MICRO-AIR EasyTouch 350 Manuel utilisateur

EasyTouch

350

Operating Manual

Revision 1.4

2 
©2021 Micro-Air Corp May 20, 2021, revision 1.4 
Contents 
Installing the thermostat ..............................................................................................................................3 
Removing the old thermostat...................................................................................................................3 
Wiring the thermostat ..............................................................................................................................3 
Mounting the thermostat .........................................................................................................................4 
Initial setup instructions ...............................................................................................................................5 
Available modes........................................................................................................................................5 
Connecting remotely.................................................................................................................................5 
Operating the thermostat.............................................................................................................................5 
Main screen...............................................................................................................................................5 
Away screen (Heat and cool set points) ...................................................................................................7 
Schedule screen ........................................................................................................................................8 
Setting a change event..........................................................................................................................8 
12- or 24-hour format...........................................................................................................................8 
Setting the time ....................................................................................................................................8 
Enabling the schedule...........................................................................................................................8 
Settings Screen..............................................................................................................................................9 
Gas Heat Override...................................................................................................................................10 
Smart device application only features ......................................................................................................10 
Reset device............................................................................................................................................10 
Calibrate Touchscreen ............................................................................................................................10 
Check for updates ...................................................................................................................................10 
Notifications............................................................................................................................................10 
Installation Troubleshooting.......................................................................................................................11 
WIFI Troubleshooting..................................................................................................................................11 
No WIFI Icon............................................................................................................................................11 
Red WIFI Icon..........................................................................................................................................11 
Appendix A: Connecting remotely..............................................................................................................12 
First connection steps.............................................................................................................................12 
Adding a control......................................................................................................................................12 
Connecting to a new WIFI network ........................................................................................................12 
Updating the thermostat ........................................................................................................................12 
 
 

The EasyTouch 350 model thermostat was designed to replace certain Dometic™multi-zone

capable thermostats. Original thermostats replaced by this model are a landscape format rectangular

design with a circular center display and 10 to 12 buttons. If your thermostat is not of this style, please

contact Micro-Air https://www.micro-air.com/SupportRequest to verify the thermostat you received is

correct for your application.

Installing the thermostat

There are three steps to installing the thermostat. First remove your old thermostat. Next

disconnect and reconnect the wiring. Finally install the mounting pins to the wall and mount your new

thermostat.

Removing the old thermostat

Depress the rectangular locking tab on the bottom of the thermostat with a small screw driver.

Pull the thermostat away from the wall from the bottom. Unplug the connector by depressing the

locking tab. Remove the back plate mounting screws and remove the back plate.

Wiring the thermostat

All models feature a simple telephone style modular jack. This is a six-pin version of a common

Ethernet connector with a press tab for removing the connector. Press the tab to remove the connector

from the old thermostat and insert it into the new thermostat.

Mounting the thermostat

Step 1: Locate the mounting buttons

horizontally across the hole with the smaller

diameter against the wall.

Step 2: Screw in one screw and level the

buttons so the display will be straight when

installed.

Step 3: Screw in second screw making sure the

two buttons remain level.

Step 4: Remove mounting tab before mounting

on the wall.

Step 5: Aligning the buttons with the holes in

the back of the display. Press the display against

the wall and gently slide the display down to

lock it in place.

Initial setup instructions

Available modes

Switches on the control boards typically located in the air conditioners are used to configure the

system. These switches determine if the system has a furnace, heat pump, electric heat strip, generator

or other features. Operating modes available will reflect the setting of these switches. No thermostat

setup is required.

Connecting remotely

This thermostat may be operated remotely using either Bluetooth or WIFI. Apps may be loaded

from the Google Play store or Apple App store. The first time the app is opened, it will ask to create an

account. A WIFI connection on your smart device is necessary for this step. Create your account and

follow the prompts to connect your thermostat.

If a second user is going to use the thermostat remotely, they can use the same account and

password as the first user. Each thermostat can only be assigned to a single account.

Operating the thermostat

Main screen

1. Inside temperature shows the ambient temperature of

the room.

2. WIFI indicator shows the state of the WIFI connection.

Green indicates WIFI is connected properly, Red

indicates connection to router only, bars indicate signal

strength, and no symbol indicates no connection.

3. Raise and lower the temperature set point using the

red and blue arrows.

4. Use the power button to turn the system on or off.

Button is red for off and green for on.

5. Pressing the mode icon changes from cooling or

heating modes depending on what is available in your system. See table 2 for a list of all possible

modes.

Table 1

Fan only

Automatic

Heat pump

Cool Only

Aqua Heat mode

Furnace

Zone off

Heat strip

Zone on

6. Pressing the fan icon selects between manual (always on) fan speeds and automatic fan speeds.

Automatic will turn the fan off after the heating or cooling cycle is completed. See table 3 for

available fan speeds.

Table 2

Indication

Action

Fan low

Fan runs

continually on low

Fan Medium

Fan runs

continually on

medium

fan high

Fan runs

continually on high

Auto fan (1)

Fan cycles with

compressor or

electric element

Fan off

No Fan

Note (1): Auto fan changes fan speed with temperature. It also turns off the fan when a cycle is

complete.

7. Home-away-schedule icon. Pressing this button selects between these modes. Home mode is

the normal operating mode using a single setpoint for temperature control. Schedule mode

allows changing set points throughout the day programmatically. Away mode allows setting a

heating and a cooling set point and automatically changing from heating to cooling.

