Robertshaw RS6220 Manual de Instalação descarregar pdf (Página 12)

Setting the Mode

Press the button to cycle through the available modes.

Off

Heat

Cool

Emergency Heat (2 stage Heat Pump units)

Automatic changeover

Setting Mode to Emergency Heat

The RS4220, RS5220 and RS6220 thermostats have an emergency heat

capability for heat pump systems. Confirm that the system has emergency

heat available. Use the button to enter the EMER mode.

An E will be displayed with the heat symbol . Use emergency heat to turn

off the heat pump and turn on a secondary heating source. This mode is used

to bypass the heat pump when it needs servicing or when it cannot keep up

with the heat demand.

Setting Mode to Automatic Changeover

When auto changeover is active the letter A is displayed next to the and .

Changing from heat-to-cool or cool-to-heat is automatic. As the room

temperature changes, the thermostat will call for heating or cooling as

needed. The display will flash the heat or cool symbol to show which

system is active.

Security Lockout to Protect the Settings

The buttons on the front of the thermostat can be locked with a password.

To create a password:

1. Press the and buttons at the same time and hold them in for

5 seconds.

You will be asked for a 4 digit password (the RS4110 and RS4220

thermostats use 2 digits).

2. Each digit is set using the and buttons. Press the to

move to the next digit. Press to move back.

3. The password is saved after 10 seconds or by pressing and

at the same time.

All the front buttons are now locked out until the password is entered.

Pressing any button will cause to flash.

To unlock the buttons:

1. Push and hold the and buttons for 5 seconds until the

request for password is displayed.

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Robertshaw RS6220 Manual de Instalação Página 12