Wireless systems are a cost effective and convenient solution to problems encountered during the installation of a standard wired thermostat.. The SCR should be wired in to replace hard wired room or programmable thermostats shown on the system or boiler wiring diagrams. Always check other manufacturers' instructions for compatibility.
WiFi Wireless Programmable Room Thermostat with Heating and Hot Water Control Installation Instructions 1. Installation Installation Safety Instructions The unit must be installed by a suitably qualified person in accordance with the latest IEE Wiring Regulations. Isolate mains supply before commencing installation.. Locate hooks at top of front part into top of back plate and lower into position and tighten retaining screws. Dimensions and Wiring See g. 4 for dimensions and diagram on page 45. g. 5 for wiring LED indicators Power on - Green Thermostat Output on - Red typ