Parameter

Description

Factory setting

Setting range

P01 1) 3)

Application

RDF400.., RDF460..: 1

1 = 2-pipe, H/C changeover

2 = 2-pipe, electrical heating coil

3 = 4-pipe

RDF440..: 1

1 = 2-pipe

3 = 4-pipe

P02 3)

Control sequence if 2-pipe is selected, i.e., P01 = 1 or 2

2

1 = Heating only

2 = Cooling only

3 = H/C changeover auto

4 = H/C changeover manual

Control sequence if 4-pipe is selected, i.e., P01 = 3

5

4 = H/C changeover manual

5 = Heating and Cooling

P03 3)

Fan type

RDF400..: 2

1 = 1-speed fan

2 = 3-speed fan

RDF440..: 2

1 = 1-speed fan

2 = 3-speed fan

3 = ECM fan

RDF460..: 3

3 = ECM fan

P04 3)

Valve actuator type

RDF400.., RDF460..: 1

1 = 2-wire on/off valve actuator

2 = 3-wire on/off valve actuator

3 = 3-position valve actuator

RDF440..: 4

4= DC valve

P10

Operating mode selector
P02 ≠ 4

1

1 = Comfort – Protection

2 = Comfort – Economy – Protection

Operating mode selector
P02 = 4

1

1 = Comfort – Protection

P11

Display information

1

1 = Room temperature, built-in or X1

2 = Temperature setpoint

3 = Temperature via bus

P12

Temperature unit

1

1 = Celsius

2 = Fahrenheit

P13

Measured value adjustment

0 K

-5…5 K

P14 2)

Additional display information

1

1 = Off

2 = Temperature in deg C and deg F

3 = Temperature setpoint

4 = Time of day am/pm

P15

Keypad

1

1 = Unlock

2 = Lock

3 = Lock, except setpoint

4 = Lock setpoint

5 = Lock fan

6 = Lock operating mode

P20

Min. room temp. setpoint for Comfort

5 ℃

5 ℃…(P21-1)

P21

Max. room temp. setpoint for Comfort

35 ℃

(P20+1)…40 ℃

P22

Heating setpoint for Economy

15 ℃

0 = Disabled (OFF)

5 ℃…P23 (40 ℃, when P23 = OFF)

P23

Cooling setpoint for Economy

30 ℃

0 = Disabled (OFF)

P22 (5 ℃, when P22 = OFF)…40 ℃

P30

Fan operation in zero energy zone

1

1 = Disable

2 = Low speed, heating and cooling

3 = Low speed, cooling only

Notes

1) The parameter P01 value 2 is invisible when P04 = 2 or 3.

2) The parameter P14 value 3 is temperature display only when P11 = 2 and setpoint only when P11 = 1 & 3.

3) If parameters P01...P04 are changed, the thermostat restarts after exiting parameter setting mode to initialize the newly set application configuration.