Tgc Bc901h Manual 【No Login】

TGC BC-90-1H (often referenced as BC901H) is a wired remote control used for TGC (Towngas)

instantaneous gas water heaters in Hong Kong. It allows users to control water temperature and system functions from the bathroom. www.towngasappliance.com Core Functions & Controls On/Off Button

: Powers the heater on or off. When turned on, the temperature display and operation indicators light up. Priority Button & Indicator

: Used to gain control over the system when multiple remotes (e.g., kitchen and bathroom) are installed. Priority Indicator lights up when that specific remote has control. tgc bc901h manual

If the indicator is flashing, control cannot be transferred because the heater is currently in use. Temperature Adjust Buttons buttons to set the desired hot water temperature. : Typically adjustable from 35°C to 60°C High Temp Warning High Temperature Indicator lights up if the setting is 50°C or higher to warn against scalding. Preheat Button (Optional)

: On compatible models, this activates a circulation function to ensure hot water is available immediately at the tap. www.towngasappliance.com Status & Operation Indicators Green Light : Indicates the heater is in Yellow Light : Indicates the heater is currently and burning gas. Digital Display : Shows the set temperature or Error Codes if a malfunction occurs. www.towngasappliance.com Troubleshooting Common Issues Potential Cause / Action No Hot Water

Check if the gas supply valve is open and power is connected. Cannot Change Temp Ensure the light is on for your remote. Error Code Displayed Note the number (e.g., "11" for ignition failure) and call Towngas Customer Service Low Water Flow Check the shower head or cold water filter for blockages. Safety & Maintenance Tips Avoid Scalding TGC BC-90-1H (often referenced as BC901H) is a

: Always test the water temperature with your hand before stepping into the shower. : Wipe the remote with a soft, damp cloth. Do spray water directly onto the unit or use solvents. Long Absence

: If the heater hasn't been used for over a week, run the hot water for at least one minute to flush the pipes before use. www.towngasappliance.com For complete official documentation, you can refer to the TGC User Instructions provided by Towngas Appliance www.towngasappliance.com Are you seeing a specific error code on your remote display that you need help deciphering?

Step 4: Powering On

Restore power at the breaker or power supply.
The display should flash “888” then show a default temperature (e.g., 72°F).
If nothing appears, check your power source and terminal screws.

Q3: What is the warranty period for the TGC BC901H?

Typically 12 months from purchase. Some industrial versions have a 24-month warranty. The manual contains the warranty card or registration instructions. Step 4: Powering On

Overview

A downloadable, searchable, and annotated user manual for the TGC BC901H device that helps users set up, operate, troubleshoot, and maintain the product quickly.

6. Step‑by‑Step: Charging a 12V Lead‑Acid Battery

Connect battery.
Power on – LCD shows “Battery type?”
Press Mode → select Pb (use ▲/▼).
Set Voltage = 12V.
Set Current (recommended 0.1C to 0.3C of battery Ah). Example: 50Ah battery → 5A.
Set Cutoff voltage (default 14.4V for AGM/GEL, 14.7V for wet).
Press Start.
Display shows: voltage, current, Ah delivered, elapsed time, internal temperature.
When done, buzzer sounds and “Full” appears.
Press Stop → disconnect battery → power off.

Chapter 1: Safety Instructions

Do not charge frozen or damaged batteries.
Ensure adequate ventilation—hydrogen gas is explosive.
Connect positive (red) to positive, negative (black) to negative. Reverse polarity will blow internal fuses or trip protection circuits.
Use grounded electrical outlets only.

Problem 2: The Charger Keeps Restarting

Cause: Poor battery connection or a "smart" battery management system (BMS) cutting off.
Fix: Clean and tighten clamps. For lithium batteries with a BMS, try a "wake-up" mode if available. Otherwise, bypass the BMS temporarily (not recommended for beginners).

Understanding the Display I/S (Icons):

Flame icon → Heating active.
Snowflake icon → Cooling active.
Clock icon → Program schedule enabled.
Battery bars (if applicable) → Charge level.
ERR → Fault condition (see Section 6).

Where the Manual Falls Short (The Cons)

1. No Torque Specs for V-Wheels
The manual says “adjust eccentric nuts for smooth motion” but doesn’t give a method. You’re left guessing “tight enough but not binding.” A simple “turn until wheel just stops spinning freely” would have helped.

2. Controller Software Section is Barebones
It lists Candle and GRBLController as options, but only gives a one-paragraph install guide. No screenshots of homing, setting zero, or loading g-code. You’ll need YouTube for that.

3. Spindle Speed (PWM) Missing Key Detail
The manual says “connect spindle to PWM pin 11” but doesn’t explain the S-value mapping (e.g., S1000 = 10,000 RPM?). I had to test with M3 S500 / S1000 to figure out that S0=off, S1000=full 12,000 RPM.

4. No Troubleshooting Flowchart
Common issues like “spindle won’t start” or “steps missing on Y-axis” are not covered. You get a FAQ table with only 4 entries. For a new user, that’s frustrating.