Siemens RDF300 User Manual download pdf (Page 9)

32X049EN - April 2009 – HVAC Products 9

Temperature limitation for underfloor heating.

Features / functions Benefits

Function for underfloor heating.

A floor temperature sensor, connected to

the multifunctional input, monitors the floor

temperature.

This function improves comfort and

protects the floor on applications with floor

heating

Keypad lock

Features / functions Benefits

Automatic / manual lock of the keypad

helps prevent unauthorized readjustment

on the room temperature controller.

Adjustable control parameters

Minimum output ON time / OFF time (compressor short cycle protection)

Features / functions Benefits

The room temperature controller can

protect the compressor by limiting the

on/off switching cycle, thereby reducing

wear and tear and increase the lifetime of

the compressor. Simply speaking, we can

set a minimum on/off time via the control

parameters to control the opening and

closing actions if the user adjusts the

setpoint or heating / cooling mode

changeover incorrectly.

Features / functions Benefits

Many control parameters can be adjusted

to meet individual needs. This gives high

flexibility and enables the controller to

adapt to any type of application.

Keypad is locked.

Can be unlocked by

pressing the

operating mode

button

for

7 seconds

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Siemens RDF300 User Manual Page 9