Digital Programmer with Boost Control

The TRTD7N represents Timeguard's commitment to delivering intelligent energy control solutions that help electrical contractors provide genuine value to their customers. Purpose-built for Economy 7 off-peak electricity plans, this digital programmer combines professional performance with installer-friendly design to maximise energy savings while ensuring consistent hot water availability.

Designed for housing associations, student accommodation, and residential properties where energy efficiency is paramount, The TRTD7N eliminates the complexity of manual hot water scheduling while delivering the reliability that electrical contractors demand for zero call-back installations.

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Engineered as a direct replacement for Sangamo and Horstmann Economy 7 units, the TRTD7N simplifies upgrade installations while delivering enhanced functionality. The standard Economy 7 wall box compatibility means electrical contractors can retrofit existing installations without additional mounting hardware or electrical modifications.

This universal approach reduces installation time and inventory requirements while providing customers with improved digital control features and enhanced reliability. The Class I construction with comprehensive earth protection ensures safe operation across all residential and light commercial applications.

Featuring 10 pre-programmed tariff settings (0-9), the TRTD7N accommodates diverse Economy 7 timing schedules without complex manual programming. Up to three off-peak periods per 24-hour cycle can be utilised, ensuring maximum energy cost savings while maintaining hot water availability when needed most.

The easy-view digital display illuminates with a simple button press, providing clear programme confirmation and system status. Automatic GMT/BST changeover eliminates seasonal adjustments, while the comprehensive programme review and editing functions allow customisation to specific tariff requirements.

Compatible with single, dual, or twin element immersion heaters, the TRTD7N provides the flexibility electrical contractors need for diverse hot water system configurations. The double pole rocker switch ensures complete disconnection capability, while the 13A resistive switching rating handles standard immersion heater loads with professional reliability.

The intelligent boost control system offers three pre-programmed options (30 minutes, 1 hour, 2 hours) for instant hot water availability outside economy periods. The boost function automatically cancels if economy periods commence during boost operation, preventing unnecessary energy costs.

The TRTD7N's surface-mount design with multiple cable entry options accommodates various installation configurations. Clear terminal marking and comprehensive wiring diagrams simplify installation, while the robust polycarbonate construction ensures long-term durability in demanding environments.

The factory-fitted 2-year battery backup maintains all programme settings during power outages, eliminating reprogramming requirements after maintenance or supply interruptions. This professional-grade backup system provides the reliability that electrical contractors require for customer satisfaction.

The blue LED economy output light provides instant visual confirmation of off-peak operation, while the illuminated boost button surround clearly indicates manual boost activation. The backlit display automatically times out after 60 seconds to conserve energy while remaining instantly accessible when needed.

Sleep mode functionality preserves programme integrity during power removal, with automatic screen revival upon power restoration. This intelligent power management ensures consistent operation while minimising standby consumption.

Operating reliably from 0°C to 40°C with IP30 protection rating, the TRTD7N delivers consistent performance across diverse installation environments. The micro-disconnection ON control system ensures positive switching action, while the comprehensive safety compliance provides the peace of mind that electrical contractors expect from professional-grade equipment.

The 1-minute minimum switching time accommodates precise timing requirements, while the robust construction ensures long-term reliability in challenging applications where consistent hot water control is essential.

The TRTD7N Digital Economy 7 Programmer with Boost Control is available now with a 3-year guarantee, delivering the professional performance and energy management capabilities that electrical contractors need for successful Economy 7 installations.