Robertshaw RS6220 Manual de instalación descargar pdf (Pagina 5)

Terminal Function

One Stage Models RS4110, RS5110 and RS6110

TERMINAL

EQUIPMENT TO

CONNECT

DESCRIPTION

24V AC

Common Connection

For input of 24V AC common side of transformer.

Connect to provide always-on backlight/nightlight.

RH/R

24V AC

Hot Connection

For input of 24V AC hot side of transformer.

24V AC

Hot Connection

When cooling transformer is used for input of 24V

AC hot side of transformer.

Jumper from RH to RC must be removed.

Y1*

First stage

compressor

connection

Energizes on a call for first stage of cooling.

Energizes on a call for first stage of heating when

configured as a HP.

W1*

First stage

heat connection

Energizes on a call for first stage of heating when

configured as a Non-HP.

Indoor fan

connection

Energizes with Y1 and Y2.

Energizes with W1 and W2 if the Gas/Elec switch is

set to electric.

Energizes when fan is switched to ON.

O Energizes for heat pump cool reversing valve.

B Energizes for heat pump heat reversing valve.

* This thermostat can be used as a heat-only or cool-only thermostat. Therefore, it is not

always necessary to use both W1 and Y1.

Two Stage Models RS4220, RS5220 and RS6220

TERMINAL

EQUIPMENT TO

CONNECT

DESCRIPTION

24V AC

Compressor Fault

Output

For input of fault signal from a compressor.

Second stage

cooling

connection.

Energizes on a call for second stage cooling (aux.).

Second stage

heat connection

Energizes on a call for second stage heating (aux.).

Emergency Heat

Connection

Energizes on a call for emergency heat.

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Robertshaw RS6220 Manual de instalación Pagina 5

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