RDF30U Room Temperature Controller with LCD Technical Instructions
For Four-Pipe Fan Coil Units Document Number 155-335
September 27, 2007
Siemens Industry, Inc. Page 5
Table 1. Control Parameters.
Heating setpoint in Economy mode
(operating mode changeover contact activated )
OFF,
41F to 68F (5C to 20C) (in increments
of 0.5 K)
Cooling setpoint in Economy mode
(operating mode changeover contact activated )
OFF,
70F to 95F (21C to 35C) (in
increments of 0.5 K)
Heating setpoint in Standby “ ”
OFF,
41F to 68F (5C to 20C) (in increments
of 0.5 K)
Cooling setpoint in Standby “ ”
OFF,
70F to 95F (21C to 35C) (in
increments of 0.5 K)
Minimum setpoint limitation in Normal mode
41F to 68F (5C to 20C) (in increments
of 0.5 K)
Maximum setpoint limitation in Normal mode
70F to 95F (21C to 35C) (in
increments of 0.5 K)
-3 K to 3 K (-5.4F to 5.4F) (in increments
of 0.5 K)
P-band in Heating mode or switching differential heating.
NOTE: This parameter is in degrees Kelvin, 1 K = 1.8F.
0.5 K to 4 K (1°F to 7°F) (in increments of
0.5 K)
P-band in Cooling mode or switching differential cooling.
NOTE: This parameter is in degrees Kelvin, 1 K = 1.8F.
0.5 K to 4 K (1°F to 7°F) (in increments of
0.5 K)
0.5 K to 10 K (1°F to 18°F) (in increments
of 0.5 K)
Active temperature sensor (no setting, display only)
1: Room temperature sensor active
2: Return air temperature sensor active
Value of current room temperature reading
(no setting, display only)
32F to 120F (0C to 49C) = current
temperature value
Fan control in Economy mode
OFF: Fan is off in the dead zone
ON: Fan is on in the dead zone,
ON: Running at the selected speed or at
speed 1 if in Standby
0.5K to 5K (1°F to 9°F)
(in increments of 0.5 K)
Minimum output on time (4, 6)
1 to 20 minutes (in increments of 1 min.)
Minimum output off time (4, 5)
1 to 20 minutes (in increments of 1 min.)
0 to 300 seconds (in increments of 10 s)
Point of reference for setpoint in Normal mode
HA: Heating sequence;
CL: Cooling sequence
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