Testing The Thermostat Humidity Control - Bosch 8-733-944-325 Installation & Operation Manual

1 6 | Bosch 2H/2C/Hum Touch-Technology Thermostat
6.3 Testing the thermostat
Once the thermostat is confi gured, it should be thoroughly tested.
CAUTION:

Do not energize the air conditioning system when the outdoor
temperature is below 50 degrees. It can result in equipment
damage or personal injury.
Heat Test
1. Press , then press until heat mode is displayed.
2. Adjust the set temperature so it is 5 degrees above the room temperature.
3. Heating should come on within a few seconds.
4. Adjust the set temperature 2 degrees below the room temperature and the
heat should turn off . There may be a fan delay on your system.
For heat pumps, there is a four-minute delay to protect your compressor
after it turns off . To bypass the compressor time delay, go to OFF mode
and press .
Cool Test
1. Press , then press until cool mode is displayed.
2. Adjust set temperature so it is 5 degrees below room temperature.
3. Cooling should come on within a few seconds.
4. Adjust the set temperature 2 degrees above the room temperature and the
cooling should turn off . There may be a fan delay on your system.
There is a four-minute time delay to protect the compressor after it turns
off . To bypass the compressor time delay, go to OFF mode and press
Fan Test
1. Press , then press icon.
2. Press , then press icon.
Data subject to change
displays. Indoor fan turns ON.
displays. Indoor fan turns OFF.

6.4 Testing the thermostat humidity control

Humidifi cation Test – when set to humidifi cation, only
To test the humidifi er, set the mode and fan to the correct setting:
— HEAT-FAN: Either the heating system or fan must be operating in
order for the humidifier to turn on.
— HEAT: Heat must be operating in order for the humidifi er to turn on.
— no: No condition other than humidity reading below setpoint and
diff erential will turn on humidifi er.
1. Go to MENU/HUMIDITY and press
2. Change the humidity setpoint above the relative humidity by the diff erential
(see Confi guration Menu section).
3. Press twice. You should hear a click and when you go back into the
humidity settings you will see ON in the top left corner of the screen.
4. Change the humidity setting below the relative humidity by the diff erential.
The humidifi er will turn off .
Dehumidifi cation Test – when set to dehumidifi cation, only
To test dehumidifi cation, set the mode and fan to the correct settings.
— COOL-FAN: Either the cooling system or fan must be operating in
order for the dehumidifier to turn on.
— COOL-no: The cooling system must be turned off in order for the
dehumidifier to turn on.
— no: No condition other than humidity reading above setpoint and
differential will turn on dehumidifier.
1. Go to MENU/HUMIDITY and press
2. Change the humidity setpoint below the relative humidity by the diff erential
(Confi guration Menu, Section 19, Page 16).
3. Press twice. If the relay confi guration is set to normally open, there will
be a click and the humidity screen will display ON. If the relay confi guration is
set to normally closed, the humidity screen will not display ON.
..
4. Change the humidity setting to greater than the relative humidity by the
diff erential by pressing the
5. Press twice. If the relay confi guration is set to normally closed, there
will be a click and ON is displayed on the humidity screen. If the relay
confi guration is set to normally open, the humidity screen will not display ON.
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09.2016 | Bosch Thermotechnology Corp.