 8 120U2494 120U2486 120U2490 T C T 121L3169 121L3167 HLH068 T C 6 120U1481...

Страница 186: ...120U1303 120U1473 120U1378 120U1333 120U1428 HLH061 T P 6 120U2039 120U2044 T C 6 120U2059 120U2049 120U2054 120U2447 T C 8 120U2491 120U2483 120U2487 T C T 121L3168 121L3166 HLH068 T C 6 120U1478 120...

Страница 187: ...121L1756 HLP081 T 4 C 6 121L1778 121L1781 HCP094 T 4 C 6 121L0598 121L0601 HCP109 T 4 C 6 121L0373 121L0376 HCP120 T 4 C 6 121L0398 121L0401 R410A HRH047 U 4 P 6 121L2848 121L2851 HRH049 U 4 P 6 121L1...

Страница 188: ...9 CSR wiring Start Capacitor 145 175 F motor voltage code 5 220 240V 1 50Hz HRM P032 034 038 040 042 045 047 HRH029 031 032 036 038 040 Multipack 10 161 193 F 120Z0400 CSR wiring Start Capacitor 161 1...

Страница 189: ...400 V CE mark Multipack 6 120Z0057 Belt type crankcase heater 50 W 230 V CE mark HRM048 051 054 058 060 HLM068 072 075 HRP048 051 054 058 060 HLP068 072 075 HRH041 049 051 054 056 HLH061 068 HLJ072 HL...

Страница 190: ...ng Pack Size 118U0056 IP54 upgrade kit for round terminal box HRM HLM HCM HRP HLP HCP HRH HLH HLJ Multipack 6 118U0057 IP54 upgrade kit for square terminal box HRM HLM HCM HRP HLP HCP HRH HLH HLJ HCJ...

Страница 191: ...fications Page 23 25 Added Design piping Design compressor mounting Page 26 Added Manage sound and vibratio Page 28 30 Added Manage operating envelope Page 31 32 Added Manage superheat Page 33 34 Adde...

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Страница 193: ......

Страница 194: ...ned us as distinct variable speed technology specialists Today we operate from engineering and manufacturing facilities spanning across three continents FRCC PC 012 A7 02 Danfoss DCS CC 2016 04 Our pr...

Страница 195: ...http cc danfoss com Application guidelines Danfoss Scroll for Refrigeration MLM MLZ 50 60 Hz R404A R507 R134a R22 MAKING MODERN LIVING POSSIBLE...

Страница 196: ......

Страница 197: ...ow pressure protection 26 On off cycling cycle rate limit 26 System design recommendations 27 General 27 Essential piping design considerations 27 Refrigerant charge limit 28 Off cycle migration 28 Li...

Страница 198: ...compressors are engineered for refrigeration and offer cooling capacity from 3 4 to 21 kW 2 to 10 HP at common voltages and frequencies as well as any of the common refri gerants R404A R134a R507 R22...

Страница 199: ...ntre of the fixed scroll This movement creates compression pockets between the two scroll elements Low pressure suction gas is trapped within each crescent shaped pocket as it forms continuous motion...

Страница 200: ...ernal motor protection Tubing and electrical connections P brazed connections spade terminals C brazed connections screw terminals T rotolock connections spade terminals Q rotolock connections screws...

Страница 201: ...00 1 93 2 09 7 13 68 8 12 0 1 6 41 MLZ038 5 4700 16000 2 34 2 02 6 89 81 0 14 1 1 6 41 MLZ042 5 5 5300 18100 2 74 1 95 6 66 93 1 16 2 1 6 41 MLZ045 6 5900 20100 2 69 2 17 7 41 98 6 17 2 1 6 41 MLZ048...

Страница 202: ...5 2 11 7 20 68 8 14 4 1 6 41 MLZ038 5 5800 19800 2 8 2 09 7 13 81 0 17 0 1 6 41 MLZ042 5 5 6500 22200 3 33 1 95 6 66 93 1 19 5 1 6 41 MLZ045 6 7100 24200 3 32 2 14 7 30 98 6 20 7 1 6 41 MLZ048 7 7600...

Страница 203: ...400 8 8 18300 8 9 21800 8 9 25900 9 0 30800 9 0 60 Hz MLZ015T4 30 2800 1 5 3500 1 5 4300 1 5 5200 1 5 6200 1 5 7500 1 5 8900 1 4 10500 1 4 40 2300 1 9 2900 1 9 3600 1 9 4500 1 9 5400 1 9 6400 1 8 7600...

