Operation Manual

Siemens Building Technologies/HVAC Products - REV12 1.04.05 1/2

Operating Instructions REV12

REV12 Thermostats can be operated in 5 different modes:

Auto Mode - Runs according to the times which have been programmed

into REV (See Set Points) It will follow the heating periods of T and T .

Economy Mode/MAN will stay on T temp for 24 hours x 7 days or until another

mode has been selected.

OFF/ Frost protection for Hydronic floor systems. Factory Set 5 C.

Programmed Timed override. Unit will Run at T from the start of 1st time

period to the end of the last time period.

Selects between Run Modes - , , , and .

Can temporarily increase or decrease Set Point temps for T or T . It will

revert back to original Set Point after a change in Run Modes or a Time Period.

- This can be used in all 5 modes. 4.0 C

Selects between T & T in & modes.

Selects Programming Mode. Click down on roller to get in, and roll to change

Time, Temp. and program settings.

Comfort Mode/MAN will stay on T temp for 24 hours x 7 days or until another

mode has been selected.

AUTO

(At home during the day.)

Programming Modes

For further info. on REV12, please refer to data sheet no. 2261.

AUTO

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REV12 Operating Instructions REV12 Thermostats can be operated in 5 different modes: 1) AUTO Auto Mode - Runs according to the times which have been programmed into REV (See Set Points) It will follow the heating periods of T and T . 2) Comfort Mode/MAN will stay on T mode has been selected. temp for 24 hours x 7 days or until another 3) Economy Mode/MAN will stay on T mode has been selected. temp for 24 hours x 7 days or until another 4) OFF/ Frost protection for Hydronic floor systems.
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To Program Mode Set time of programmer. T T - Set T T Temp.T Set time for on/off in the Auto Mode. 1 time Period. e.g. ON 0700 OFF 2300 hrs. 2 time Period e.g. ON 0600 OFF 0900 > ON 1700 OFF 2200. Temperatures for T are also set in this setting. T Temp will be on when Time Periods are off. Setting can be seen on 24hr clock at bottom of screen. PLEASE NOTE: IF SCROLL BUTTON IS NOT PRESSED FOR 10 SECONDS, THE REV12 WILL GO OUT OF PROGRAMMING MODE AND BACK TO RUN MODE.
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REV Thermostat Operating Tips Always look at the bottom of the screen at the 24hr clock to see what time the thermostat is programmed to come on and off. You can then instantly see if your heater should be on either temp or temp. If the heating is not on when the time clock indicates that it should check to see that the time is set correctly. (see programming sheet) EXAMPLE and is programmed for 2 time periods. The above 24 hour time clock is running in temp.