30
Precautions to take when installing the remote control:
- The remote control cables must NOT be routed together with power cables: otherwise the disturbance would cause the remote control to
malfunction.
- Position the remote control on a wall inside the building, about 1.5 metres from the floor, in a suitable position for measuring the
environmental temperature. Do not install in alcoves, behind doors or curtains, near sources of heat, or exposed to sunlight, draughts or
spray.
The remote control connection is protected against false polarity, which means the connections can be switched.
The remote control must not be connected to a 230 V ~ 50 Hz mains supply.
Refer to the manual included in the remote control Open Therm kit, in order to program it.
A series of parameters, called TSP, reserved to qualified personnel (tables 9 and 10), can be read and set through the remote control.
TPS0 parameter sets default data table and restores all original values, cancelling all preceding modifications on single parameters.
When the value of a single parameter is detected to be wrong, its value is restored from the default data table.
When a parameter is tried to be set to a value out of the allowed range, the new value is rejected and the existing one is kept.
3.2.14. Connection to an (optional) external probe and “sliding temperature” operation
The boiler can be connected to an (optional) external temperature probe for sliding temperature operation.
Only original external temperature probes supplied by the manufacturer must be used.
If non-original external temperature probes are used, correct operation of the boiler cannot be guaranteed.
The external temperature probe must be connected by means of a double insulated wire, minimum cross-section 0.35 sq.mm.
The probe must be connected to terminal M8 on the boiler’s printed circuit board.
The temperature probe cables must NOT be routed together with power cables.
Parameter
Range of values
Default values by
TSP0 = 1 KB 24
Default values by
TSP0 = 2 KB 28
TSP0
Equipment type and default
data chart
1-2
1
2
TSP1
Fan speed at burner max. output
(DHW)
120 ÷ 250 Hz
(3600 ÷ 7500 rpm)
181 Hz
(5430 rpm)
193 Hz
(5790 rpm)
TSP2
Fan speed at burner min. output
(DHW and CH)
30 ÷ 120 Hz
(900 ÷ 3600 rpm)
53 Hz
(1590 rpm)
56 Hz
(1680 rpm)
TSP3
Fan speed at burner ignition and
spread
30 ÷ 160 Hz
(900 ÷ 4800 rpm)
67 Hz
(2010 rpm)
67 Hz
(2010 rpm)
TSP4
CH max. output upper limit,
adjustable via P4 trimmer
10 ÷ 100%
84%
90%
Table 9 -
Limits to be set for TSP parameters and default values in relation to boiler type (TSP0)
Parameter
Minimum limit
Maximum limit
TSP5
P6 trimmer position
0
(thermoregulation curve = 0,0)
255
(thermoregulation curve = 3,0)
TSP6
Fictitious temperature set via
adjuster 4
(only when external probe is
installed)
15°C
35°C
Table 10 -
TSP chart of parameters which can be displayed (these parameters cannot be adjusted via remote control)