Страница 204: ...4 50 19100 7 7 23100 7 6 27600 7 7 32600 7 8 60Hz MLZ MLM015T4 30 3000 1 2 3800 1 3 4600 1 3 5600 1 3 6700 1 4 7900 1 4 9300 1 5 40 3400 1 5 4200 1 6 5100 1 6 6100 1 7 7200 1 7 8500 1 7 50 4500 2 0 5...

Страница 205: ...5 3 14300 5 4 17400 5 4 21000 5 4 25000 5 3 60Hz MLZ MLM015T4 30 3000 0 9 3700 0 9 4600 0 9 5500 0 9 6600 1 0 40 3400 1 1 4200 1 1 5100 1 1 6100 1 2 7200 1 2 50 3000 1 3 3700 1 4 4600 1 4 5500 1 4 650...

Страница 206: ...n port 3 4 ODF Discharge port1 2 ODF 72 1 75 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 Rec...

Страница 207: ...glass 239 190 134 1 121 2 122 34 31 45 73 190 239 118 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...

Страница 208: ...8 ODF 48 19 7 134 350 1 517 2 526 94 1 490 2 499 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 tapp...

Страница 209: ...and gauge port is a 1 4 male flare connector incorporating a schrader valve Torque requirements Schrader valve core 0 6 0 2 Nm Schrader valve cover 14 5 1Nm Schrader Dimensions Compressor models Braze...

Страница 210: ...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...

Страница 211: ...M015T7 26 5 5 4 0 7 8 10 6 10 6 MLZ MLM019T7 38 7 0 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...

Страница 212: ...urement Use a digital ohm meter a 4 wires method and measure under stabilised ambient temperature Winding resistance varies strongly with winding temperature If the compressor is stabilised at a diffe...

Страница 213: ...eset The following PTC types are recommended for the MLZ MLM single phase compressors CSR wiring Nominal capacitor value and relays Electrical data connections and wiring Model Voltage code 1 208 230...

Страница 214: ...e to cool down and will restart safely afterwards 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 se...

Страница 215: ...hen using PTCSCR system Other 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...

Страница 216: ...neglected Because of the small glide R404A is often called a near azeotropic mixture R507 is an HFC refrigerant with properties comparable to R404A R507 has no ozone depletion potential ODP 0 As with...

Страница 217: ...not recommended due to the risk of liquid flood back Minimum and maximum evaporating and condensing temperatures as per the operating envelopes MLZ MLM compressors can be applied from 35 C to 50 C am...

Страница 218: ...5 20 25 30 35 40 45 50 55 60 65 70 75 25 20 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 2...

Страница 219: ...arge gas temperature should be controlled with an isolated thermocouple or thermostat attached to the discharge line 15 cm 6 inches from the compressor shell Maximum discharge gas temperature must not...

Страница 220: ...ing R22 R404A R134a Working pressure range high side bar g 7 03 27 9 7 20 27 7 4 91 22 1 Working pressure range low side bar g 0 71 6 4 1 04 7 2 0 64 4 0 Maximum high pressure safety switch setting ba...

Страница 221: ...rigerant from draining back to the compressor when stopped see fig 2 The maximum elevation difference between the indoor and outdoor section cannot exceed 8 m System manufacturers should specify preca...

Страница 222: ...stem has been evaluated A suitable test to evaluate 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 a...

Страница 223: ...and low pressure protection For suggested wiring diagrams please see section Electrical data Models MLZ MLM015 048 incorporate an internal low leak check valve that is appropriate for pump down operat...

Страница 224: ...rations liquid flood back may be detected by 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...

Страница 225: ...tions in which testing has revealed that the above procedures might not ensure satisfactory condensing and suction pressures the use of a head pressure control valve is recommended Note This solution...

Страница 226: ...efrigerant migration to the compressor When 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 bui...

Страница 227: ...enerate the penetrating power of lower frequency 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...

Страница 228: ...ess to help dampen any residual vibration potentially transmitted to the frame The tubing should be designed so as to both reduce the transmission of vibrations to other structures and withstand vibra...

Страница 229: ...ins solely the refrigerant and oil it was designed for Any other substances within the system will not improve performance and in most cases will be highly detrimental to system operations The presenc...

Страница 230: ...he brazing material into the joint but not into 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 t...

Страница 231: ...driers A properly sized type of drier is required Important selection criteria include the driers water content capacity the system refrigeration capacity and the system refrigerant charge The drier m...

Страница 232: ...pack pallet contains following accessories 4 grommets per compressor 4 sleeves per compressor Packaging Single pack Packaging details Danfoss pallets Optimized for overseas container loading European...

