Central heating:
1. Press select button to
choose
off = constantly OFF
timed = up to 3 ON &
3 OFF time
periods as
program
once = ON from first ON
until third OFF
time period as
program
on = constantly ON
2. Press “advance” button:
ON = heating light on
(heating demand stays
on until next off time
period)
OFF = heating light off
(heating demand
stays off until next on
time period)
DT20RF RECEIVER
OPERATING CONTROLS
Hot Water:
3. Press select button to
choose
off = constantly OFF
timed = up to 3 ON
and 3 OFF
time periods as
program
once = ON from first
ON until third
OFF time period
as program
on = constantly ON
4. Press “advance” button:
ON = hot water pre-heat
light on (hot water
stays on until next off
time period)
OFF = hot water pre-heat
light off (hot water
stays off until next on
time period)
NOTE: Advance has no effect with constantly on
or off is selected on the receiver or when
there is no demand from the transmitter.
DT20RF PROGRAMMER
INSTRUCTION MANUAL
8 716 115 495a (02.2009)
OPERATING & INSTALLATION
INSTRUCTIONS
11
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