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“精锐”压缩冷凝机组 

“SLIM POWER”CONDENSING UNIT 

 

 

   

   

   

冷(无

  

锡)有

   

   

   

 

Beijer Ref (Wuxi) Co. Ltd 

PN: 

YAL0002-60 

Issue: 

Date:      01/01/20 
Page:       23 of 26  
EN: 

 

 

 

 

23 

 

5

、常见故障分析

General Trouble Shooting Guide

 

故    障 

可 能 原 因 

处 理 方 法 

压缩机启动不了或者启动后很
快停机

 

Compressor will not start 
or shut down soon after the 
start

 

1

、电源有问题

 

1

problem with the 

power supply

 

检查电源,电压是否正常,开关、熔断器等是否已跳开;

 

Check the power supply, switches, fuses

 

2

、保险丝或开关跳闸

 

2

Fuse or Air Switch 

tripped

 

查找原因

,

更换保险

,

合闸

 

Find out the reasons, replace fuse, and close switch

 

3

、接触器有故障

 

3

problem with 

contactor

 

更换接触器

 

Change contactor

 

4

、压力开关设置问题

 

4

problem with set-

point of  Pressure switch

 

重新设定高低压开关

 

Re-set pressure switch

 

5

、电源错相或缺相

 

5

power supply lose 

phase or error phase

 

调整电源并查找缺相原因

 

Adjust phase sequence and find reason of  lose phase

 

6

、三相不平衡

 

6

3-phase unbalance

 

查找原因并纠正

 

To be rectify and correct it

 

7

、压缩机过电流

 

7

Compressor over 

current

 

查找原因并纠正

 

To be rectify and correct it

 

8

、排汽温度过高

 

8

Discharge 

temperature is too high

 

查找系统原因并排除故障

 

To be rectify and correct it

 

9

、压缩机电机烧毁

 

9

Compressor motor 

burn down

 

查找原因、排除并更换压缩机

 

To be rectify and change compressor if required

 

10

、压缩机机械故障

 

10

Compressor 

mechanical failure

 

查找原因、排除并更换压缩机

 

To be rectify and change compressor if required

 

排气压力过高

 

Discharge Pressure is too high

 

1

、制冷剂过多

 

1

too much refrigerant

 

回收部分制冷剂

 

Reclaim part of refrigerant

 

2

、冷凝器脏堵

 

2

Condenser is dirty

 

清扫冷凝器

 

Clean condenser

 

3

、系统内存在空气

 

3

Non-condensable 

gas in system

 

清楚空气

 

Release non-condensable gas

 

4

、环境温度过高

 

4

Ambient over-

temperature

 

改善室内通风情况

 

Improve indoor ventilation

 

吸气压力过低

 

Low suction pressure

 

1

、制冷剂不足或泄漏

 

1

Refrigerant shortage 

or leakage

 

充注制冷剂,检查泄漏并修复

 

Check leakage and repair, charge refrigerant

 

2

、膨胀阀调节不当

 

2

Improper expansion 

valve adjustment

 

调整膨胀阀设定

 

Adjust expansion valve

 

3

、过滤器堵塞

 

更换过滤器或滤网

 

Summary of Contents for SLIM POWER

Page 1: ...01 20 Page 1 of 26 EN Beijer Ref Wuxi Co Ltd SLIM POWER Condensing Unit Installation Instructions 2 0 7 5HP For 2 0 7 5HP THANK YOU FOR CHOOSING THE BEIJER CONDENSING UNIT TO ENSURE TROUBLE FREE INSTA...

Page 2: ...Compressor Start Up Reset 5 1 4 Caution Compressor 6 1 5 Personal Protective Equipment 6 1 6 Refrigerant Reclaim 6 1 7 No Smoking 6 1 8 Caution Unit Pressurized 6 1 9 Caution Refrigerant Type 7 1 10 C...

Page 3: ...p Vacuum 11 2 1 9 Lubrication 11 2 1 10 Unit maintenance 12 2 1 11 Compressor Crankcase heater 12 2 1 12 Unit Electrical Connection 12 2 2 Refrigeration Piping 13 2 3 Compressor Starting 14 2 4 Fan Sp...

Page 4: ...2 60 Issue D Date 01 01 20 Page 4 of 26 EN 4 4 WIRING SCHEMATIC DIAGRAMS 20 4 1 SLIM POWER Unit MT LT standard 20 4 2 SLIM POWER Unit LT with control panel 21 4 3 Coresense SLIM POWER Unit LT with Cor...

Page 5: ...carry out all electrical work Always isolate the power to the unit before checking and or diagnosing the units Never work on any electrical item without isolating or disconnecting the power supply Al...

Page 6: ...or discharge pipe temperature is high anything contacted may reach the ignition point to fire Leaking refrigerant please pay attention to the protection of the eyes and skin When removing refrigerant...