Страница 233: ...20U8010 120U8032 120U8284 MLZ038 T C 9 120U8068 120U8046 120U8012 120U8034 120U8296 MLZ042 T C 9 120U8399 MLZ045 T C 9 120U8048 120U8014 120U8332 120U8302 MLZ048 T C 9 120U8050 120U8016 120U8338 120U8...

Страница 234: ...120U8009 120U8031 120U8283 MLZ038 T C 9 120U8067 120U8045 120U8011 120U8033 120U8295 MLZ042 T C 9 120U8398 MLZ045 T C 9 120U8047 120U8013 120U8331 120U8301 MLZ048 T C 9 120U8049 120U8015 120U8337 120...

Страница 235: ...Multipack 10 120Z0365 Rotolock adaptor 1 1 2 MLZ MLM 015 019 021 026 030 038 042 045 discharge Multipack 10 120Z0366 Rotolock adaptor 1 1 4 3 4 MLZ MLM 048 discharge Multipack 10 120Z0367 Rotolock ada...

Страница 236: ...5 026 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 4 Rotolock 7 8 ODF Suction MLM Z030 048 Discharge MLM Z058 076 In...

Страница 237: ...MLM030 038 042 045 048 058 066 076 Multipack 6 Acoustic hood Terminal box Manifolding service kit Code No Description Application Packaging Pack Size 120Z5043 Acoustic hood MLZ MLM015 019 021 026 Sing...

Страница 238: ...e environment and reduces total life cycle costs We have 40 years of experience within the development of hermetic compressors which has brought us amongst the global leaders in our business and posit...

Страница 239: ...Danfoss scroll compressors SM SY SZ R22 R407C R134a R404A R507A 50 60 Hz Application guidelines http cc danfoss com...

Страница 240: ......

Страница 241: ...at mean temperatures 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...

Страница 242: ...roll 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 overload protector...

Страница 243: ...th 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 trapped within each crescent shaped...

Страница 244: ...ign 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 liquid slug...

Страница 245: ...700 6 84 3 15 10 8 127 2 22 1 3 25 65 SZ110 9 24 600 84 000 7 76 3 17 10 8 144 2 25 1 3 25 73 SZ120 10 28 600 97 600 8 99 3 17 10 8 166 6 29 0 3 25 73 SZ147 12 34 900 119 079 9 92 3 52 12 0 193 5 33 7...

Страница 246: ...0 400 8 20 3 24 11 1 127 2 26 7 3 25 65 SZ110 9 30 100 102 700 9 30 3 24 11 1 144 2 30 3 3 25 73 SZ120 10 34 800 118 800 10 70 3 24 11 1 166 6 35 0 3 25 73 SZ147 12 42 300 144 328 12 03 3 52 12 0 193...

Страница 247: ...251 9 B 288 4 A 141 9 B 178 4 99 4 284 284 220 220 A 163 B 179 185 A 156 7 B 162 A SM SZ 084 090 100 B SM SZ 110 120 45 30 162 8 99 4 holes 19 4 All dimensions in mm Grommet HM 8 bolt Lock washer Flat...

Страница 248: ...SM124 C SM SZ147 101 243 278 4 holes 19 05 60 180 154 230 190 5 173 30 230 224 243 4 holes 19 157 154 230 190 5 200 154 173 230 190 5 30 30 60 101 509 540 278 All dimensions in mm HM 8 bolt Lock washe...

Страница 249: ...284 358 209 284 SM 148 161 code 3 SM 148 161 code 4 30 591 180 376 115 3 270 4 266 99 5 440 187 331 99 HM 8 bolt Lock washer Flat washer Steel mounting sleeve Rubber grommet Nut 28 mm Compressor base...

Страница 250: ...266 Brazed version Rotolock version 316 3 195 171 345 4 4 holes 19 43 279 4 370 8 304 8 197 180 430 238 5 187 186 30 HM 8 bolt Lock washer Flat washer Steel mounting sleeve Rubber grommet Nut 28 mm Co...

Страница 251: ...SION 29 5 Without compression AVEC COMPRESSION 28 0 With compression 78 650 317 81 345 4 184 428 178 192 304 8 371 156 279 4 187 83 215 187 528 5 1 2 90 35 30 90 4 holes 19 43 266 256 649 614 187 215...

Страница 252: ...A 479 5 1 2 B 490 5 1 2 C 514 7 1 2 Suction A B 1 5 8 C 2 1 8 216 159 7 87 1 98 159 7 392 392 304 8 202 206 209 A B 402 C 420 185 9 454 294 193 5 141 30 35 90 A SY SZ240 B SY SZ300 C SY SZ380 Brazed v...

