TGC BC-90-1H is a specialized remote control for installations, primarily used with Towngas instantaneous gas water heaters
like the RBOX16R and RBOX16L series in Hong Kong [14, 18, 23]. Device Overview and Purpose
The BC-90-1H serves as a dedicated interface for managing water temperature safely within a bathroom environment [20]. It is designed to work in tandem with a "main" kitchen remote, allowing users to control their hot water settings from multiple locations [14, 20]. Key Features and Operation Based on the official User Instructions provided by Priority Control : Users must press the Priority button
to gain control of the heater. Once the indicator light is on, that specific remote dictates the temperature for the entire system [14, 20]. Temperature Adjustment The unit allows for a temperature range typically between 35°C and 60°C For safety, if the water is set to 50°C or higher , the "High Temp" indicator will light up [14, 20]. Preheating Cycle : This model includes a Preheat button
and indicator, allowing users to start a circulation cycle to ensure hot water is available immediately at the tap [20]. Safety Lockouts
: To prevent accidental scalding, if the priority control is not held by the bathroom remote, certain adjustments are restricted [14, 20]. Safety and Maintenance Professional Installation
: According to Hong Kong Gas Safety Regulations, all gas appliances and their connections—including these remote controls—must be installed by a Registered Gas Contractor typically provides a 3-year warranty
for residential customers, though this is voided by improper installation or misuse [23]. Error Codes
: The digital display on the BC-90-1H serves a dual purpose: it shows the set temperature during normal use and displays fault codes if the heater malfunctions [20]. Troubleshooting Common Issues Potential Cause No display Power supply issue Check if the heater is plugged in and turned on [17]. Priority light flashing Control cannot be transferred Wait for current water use to stop [14]. Temperature won't increase Set above 50°C tgc bc-90-1h manual
Some systems restrict upward adjustment from secondary remotes for safety [14]. or more detailed installation requirements for this model?
Page 18 explains how to use the BC-90-1H as a DC power supply. By holding the Mode and Start buttons simultaneously for 8 seconds, the charger enters a constant voltage supply mode. This is excellent for testing car stereos, lights, or DC motors without a battery.
If you are using the charger professionally, print the safety section of the TGC BC-90-1H manual and keep it posted near your charging station.
Ensure your battery is disconnected from the vehicle’s electrical system (remove negative terminal first). Clean any corrosion from the battery posts.
The TGC BC-90-1H is a powerful industrial charger that can resurrect deeply discharged batteries—or destroy a $500 battery bank in one night if misconfigured. The search for "tgc bc-90-1h manual" is not a wild goose chase; it is an essential safety step.
Until you locate the official document, do not leave the unit unattended while charging, monitor battery temperature with a laser thermometer, and never exceed 14.8V on a 12V battery.
If you have the original TGC BC-90-1H manual and want to help the community, consider scanning it and uploading to a free repository like Archive.org (respecting any copyright, of course).
Disclaimer: This article is for informational purposes only. The author is not affiliated with TGC. Always refer to the official manufacturer’s manual for exact specifications and safety instructions. Improper use of battery chargers can cause fire, explosion, or electric shock. TGC BC-90-1H is a specialized remote control for
The manual for the BC-90-1H focuses on safety clearances and initial stabilization. Key highlights include: Settling Period : It emphasizes letting the unit stand upright for at least 2 to 4 hours
before plugging it in to allow the refrigerant gases to settle after transport.
: To maintain cooling efficiency, the manual requires a minimum of 50mm-100mm
of space around the sides and back for proper ventilation, as it is a freestanding unit.
: It provides instructions on adjusting the front leveling feet to prevent vibration and noise. Performance & Control Temperature Range : The unit typically operates between
, managed via a mechanical thermostat dial located inside the cabinet. Cooling Type compressor-driven cooling
, which is more powerful than thermoelectric models but does produce a noticeable hum (approx. dB) during cycles. Auto-Defrost
: The manual confirms an automatic defrost cycle, preventing ice buildup on the back plate under normal conditions. Design & Capacity : The "90" in the model name refers to its gross capacity, fitting roughly 60 to 90 standard cans depending on shelf configuration. The “Supply Mode” (Power Supply Function) Page 18
: It features adjustable chrome-wire shelves. The manual illustrates how to reposition these to accommodate taller bottles or wine. Visibility
: It uses a double-glazed glass door and internal LED lighting to provide visibility while maintaining thermal insulation. Maintenance Tips
: Use a soft cloth with mild detergent; avoid abrasive cleaners that could damage the interior plastic lining. Condensation
: In high-humidity environments, some external condensation on the glass is normal; the manual suggests ensuring the door seal (gasket) is clean to minimize this. or finding a digital copy of the full manual?
However, I can guide you on how to approach finding or creating a manual for such a device:
If your charger is beeping or the display is flashing, the tgc bc-90-1h manual’s troubleshooting chapter is your best friend. Here are the most common codes:
| Error Code | Meaning | Solution from Manual | | :--- | :--- | :--- | | E01 | Reverse polarity | The clamps are on the wrong terminals. Swap red and black immediately. | | E02 | Short circuit / Bad cell | Battery likely has an internal short. Test with a multimeter; replace battery if necessary. | | E03 | Voltage too high (over 15V for 12V) | You selected the wrong voltage (e.g., 24V for a 12V battery). Turn off and reset. | | E04 | Voltage too low (under 2V) | Battery is sulfated or deeply dead. Try “Wake Up” mode (press and hold Start for 5 seconds). | | E08 | Over-temperature | Internal unit is too hot. Move to cooler location and let the fan run for 30 minutes. |
Search for the sibling models. Sometimes the BC-90-1H shares 90% of its DNA with the BC-60-1H or BC-120-1H. If you find a manual for a BC-90-2H (two-channel), the programming sequence might be nearly identical.
Pro tip: Use Google's PDF filter: "BC-90-1H" filetype:pdf. This eliminates blog posts and shopping links, showing only direct manual files.
