Honeywell TH8110U installation instructions Installing Wallplate, Identifications

TH8110U TOUCH SCREEN PROGRAMMABLE THERMOSTATS

Installing Wallplate

CAUTION

Electrical Hazard.

Can cause electrical shock or equipment damage.

Disconnect power before wiring.

The thermostat can be mounted horizontally on the wall or on a 4 in. x 2 in. (101.6 mm x 50.8 mm) wiring box.

1.Position and level the wallplate (for appearance only).

2.Use a pencil to mark the mounting holes.

WALL

WIRES THROUGH WALL

AND WIRE SLOT

WALL ANCHORS (2)

MOUNTING

HOLES

MOUNTING

SCREWS (2)

M19916

Fig. 2. Mounting wallplate.

3.Remove the wallplate from the wall and, if drywall, drill two 3/16-in. holes in the wall, as marked. For firmer material such as plaster, drill two 7/32-in. holes. Gently tap anchors (provided) into the drilled holes until flush with the wall.

4.Position the wallplate over the holes, pulling wires through the wiring opening. See Fig. 2.

5.Insert the mounting screws into the holes and tighten.

WIRING (FIG. 5-11)

All wiring must comply with local electrical codes and ordinances.

1.Select set of terminal identifications (Table 2) that corresponds with system type (conventional or heat pump) in Fig. 3.

2.Loosen the screws for the appropriate system type selected; see Table 2. Insert wires in the terminal block under the loosened screw. See Fig. 4.

3.Securely tighten each screw.

4.Push excess wire back into the hole.

5.Plug the hole with nonflammable insulation to prevent drafts from affecting the thermostat.

HEAT PUMP

CONVENTIONAL

Y2	Y2	RC	RC
L		R	R
E		W	O/B
AUX	W2	Y	Y
S1	S1	G	G
S2	S2	C	C
	SCREW TERMINALS		M19951

Fig. 3. Selecting terminal identifications for

system type.

Table 2. Selecting Terminal Identifications for

System Type.

	Wallplate	Wiring
System Type	Terminal	Diagram
	Identifications	Reference
Standard Heat/Cool	Conventional	5, 6
Heat Only	Conventional	7
Heat Only with Fan	Conventional	8
Heat Only Series 20	Conventional	9
Cool Only	Conventional	10
Heat Pump with No	Heat Pump	11
Auxiliary Heat

M19917

Fig. 4. Inserting wires in terminal block.

IMPORTANT

Use 18 gauge thermostat wire.

69-1700 2