White Rodgers 1F95-1277 Instruções de Operação descarregar pdf (Página 2)

2 "AA" Batteries

WIRING CONNECTIONS

Refer to equipment manufacturers' instructions for specic

system wiring information. After wiring, see CONFIGURA-

TION section for proper thermostat conguration.

For wiring diagrams, see 37-6808.

Wiring diagrams shown are for typical systems and describe

the thermostat terminal functions.

INSTALLATION

Battery Location

2 "AA" alkaline batteries are included in the thermostat at

the factory with a battery tag to prevent power drainage.

Remove the battery tag to engage the batteries.

To replace batteries, set system to OFF, remove thermostat

from wall and install the batteries in the rear along the top

of the thermostat (see Figure 1). For best results, use a

premium brand "AA" alkaline battery such as Duracell

Energizer

Remove Old Thermostat

A standard heat/cool thermostat consists of three basic parts:

1. The cover, which may be either a snap-on or hinge type.

2. The base, which is removed by loosening all captive

screws.

3. The switching subbase, which is removed by unscrewing

the mounting screws that hold it on the wall or adapter

plate. Before removing wires from old thermostat, label

each wire with the terminal designation from which it

was attached. Disconnect the wires from the old thermo-

stat one at a time. Do not let wires fall back into the wall.

Installing New Thermostat

1. Pull the thermostat body off the thermostat base. Forcing

or prying on the thermostat will cause damage to the unit.

2. Place base over hole in wall and mark mounting hole

locations on wall using base as a template.

3. Move base out of the way. Drill mounting holes. If you

are using existing mounting holes and the holes drilled

are too large and do not allow you to tighten base snugly,

use plastic screw anchors to secure the base.

4. Fasten base snugly to wall using mounting holes shown

in Figure 1 and two mounting screws. Leveling is for

appearance only and will not affect thermostat operation.

5. Connect wires to terminal block on base using appropriate

wiring schematic (see diagram sheet 37-6808).

6. Push excess wire into wall and plug hole with a re resis-

tant material (such as berglass insulation) to prevent

drafts from affecting thermostat operation.

7. Carefully line the thermostat up with the base and snap

into place.

Terminal Designation Description

B ...................Changeover valve for heat pump energized constantly in heating

O ...................Changeover valve for heat pump energized constantly in cooling and off

Y2 ...................2nd Stage Compressor

Y ...................Compressor Relay

G ...................Fan Relay

RC...................Power for Cooling

RH...................Power for Heating

C ...................Common wire from secondary side of cooling (Optional). Required for fault indication,

continuous backlight operation or remote temperature sensor operation

L ...................Malfunction indicator for systems with malfunction connection

6 ...................Powered closed 3rd wire for 3-wire zone valve

W/E ..................Heat Relay/Emergency Heat Relay (Stage 1)

W2...................2nd Stage Heat (3rd Stage Heat in HP2)

Blank..................Blank

-....................Common (DC) for wired remote temperature sensor

S ...................Frequency signal from remote temperature sensor

+ ...................Power (DC) to remote temperature sensor

TERMINAL DESIGNATION DESCRIPTIONS

Mounting

Hole

Mounting

Hole

Place Level

across

Mounting Tabs

(for appearance only)

Place Level

across

Mounting Tabs

(for appearance only)

W/E

Figure 1 – Thermostat Base Multi-Stage 1F95-1277

Rear view of thermostat

WARNING

Thermostat installation and all components of the

control system shall conform to Class II circuits per

the NEC code.

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

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