HUALIAN HVC-820S/2B - User Manual

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Content

Preface/Instruction .....................1

1. Product Description

1.1 Product Usage .............................. 2

1.2 Products Features ........................ 2

1.3 Operation Principle ....................... 2

1.4 Naming of the Model..................... 3

1.5 Main Components ......................... 4

2. Security

2.1 Preparation ................................... 6

2.2 Notice for Security ....................... 6

2.3 Operating Environment ................. 7

3. Carrying

3.1 Carton Packing ........................... 7

3.2 Wooden Case Packing ................. 7

4. Installation

4.1 Prerequisite for Installation ........... 8

4.2 Environment for Installation .......... 8

4.3 Filling oil ........................................ 9

4.4 Connecting Electric ..................... 10

4.5 Connecting Gas-filling System ... 11

4.6 Connecting Vacuum System ...... 12

5. Start and Operation

5.1 Control Panel .............................. 13

5.2 Power on ..................................... 15

5.3 Check the Turning Direction of the

Vacuum pump ........................... 15

6. Standard Operation and

Parameter Setting

6.1 Standard Operation .................... 17

6.2 Instruction of Controlling Program’s

Cycle ........................................... 18

6.3 Parameter Setting ....................... 20

6.4 Optimal Parameter ...................... 22

6.5 Packing Liquid Products ............. 22

6.6 Optimal Packing .......................... 23

7. Maintenance

7.1 Standard Maintenance Schedule 24

7.2 Vacuum Pump Maintenance ...... 24

7.3 Special Oil for Vacuum Pump .......... 27

7.4 Replace Teflon cloth and Flat Heating

wire ................................................... 27

7.5 Replace Silicon Strip ........................ 29

7.6 Replace Sealing Ring ...................... 30

7.7 List of maintained components ........ 30

8. Trouble shooting

8.1 Trouble shooting of the machine body

......................................................... 31

8.2 Trouble shooting of Vacuum Pump . 32

8.3 Trouble shooting of Solenoid Valve . 32

8.4 Trouble shooting of the Sealing

Device .............................................. 33

9. Technical Parameter

9.1 Parameter of A Series ..................... 34

9.2 Parameter of B Series ..................... 34

9.3 Parameter of C Series..................... 35

9.4 Parameter in Common .................... 36

10 Storage

10.1 Storage for short time ...................... 36

10.2 Storage for long time ....................... 36

10.3 Restart after storage ....................... 36

11 Diagrams

11.1 Diagram of Arch Vacuum Lid ........ 37

11.2 Diagram of Ultra-thin Vacuum Lid . 38

11.3 Diagram of Shallow Vacuum

Chamber ........................................ 39

11.4 Diagram of Flat Vacuum Chamber 40

11.5 Diagram of Housing ........................ 41

12 Electric Schematic Diagram

12.1 Electric Schematic Diagram of

Relay-controlling ............................. 42

12.2 Electric Schematic Diagram of

Computer Panel-controlling ............ 44

13 Diagram of Gas circuit ............. 45

Table of Contents

Questions and Answers

B
Brittany RuizAug 19, 2025
Why is the sealing failing or poor on my HUALIAN Kitchen Appliances?
- K
  Krista LeonAug 20, 2025
  If you're experiencing sealing failure or poor sealing with your HUALIAN Kitchen Appliances, several factors could be the cause. Ensure that the bags are correctly placed on the heating plates. The sealing time might be too long or too short, so adjust it accordingly. The heating temperature could be inappropriate; select the proper temperature. Check the silicon strip and Teflon cloth for damage or impurities, and clean or replace them if necessary. Also, make sure the inner side of the bag mouth is clean.
J
Jean HicksAug 21, 2025
How to improve vacuum speed on HUALIAN Kitchen Appliances?
- M
  Miranda RayAug 22, 2025
  If your HUALIAN Kitchen Appliances aren't achieving the best vacuum state or the vacuumizing speed is slow, check the following: Ensure the pump turning direction is correct, especially with three-phase power. Prolong the vacuumizing time. Inspect the oil level and condition, replacing the oil if it's insufficient or dirty, paying attention to the oil type and volume. Look for any pipe leakage and replace if needed. Verify that pipe contacts are secure. Examine the airbag or cylinder for leaks and fasten them. Replace the sealing ring if there's air leakage or if it's abrasive. Finally, replace the oil-mist filter if it's saturated.
A
abirdAug 25, 2025
Why my HUALIAN Kitchen Appliances doesn’t work?
- T
  Tara WilkersonAug 25, 2025
  If your HUALIAN Kitchen Appliances aren't working and the control panel displays nothing, first ensure the power plug is properly connected to the power socket. If that's not the issue, check the fuse of the main circuit and replace it with one of the same specification if it's burned out. Finally, examine the power switch for loose contacts and fasten, repair, or replace it as needed.
B
Barbara BrownAug 26, 2025
What to do if my HUALIAN Kitchen Appliances has sealing failure?
- A
  afranklinAug 26, 2025
