T686 Digital 3-Speed Square FCU Thermostat with Keycard Function — 220V Modern Design for Hotel, Villa & Apartment
Built-in Keycard Input
Direct keycard switch integration for automatic energy-saving mode. No external modules or complex wiring needed.
3-Speed Intelligent Fan
High/Med/Low fan speed with smart auto-mode. Guests enjoy perfect comfort; owners enjoy lower energy bills.
Square Design Language
Clean square profile with premium finish. Complements luxury hotel and contemporary residential interiors.
Simple Installation
Standard 86×86mm wall-mounted format. Clear terminal labeling for fast, error-free field wiring.
Multi-Scene Ready
One model serves hotels, villas, apartments, and offices. Reduce procurement complexity across mixed-use projects.
3-Year Full Warranty
Free spare parts and online support. Built on 16 years of Telin HVAC manufacturing excellence.
At a Glance
Product Overview
The T686 is Telin’s premium square-format digital thermostat, featuring integrated keycard functionality and 3-speed intelligent fan control. Designed for 2-pipe and 4-pipe fan coil units in upscale hotels, villas, and apartments, it combines sleek aesthetics with practical energy-saving automation — automatically switching to eco-mode when guests remove their keycard and leave the room.
Priced at $11-13 per unit with 3-year warranty, the T686 delivers hotel-grade smart features including built-in keycard input, 3-speed auto-mode fan control, and standard 86×86mm square installation. Full OEM/ODM customization is supported with Telin’s 16-year HVAC manufacturing quality assurance.
Product Features
🔑 Seamless Keycard Integration
The T686 accepts a direct keycard switch input — no relay modules, no external controllers, no complex wiring. When guests insert their card, the thermostat operates normally. When they remove it and leave, the T686 automatically switches to energy-saving mode, reducing HVAC costs by up to 30% without any guest interaction.
▢ Premium Square Aesthetic
Unlike conventional rectangular thermostats, the T686’s balanced square proportions were designed to complement upscale interior architecture. The clean lines, premium finish, and thoughtful button placement signal quality to guests from the moment they enter the room.
🎵 3-Speed Intelligent Mode
The built-in auto-mode intelligently switches between High/Medium/Low fan speeds based on the temperature deviation from setpoint. Maximum cooling power when needed, whisper-quiet operation once comfort is achieved — perfect for hotel guests sensitive to background noise.
🏠 Unified Multi-Property Standard
Hotel chains can standardize on the T686 across properties — from city-center business hotels to beachfront resorts. Identical interfaces, identical behavior, identical guest experience. Simplified procurement, reduced training, consistent brand delivery.
Product Parameters
⚡ Electrical
📏 Mechanical
🌡 Environment
Dimensions & Installation
Application Scenarios
The T686’s keycard function and square design make it the premium choice for hospitality environments demanding both aesthetics and automation.
Luxury Hotel
Square design and keycard energy saving deliver the premium guest experience five-star properties demand.
Private Villa
3-speed silent fan and elegant square form factor complement high-end residential automation systems.
Executive Office
Keycard-based presence detection eliminates wasted HVAC energy in unoccupied meeting rooms and private offices.
Ready to Discuss Your Project?
Get pricing, request samples, or consult our engineers about your custom HVAC control requirements.
Hubei Telin energy-saving equipment Co., Ltd (Production Base)
Add: No.1 Lingcheng Industrial Park, Lingxiang Town, Daye, Huangshi City, Hubei Province, China.
✉ sales@sztelin.com | ☎ +86 13410830001