Страница 253: ...on SY 240 to 380 it is not possible to drain oil from the suction connection SM SZ 112 124 147 1 3 4 rotolock connector allowing use of 1 3 4 7 8 or 1 3 4 1 1 8 SY240 300 380 1 2 flare Other models 3...

Страница 254: ...ening torque is 3 Nm Use a 1 4 ring terminal on the power leads The terminal box is provided with 2 double knockouts for the power supply and 3 knockouts for the safety control circuit The 2 power sup...

Страница 255: ...talled in an enclosure precautions must be taken to avoid that the temperature around the compressor and in the terminal box would rise too much The installation of ventilation on the enclosure panels...

Страница 256: ...77 SY240 215 50 47 0 62 SY300 270 69 58 0 52 SY380 300 79 72 7 0 41 Motor voltage code 6 230V 3 ph 50 Hz SM SZ084 150 29 27 0 58 SM SZ090 165 30 27 0 5 SM SZ100 165 30 30 0 5 SM SZ110 210 37 35 0 35 S...

Страница 257: ...CC value is the maximum at which the compressor can be operated in transient conditions and out of the application envelope Above this value the internal motor protection or external electronic module...

Страница 258: ...the 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 swi...

Страница 259: ...rmostat DGT Fused disconnect Q1 Motor safety thermostat thM 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...

Страница 260: ...he time delay may be cancelled by means of resetting the mains L N disconnect for approximately 5 sec Compressor models SM SZ175 185 R C versions have been provided with a bimetallic single pole singl...

Страница 261: ...pressor down and connect the phases to their proper terminals If reverse rotation is not halted the compressor will cycle off on the internal motor protection Compressor models SY SZ 240 to 380 are de...

Страница 262: ...ct Danfoss Products SM SZ084 to SY380 Manufacturer s declaration of incorporation Contact Danfoss Products SM SZ084 to SY380 Declaration of conformity Contact Danfoss Products Internal free volume wit...

Страница 263: ...is an HFC refrigerant and has zero ozone depletion potential ODP 0 R404A is especially suitable for low evaporating temperature applications but it can also be applied to medium evaporating temperatu...

Страница 264: ...eat of 30K Minimum and maximum evaporating and condensing temperatures as per the operating envelopes SM SY SZ compressors can be applied from 35 C to 63 C for SM SZ084 to 185 and 53 C for SY SZ 240 t...

Страница 265: ...g temperature C 70 65 60 55 50 45 40 35 S H 11 1 K S H 30 K SUPERHEAT 75 30 20 15 10 5 5 10 15 20 0 Condensing temperature C Evaporating temperature C 70 65 60 55 50 45 40 35 S H 11 1 K S H 30 K SUPER...

Страница 266: ...e typically about 2 to 3 C lower than DEW point temperatures In these Selection and Application Guidelines Danfoss Commercial Compressors displays temperatures as DEW point values The performance tabl...

Страница 267: ...Example for SZ 084 to 185 70 65 60 55 50 45 40 35 30 25 20 15 10 5 0 5 10 15 20 Condensing temperature C Evaporating temperature C Dew temperature conditions S H 11 1 K S H 30 K SUPERHEAT 70 65 60 55...

Страница 268: ...s beyond the compressor s operating range will cause serious damage to the compressor Discharge temperature protection Discharge line Insulation Bracket Thermostat Example 1 R22 SH 11 K LP switch sett...

Страница 269: ...harge and suction pressures surpasses 31 to 38 bar This safety feature prevents the compressor from developing dangerously high pressures should the high pressure cutout for whatever reason fail to sh...

Страница 270: ...e the compressor as is often the case in split or remote condenser systems the addition of a pump down cycle is strongly recommended If a pump down cycle were to be omitted the suction line must have...

Страница 271: ...n tolerate occasional 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 fol...

Страница 272: ...e LLSV A pump down cycle represents one of the most effective ways to protect against the off cycle migration of liquid refrigerant Once the controls has been satisfied a solenoid valve closes on the...

Страница 273: ...tolerate occasional liquid flood back However system design must be such that repeated and excessive flood back is not possible A continuous liquid flood back will cause oil dilution and in extreme s...

Страница 274: ...tions Operation under low pressure differential may be observed by a significant increase in the sound power level generated by the compressor It is recommended that the unit be tested and monitored a...

Страница 275: ...ermostat are required for reversible heat pump applications The following considerations cover the most important issues when dealing with common applications Each application design however should be...

