Additional Control Pcbs - REMEHA Quinta Ace 30 Installation And User Manual

5 Installation
Fig.26 Connecting the power supply cable
1
4
X81
X81
Fig.27 IF-01 PCB
1
%
2
IF-01
X1
30
The pump must be connected to the standard control PCB. To do this,
proceed as follows:
2
3
X81
AD-4000093-01
5.7.4
The IF-01 extension PCB is pre-installed in the instrument box as
standard.
X5
X4
AD-0000054-01
If the boiler locks out, a relay is de-energised and the alarm can be
transmitted via a potential-free contact (maximum 230 V, 1 A) on terminals
Nc and C of the connector.
The interface uses OpenTherm to communicate with the boiler control
unit. To make this possible, the OTm connection must be connected to the
OpenTherm input of the boiler control unit.OTm
A choice can be made with this control between control based on
temperature or heat output. The two controls are described briefly below.
Connecting the standard pump
1. Connect the X81 power cable supplied with the boiler to the pump.
2. Remove the grommet from the opening in the middle of the base of
the boiler.
3. Pass the pump X81 cable through the base of the boiler and seal the
opening by tightening the bayonet fitting to the cable.
4. Connect the X81 pump cable to the X81 cable that runs along the
cable duct to the left of the instrument box

Additional control PCBs

Connection options for the extension PCB IF-01
Caution
Do not connect a frost thermostat or room thermostat to the boiler
if using the 0–10 V control PCB.
Connecting the status relay (Nc)
Connection (OTm)
Analogue input (0-10 V)
1. Connect the input signal to terminals 0–10 of the connector.
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