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PRIOR TO INSTALLING PLEASE
READ THE INSTALLATION GUIDE
The RT 300 is easily installed using the Industry
Standard back plate supplied which can be
mounted directly to the wall surface or a single
gang recessed box using the holes provided; cable
entry is from the rear.
The RT300 must be located where it would not be
subjected to extraneous heat gain/loss (such as
above radiators, direct sunlight or in draughts).
Normal household air circulation.
Specification
Switch Rating
: 230V/50Hz/3A
Switch Type
: Single pole, single throw (SPST)
Power Supply
: 2 x AA size Alkaline batteries
o
o
Operating Temperature
: 0
C - 50
C
o
o
o
Temperature Setting Range
: 10
C - 35
C in 0.5
C steps
o
o
Storage Conditions
: -20
C - 55
C to 90% RH/non condensing
o
Frost Protection Temperature
: 5
C
Battery Low Warning
: 2.6 - 2.8V
o
o
Temperature Control Accuracy
: +/- 0.5
C at 25
C
Operating Humidity
: 0 to 90% RH/non condensing
o
Protection
: Auto cut off at over 35
Memory
: Memory hold up: 5 minutes
Back Light
: EL Panel blue colour
Agency Approval
: CE
Micro Disconnection On Operation : Type 1.B control action
Rated Impulse Voltage
: 4kV
1
Switches/Jumpers:
The installer should select the jumper positions required
if changing from the factory presets-these jumpers are
found on the rear of the unit.
Switch/Jumpers
Temperature Span
Back Plate & Wiring for the RT300
This unit does
not require to be earthed, earth
terminal provided for safe
connection of all earth wires only.
1) Select a suitable location
noting the advice in page
1 of this manual, a suitable
mounting height is 1.5m
above FFL
2) Isolate AC mains supply,
note this must be 230 Vac
and fused at 5 amps.
3) Optimum cable size is
1.5mm CSA; wiring colour
codes vary in different countries and are not defined here.
C
4) Enter cable to rear of back plate.
5) Securely fix back plate to wall surface or recessed back
box using holes provided.
6) Terminate conductors as per the wiring diagram on the
unit, ensuring conductors are firmly gripped beneath
square brass washer.
Function
1 Jumper for +/-0.5°C (factory
default setting) or 1.0°C selection.
2
7) This appliance is Double Insulated
earthed except at the Earth Parkin
8) The Industry Standard back plate
fix to the surface of your choice. P
pressure downwards is required to
Unit to connectors in the Back Pla
captive screws at the bottom of th
not to over tighten.
9) Fit the batteries supplied and prog
restore AC mains to system when
fully installed and test for correct
your convenience it is possible to
programme the unit prior to fittin
Terminals:
Terminal Name
Fun
L
Live
SL
Swit
Eart
User Instructions
Init
• After power up or RESET is
thermostat is reset.
• During system reset, all LCD
turned on for 2 seconds.
After 2 seconds the thermos
The typical reset display is sh
3
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