Professional FAQs for Smart Energy Measurement & Central Air Conditioning Billing System
Choose ultrasonic type for clean water and household metering; select electromagnetic type for main pipelines and water with impurities for high-precision settlement.
TKD-F covers DN15~DN1000, suitable for household, park and geothermal energy station pipelines.
TKD-N energy valve integrates metering and electric regulation to control flow and measure cooling & heating energy for energy saving.
Electromagnetic heat meters and 4G wireless thermostats with strong anti-interference performance fit medical environments.
Electromagnetic heat meter is preferred for primary geothermal pipelines with good scale resistance.
Time thermostats for budget needs; energy heat meters for fair and accurate charging.
LoRa for centralized buildings; 4G thermostats for scattered shops and independent buildings.
W stands for wireless transmission, L for wired RS485 communication for different wiring conditions.
Special TKD-S600F thermostat supports speed regulation signals of DC brushless fans.
TKD-A/B time recorders detect fan gears and record operating hours.
TKD-X920 multi-functional touch terminal collects temperature, humidity and other data.
Threaded ultrasonic household heat meter features easy installation without pipe reconstruction.
Custom high-temperature sensors are required; standard models adapt to medium temperature below 95℃.
Energy valves, heat meters and cloud platforms all support pre-payment and power-off functions.
Yes, they need no pipe cutting to shorten construction period and cost.
Yes, the system can remotely adjust valve opening to balance pipe network flow automatically.
Matched time collectors convert fan operating data into energy consumption fees.
Integrated solution of electromagnetic heat meter, multi-functional terminal and energy cloud platform.
The whole meter reaches IP65 waterproof level for stable operation in humid environment.
100:1 turndown ratio ensures accurate measurement even under extremely low flow without blind area.
Flow and energy data will be disordered and energy accumulation fails.
Sensors must be placed in the pipe center; supply and return sensors cannot be exchanged.
10 times pipe diameter at the front and 5 times at the rear for stable full pipe measurement.
Yes, bubbles cause flow fluctuation; exhaust valves shall be installed at high points.
Standard sensor wire is 10 meters; customized shielded wires are needed for longer distance.
Wired models take power from fan coils; 4G wireless ones only need live wire and neutral wire.
Maintenance ball valves shall be installed on both sides for later maintenance and replacement.
Not recommended, to avoid electromagnetic interference from frequency conversion equipment.
Ultrasonic meters support all angles; electromagnetic ones are better installed horizontally.
Impurities will block sensors and shorten service life greatly.
Install waterproof boxes and seal wiring terminals tightly.
1km in open areas; add repeaters within 500 meters with wall barriers.
Reserve installation openings to avoid temperature measurement deviation.
Replace sealing gaskets and fasten flanges evenly.
Install meters after pipe flushing to prevent sensor scratch.
1.3 to 1.5 meters above ground for easy operation.
Standard wires resist 105℃; special high-temperature wires for ultra-high temperature
Yes, it leads to data disorder; check numbers before system entry.
Wrong wiring triggers protection and may damage main boards seriously.
Valves must be horizontal to avoid valve core jamming and regulation failure.
Energy metering mode, time conversion mode and energy valve control billing mode.
Yes, it supports differentiated prices for working days, weekends and overtime periods.
It supports balance early warning, overdraft limit and power-off delay protection.
WeChat mini-program supports real-time data checking, recharge and bill inquiry.
Monthly, quarterly and annual reports are available for property financial reconciliation.
Deviation within ±3% is reasonable; check valve leakage and installation problems for larger errors.
Built-in coefficient algorithm converts high gear operation into more equivalent duration.
Positive for cooling energy, negative for heating energy with independent statistics.
Local devices store 6-month data and automatically upload after network recovery.
Yes, complying with national two-part heating and cooling charging standards.
Background one-click parameter issuing limits cooling and heating temperature ranges.
Background supports account reset and refund record filing with full traceability.
Cloud SaaS platform manages hospital, park and office building projects centrally.
Standard API interfaces are provided for third-party system data docking.
It assists fresh air control to reduce ventilation energy consumption and improve comfort.
It assists fresh air control to reduce ventilation energy consumption and improve comfort.
Monthly energy-saving reports locate high-energy-consumption rooms and idle equipment.
The platform is compatible with both types to complete unified accounting and billing.
Basic cloud platform functions are free of additional communication service fees.
Encrypted cloud storage supports local data export and backup for compliance retention.
Battery exhaustion, water inflow or main board damage needs battery replacement or factory repair.
Broken communication lines, wrong device ID or offline gateway need troubleshooting.
Fully closed valves, reversed installation, pipe blockage or falling-off sensors.
Broken or damaged supply and return temperature sensors need matched replacement.
Broken fan gear acquisition lines fail to record operating duration.
Power supply failure, 485 circuit short circuit or valve core jamming.
Excessive distance or wall shielding requires signal repeaters.
Excessive air bubbles and shallow sensor installation need exhaust and re-fixation.
Slight corrosion can be repaired; severely damaged ones need integrator replacement.
The platform sends fault alarms via SMS and WeChat for rapid maintenance.
Pipe air blockage leads to data fluctuation; install exhaust valves and recalibrate.
Synchronize balance data via background instructions to recover power supply.
Send to metering institutions for verification and replace sensors beyond error range.
Internal leakage of end valves needs sealing valve maintenance and replacement.
Power off and restart; replace touch panels for frequent failure.
All energy metering products obtain CPA certificates for trade settlement use.
The whole company processes comply with ISO9001 with annual third-party audit.
According to JJG225 regulations, the verification cycle shall not exceed 6 years.
CPA certificates, test reports, ISO certificates and specialized enterprise certificates.
It has passed repeated review as Shenzhen specialized and sophisticated SME.



