Honeywell Y8185 Manual de usuario descargar pdf (Pagina 3)

Fig. 3—Leveling methods for wallplate or subbase.

5 WIRE WALLPLATE OR SUBBASE

Follow the Instructions provided by the heating or

heating/coollng equipment manufacturer. If not avail-

able, refer to TYPICAL WIRING DIAGRAMS at end of

this publication,

NOTE: Aii wiring must comply with local electrical

codes and ordinances.

FOR WALLPLATE (Heating-Only System)

□ Refer to Fig. 4 and strip thermostat wire insulation

as necessary.

Q Connect wires to R, W, and C terminals. Firmly

tighten screws. The timer is powered by the system’s

low voltage transformer. NOTE: An unmarked fourth

terminal is provided for 3-wire [series 20} primary

controls (Fig, 11).

n Push excess wire back into wall.

□ Plug hole in wall with nonhardening caulk, putty,

or nonflammable insulation to prevent drafts from affect

ing thermostat operation.

FOR SUBBASE (Heating/Cooling Systems)

ED Refer to Fig. 4 and strip thermostat wire insulation

as necessary.

□ Connect the wires to corresponding terminals on

the subbase.

If labels do not agree with your new subbase—

—Refer to Table 2 or Figs. 12-15.

—Determine correct hookup from the listed control

function and the equipment control circuit.

The timer is powered by the system's low voltage

transformer. 24 Vac must be maintained across termi

nals R and C.

TABLE 2—TERMINAL DESIGNATIONS

SUBBASE

TERMINAL CONTROL FUNCTION

R Control transformer power.

Heating control circuit.

Y Cooling control circuit jumper to W

for heat pump compressor control}.

Fan control circuit.

Timer control (transformer common).

0 Changeover or reversing valve, made

continuously in cool.

Changeover or reversing valve made

continuously In heat

□

Push excess wire back into wall.

Piug hole in wall with nonhardening caulk, putty,

or nonflammable insulation to prevent drafts from affect

ing thermostat operation.

1 2 3 4 5 6 7 8

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Honeywell Y8185 Manual de usuario Pagina 3

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