The provided document is a user manual for the Zehnder ComfoClime 24 and ComfoClime 36, which are devices designed for comfortable indoor ventilation, heating, and cooling. The manual details the installation, configuration, and operation of the ComfoClime units via a dedicated mobile application, "ComfoClime Control."
Function Description
The Zehnder ComfoClime is an integrated climate control unit that provides heating, cooling, and ventilation functions to maintain optimal indoor air quality and temperature. It operates as part of a "ComfoNet" system, which can include other Zehnder devices like the ComfoAir Q. The device can be controlled through a smartphone application, offering both local (Bluetooth or direct WiFi) and network-based (home WiFi) connectivity options.
The core functions of the ComfoClime include:
- Heating and Cooling: The unit can actively heat or cool the indoor environment based on user-defined setpoints or automatic season detection. It utilizes a heat pump for thermal management.
- Ventilation: It integrates with the ComfoAir Q system to manage airflow, offering different fan speeds and ventilation modes (e.g., BOOST).
- Automatic Climate Control: In "Auto" mode, the ComfoClime automatically detects the season (heating, cooling, or intermediate) based on the "Tpma" (Prevailing Mean outdoor Air Temperature) and adjusts its operation accordingly. This intelligent control prevents rapid changes due to sudden weather shifts.
- User Profiles and Scenarios: The system supports various operational profiles (POWER, COMFORT, ECO) and predefined scenarios (NORMAL/DAY, SILENT/NIGHT, AT WORK, BOOST, PARTY, HOLIDAY, COOKING) to adapt to different user needs and schedules.
- Scheduler: A weekly scheduler allows users to program different profiles and scenarios for specific times and days, ensuring personalized climate control throughout the week.
Important Technical Specifications
While specific numerical technical specifications like power consumption or airflow rates are not explicitly detailed in the provided excerpts, the manual highlights several functional and operational parameters:
- Connectivity: The ComfoClime connects to a smartphone via Bluetooth for initial provisioning and then primarily through a home WiFi network for ongoing control. It can also generate its own local WiFi network for direct connection if a home network is unavailable.
- Temperature Setpoints:
- POWER mode: Default setpoint of 23°C for both heating and cooling.
- COMFORT mode: Heating setpoint of 21°C and cooling setpoint of 25°C.
- ECO mode: Heating setpoint of 19°C and cooling setpoint of 27°C.
- Manual Adjustment: Temperature setpoints can be manually adjusted within a range of 18°C to 28°C in advanced mode.
- Thermal Profiling: The system uses "Tpma" (Prevailing Mean outdoor Air Temperature) to determine the active season. Heating and cooling season thresholds are adjustable (though typically by service personnel).
- Knee Point: A Tpma value from which the setpoint curve linearly changes between heating and cooling setpoints.
- Reduction Delta: An offset value (in degrees) from the comfort line, used in "night mode" to decrease heating or increase cooling setpoints for energy saving. Setting this to zero maintains the same setpoint 24/7.
- Maximum Temperature in Cooling Mode: The upper limit for the cooling setpoint (e.g., 25°C for POWER mode, not increasable beyond this).
- ComfoAir Q Integration: The ComfoClime works in conjunction with the ComfoAir Q, allowing control over its fan speeds (three presets selectable via a circular icon) and monitoring of various temperatures (outdoor, supply, extract, exhaust, indoor).
- Firmware: The device supports firmware updates via the mobile application.
Usage Features
The ComfoClime is designed for user-friendly operation through its "ComfoClime Control" mobile application:
- App-Based Control: All configuration and daily operation are managed through the smartphone app, available on Google Play and Apple Store.
- Installation and Provisioning: The app guides the user through connecting the ComfoClime to their home WiFi or directly via Bluetooth/local WiFi. This includes naming the unit, assigning an address, and selecting an icon.
- Home Page: Provides an overview of the ComfoClime's status, including current mode (COOLING/HEATING), ComfoAir Q airflow preset, BOOST ventilation status, notifications, indoor/outdoor temperatures, and quick access to mode selectors (POWER, COMFORT, ECO), scenarios, and thermal profiler.
- Main Menu: Offers access to various sections of the app: Home, Your devices, Thermal profile, Scheduler, Apartment select, and Settings.
- "Your Devices" Page: Lists all connected ComfoNet devices, showing their model, size, and firmware version. Tapping on a device reveals detailed information and control options (e.g., adjusting ComfoAir Q fan speed).
- Working Modes: Users can select between "Auto" and "Manual" modes. In "Auto," the device operates based on predefined profiles (POWER, COMFORT, ECO). In "Manual," users can precisely set the temperature.
- Scenarios: Predefined operational modes (e.g., SILENT/NIGHT for low noise, AT WORK for reduced performance, HOLIDAY to turn off the heat pump) can be activated for specific durations or until a set end date.
- Scheduler: A weekly planner allows users to assign different scenarios to specific time slots across working days, weekends, or the entire week.
- Access Levels: The app offers different user profiles (Basic, Advanced, Installer) with varying levels of access to system parameters. "Basic" is for normal use, "Advanced" allows more detailed thermal profile adjustments (with a warning about potential detrimental effects), and "Installer" provides full access for authorized technicians.
Maintenance Features
The manual outlines several features related to the maintenance and troubleshooting of the ComfoClime:
- Firmware Updates: The "Your devices" page in the app allows users to check for and install new firmware versions for both the ComfoAir Q and ComfoClime units. The process involves downloading the firmware and then uploading it to the device.
- Soft Reset: The "Settings" menu includes a "Restart" option, which performs a soft reset of the ComfoClime, equivalent to unplugging and replugging the unit. This is recommended after firmware updates.
- WiFi Reconfiguration: In "Settings," users can assign a different WiFi network to the ComfoClime if needed.
- Notification System: The "Notification" page displays error messages, alarms, alerts, and advice from the unit. A red dot on the bell icon on the home page indicates new notifications.
- Error Codes and Solutions: A comprehensive table lists various error codes, the affected component (e.g., Airduino, ComfoAir Q, HP board, Inverter), a description of the issue, and the recommended solution, often advising to "Call Zehnder Service" for complex problems.
- Crashlytics: An option in "Settings" allows activating a service to send real-time crash reports, aiding in diagnostics and improvements.
- Installer Access: The "Installer" access level (password-protected) provides authorized technicians with deep access to parameters that affect the ComfoClime's behavior, facilitating advanced diagnostics and maintenance. Users are strongly cautioned against changing these values without proper authorization and expertise.
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