3
Installation Instructions
GB
Features
RET B (RF) / RET B-LS (RF) / RET B-NSB (RF)
Contact rating
10 - 230 Vac, 3 (1) (excl. North America)
Contact rating (N.America)
10 - 24 Vac, 50/60Hz, 3(1)A
Temperature Accuracy
±1°C
Contact Type
SPDT Type 1B
Transmitter frequency
433.92 MHz (RF models)
Transmitter range
30m max (RF models)
Power Supply
2 x AA/MN1500 alkaline batteries
Control Pollution Situation
Degree 2
Rated Impulse Voltage
2.5 kV
Designed to meet
BS EN 60730-2-9 (EN 300220 for RF)
Ball Pressure Test
75°C
Temperature Range
5-30°C
Dimensions (mm)
85 wide x 86 high x 42 deep
Important note RF products
: Ensure that there are no large metal objects, such as
boiler cases or other large appliances, in line of sight between the transmitter and
receiver as these will prevent communication between thermostat and receiver.
GB - Installation Instructions
