Instruction manual

RF Thermostat (Continued)
RECEIVER/CONTROLLER (Continued)
Button or LED Function
• The Fan speed is linked to the Flame setting.
• At Flame setting 1 & 2, the Fan can only operate at Low speed.
• At Flame setting 3 & 4, the Fan can be selected to operate between Low, Medium
and High.
• Pressing and releasing this button once will increase the Fan speed to the next
available setting.
Fan Increase Button
• As per fan increase button, however pressing and releasing this button once will
decrease the Fan speed to the next available setting. 
Fan Decrease Button
• Pressing and releasing this button once will increase the Flame to the next
available setting. 
Flame Increase Button
• Pressing and releasing this button once will decrease the Flame to the next
available setting.
Flame Decrease Button
There are two different display modes:
• Mode 1 – Continuously Lit – This indicates the Fan is selected to operate on Low
Speed.
• Mode 2 – Flashing Intermittently – This indicates that the Heater is switched OFF
by the ON/OFF button and will not respond to the Thermostat signal.
Low Speed LED 
• This LED, when lit continuously, indicates the Fan is selected to operate on
Medium Speed.
Medium Speed LED 
• This LED, when lit continuously, indicates the Fan is selected to operate on High
Speed.
High Speed LED 
SPECIAL FEATURES
The RF Thermostat communicates with the Receiver/Controller on a regular basis. As a safety measure, the
Receiver/Controller will automatically shut down if 30 minutes has lapsed since the last communication was received
from the RF Thermostat.
The Receiver/Controller can be switched on again and by-pass the RF Thermostat by pressing and releasing the ON/OFF
button on the Front Panel.
Derwent High Efficiency Gas Log Fire
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