Страница 276: ...cted even for a very short period of time which situation may occur with slow acting reversing valves in heat pumps Discharge pressures exceeding the operating envelope may result in nuisance high pre...

Страница 277: ...77 8 7755011 120Z0356 S 100 70 8 73 8 75 8 77 8 7755011 120Z0356 S 110 75 8 77 8 78 8 81 8 7755010 120Z0356 S 112 75 6 78 6 120Z0035 S 120 75 8 77 8 78 8 81 8 7755010 120Z0356 S 124 73 6 77 6 120Z0035...

Страница 278: ...minimal 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 com...

Страница 279: ...ot exposed to rain corrosive or flammable atmosphere between 35 C and 53 C when charged with refrigerant and between 35 C and 70 C when charged with nitrogen When the compressor is mounted as part of...

Страница 280: ...Moisture and air Consequently when building equipment and assemblies the precautions listed in the following paragraphs must be taken Tubing Only use clean and dehydrated refrigeration grade copper tu...

Страница 281: ...pressor in order to prevent against oxidation and flammable conditions The compressor should not be exposed to the open air for extended periods Use of a double tipped torch is recommended Apply heat...

Страница 282: ...lter driers A properly sized type of drier is required Important selection criteria include the driers water content capacity the system refrigeration capacity and the system refrigerant charge The dr...

Страница 283: ...neral oil 160P SY P O E 320 SZ SZ P O E 160 SZ Top up the oil while the compressor is idle Use the schrader connector or any other accessible connector on the compressor suction line and a suitable pu...

Страница 284: ...50 950 745 543 2 SM SZ147 565 470 718 79 8 1150 950 745 566 2 SM SZ148 161 565 470 749 100 6 1140 950 790 546 3 SM SZ175 185 SY185 565 470 837 115 6 1140 950 877 648 2 SY240 760 600 900 163 4 1140 950...

Страница 285: ...AI SM175 Brazed Thermostat SM175 3CAI SM175 4CAI Rotolock Thermostat SM175 4RI SM185 Brazed Thermostat SM185 3CAI SM185 4CAI SM185 9CAI Brazed Module 24V AC SM185 4PCI Brazed Module 110 240V AC Rotolo...

Страница 286: ...Brazed Thermostat Rotolock Thermostat SM175 4RM SM185 Brazed Thermostat SM185 3CAM SM185 4CAM SM185 9CAM Brazed Module 24V AC SM185 4PCM Brazed Module 110 240V AC SM185 4XCM Rotolock Thermostat SM185...

Страница 287: ...SZ110 Brazed Internal SZ110 3VI SZ110 4VI SZ110 9VI SZ120 Brazed Internal SZ120 3VI SZ120 4VI SZ120 9VI SZ147 Brazed Internal 120H1096 SZ148 Brazed Internal SZ148 3VAI SZ148 4VAI SZ148 9VAI SZ161 Braz...

Страница 288: ...SZ100 9VM SZ110 Brazed Internal SZ110 3VM SZ110 4VM SZ110 9VM SZ120 Brazed Internal SZ120 3VM SZ120 4VM SZ120 9VM SZ147 Brazed Internal 120H1097 SZ148 Brazed Internal SZ148 3VAM SZ148 4VAM SZ161 Braz...

Страница 289: ...pack 10 G09 7956002 Gasket 1 1 4 Models with 1 1 4 rotolock connection Industry pack 50 G07 8156132 Gasket 1 3 4 Models with 1 3 4 rotolock connection Multipack 10 G07 7956003 Gasket 1 3 4 Models with...

Страница 290: ...20Z0388 80W 24V surface sump heater CE UL SM112 124 SM SZ147147 Multipack 8 120Z0389 80W 230V surface sump heater CE UL Multipack 8 120Z0390 80W 400V surface sump heater CE UL Multipack 8 120Z0391 80W...

Страница 291: ...ack 1 120Z0355 Bottom insulation SY240 to SY380 Single pack 1 Mounting hardware Type Code No Description Application Packaging Pack Size 8156138 Mounting kit for scroll compressors Grommets sleeves bo...

Страница 292: ...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 52 x 57 mm SM SZ084 110 120 148 except 3 161 except 3 SM112...

Страница 293: ...Previous Version Current Version Page 19 Danfoss MCI soft start controller Page 19 Updated Danfoss MCI soft start controller Page 27 Added SZ147 R134a operating map 55 FRCC PC 003 B4 02 Application Gu...

Страница 294: ...ned us as distinct variable speed technology specialists Today we operate from engineering and manufacturing facilities spanning across three continents FRCC PC 003 B4 02 Danfoss DCS CC 2017 07 Our pr...

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