High‑Efficiency AC Air Conditioner (Fixed‑Speed Series)
Engineered for telecom base stations, our AC air conditioners are available in 500 W and 3000 W cooling capacities. They ensure stable operation of sensitive electronics in harsh outdoor environments. Featuring robust scroll compressors, wide‑voltage tolerance, and intelligent defrost control, they deliver reliable 24/7 cooling. Compact and corrosion‑resistant, they suit cabinets, shelters, and remote radio units. Energy‑efficient with eco‑friendly R32 refrigerant, they lower OPEX while protecting critical network infrastructure.
Key Design Highlights
Dual‑fan redundant airflow – both models have two independent fans; if one fails, the other continues to provide partial cooling.
Intelligent controller – microprocessor‑based with PID logic, supports RS‑485 (Modbus) and SNMP for remote monitoring, alarm reporting, and automatic restart after power recovery.
Corrosion‑resistant construction – condenser coils coated with epoxy resin; cabinet made of galvanised steel with powder‑painted finish (IP54 rated).
Integrated heater option – for cold‑start scenarios, an optional electric heater maintains battery temperature above 10 °C.
Easy maintenance – front‑access panels for filter cleaning and compressor replacement; washable nylon air filters (MERV‑8).
Safety protections – over‑current, over‑temperature, high‑pressure, and low‑pressure cut‑offs; built‑in surge protector (Class II).
n Thermal cycle and air flowing
Cooling: the high-pressure refrigerant liquid in the system enters the evaporator and evaporates to absorb heat of the air in the cabinet, so the air is cooled, and the refrigerant that evaporates into gas in the evaporator is inhaled by the compressor and compressed into the high-pressure and high-temperature refrigerant gas, which enters the condenser and cooled to refrigerant liquid, and then re-enters the evaporator to cool the indoor air, and circulates accordingly
Standard Models
Order Code Model Cooling Capacity Power Supply Description
TC‑500‑A TC‑500 500 W 220‑240 V / 50 Hz AC Compact unit for outdoor cabinets, RRUs, and small enclosures (≤ 0.5 m³). Includes R32 pre‑charge, dual fans, and IP54 enclosure.
TC‑3000‑A TC‑3000 3000 W 220‑240 V / 50 Hz AC High‑capacity unit for base station shelters and equipment rooms (2‑4 m³). Includes R32 pre‑charge, dual fans, and IP54 enclosure.
Other voltage/frequency options (e.g., 110‑120 V / 60 Hz) are available on request – please consult sales for custom ordering.
Optional Accessories
Order Code Accessory Compatibility Remarks
ACC‑HEAT‑T5 Electric heater kit (500 W) TC‑500 Maintains battery temperature above 10 °C in cold climates
ACC‑HEAT‑T30 Electric heater kit (1000 W) TC‑3000 For low‑temperature start‑up
ACC‑RS485 RS‑485 Modbus communication module Both models Enables remote monitoring and alarm reporting
ACC‑SNMP SNMP adapter (Ethernet) Both models For network‑based management systems
ACC‑FILTER‑P Spare washable nylon filter (MERV‑8) Both models Pack of 2 filters
ACC‑BRACKET‑W Wall‑mounting bracket set Both models Includes bolts and wall plugs
ACC‑BRACKET‑R 19″ rack‑mounting kit Both models For standard EIA racks
ACC‑SURGE External surge protector (Class II) Both models Add‑on for extra lightning protection
Packaging & Shipping Information
Model Packing Dimensions (H×W×D) Gross Weight Units per Pallet
TC‑500 650×400×280 mm 22 kg 16 units
TC‑3000 950×650×420 mm 52 kg 6 units
Packaging contents: Main unit, mounting brackets, user manual, quick‑start guide, remote control (if applicable), and connection cable set.
Shipping: All units are individually boxed with foam padding. Export cartons are reinforced with corner protectors.
Minimum Order Quantities (MOQ)
Standard models (TC‑500‑A / TC‑3000‑A): 1 unit (sample order accepted)
Accessories: 1 set per accessory code
Bulk orders (≥ 20 units): Customised logo and box printing available upon request.
Warranty & After‑sales Support
Standard warranty: 5 years for the complete unit, 8 years for the compressor (from date of shipment).
Extended warranty options (up to 10 years) are available – contact your sales representative for pricing.
Spare parts (compressors, fans, controllers, filters) can be ordered separately using the same model prefix (e.g., SP‑COMP‑T5 for TC‑500 compressor). A full spare parts list is provided in the technical manual.
How to Order
Select the standard model (TC‑500‑A or TC‑3000‑A).
Add any required optional accessories using their order codes.
Specify destination country and preferred shipping terms (EXW, FOB, CIF, etc.).
Send your purchase order to our sales team via email or your local distributor.
Delivery lead time: 2‑3 weeks for stock models; 4‑6 weeks for custom voltages or bulk orders.
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