HOMCOM Electric Oil Heater

Product Characteristic

Thank you for choosing our oil heater. Please read the instruction carefully before use and save it for future reference.

The electric oil heater manufactured by our company uses tubular elements as the heat source, high-efficiency permanent heat-conducting oil as the medium, dissipates heat through the heat sink, and uses air circulation to increase the room temperature. The electric heating oil heater has the characteristics of convenient use, safety, beautiful appearance, quiet operation, and no electromagnetic interference. It is suitable for scientific research, hospitals, hotels, exercise rooms, bedrooms, and other places. It makes your room or office more warm and comfortable in the cold season.

Product Structure

Figure 1: Product Structure

The product consists of the following parts:

• 1. Control Box
• 2. Control Panel
• 3. Display Panel
• 4. Button
• 5. ON-OFF Switch
• 6. Cord Storage
• 7. Body
• 8. U Screw
• 9. Castor

Instructions for Use

Installation Method

1. Remove the heater and all parts from the packaging box.
2. Turn the heater upside down, position the castor board between the end fins. Attach them to the U-bolts on the heater and tighten using the wing nuts provided, as shown in Figure 2.
3. Turn the heater right-side up.

Check Before Start

1. The power line should not be damaged or show fracture phenomena.
2. Please ensure the parameters required by your power and the heater nameplate match. Verify that the power outlet current rating meets the requirements and has a safety ground, or replace the outlet.

Control Panel Overview

Figure 3: A Schematic View of The Control Panel

The control panel includes:

• Timing Light: Indicates timer setting.
• Appointment Light: Indicates reservation setting.
• Display Window: Shows temperature and time.
• Mode: Button to cycle through heating modes (Hi, Med, Low, ECO).
• Power Off: Turns the heater off.
• Minus [▼]: Decreases temperature or time.
• ON/OFF: Main power switch.
• Power Light: Indicates power is on.
• ECO Light: Indicates ECO mode is active.
• Anti-frost Light: Indicates anti-frost function is active.
• Gear Light: Indicates heating gear/mode.
• Power On: Turns the heater on.
• Plus [▲]: Increases temperature or time.

Operation

1. Power On/Standby: Plug in the power cord and turn on the main mechanical switch. The power icon light will illuminate, and the product enters standby mode.
2. ON/OFF Switch: Acts as the main power switch. After shutdown, the machine remembers the previous state (except for the timer function).
3. Temperature Setting: In power-on state (without timing), press [up arrow] and [down arrow] to select the set temperature. The setting range is 7-35°C (default 24°C). In Fahrenheit mode, the range is 45-95°F (default 75°F).
4. Celsius/Fahrenheit Conversion: In power-on state, press and hold the [up arrow] and [down arrow] buttons simultaneously for 5 seconds to switch between Celsius and Fahrenheit modes. Both modes have a memory function.
5. Appointment/Timer: Press the reservation (or timer) button to enter time setting. The reservation lamp (or timer lamp) will flash. Use the [plus] and [minus] keys to adjust the time. Confirmation occurs automatically after 5 seconds of inactivity, or by pressing the confirmation button. The reservation lamp (or timer lamp) will remain continuously lit once set. Scheduled power-on and power-off can be set simultaneously, following a first-confirmation, first-execution principle.
6. Mode Selection: Press the Mode button to switch heating modes. The default is 'Hi' on first power-on. The sequence is Hi → Med → Low → ECO → Hi, cycling through.
7. Tipping Function: If the heater tilts less than 30 ± 5 degrees from horizontal, the display will show "Eo", and all outputs will turn off. If it tilts more than 70 ± 5 degrees, the previous working state will be restored.
8. Anti-frost Function: In standby, if the ambient temperature is below 5°C (41°F), the mid-range heating automatically turns on. Heating stops when the temperature exceeds 7°C (45°F). When active, the ON/STANDBY key flashes, and the display shows the room temperature.

Supplementary Explanation

1. When the machine is in reservation state, only the reservation mark and time content are displayed. Pressing the 'mode' key or [up/down arrow] keys will display the corresponding mode or adjust temperature, respectively. These functions will exit after 5 seconds of inactivity.

2. If there is no operation for 3 minutes in working state, the screen will automatically dim. Pressing any button will wake the screen. The reservation state does not dim the screen; the reservation icon and remaining time are always visible.

