Navien
The Navien TL7002-WF is a Wi-Fi module for the PEM750 heat pump, supporting SG-Ready features, weather compensation, and remote control via the Navien HeatPump app.
The Navien PEM750_WiFi_Module_Installation_Manual covers the technical requirements and setup for the TL7002-WF Wi-Fi module. This accessory is designed exclusively for the Navien PEM750 monobloc air-source heat pump range. It enables advanced control via the Navien HeatPump app, providing engineers and end-users with remote monitoring capabilities. Key features include Smart Grid (SG) Ready integration and weather compensation management, ensuring the heating system operates at peak efficiency based on external environmental conditions.
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Full technical specifications extracted from the manufacturer brochure. Empty sections are hidden.
The Navien TL7002-WF is a dedicated Wi-Fi communication module designed specifically for the PEM750 monobloc air-source heat pump. As a critical accessory for modern system management, this module operates on a low-voltage DC supply of 3.0V to 3.6V, with a peak current consumption of 260mA. It is engineered for indoor installation within the heat pump's control housing, maintaining stable operation within a temperature range of 0°C to 40°C.
Integration of the TL7002-WF allows the PEM750 system to utilize weather compensation. By communicating with the Navien HeatPump app, the system adjusts flow temperatures dynamically based on outdoor ambient air data, which is essential for maintaining a high Seasonal Coefficient of Performance (SCOP). Furthermore, the module facilitates Smart Grid (SG) Ready functionality. This allows the heat pump to interface with smart meters or energy management systems to optimize electricity consumption, potentially shifting heavy load cycles to periods of lower tariff costs or high renewable availability.
For the installing engineer, the module is a plug-and-play component, but it requires precise configuration through the Navien HeatPump mobile application. The standard warranty for this accessory is 2 years, providing long-term reliability for the digital interface. While the PEM750 is a monobloc unit, the Wi-Fi module acts as the primary gateway for firmware updates and remote diagnostics.
The manual identifies specific diagnostic codes such as F2500 and F2560. While these appear as placeholders in the initial UI documentation, they represent the system's ability to report communication errors between the module and the main PCB. Engineers should ensure that the Wi-Fi signal strength at the installation point is sufficient to prevent intermittent connectivity, which can lead to these fault displays.
Beyond basic connectivity, the TL7002-WF supports quiet mode scheduling, which can be configured directly through the app interface. This is particularly useful for meeting MCS-020 planning requirements in noise-sensitive residential areas. By leveraging the app, users can monitor real-time energy usage and adjust heating curves without physical access to the heat pump's internal controller. This module is an essential upgrade for any PEM750 installation aiming for PAS 2030 compliance or general high-efficiency operation.
Every fault code listed in the manufacturer brochure, with likely causes and engineer actions. Each code has a permalink — paste a URL like https://www.boilertag.com/heat-pumps/navien/pem750-wifi-module-installation-manual#fault-f2500 to jump straight to the entry.
Patterns that group across the manufacturer's fault-code table. Each entry links to the full code listing further down the page.
Triggered by fault code F2500.
Common questions from engineers and homeowners about the Navien Wi-Fi Module and App (Only for PEM750).
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Specifications on this page are extracted from the manufacturer brochure. Always cross-check against the latest datasheet before commissioning or quoting. Last updated 30 April 2026.