Page 7: ...se ONLY POE oil do NOT mix POE with other oils when using refrigerants R404A 1 11 Caution Sharp Edges All units are manufactured with sheet metal thus this process had been taken to ensure the edges a...

Page 8: ...scroll compressor which are fitted with inherent internal line break motor protection After opening the protector may not reset for several hours until the motor cools sufficiently Scroll compressors...

Page 9: ...range with refrigerant R22 evaporating temperature is from 10 to 10 Low temperature range X series units with refrigerant R404 R22 evaporating temperature is from 40 to 20 Low temperature range N seri...

Page 10: ...ion to the condenser Condensing Unit should be properly installed on horizontal base with corresponding foot bolts The liquid sight glass is located inside the unit Allow sufficient space around the a...

Page 11: ...positive pressure region When the unit is installed in a cold ambient the cut out pressure shall be lower than the pressure corresponding to the ambient temperature 2 1 6 Warning Reset Motor Protect W...

Page 12: ...e oil temperature Oil temperature should be higher than the ambient temperature for at least 10K The expected temperature would be between 50 70 Recommend to check oil temperature regular for ensure t...

Page 13: ...the rotation of the valve rod After turning valve rod lock the gland nut with a torque wrench for 13 torque to prevent leakage of refrigerant The detail is below Unit Model Gland Nut Torque N m BD020M...

Page 14: ...efrigerant velocity to ensure efficient oil return Horizontal suction lines shall slope towards to the units to allow the oil return freely to the compressor by gravity A 1 100 slope is considered suf...

Page 15: ...t in particular blended zeotropic refrigerant such as R404A require proper procedures to be observed Initially charge 60 to 80 of the expected refrigerant charge in liquid form into the liquid receive...

Page 16: ...rom its mounting place the following procedures need to be carried out professionally by qualified personnel Failure to do so may result in personal injury or death property damage by fire or explosio...

Page 17: ...the warranty Refer to the Standard Terms Conditions of Sale in the Price Guide for warranty statements Continuous product improvement is our company policy Beijer Ref reserves the right to make change...

Page 18: ...Take the necessary measures to avoid the ponding damage to the unit 3 Space around unit should be enough for easy ventilation and daily maintenance for specific dimension please refer to 3 2 4 For a...

Page 19: ...Page 19 of 26 EN 19 BDN040LZ2 D F BDN040LZ2 D 585 388 1032x425x845 BDN050LZ2 D F BDN050LZ2 D 585 388 1032x425x845 BDN060LZ2 D F BDN060LZ2 D 585 388 1032x425x845 BDN075LZ2 D F BDN075LZ2 D 585 388 1032x...

Page 20: ...L N 1 13 14 3 4 5 6 7 9 8 10 K1 N A1 A2 By Customer 12 2 NO COM L1 L2 L3 L1 Phase Alarm To K1 11 L2 L3 7 WS851 1 VER 00 UNIT S No Overload T1 2T1 4T2 6T3 A C LP HP D B T1 N C 95 96 17 18 19 Dischare...

Page 21: ...3 4 5 6 7 9 8 10 K1 N A1 A2 By Customer 12 2 NO COM L1 L2 L3 L1 Phase Alarm To K1 11 L2 L3 7 WS851 6 VER 00 UNIT S No Overload T1 2T1 4T2 6T3 A C LP HP D B T1 N C 95 96 17 18 20 Compressor 1 EARTH AS...

Page 22: ...14 3 4 5 6 7 9 8 10 K1 N A1 A2 By Customer 12 2 NO COM L1 L2 L3 L1 Phase Alarm To K1 11 L2 L3 7 WS851 5 VER 00 UNIT S No Overload T1 2T1 4T2 6T3 A C LP HP D B T1 N C 95 96 17 18 20 Compressor 1 EARTH...

Page 23: ...se phase 6 6 3 phase unbalance To be rectify and correct it 7 7 Compressor over current To be rectify and correct it 8 8 Discharge temperature is too high To be rectify and correct it 9 9 Compressor m...

Page 24: ...2 2 Low superheat Adjust expansion valve 3 3 Evaporator frosting Defrost and clean evaporator 4 4 Evaporator fan fault To be rectify and change fan if required Abnormal noise from compressor 1 1 Comp...

Page 25: ...ed Troubleshooting and resetting Compressor start frequently 1 1 Lack refrigerant Check leakage and repair charge refrigerant 2 2 Line blocking To be rectify and change part if required 3 3 Unit is pr...

Page 26: ...Beijer Ref reserves the right to alter its products without notice more information please contact with sales and visit Beijer Ref website http www beijerref com cn Beijer Ref Wuxi CO LTD No 12 Xindu...

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