Table of Contents
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1.
General ...................................................................................................................................................................... 3
1.1
Product Introduction ...................................................................................................................................... 3
1.2
Nomenclature ................................................................................................................................................ 3
1.3
Product range ................................................................................................................................................. 4
1.4
Design Specification ....................................................................................................................................... 4
1.5
Operation range ............................................................................................................................................. 5
1.6
Design Features .............................................................................................................................................. 6
2.
Application ................................................................................................................................................................. 7
2.1
Compressor application ................................................................................................................................. 7
2.2
Lubricant Application ..................................................................................................................................... 9
2.3
System application ....................................................................................................................................... 11
2.4
Motor control ............................................................................................................................................... 21
2.5
Installation and fixation ............................................................................................................................... 24
3.
Accessory ................................................................................................................................................................. 26
3.1
Accessory list ................................................................................................................................................ 26
3.2
Oil circuit parts ............................................................................................................................................. 27
3.3
System parts ................................................................................................................................................. 29
3.4
Electrical parts .............................................................................................................................................. 31
4.
Maintenance............................................................................................................................................................ 38
4.1
Items to be checked before machine starting.............................................................................................. 38
4.2
Items to be checked during operation ......................................................................................................... 38
4.3
Faults analysis .............................................................................................................................................. 40
5.
Appearance and functions....................................................................................................................................... 42
5.1
Appearance structure .................................................................................................................................. 42
LB II -100~410-PLUS Connector ................................................................................................................... 45
5.2
LB II -100~280-PLUS Dimension ................................................................................................................... 46
5.3
LB II -100~280P-PLUS Dimension ................................................................................................................. 47
5.4
LB II -360/410-PLUS Dimension ................................................................................................................... 48
5.5
CONTENT
1
LB
-PLUS Technical Manual
II
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Summary of Contents for Hanbell LBII-PLUS
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Page 1: Table Of Contents
-PLUS Technical Manual CONTENT General ..................................3 Product Introduction ............................3 Nomenclature ..............................3 Product range ..............................4 Design Specification ............................4 Operation range ............................. 5 Design Features .............................. 6 Application ................................. 7 Compressor application ..........................7 Lubricant Application ............................. 9 System application ............................ - Page 2 -PLUS Technical Manual LB II -100~280-PLUS Dimension ........................49 LB II -100~280-P-PLUS Dimension ........................ 50 LB II -360/410-PLUS Dimension ........................51...
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Page 3: General
1. General 1.1 Product Introduction In recent years, Hanbell has launched LB, LB-PLUS series low temperature screw refrigeration compressor based on the integrated application experience in low temperature field and customer demand. In order to further expand the application field and reliability of products, LB -PLUS series compressors are specially developed. -
Page 4: Product Range
LBII-410-P Remark: “-P” Type compressor without lubricant oil Note: Please confirm the rated current of designed working condition according to the HANBELL model selection program, and select the contactor, power line and fuse protection element according to the maximum operating... -
Page 5: Operation Range
-PLUS Technical Manual 1.5 Operation range... -
Page 6: Design Features
-PLUS Technical Manual 1.6 Design Features Electronic expansion valve The LB -PLUS adopts electronic expansion valve. Its precise control, stability in operation and simplification control make compressors simpler, safer and more reliable. Independent cooling of motor It ensures that the motor runs at the ideal temperature, which effectively prolongs the life-time of the motor. -
Page 7: Application
The effect is particularly obvious at low temperature. In order to effectively control the refrigerant quantity that enter into the motor chamber, HANBELL designed the scheme to control the motor liquid injection: ... - Page 8 -PLUS Technical Manual Motor liquid injection Figure2-1 Electronic expansion valve installation diagram It is forbidden to cut off the liquid injection of the motor during operation. It is forbidden to turn on the liquid injection of the motor when the compressor stops. ...
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Page 9: Lubricant Application
-PLUS Technical Manual 2.1.2 Oil line blocking pin If an external oil cooler is required to a single type compressor, oil blocking pin needs to be installed in the compressor. The function of the blocking pin is to block the oil internal cycle of the compressor, so as to realize the establishment of external oil. - Page 10 Please replace it if the cleanliness and acidity beyond the standard range. Please pay attention to the cleanliness and dryness of the system as well. Warning: If the lubricating oil that isn’t authorized by Hanbell is used for compressor, HANBELL will not be responsible for the coming problems.
