Honeywell Thermostat TH8110U User Manual download pdf (Page 2)

TH8110U TOUCH SCREEN PROGRAMMABLE THERMOSTATS

69-1700 2

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.

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.

Fig. 3. Selecting terminal identifications for

system type.

Fig. 4. Inserting wires in terminal block.

IMPORTANT

Use 18 gauge thermostat wire.

WALL

MOUNTING

HOLES

M19916

MOUNTING

SCREWS (2)

WALL ANCHORS (2)

WIRES THROUGH WALL

AND WIRE SLOT

Table 2. Selecting Terminal Identifications for

System Type.

System Type

Wallplate

Terminal

Identifications

Wiring

Diagram

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

Auxiliary Heat

Heat Pump 11

NVENTI

REW TERMINAL

EAT P

UMP

M19951

AUX

O/B

M19917

1 2 3 4 5 6 7 ... 11 12

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Honeywell Thermostat TH8110U User Manual Page 2

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