Using the wire nuts included with the thermostat: • Connect the ground wire from the power supply to the ground wire from the floor heating power lead. If the electrical box is metal, use a short length of wire to connect ground wires to the bonding screw. • Connect the white wire labeled LOAD 2 on the thermostat to the white (or blue for.. ALWAYS wire all circuits as Class 1, electric light & power circuits. ALWAYS mount the thermostat to a grounded electrical box. ALWAYS seek help if a problem arises. If ever in doubt about the correct installation procedure, or if the product appears to be damaged, the factory must be contacted before proceeding with the installation.
Excess power lead wire may be cut off, but leave about 6 to 8 inches (15 to 20 cm) of wire for connections. Removing the Thermostat Front Module 1. Remove the Screw Cover at the bottom and loosen the screw. 2. Lift the Front Module away from the Power Module. Wiring Connections (see Figure 1 and 2) Connect the wires as shown in the diagram.. Communication Wiring Pull 18 AWG to 24 AWG 2-conductor shielded wire through the wall from the SunStat Relay II location to this control location. This wire may be up to 100 feet (30 m) in length. Strip the wire ends 1/8" to 3/16" (3 mm to 4.5 mm) long. If the ends are stripped longer than this they may short-circuit.