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Page 11: System Application
-PLUS Technical Manual 2.3 System application LBII-PLUS system layout: Single type... - Page 12 -PLUS Technical Manual -PLUS system layout: Parallel type Figure-8 Basic system configuration Note: The motor liquid injection pipe of each compressor in parallel should take liquid from the main circuit pipe independently to avoid the phenomenon of liquid grab.
- Page 13 -PLUS Technical Manual 2.3.1 Suction and discharge pipe configuration During normal operation, the vibration of the compressor is small, so there is no need for flexible connection among suction and discharge pipelines, but the pipeline must have enough flexible length, and it needs to be ensured that the suction and discharge pipeline will not generate stress on the compressor.
- Page 14 Water cooling type Refrigerant cooling type The heat exchange data of the oil cooler can be obtained by the HANBELL model selection program. The limit operating conditions should be taken into account, such as the maximum pressure difference (high condensation...
- Page 15 -PLUS Technical Manual It is required that the pressure drop of the external oil circuit system should not be greater than 1bar, so as not to affect the normal lubrication of the compressor. Figure-Pipeline diagram of external oil system Air cooling type The fan accelerates the air flow passes the fin of oil cooler to cool the lubricating oil in the pipeline.
- Page 16 -PLUS Technical Manual Icon Description Icon Description Suction filter Oil cooler Compressor Oil separator Check valve Oil sight glass Oil filter Oil flow switch Pressure difference Solenoid valve switch Handle valve Table 3 Illustration Water cooling type The cooling water circulates by the pump and takes the heat of the lubricating oil. The suggested system layout is shown in following Figure.
- Page 17 High suction superheat (＞15K) Note: Regarding the load of the oil cooler, please refer to the data of HANBELL model selector. When selecting, we must consider the limit oil cooling load in the working condition and consider the size of the oil cooler.
- Page 18 -PLUS Technical Manual Connect to external oil separator outlet Filter Solenoid valve Oil sight glass Oil flow switch Pressure difference switch Piping drawing of external oil cooling circuit Figure LBII-100~280-PLUS-P Connect to external oil separator outlet Solenoid valve Oil sight glass Filter Oil flow switch Pressure difference switch...
- Page 19 The selection of economizer: The tube and shell type heat exchanger can be used as an economizer. Please select the load of the economizer according to the relevant technical data in the HANBELL software. The selection of economizer expansion valve: If you want to get more valve selection guidance for economizer expansion valves, please contact HANBELL.
- Page 20 It is suggested to use HANBELL optional pressure maintenance valve, and the pressure maintenance valve related information, please contact HANBELL. The following conditions can cause a low differential pressure: ...
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Page 21: Motor Control
60℃. For more information about the oil line, please contact HANBELL 2.4 Motor control 2.4.1 Part winding start Hanbell screw compressor is equipped with part winding start (PWS) motor. ——A connect to PTC ——B connect to NTC Figure- Compressor wiring... - Page 22 -PLUS Technical Manual Figure Winding wiring diagram Figure Direct start wiring diagram Suggestions: 1. Switching time for winding start：0.5s 2. It is suggested that the selection of the motor contactor (k1/k2) requires the respective rated current to be equal to about 60% of the maximum operating current. 3.
- Page 23 Please turn off the machine in time and wait the problem to be solved. If it is motor problem, please contact HANBELL. Standard connection of main power supply line Main power supply line connection during test 2.4.3 Electromagnetic contactor selection...
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Page 24: Installation And Fixation
For marine system, the compressor should be installed along the axial direction of the ship, and the external oil tank and pressure maintenance valve need to be configured. Please contact Hanbell for more installation suggestions. Figure-Installation diagram of compressor damping pad... - Page 25 -PLUS Technical Manual When the damping pad is being installed, the four bottom bolts should be uniformly stressed and the nuts should be tightened appropriately, and make sure to use spring gasket in order to ensure they won't be loose during long-term operation of the compressor.
