the receiver. Select the cooler option when a cooler is
connected to the receiver.
J. Address setting:
In transmitter and receiver, there are dip switches to
select the addresses. The receiver ignores the message
which is sent by the transmitter with different address
setting.
K. Specification:
1. Temperature measurement:
0.0 - 40°C(0.1°C/step)
2. Accuracy:
± 0.5°C
3. Temperature control range:
5.0 - 35.0°C (0.5°C/step)
4.
Terminals: 2.5mm
2
cable
5. Electronic control: Type 2.B action
6. Transmitter
—
Battery:
2 x 1.5V AAA alkaline
battery
7.
Receiver
—
Input voltage: 240Vac
8.
Receiver
—
Output voltage:
24..240Vac 50/60Hz
10(3)A max
9. Operating temperature: 0 - 50°C
13
DRF4 RF Programmable Thermostat
1. The system includes one wireless thermostat controller
plus one RF receiver.
2. Transmits up to 20 meter indoor.
3. Communicates at 868MHz(Europe Standard) and
designed for unlicensed operation under FCC Part 15.
Warning:
1. If there is a dead zone in the RF communication. That
means the receiver may not be able to receive the
message from the transmitter. Before the installation,
check the communication first. If the communication
fails, relocate the receiver and transmitter location.
2. If the receiver has interference, set another transmitter
address. Reset the transmitter and follow the set up
instruction to reset the receiver.
3. It is recommended locate at least 30com distance from
any metal objects (including the metal box) and at least
2 meter from any electronic devices e.g. radio TV, PC,
2
