ClimaControl
Which AC models are supported?
Models with a CNS port:
- SRR*ZJ-S
- SRR*ZM-S
- SRF*ZIX-S
- SRF*ZJX-S
- SRF*ZMX-S
- SRF*ZMXA-S
- DXK*ZJ-S
- DXK*ZL-S
- DXK*ZM-S
- DXK*ZMA-S
- SRKCTB
- SRK*ZG-S
- SRK*ZHX-S
- SRK*ZJ-S
- SRK*ZJX-S
- SRK*ZL-S
- SRK*ZM-S
- SRK*ZMA-S
- SRK*ZMX-S
- SRK*ZR-S
- SRK*ZR-W
- SRK*ZS-S
- SRK*ZS-W
- SRK*ZSX-S
The temperature has reached my setpoint, but the AC is still operating
The Climate Control control logic is designed to try to reach the setpoint as soon as possible.
When the setpoint has been reached, the AC usually over- or undershoots the temperature(depending on heating or cooling) by 1 degree celsius.
If your AC is consistently over- or undershooting this temperature by 2 or more degrees celsius, most likely the temperature offset in the AC is still active. This offset is normally used to compensate for the position of the indoor temperature sensor, but should be turned off when using an external sensor.
To do this, perform the following steps:
- Power on the AC
- Make sure that the indoor unit is off
- Press and hold the emergency button for 30 seconds
- Wait until you hear two bleeps
- The offset is now disabled
In some cases, the AC also adds a 1 degree offset to the setpoint. This is for example when you turn on 3D auto.
This offset cannot be disabled.
I already have a pre-installed wifi module or external WF-RAC
When the system comes with a wifi module pre-installed(-xF models) or has an external wifi module(WF-RAC), the CNS port is already occupied by this module.
In this case you need to connect the Climate Control in between the WF-RAC and the AC’s CNS port.
External wifi module WF-RAC
Connect the Climate Control module to the CNS port using the supplied cable.
Then connect the WF-RAC to the EXT port of the Climate Control module.
Pre-installed wifi module(-xF models)
Remove the module from the AC. Open the enclosure and remove the cable with small connector from the wifi module.
Insert this cable in the Climate Control module(MAIN port). Then insert the supplied cable into the EXT port and click the other end of this cable into the internal wifi module.
Wifi setup of pre-installed internal WF-RAC module
When installing a new system, the pre-installed internal WF-RAC module needs to be paired with wifi first.
The pairing procedure as outlined in the Mitsubishi manual using the remote will currently not work.
After setting up the wifi connection and Smart-M app, only then connect the Climate Control in between.
Pairing the wireless thermometer
To be able to setup and find the wireless thermometer using the Climate Control web interface, a user first needs to connect the Climate Control module to a wifi network. If you are connecting to the Climate Control module in accesspoint mode, the scanning for the wireless thermometer will fail.
Status LED brightness
When the Climate Control module needs to be installed in a position where the status LED is visible, the status LED could be a nuisance to the user.
Using the web interface it is possible to dim the status LED or turn it off completely.
Wireless temperature sensor information
Display
The wireless temperature sensor shows three variables on the display:
– Temperature (Always visible)
– Humidity level (percentage)
– Battery level (percentage)
The humidity and battery level will alternate visibility every few seconds. When there is a half-empty battery icon visible in the display it will show the current battery level. Otherwise it will show the humidity.
Battery
The battery lasts about one season. It is a generic CR2032 battery available in many stores.
Temperature setpoint limit
It is possible to limit the temperature setpoint of the AC.
This is useful to meet regulatory requirements. For example, in several EU countries the temperature during the summer cannot be set below a certain point.
The user can still set the temperature to a temperature setpoint below or above the limit.
However, internally the Climate Control module will correct this within 1 minute to the temperature limit setpoint. This change will not be visible on the IR remote controller.
Automation software
The Climate Control supports two communication methods to connect to automation software:
- HTTP REST API
- MQTT
MQTT version 3.1.1 and later is currently supported. The Climate Control is a MQTT client, so you will need to setup a centralised MQTT broker.
Home leave mode
Home leave mode that is normally available through the Smart-M air app is currently not available when connecting the Climate Control module.
Forcing Heating/Cooling during installation and testing
After installing an AC, usually a report needs to be draw up which contains measurement of temperature, pressures, etc during heating and cooling.
Many installers use a hair blower to heat the AC and force it into cooling.
When testing cooling performance, hold the wireless sensor in your hand. After 30 seconds it should reach 37 degree celsius and the AC will operate at maximum power.
When testing heating performance, temporarily put the wireless sensor in for example a fridge or hold some ice in a bag close to it.
This will force the AC to operate at maximum power.