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Page 26: Accessory
△ Pressure maintenance valve ● △ Lubricant ● △ 300W oil heater Table-5 Accessories list Note: The final interpretation of the above table belongs to HANBELL. △ ●：standard parts ／ ：optional parts The above parts are subject to the contract. -
Page 27: Oil Circuit Parts
-PLUS Technical Manual 3.2 Oil circuit parts 3.2.1 Oil flow switch In order to prevent the compressor from losing oil, an oil flow switch should be installed in the compressor system which has an external oil separator. The specifications of the oil flow switch are shown in the following chart: Type Size Connection... - Page 28 -PLUS Technical Manual 3.2.3 External oil filter Installation bracket M10 Nut 2-M10*65 Bolt External oil filter bracket installation diagram Max working pressure 28bar Working temperature-55~120 Specification: Size Connection Applicable model 3/8" Thread/Weld LB-100~180-PLUS 5/8" Thread/Weld LB-200~410-PLUS 3.2.4 Oil circuit solenoid valve ...
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Page 29: System Parts
3.3.1 Suction and discharge stop valve In order to ease the maintenance and repair of the machine, it is recommended to install the suction and discharge stop valves for the compressor. Please refer to the following table to know about HANBELL stop valve. - Page 30 -PLUS Technical Manual Stop valve dimension *Stop valve specification Max working pressure Strength test(gas pressure) Temperature range 28 bar 35 bar -50～150℃ 3.3.2 Damping pad Function: To reduce the additional vibration and noise during compressor operation. Figure - Compressor damping pad specification (mm)
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Page 31: Electrical Parts
-PLUS Technical Manual 3.4 Electrical parts 3.4.1 INT69 HBY Diagnose protection module A. Application description: The protection module INT69 HBY Diagnose is the advanced product of the protection module series, which is used for the compressor protection microcontrollers. The flexible response function is added in the phase sequence monitoring, which improves the practicability and prolongs the life of the refrigeration system. - Page 32 -PLUS Technical Manual —Switching frequency length 5min±1min <1.8KΩ —Phase stagger Deadlock Deadlock —Phase loss Power off and reset Cancel deadlock or reset delay Switch for 3 times within Ambient temperature -30…70℃ Max switching frequency Activated 1 second after the motor starts and will remain monitoring for AC 240V 2.5A C300 at least Phase monitor...
- Page 33 -PLUS Technical Manual If the green light is always on but the compressor cannot start: Use the multimeter to test the resistance between M1 and M2. If it is blocked, the protector needs to be replaced. E. Appearance and wiring Figure - INT69 HBY Diagnose diagram Figure-INT69 HBY&PTC connection diagram Note: The above figure only indicates the connection method of protection module;...
- Page 34 -PLUS Technical Manual 3.4.2 Electronic expansion valve and controller A. Application and function: HB-EVC-200LM electronic expansion valve module is used to control the motor temperature of LB II serious compressor. The electronic expansion valve module is composed of an electronic expansion valve and a controller. The controller reads the temperature of the motor through the resistance signal from the motor embedded NTC sensor to automatically control the opening of the electronic expansion valve to achieve automatic control of the liquid spray of the motor.
- Page 35 -PLUS Technical Manual B. Technical data Supply voltage AC 50/60HZ 100-265V ,12Wmax Output current 4-20mA, corresponding motor temperature 0-110℃ Temperature detection 0-110℃ Sensor type NTC 10K@25℃,β=3435 Through the internal control logic, the controller keeps the Motor temp control motor temperature stable in a safe range -20-60℃...
- Page 36 -PLUS Technical Manual D. G1-G2 output current and motor temperature comparison table Motor Current Motor Current Motor Current Motor Current Motor Current temp ℃ temp ℃ temp ℃ temp ℃ temp ℃ 4.00 7.35 10.69 14.04 17.38 4.15 7.49 10.84 14.18 17.53 4.29...
- Page 37 -PLUS Technical Manual 3.4.4 NTC temperature sensor and resistance valve （ ） Empirical value formula ; 10 is the resistance valve when temperature comes to 25℃; R is the resistance valve when temperature is T. Resistance valve Resistance valve Resistance valve Temp Temp Temp...
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Page 38: Maintenance
2. Control circuit voltage value 2. The standard voltage of the control circuit is 220V±10%; if Inter-phase ground there are other requirements, please contact Hanbell; insulation resistance of motor 3. Insulation value shall be higher than 5MΩ; 2. Electrical system 4. - Page 39 The whole equipment, especially the pipe, must pass the abnormal vibration test. If there is abnormal vibration or noise during the operation of the compressor, please contact HANBELL. If the compressor is in long-time operation, the following items should be checked daily: machine operation data (such as: three-phase voltage, line current etc.), the oil temperature and oil level of the lubricant, all...
