소개
This manual provides essential information for the installation, operation, and maintenance of your Trane ComfortLink II XL850 Communicating System Thermostat. The XL850 is designed for use with American Standard and Trane AccuLink communicating HVAC systems only. It features a touchscreen interface and includes an embedded Z-Wave Static Controller for remote control capabilities within a Z-Wave network.
Please read these instructions thoroughly before proceeding with installation or operation to ensure proper function and to avoid potential damage or injury. This thermostat is a sophisticated component designed for professional installation.
중요한 안전 정보
- 전기적 위험: Disconnect power to the HVAC system at the main service panel before installing or servicing this thermostat. Failure to do so may result in electrical shock or equipment damage.
- 전문 설치 권장: Installation and wiring should be performed by a qualified HVAC technician. Incorrect wiring can damage the thermostat and HVAC system.
- 시스템 호환성: This thermostat is designed exclusively for communicating HVAC systems. It is not compatible with non-communicating systems. Verify your system type before installation.
- 처분: Dispose of the product and any batteries according to local regulations.
패키지 내용
설치를 시작하기 전에 모든 구성 요소가 있는지 확인하세요.
- 트레인 컴포트링크 II XL850 온도 조절기
- 장착 플레이트
- 장착 하드웨어(나사, 앵커)
- USB Cable (for potential future updates or accessories)
- 설치 가이드(본 문서)

Image: The Trane ComfortLink II XL850 thermostat unit, its mounting plate, and included accessories such as a USB cable, as typically found in the product packaging.
설치
설치 전 단계
- 전원 끄기 : Turn off power to your heating and cooling system at the circuit breaker or fuse box.
- 기존 온도 조절 장치 제거: Carefully remove your existing thermostat from the wall. Note the wiring connections if applicable, though communicating systems use specific wiring.
- 위치: 직사광선, 통풍구, 열원에서 멀리 떨어진 실내 벽의 중앙 위치를 선택하세요.
온도 조절기 장착
- Separate the mounting plate from the thermostat unit.
- Position the mounting plate on the wall and mark the screw holes.
- Drill pilot holes if necessary and secure the mounting plate to the wall using the provided screws. Ensure it is level.
Wiring (Communicating Systems Only)
The XL850 is designed for Trane/American Standard communicating systems. These systems typically use fewer wires than conventional systems, often requiring only four wires for communication and power. Refer to your HVAC system's specific wiring diagram for precise connections.
- 저용량 연결tage wires from your HVAC system to the corresponding terminals on the thermostat's mounting plate. Ensure secure connections.
- Double-check all wiring connections for accuracy before proceeding.

Image: The rear of the Trane ComfortLink II XL850 thermostat, displaying the terminal block for wiring connections and internal circuitry. The mounting plate is shown detached.
Attaching the Thermostat Unit
Once wiring is complete and verified, carefully align the thermostat unit with the mounting plate and snap it into place. Ensure it is securely fastened.
전원 켜기
Restore power to your HVAC system at the circuit breaker. The thermostat should power on and begin its initial setup sequence.
설정 및 구성
Upon initial power-up, the XL850 will guide you through a setup wizard. Follow the on-screen prompts to configure basic settings.
초기 설정 마법사
- 언어 선택: 선호하는 언어를 선택하십시오.
- 날짜 및 시간: 현재 날짜와 시간을 설정합니다.
- 시스템 유형: The thermostat will typically detect your communicating HVAC system automatically. Verify the detected system type (e.g., Heat Pump, Furnace with AC).
- 위치 정보: Enter your location for accurate weather data (if connected to Wi-Fi).
Z-Wave Network Integration
The XL850 includes a Z-Wave Static Controller, allowing it to be integrated into a Z-Wave smart home network for remote control via platforms like Nexia Home Intelligence.
- Access the Z-Wave setup menu on the thermostat (refer to the on-screen menu for exact navigation).
- Initiate the 'Add Device' or 'Include' process on your Z-Wave controller.
- Follow the thermostat's prompts to join the Z-Wave network.
- Once successfully paired, the thermostat can be controlled remotely through your Z-Wave hub's interface.
작동 지침
The XL850 features an intuitive touchscreen interface for easy control of your home's climate.

