RDF400BN | RDF440BN | RDF460BN |
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RDF400MB | RDF440MB | RDF460MB |
|---|---|---|
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L, N | AC 100...230 V power supply, mains and neutral |
G, G0 | AC/DC 24 V power supply |
L1 | Feed for relays AC 24...230 V |
Q1 ** | Fan control output (relay output), Q1-low (AC 100...230 V) |
Q2 ** | Fan control output (relay output), Q2-middle (AC 100...230 V) |
Q3 ** | Fan control output (relay output), Q3 -high (AC 100...230 V) |
Y1 * | SPST relay output, 2-pipe cooling/heating, or 4-pipe heating, normally open (AC 100...230 V) |
Y2 * | SPST relay output, 2-pipe with electric heater, or 4-pipe cooling, normally open (AC 100...230 V) |
Y10 | Control outputs "valve" DC 0...10 V, 2-pipe cooling/heating, or 4-pipe heating |
Y20 | Control outputs "valve" DC 0...10 V, 4-pipe cooling, and 2-pipe DC fan |
Y50 | Control output "Fan" DC 0...10 V |
X1 | Multifunctional input, e.g., sensor, switch or DC 0...10 V signal (actuator feedback) |
M | Input reference ground for X1, D1 or DC fan reference |
D1 | Digital input, e.g., switch |
BN+, BN- *** | BACnet or Modbus terminals |
MB+, MB- *** | Modbus terminals |
REF | BACnet or Modbus reference ground |
* 3-wire valve and 3-position valve actuators can also be used for 2-pipe application with Y1 and Y2 connected and P04 configured.
** For RDF440.., the relay voltage for Qx is AC 24...230 V.
*** Isolated for RDF440..