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Page 40: Faults Analysis
-PLUS Technical Manual If the discharge temperature is too low and the boot lubricating oil temperature of the oil separator is too low, it will also cause the refrigerant dissolves in the lubricating oil, which will not only cause the compressor bearing damage, and also make it easier for compressor oil loss. - Page 41 -PLUS Technical Manual 1. Bearing damage. 2. Compressor liquid compression. 3. The rotor is overheated & friction with the rotor or the shell. Abnormal vibration or noise 4. Oil loss causes poor lubrication. 5. The internal parts loose 6. Poor piping, without flexible stretch causing resonance 7.
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Page 42: Appearance And Functions
-PLUS Technical Manual 5. Appearance and functions 5.1 Appearance structure ■ External structure-single machine LB II -100~280-PLUS Low temperature screw compressor external structure... - Page 43 -PLUS Technical Manual LB II -360/410-PLUS Low temperature screw compressor external structure...
- Page 44 -PLUS Technical Manual No Parts LBII-100~180 LBII-100~180-P LBII-200~280 LBII-200~280-P LBII-360/410-P Motor liquid injection angle 1/4〞 1/4〞 1/4〞 1/4〞 1/4〞 valve Low pressure 1/4〞 1/4〞 1/4〞 1/4〞 1/4〞 detective valve Discharge temp sensor Discharge stop 1-1/2〞 1-1/2〞 2〞 2〞 2-1/2〞&3〞 valve High pressure 1/4〞...
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Page 45: Lbii-100~410-Plus Connector
-PLUS Technical Manual 5.2 LBII-100~410-PLUS Connector Note: The size in the table is fitted with bushing size Model Discharge Copper Steel Suction Copper Steel Economizer Main oil inlet Main oil return Motor liquid injection port -PLUS Φ22 (Welding) 3/8"（Φ9.7） 3/8"（Φ9.7） 1/4"（Φ6.5）... -
Page 46: Lbii-100~280-Plus Dimension
Suction Steel 4" Copper 3 1/8" 80.5 Discharge Steel 3" 90.2 LBII-410-P-PLUS Copper 3 5/8" Suction Steel 4" 5.3 LBII-100~280-PLUS Dimension HANBELL LBII-PLUS Model 1163.5 (275) 247.5 LBII-100 1199 (297) 255.5 402.5 LBII-140 LBII-180 1263 (297) 255.5 402.5 LBII-200 1410 (427) 270.3... -
Page 47: Lbii-100~280P-Plus Dimension
-PLUS Technical Manual 5.4 LBII-100~280P-PLUS Dimension HANBELL LBII-PLUS Model LBII-100-P 1004 129.5 (254) 163.5 1017 (241) 402.5 LBII-140-P LBII-180-P 1083 117.6 (241) 402.5 1186 112.5 (235) 449.5 LBII-200-P LBII-230~280-P 1218 112.5 (235) -
Page 48: Lbii-360/410-Plus Dimension
-PLUS Technical Manual 5.5 LBII-360/410-PLUS Dimension Model LBII-360 1137 384.5 342.5 1237 465.8 576.3 342.5 LBII-410... - Page 49 -PLUS Technical Manual 5.6 LBII-100~280-PLUS Dimension Parts Remark Parts Remark Discharge stop valve Oil inlet connector Safety valve plug Low oil level sight glass High pressure angle valve 1/4” Oil block pin Low pressure filling valve 1/4” Oil outlet connector Low pressure stop valve Angle valve 1/4”...
- Page 50 -PLUS Technical Manual 5.7 LBII-100~280-P-PLUS Dimension Parts Remark Parts Remark Angle valve 1/4” Plug Safety valve plug 1/2” NPT Motor temperature sensing hole Discharge stop valve Discharge check valve Solenoid valve Suction check valve Suction stop valve Oil circuit sight glass Filling valve 1/4”...
- Page 51 -PLUS Technical Manual 5.8 LBII-360/410-PLUS Dimension Parts Remark Parts Remark LB II 360: 2-1/2” Discharge check valve Economizer flange 1-1/8” LB II 410: 3” LB II 360: 2-1/2” Discharge stop valve Suction check valve 4” LB II 410: 3” Filling valve 1/4”...
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