Key facts
- Manuals
- 1
- Languages
- EN
- Last added
- 2023-10-26
Featured PRO1 manuals

PRO1 T955W Master Thermostat Installation Manual
This manual provides installation instructions for the PRO1 T955W Master Thermostat and its Base Module. It details requirements for a trained technician, including safety warnings regarding electrical hazards and mercury disposal. The guide covers proper mounting locations for both the thermostat and the base module to ensure optimal performance and avoid hazardous conditions.
Covers: Thermostat Applications Guide · Battery Power · Hardwire (Common Wire) · Master Thermostat Subbase Installation · Base Module Subbase Installation · Wiring
Latest PRO1 manuals
PRO1 T955W Master Thermostat Installation Manual
User Manual 19 pages · 1.7 MB · ENInstallation and programming instructions for the PRO1 T955W Master Thermostat, covering subbase wiring, communication setup, and system configuration.
Which document do I need?
User Manual
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in PRO1 manuals
Can the T955W be battery powered only?
Yes, but only if used as a stand-alone thermostat solution. If remote sensors are used, it must be hardwired.
What happens if communication is lost for 15 minutes?
The base module will turn off all relays until communication is reestablished.