3. If the sensor is short-circuited, "EH" will flash. If open, "EL" will flash.

4. Temperature control logic:

• When the machine works in ECO mode:
  • If ambient temperature (t) < set temperature (T): Heating is 'Hi'.
  • If ambient temperature (t) = set temperature (T): Heating is 'Hi'.
  • If ambient temperature (t) is between T and T+1: Heating is 'Mid'.
  • If ambient temperature (t) > T+1: Heating is 'Off'.
• When the machine works in Hi, Med, and Lo modes:
  • If ambient temperature (t) < set temperature (T): Heating is 'Hi/Med/Low' (depending on selected mode).
  • If ambient temperature (t) = set temperature (T): Heating is 'Hi/Med/Low'.
  • If ambient temperature (t) > T+1: Heating is 'Off'.

Cleaning and Maintenance

1. Avoid scratching or damaging the surface coating to prevent rust.
2. When not in use for an extended period, clean the electric heater with a soft cloth and store it in the original packing box.

Important Notes

1. Read all instructions before using the heater.
2. To prevent overheating, do not cover the heater.
3. The heater cannot be located immediately below an electrical outlet or electrical outlet.
4. The heater is not suitable for humid environments (e.g., bathrooms) or places prone to water splashes. Prevent water from entering the control box. Do not use in environments with flammable or explosive gases.
5. If the power cord is damaged, it must be replaced by the manufacturer, its service agent, or similarly qualified professionals with the same type of cord to avoid danger.
6. The heater should be filled with a precise amount of professional HTF (Heat Transfer Fluid). Opening the fins for repair must only be done by the manufacturer or service personnel. Contact them in case of oil leaks.
7. Scrapped heaters must be disposed of according to relevant oil processing regulations.
8. When using the heater, place it on a smooth surface. Do not turn or tilt it during use.
9. Do not place clothes, towels, or other items directly on the heater for drying.
10. After use or when unattended, turn off and unplug the heater. Do not turn on or off by pulling or plugging the power cord.
11. Clean the heater after turning it off and unplugging it, and allow it to cool down.
12. When the heater is working, ensure the power cord does not contact the body.
13. In case of unusual circumstances (e.g., heater not working), turn off the heater immediately and send it to the nearest designated repair point for professional inspection. Do not attempt disassembly or replacement of parts yourself.
14. Do not use electric heaters and other appliances in the same outlet or circuit to prevent circuit overload or fire.
15. Do not use an extension cord.
16. Do not use automatic power programs, timers, or any other external devices to control the heater.
17. Do not insert hands, sticks, or other objects into the heater's apertures to prevent accidents.
18. When using the heater, to avoid burns, do not let bare skin directly contact the heating surface. Use the handle when moving the heater.
19. Keep combustible materials such as towels, clothing, bed sheets, bedding, and curtains at least 1 meter away from the heater. Protect furniture from thermal deformation or discoloration.
20. Ensure there are no obstructions or unstable hanging objects within 1 meter from the top of the heater.
21. When children are present, supervise them and prevent them from touching the heater to avoid unnecessary damage.
22. When using the heater, avoid frequent switching of windows and doors, as it affects heating efficiency.
23. Do not use the heater outdoors.
24. Keep the product specifications; do not discard them.

Important Notes for UK Users

A. Do not use two high-power appliances in the same socket.

B. The plug needs to be plugged in fully.

C. Product sockets cannot use extension cords.

The socket must conform to BS1363, and the maximum withstand current value must be greater than 13A.

Electrical Schematic Diagram

Figure 5: Product Electrical Schematic Diagram

The diagram illustrates the electrical connections, including:

• Power Plug (connected to L and N lines)
• Indicator Light
• Thermal Link
• Switch
• NTC (Negative Temperature Coefficient sensor)
• PCB (Printed Circuit Board)
• Fall Switch (safety tilt switch)
• ACN (Neutral connection)
• Heater 1 and Heater 2 (heating elements)
• Non-adjustable thermostat

These components are interconnected to manage the heater's operation and safety.

Main Technical Parameters

The following table lists the main technical specifications for various models:

Contact Information

If you have any questions, please contact our customer care center.

Phone: 0044-800-240-4004

Email: enquiries@mhstar.co.uk

Importer Address:
MH STAR UK LTD
Unit 27, Perivale Park,
Horsenden lane South
Perivale, UB6 7RH
MADE IN CHINA