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Connecting remote smart
controller to the heater
1. Feed the connector end of the wire harness
through the cut outs in the back or underside
of the unit.
2. Plug in the wire harness connector block to the
female connector block situated on the heater
electrical; panel as shown in Fig 7.
3. Connect the earth connector to the earth tag
on the wiring panel adjacent to the connector
block as shown in Fig 7.
Fig. 7
Remote sensor wiring
Remote sensor may be used where the thermostat
will remain internally to the unit. See wiring
diagram S2 and C connections.
Master/slave wiring, hard wire
A number of units may be controlled from one
thermostat. For connection details please see
wiring diagram on page 9.
Note:
Maximum units:
Maximum total distance (Cable):
16 | SmithsEP.co.uk | Issue 003 - August 2020
Commissioning
1. Turn on the electrical supply at the fused spur.
2. Set the thermostat to maximum using the
3. Turn on the central heating system.
4. Balance the central heating system to ensure
5. If the installation is working correctly
6. Set the fan speed control to the desired setting
7. Internal mounted (tamper proof) models only.
8. This Installation and User Guide must be left
4
40 metres
Heating operation
Ensure the central heating system is ON. Switch on
the power supply to the unit. Set the thermostat
control to the desired temperature.
Providing the water temperature in the central
heating system is more than 38°C (Standard LTC
only) and the thermostat is calling for heat the
product will switch on.
increase button on the controller.
the correct system flow rate is achieved.
remember to reset the thermostat control to
its normal setting.
(low, medium or high) using the fan speed
button on the controller.
Close the front access panel, ensure this is
secure and locked in place with the keys
provided.
with the user for future reference.
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