Honeywell T874A-F - Manuals

2 60-1165—6 Fig. 1—Installation of subbase on outlet box. 2. Pull electrical wires through the cover plate (if used) and subbase cable opening (Fig. 3). See Wiring theSubbase section before pulling any wires. IMPORTANT: Use 18 gauge, color-coded thermostat cable for proper wiring. For a wall install...

3 60-1165—6 3. Firmly tighten each terminal screw.4. Fit wires as close as possible to the subbase. Push excess wire back into the hole. 5. Plug hole with nonflammable insulation to prevent drafts from affecting the thermostat. Fig. 5—Jumper RC and RH for single trans-former system. Strip wire 3/4 i...

8 60-1165—6 Fig. 16—Typical Q674 terminal designations. The thermostat and subbase used determines the numberof system components controlled. TEMPERATURE LEVER STOPS Some thermostats have factory-installed temperature lever locking screws (Fig. 17) and/or stop brackets(Fig. 18). Use these only if th...