User manual:
RDO3x3A
18
Cable sensor RFT113B:
(NTC 10k
Ω
; by 25°C)
Cable sensor RFT203B:
(PTC 1k
Ω
; by 25°C)
RFT113B for primary temperature (Br)
Mounting: With insertion pod (mounting depth min. 51mm).
- RFT113B20
: L=2m
Measuring range:
-30..105°C (Br)
- RFT203B40
: L=4m
Measuring range:
-30..105°C
Protection class
: IP54
Cable sensor RFT303A:
(PT 1000
Ω
; by 0°C)
For solar temperature in collector.
Mounting: With insertion pod (mounting depth min. 51mm).
Connection
: L=2m or 5m
Protection class
: IP54
Measuring range:
-30..240°C
4.3 Accessories
Heating circuit module RZM510A004:
For additional heating circuit, connected via device bus
DHW module
RZM515A004:
For additional DHW circuit, connected via device bus
Boiler cascade module
RZM530A004:
For boiler cascade, connected via device bus
Radio clock module
RZM550A000:
For additional radio clock, connected via device bus
Interface converter cable
RZB008A:
Interface converter cable, connecting controller to a PC (RS232).
Interface converter cable
RZB010A:
Interface converter cable, connecting controller to a PC (USB 2.0).
I/O-module (disturbance module)
RZB540A:
Connection of up to four digital input signals (230VAC) to one analog input for PTC or NTC at the RDO.
Offers one additional relay output controlled by a PWM output of RDO.
(Wire cross section to RDO: up to 15m 0.5mm
2
, up to 30m 1.0mm
2
, up to 50m 1.5mm
2
)
Bus interface
RZB565A000 (RDO3x3A only):
Plugs into back of controller (RDO3x3A only):
RS232C
: Connection to PC (master) via serial link cable (zero modem), max. 15m. (Software
RDOcom for setup and monitoring of connected controllers.)
RSC
: Connection of max. 10 controllers (slaves) via cable, 2 wires, shielded, max. length
1000m, up to 500m: 0.5mm
2
, up to 1000m: 1.0mm
2
. (Terminal switch at both ends set to
position C. No data transfer between the controllers.)
Max. 10 RSC-Interfaces can be connected.
RDO3x3
Adr. 1
RZB565
RS232
RSC
max. 3 m
max. 1000 m
max. 15 m
Modem
PC
RDO3x3
Adr. 2
RZB565
RSC
RDO3x3
Adr. 10
RZB565
RSC
max. 3 m
RDO3x3
Adr. 9
RZB565
RSC