8. The zone selection button will show a zone in green when it is turned on. The zone number will

show in gray if the zone is not available and in red if there is a fault with the zone.

9. Pressing the gear will change the settings screen to allow additional setup functions.

10. Pressing the set point will change the system units from °F to °C and back. The setpoint is also

used as an indicator of system operation. A red set point indicates a heating cycle is in process.

A blue set point indicates a cooling cycle is in process. A white icon indicates no cycle is in

process.

The hourglass symbol indicates that a delay is in process and operation will resume once the

delay is complete. The control board sends this information to the thermostat so it is just an indication

the control board is handling the requested operation.

Away screen (Heat and cool set points)

Away operation allows setting upper and lower limits for temperature with a non-operating

area or “dead band” in the middle. This can be useful when setting a higher daytime cooling

temperature and lower night time heating temperature. It can also be used to control the temperature

extremes when you are away from the RV. The mode selected must be an automatic mode to allow

both heating and cooling operation.

1. Press the setpoints area to toggle between the selected value. A blue square will show

around the value you are changing. The upper value changes the cooling set point and the lower value

changes the heating set point.

2. Use the up and down arrows to change the selected temperature value.

Schedule screen

Set points may be changed on a time-based schedule. The mode used will be the heating or

cooling mode set on the main screen.

Setting a change event

1. Events will show --:-- when the event is disabled. Press the hours position to set the hours. A

flashing bar will appear under the hours along with up and down adjustment selectors. Use the

adjustment selectors to change the hours.

Press the minutes to move the flashing bar under the minutes and allow ¼ hour adjustments.

Use the up and down adjustment selectors to make changes.

Press the temperature to change the desired temperature set point. This is the temperature the

system will try to achieve after the time that was set.

12- or 24-hour format

2. Press the time in the upper right to change 12 and 24-hour time formats.

Setting the time

3. Time zone is set and saved whenever the thermostat connects using Bluetooth. Time is set on

power up through the internet connection, or whenever a connection is made on either Bluetooth or

WIFI.

Enabling the schedule

4. Press the enabled/disabled button to enable the schedule. The schedule will be active and

make set point changes anytime the schedule is selected on the main screen. The Home/Schedule/Away

button will only toggle between schedule and away when the schedule is enabled. The button will only

select between home and away if the schedule is disabled. Away mode is not configurable on a

schedule.

5. Press the round arrow to return to the regular settings screen.

Settings Screen

1. Day/Night mode. Day mode (shown above) will dim the display down to the screen saver set

point after 30 seconds. Night mode (moon icon) will turn off the back light after 30 seconds. The

display will brighten again once the touch screen is pressed. See (7) to set brightness.

2. The DIP switches icon is used to view the modes set on the control board dip switches.

3. WIFI is used to view your WIFI settings and MAC address. Changes to the WIFI connection must

be made using the smart device application.

4. Temperature adjustment is used to adjust the inside temperature with an offset. This will only

apply to zone 1.

5. The temperature delta icon allows adjustment for one- or two-degree temperature changes

before a cycle begins.

6. Bluetooth is used to reset the Bluetooth password. This password is saved from your account

password. Only one account at a time may access the thermostat. Reset the password whenever

you change your account password.

7. The furnace/Aqua icon selects between a furnace system and an aqua type system for the heat

source. A heat pump or heat strip is still available when set on the dip switches.

8. Brightness settings allow dimming the normal brightness and setting the screen saver

brightness.

9. The back icon will return the display to the operating screen.

10. Reset all will reset the thermostat to factory settings including all set points, schedule events,

and other settings.

11. The QR code will bring you to the Micro-Air EasyTouch page when selected using a QR

compatible phone app. Below the QR code is the serial number for the thermostat and the

firmware revision for the thermostat. Firmware updates can be checked for in the smart device

application.

12. Schedule is used to change the set point automatically at a pre-determined time. See Schedule

operation for more details.

Gas Heat Override

This function is handled by the control board and not the thermostat. It will activate when the

outside temperature falls below the minimum heat pump operating temperature.

Smart device application only features

Reset device

This Bluetooth only feature allows resetting the display just as if you removed and restored

power.

Calibrate Touchscreen

It is normally not necessary to recalibrate the touchscreen. This selection prompts the user to

press the four corners of the display then test the calibration using three diagonal marks. This feature is

only available from Bluetooth since being at the thermostat is required.

Check for updates

Checks to see if any updates are available for the thermostat. The smart device application must

have internet and the thermostat must be connected to WIFI with a green WIFI symbol. Tap Check for

Updates and follow the prompts.

Notifications

Notifications provide a way for the thermostat to communicate back to a smart device like a

tablet or phone. These notifications are indications of the temperature exceeding a set limit. Limits are

set by connecting to the thermostat in the app, selecting the settings gear, and then selecting

notifications. A minimum and maximum allowed temperature can be set. Table 4 shows an example of

operation with an 80°F maximum temperature set. Notification will be sent for each degree it rises

above the maximum temperature. If temperature drops, no notification will be sent unless the

temperature exceeds the last maximum temperature again (82 in the example). If the temperature

drops two degrees below the set maximum, (78 in the example) it will again alert for each degree above

the set maximum. This behavior helps avoids nuisance notifications to your smart device.

Table 3

Temperature °F

Action

Send first notification

Send another notification

81…79

Temperature drops, no

notification

Max temp resets

Ce manuel convient aux modèles suivants

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