Danfoss Maneurop NTZ Series Application Manuallines
Reciprocating compressors
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- Application manuallines (24 pages)
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Summary of Contents for Danfoss Maneurop NTZ Series
- Page 1 Application guidelines Maneurop® reciprocating compressors NTZ R404A - R507 - R452A http://cc.danfoss.com...
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Page 3: Table Of Contents
Application Guidelines Content Maneurop® reciprocating compressors ..................... 5 Features ....................................5 Specifications ............................6 Technical specifications and nominal ratings ......................6 Versions ....................................6 Compressor reference ..............................6 Nominal performance data for R404A and R452A ....................7 Dimensions ............................8 1 cylinder ....................................8 2 cylinders .....................................9 4 cylinders .................................. - Page 4 Application Guidelines Content Sound and vibration management ....................22 Sound ....................................22 Vibration ..................................... 22 Installation and service ........................23 System cleanliness ................................23 Compressor handling, mounting and connection ..................... 23 Compressor connection to the system ........................24 System pressure test ..............................24 Leak detection ..................................
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Page 5: Maneurop® Reciprocating Compressors
Application Guidelines Maneurop® reciprocating compressors Features The Maneurop® NTZ series from Danfoss A liquid injection system is not required. All Commercial Compressors is a range of hermetic components are of high quality and precision to reciprocating compressors for low evaporating assure a long product life. -
Page 6: Specifications
8058 1.21 (*) Motor code 4 operating conditions: R404A, Evap. temp.: -35°C, Cond. temp.: 40°C, RGT: 20°C, SC: 0K For full NTZ data details and capacity tables refer to Online Datasheet Generator: www.danfoss.com/odsg Versions Available equipment version: • R1: Rotolock suction and discharge connections, 3/8" flare oil equalisation connection, threaded sight glass. -
Page 7: Nominal Performance Data For R404A And R452A
Application Guidelines Specifications Nominal performance data for R404A and R452A R404A Refrigeration 50 Hz, EN12900 ratings 50 Hz, EN12900 ratings To = -35°C, Tc = 40°C, SC = 0K, SH = 10K To = -35°C, Tc = 40°C, SC = 0K, RGT = 20°C Compressor Cooling Power... -
Page 8: Dimensions
Application Guidelines Dimensions 1 cylinder ø 224 Suction rotolock 1"1/4 Schrader 1/4" 353 (NTZ068-1) Discharge rotolock 1" Oil equalisation 3/8" PTC crankcase heater 33° 35° Threaded oil sight glass Silent block HM8-40 Suction 147 Discharge 142 17° Terminal box Spade connectors 1/4"... -
Page 9: Cylinders
Application Guidelines Dimensions 2 cylinders ø 288 Suction rotolock Schrader 1"3/4 1/4" Discharge rotolock 1"1/4 Oil equalisation 3/8" crankcase heater Threaded oil sight glass (1) NTZ096 - 108 (2) NTZ136-1 Silent block Suction 179 HM8-40 Discharge 176 Terminal box Terminal box Spade connectors 1/4"... -
Page 10: Cylinders
Application Guidelines Dimensions 4 cylinders Ø 352 Schrader 1/4 " Suction rotolock 1"3/4 Discharge rotolock 1"1/4 Oil equalisation Threaded oil 3/8" sight glass Mounting hole for PTC crankcase heater Silent block HM12-50 15° 15° 155° 15° Terminal box IP rating: 54 (with cable gland) Rotolock connections size Pipe sizing Rotolock valve... -
Page 11: Electrical Connections And Wiring
Application Guidelines Electrical connections and wiring Voltage application range Motor voltage code Nominal voltage Voltage application range 208-230V/1/60Hz 187–253V 200-230V/3/60Hz 180–253V 380-400V/3/50Hz 340–440V (50Hz) 460V/3/60Hz 414–506V (60Hz) 220-240V/1/50Hz 198–264V 380V/3/60Hz* 342–418V * Some models are approved for 380-400V/60Hz. Please check data sheet. Single phase electrical LRA - Locked Rotor MCC - Maximum... -
Page 12: Single Phase Psc Wiring With Trickle Circuit
Application Guidelines Electrical connections and wiring Single phase PSC wiring with trickle circuit Motor protector A & C Run capacitors Common Start winding (auxiliary) Run winding (main) Single phase CSR wiring with trickle circuit Motor protector A & C Run capacitors Start capacitor Common Start winding (auxiliary) -
Page 13: Three Phase Electrical Characteristics
Application Guidelines Electrical connections and wiring Three phase electrical characteristics Winding resistance Compressor (Locked Rotor Amp) A (Maximum Continuous Current) A (between phases +/- 7% at 25°C) Ohm model NTZ048 10.1 2.80 11.55 NTZ068 48.5 14.8 1.58 6.67 9.70 NTZ096 20.4 10.1 1.20... -
Page 14: Wiring Diagram Without Pump-Down Cycle
Application Guidelines Electrical connections and wiring Wiring diagram without CONTROL CIRCUIT pump-down cycle 180 s Control device Optional short cycle timer (3 min) 180 s Control relay Compressor contactor Safety lock out relay H.P. switch Fused disconnect Fuses Compressor motor 85 52 019 - A Discharge gas thermostat IP rating... -
Page 15: Approval And Certifications
Maximum allowable pressure - PS 22.6 bar 22.6 bar Low voltage directive Products NTZ 048 to 271 2014/35/EU Declaration of conformity Contact Danfoss Machinery directive Products NTZ 048 to 271 2014/30/EU Manufacturer's declaration of incorporation Contact Danfoss Internal free volume... -
Page 16: Operating Conditions
R404A / R507 R404A and R507 are especially suitable for low in the liquid phase. For most other aspects and medium temperature applications. Danfoss however, this small glide may be neglected. R507 recommends the use of these refrigerants with is an azeotropic mixture without temperature NTZ compressors. -