  If you're experiencing sealing failure with your HUALIAN Kitchen Appliances, first, ensure that a proper heating temperature is selected. Adjust the sealing time, as it may be too long or too short. Verify that the vacuum level is higher than 0.6Mpa before sealing. Inspect the flat heating wire, heating transformer, heat-sealing valve and sealing contact for damage and replace or repair if necessary. Also check if the heat-sealing strip is blocked and repair it.
O
osmithAug 28, 2025
How to fix poor sealing on HUALIAN Kitchen Appliances?
- W
  waynehartmanAug 28, 2025
  If you're experiencing poor sealing with your HUALIAN Kitchen Appliances, try these steps: Clean or replace the silicon rubber if the silicon strip is damaged or has foreign matter attached. Clean or replace the Teflon cloth if it's damaged. Ensure the inner side of the bag mouth is clean. Fasten any loose flat heating wires. Adjust the cooling time if it's too short. Choose the proper temperature setting.
E
Erika SerranoAug 30, 2025
Why is the starting current too high in my HUALIAN Kitchen Appliances?
- L
  Louis StevensAug 30, 2025
  If the starting current or working current is too high in your HUALIAN Kitchen Appliances, check the pump oil level and type. If the pump oil is overflowing or the type is incorrect, adjust or replace it. If there's excessive viscidity due to low temperature, replace the pump oil with a proper one. Also, inspect the exhaust filter for blockage and clean or replace it.
M
michelle46Sep 1, 2025
What to do if control panel starts but HUALIAN Kitchen Appliances doesn't work?
- M
  Mark BrownSep 1, 2025
  If the control panel of your HUALIAN Kitchen Appliances starts up but the machine doesn’t work, check the micro switch of the vacuum lid to ensure it is in the correct position and not damaged; adjust or replace it if necessary. Make sure that the parameter setting is completed. If these steps don't resolve the issue, it could indicate an internal failure of the machine, and you should contact the supplier.
R
Richard StoneSep 3, 2025
Why does the pump overheat on my HUALIAN Kitchen Appliances?
- C
  chase56Sep 3, 2025
  If the pump overheats during operation of your HUALIAN Kitchen Appliances, examine and adjust the oil level, as either overflowing or insufficient oil can cause this. Also, ensure proper heat dissipation by cleaning the blade of the radiating pump and the motor to improve ventilation.
S
Sarah DawsonSep 5, 2025
How to resolve gas-filling failure on HUALIAN Kitchen Appliances?
- G
  grahamtheresaSep 5, 2025
  If you experience gas-filling failure or poor gas-filling with your HUALIAN Kitchen Appliances, adjust the filling time, as it may be too long or too short. Also, check if the air tank is empty or nearly empty and replace it if necessary.
D
Derek BrockSep 8, 2025
Why is there a strange noise coming from my HUALIAN Kitchen Appliances?
- J
  John RichSep 8, 2025
  If you notice strange noises during the operation of your HUALIAN Kitchen Appliances, it could be due to worn out or loose driving components; locate the broken parts and repair them. Also, ensure the turning direction is correct, especially if it's a three-phase power system.

Summary

1.5 Main Components

Main Components

Illustrates and labels the primary parts of the vacuum packing machine.

2. Security

2.1 Preparation

2.2 Notice for Security

Lists crucial safety precautions for operation and maintenance.

2.3 Operating Environment

4. Installation

4.1 The Prerequisite of Installation

Essential requirements and safety checks before installing the machine.

4.2 Installation Environment

4.3 Filling Oil

Step-by-step guide on how to properly fill the vacuum pump with oil.

4.4 Connecting electric

Instructions for safely connecting the machine to the electrical power supply.

5. Start and Operation

5.1 Control Panel

Overview and functions of the machine's control panel buttons and indicators.

5.2 Power on

5.3 Check the turning direction of the motor

How to verify the correct rotation direction of the vacuum pump motor.

6. Standard Operation and Parameter Setting

6.1 Standard Operation Procedure

Step-by-step guide for the standard operating procedure of the machine.

6.2 Program controlling cycle instruction

6.3 Parameter Setting

Guidance on setting various operational parameters for optimal performance.

6.4 Optimal parameter

Recommended parameter settings for vacuumizing, sealing, and cooling.

7. Maintenance

7.1 Standard Maintenance Schedule

Outlines a schedule for daily, weekly, and periodic maintenance tasks.

7.2 Vacuum pump maintenance

Detailed procedures for maintaining the vacuum pump, including oil and filter.

7.3 Special oil for vacuum pump

7.4 Replacing Teflon cloth and flat heating wire

7.5 Replacing silicon strip

7.6 Replace Sealing Ring

8. Trouble shooting

8.1 Trouble shooting of the machine body

Common issues with the machine body and their solutions.

8.2 Trouble shooting of the vacuum pump

Common problems related to the vacuum pump and their resolutions.

8.3 Trouble shooting of the valve

8.4 Trouble shooting of the sealing device

Solutions for common problems with the sealing mechanism.

12. Electric Schematic Diagram

12.1 Electric Schematic Diagram of Relay-controlling

12.2 Electric Schematic Diagram of Computer Panel-controlling

13. Diagram of Gas circuit (take A series as an example)

HUALIAN HVC-820S/2B Specifications

General

Model	HVC-820S/2B
Category	Kitchen Appliances
Type	Vacuum Packaging Machine
Sealing Length	820 mm
Sealing Width	10 mm
Vacuum Pump Capacity	20m³/h
Power Supply	380V/50Hz
Number of Doors	1
Material	Stainless Steel

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