이미지: 앞면 view of the Trane ComfortLink II XL850 thermostat, illustrating its physical dimensions: approximately 5 3/8 inches wide and 3 3/8 inches high.
메인 화면 종료view
The main screen typically displays the current temperature, setpoint, system mode, and fan status. Touch icons to access different functions.
설정 온도
Touch the temperature display or the up/down arrows on the screen to adjust the desired temperature setpoint.
시스템 모드 선택
Tap the 'Mode' icon to cycle through available operating modes:
- 열: The system will only heat to maintain the setpoint.
- 시원한: The system will only cool to maintain the setpoint.
- 자동: The system automatically switches between heating and cooling to maintain the setpoint.
- 끄다: 난방 및 냉방 시스템이 꺼져 있습니다.
팬 제어
Tap the 'Fan' icon to select fan operation:
- 자동: 팬은 난방 또는 냉방 시스템이 작동 중일 때만 작동합니다.
- 에: 팬은 난방이나 냉방 호출에 관계없이 계속 작동합니다.
스케줄링
Access the 'Schedule' menu to program custom temperature settings for different times of the day and days of the week. This allows for energy savings and comfort optimization.
고급 설정
The 'Menu' or 'Settings' icon provides access to advanced configurations, including Wi-Fi setup, display preferences, service reminders, and system diagnostics.
유지
The Trane ComfortLink II XL850 thermostat requires minimal maintenance.
- 화면 청소: 부드러운 d를 사용하세요amp cloth to clean the touchscreen. Avoid abrasive cleaners or sprays directly on the screen.
- 공기 필터 교체 알림: The thermostat can be configured to remind you when it's time to change your HVAC system's air filter. Follow your system manufacturer's recommendations for filter replacement.
- 소프트웨어 업데이트: If connected to Wi-Fi, the thermostat may receive automatic software updates to improve performance and add features.
문제 해결
If you encounter issues with your XL850 thermostat, try the following steps:
| 문제 | 가능한 원인 | 해결책 |
|---|---|---|
| 온도 조절 장치에 전원이 들어오지 않거나 화면이 꺼집니다. | No power to HVAC system; incorrect wiring. | Check circuit breaker for HVAC system. Verify wiring connections are secure and correct for a communicating system. |
| HVAC 시스템이 온도 조절 장치에 응답하지 않습니다. | Incorrect system configuration; communication error. | Ensure system type is correctly configured in settings. Check for any error messages on the screen. Power cycle the HVAC system and thermostat. |
| 온도 측정값이 정확하지 않은 것 같습니다. | Thermostat location issues; sensor calibration. | Ensure thermostat is not in direct sunlight or near heat/cold sources. Consult a professional for sensor calibration if needed. |
| Z-Wave 네트워크에 연결할 수 없습니다. | Z-Wave controller not in inclusion mode; interference. | Ensure your Z-Wave controller is actively searching for new devices. Move the thermostat closer to the controller if possible. Refer to your Z-Wave controller's manual. |
If problems persist, contact a qualified HVAC service technician.
명세서
- 모델 번호: TCONT850_v4 (also known as CNT04838 / CNT-4838 / ACONT900)
- 상표: 트레인
- 제어 유형: 터치스크린
- 백라이트: 예
- 연결성: Communicating System, Z-Wave
- 무게: 약 1파운드
- 치수: Approximately 5 3/8 inches (W) x 3 3/8 inches (H)
보증 및 지원
This Trane ComfortLink II XL850 Thermostat is an American Standard / Trane OEM component and typically comes with a factory warranty. Specific warranty terms and duration are provided by the manufacturer. Please retain your proof of purchase for warranty claims.
Due to the specialized nature of this communicating thermostat, it is generally considered a non-returnable item once installed. For technical support, warranty inquiries, or professional service, please contact your authorized Trane or American Standard dealer or a qualified HVAC professional.

Image: An 'OEM Component' stamp, signifying that the product is an Original Equipment Manufacturer part, ensuring compatibility and quality.