Page 17: Discharge Temperature Protection
The most effective protection against too Discharge line high discharge gas temperature is to mount a discharge gas thermostat. An accessory kit Bracket is available from Danfoss which includes the Insulation thermostat, mounting bracket and insulation. Operating limits High pressure... -
Page 18: System Design Recommendations
Note that the suction rotolock valves, which can be ordered from Danfoss as accessories, are designed for average pipe sizes, selected for systems running at nominal conditions. -
Page 19: Oil Charge And Oil Separator
(water content For servicing of existing installations where acid capacity), the system refrigerating capacity and formation is present the Danfoss DCL solid core the system refrigerant charge. Suction pressure control An MOP-type expansion valve or suction When compressors are mounted onto a rack pressure regulator (i.e. -
Page 20: Cycle Rate Limit
Application Guidelines System design recommendations Cycle rate limit No more than 12 starts per hour (6 when a soft start-up as well as proper oil return from the start accessory is used) are allowed. A higher system to the compressor. number would reduce the service life of the A 5-minute delay between two successive motor-compressor unit. -
Page 21: Crankcase Heater
As a general rule, Danfoss operation. This device also helps protect against Commercial Compressors recommends to off-cycle migration by providing additional... -
Page 22: Sound And Vibration Management
Application Guidelines Sound and vibration management Sound Compressors in operation are one of the sources an acoustic hood accessory. Because Maneurop® of sound and vibration in a refrigeration system. NTZ compressors are 100% suction gas cooled Both phenomena are closely related. and require no external cooling they can be insulated or enclosed in a sound proofing Sound produced by a compressor is transmitted... -
Page 23: Installation And Service
Application Guidelines Installation and service System cleanliness System contamination is one of the main pipes during brazing to prevent oxidation. If factors that affects equipment reliability and flux is used, take every precaution to prevent compressor service life. Therefore it is important the leakage of flux into the piping. -
Page 24: Compressor Connection To The System
Application Guidelines Installation and service Compressor connection New compressors have a protective nitrogen the pipes when mounted on the compressor. In to the system holding charge. Only remove the suction and this situation nitrogen or CO must be purged discharge plugs just before connecting the through the compressor via the schrader valve compressor to the installation, so as to prevent to prevent air and moisture ingress. -
Page 25: Leak Detection
Application Guidelines Installation and service Leak detection Whenever possible the compressor must be kept air or acetylene as these gasses can form an isolated from the system during leak detection inflammable mixture with the compressor oil. Never use CFC or HCFC refrigerants for leak by closing the suction and discharge valves. -
Page 26: Oil Charge And Oil Level
In installations with line runs exceeding 20 m or is recommended. Use Danfoss 175PZ lubrificant with many oil traps or an oil separator, additional for systems with NTZ compressors. -
Page 27: Ordering Information And Packaging
Application Guidelines Ordering information and packaging Code numbers NTZ compressors in single pack* (for ordering) Motor voltage code Compressor model 460/3/60 208-230/1/60 200-230/3/60 230/1/50 380/3/60 400/3/50 NTZ048 120F0293 120F0279 120F0226 120F0228 120F0302 NTZ068 120F0294 120F0280 120F0230 120F0232 120F0303 NTZ096 120F0295 120F0281 120F0234 NTZ108... - Page 28 Application Guidelines Accessories Rotolock service valves and valve sets (without gasket) Pack Type Code n° Description Application Packaging size 8168027 Rotolock valve, V01 (1" Rotolock, 3/8" ODF) Models with 1" rotolock connection Multipack 8168031 Rotolock valve, V06 (1" Rotolock, 1/2" ODF) Models with 1"...
- Page 29 Application Guidelines Accessories Solder sleeves Pack Type Code n° Description Application Packaging size 8153010 Solder sleeve, P01 (1" Rotolock, 3/8" ODF) Models with 1" rotolock connection Multipack 8153007 Solder sleeve, P06 (1" Rotolock, 1/2" ODF) Models with 1" rotolock connection Multipack 8153011 Solder sleeve, P09 (1"1/4 Rotolock, 5/8"...
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Page 30: Accessories
Application Guidelines Accessories PTC heaters Pack Type Code n° Description Application Packaging size PTC27W 120Z0459 PTC heater 27W All models Multipack PTC27W 120Z0460 PTC heater 27W All models Industry pack Single phase PSC starting kits Pack Type Code n° Description Application Packaging size... - Page 31 Application Guidelines Accessories Acoustic hoods Pack Type Code n° Description Application Packaging size 1 cyl 120Z0575 Acoustic hood for 1 cyl NTZ048-068 Single pack 2 cyl 120Z0576 Acoustic hood for 2 cyl NTZ096-136 Single pack 4 cyl 120Z0577 Acoustic hood for 4 cyl NTZ215-271 Single pack Mounting kits...
- Page 32 Application Guidelines Updates Previous version Current version • Page 6: Updated Evolution index in Compressor • Page 6: Compressor reference reference • Page 11: Single phase electrical characteristics • Page 11: Updated MCC (A) - Code 1 - NTZ048 • Page 15: Approvals and certificates •...
- Page 34 Our products can be found in a variety of applications such as rooftops, chillers, residential air conditioners, heatpumps, coldrooms, supermarkets, milk tank cooling and industrial cooling processes. http://cc.danfoss.com Danfoss Commercial Compressors, BP 331, 01603 Trévoux Cedex, France | +334 74 00 28 29 FRCC.PC.046.A4.02 © Danfoss | DCS (CC) | 2018.07...
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