MCOHOME MH3901-Z Thermostat User Manual

M H3901 -Z Thermostat
User Manual (v1.1)

View all MCOHOME thermostat manual

Introduction

MH3901-Z is a smart boiler thermostat, it can automatically detect the indoor temperature and display the relevant temperature value for boiler heating control. It also can automatically turn on/off the heating system according to the temperature difference. The device can be remotely controlled by the Z-Wave network.

Technical Parameters

• Power Supply: AC/DC 9-24V

• Capacitive: 0.5A

• Display: White LED array

• Temp. Setting Range: 5-37 C

• Accuracy: 0.1 C

• Outcast: Tempered glass + PC alloy

• Dimension : 104*104’20mm

• Installation: 60.3mm hole pitch

• Active Element: Relay switch it

• Maximum Transmitting Power: +3dBm

• Z-Wave Frequency: Operating frequency range, defined by the regulatory bodies (for Z-wave in Europe: 868.0 – 868.6MHz, 869.7 – 870.0 MHz).
  

• Declaration of Conformity
  Hereby, we declare that the device is in compliance with the essential requirements and other relevant provisions of Directive 2014/53/EU.

• WEEE Directive Compliance
  The device marked with this symbol should not be disposed of with household waste. It is the user’s responsibility to deliver the used appliance to a designated recycling point.

• Z-Wave Compliance
  The thermostat is a fully compatible Z-Wave Plus device.

Important Safety Information

Read the instructions before starting up the unit!
This product is not a toy. Keep out of reach of children and animals!
Do not expose the device to moisture, water, or other liquids.
Do not place liquids near or on the device!
Do not attempt to disassemble, repair or modify the device yourself!
This product is for indoor use only. Do not use it outdoors!
CAUTIONS!
** Risk of Electric Shock – More than one disconnect switch may be required to de-energize the equipment before servicing.
Wiring Diagram & Display Functions**

Functions

Power On/Off

Power ON : Under the OFF interface, long press the S2 key to power it up, thermostat enters in normal working interface.
Power OFF: Under normal working interface, long press the S2 button to power it off, and all output is forced OFF.
Temperature Setting
Under normal working interface, press S1 or S3 to modify the setting temperature, then press S2 as confirm, or after 5sec without any operation, it will back to the normal working interface. The temperature setting range is 5-37 C.

Temperature Deadband setting
Under normal working interface, long press SI to enter into temperature dead band setting. Press Si or S3 to modify the value of the temperature Deadband setting, then press S2 as confirming, or after 5sec without any operation, it will back to the normal working interface. The value of the temperature dead band setting is 1.5 C by default. The temperature Deadband setting range is 0.5-5 C
S2 Key Function

1. Z -wave network state: Under a normal working interface, press the S2 key to enter in Z-wave network state interface, if shows mean the device is included in the network if shows  mean the device is not included in the network. Press S2 to switch to the next item or press S1/53 to back to the normal working interface.
   Note: If the device is not with Z-wave function, then the above interface will not display.

2. Output state: Under a normal working interface, press S2 twice to enter the output state interface, if shows the mean output state is ON if shows mean output state is OFF, press S2 to switch to the next item or press 51/53 to go back to the normal working interface.
   Note: If the device is not with Z-wave function, then the above interface will not display.

3. Mode selection: Under a normal working interface, press S2 three times to enter into the Mode Selection interface, press Si or S3 to select mode. The interface shows mean it is in Manual Mode, shows means Energy Saving mode. After setting, press S2 to switch to the next item, or after 5sec without any operation, it will back to the normal working interface.

4. LED Standby brightness setting: Under normal working interface, press 52 four times to enter into LEDstandby brightness setting interface, and press Si or S3 to modify the brightness, there are 3 brightness levels that can be set (All dark: Semi-bright:  Full bright: ) After setting, press S2 to switch to the next item or after 5sec without any operation, it will back to the normal working interface.

Mode Setting
Manual mode: The device controls the room temperature manual.
Room temperature<Setting temperature+ 1 C, Output ON;
Room temperature>Setting temperature – 1 C, Output OFF
Energy-Saving mode: Normal working interface display and indoor temperature. Press 81/S3 can set the device opening time, 20min for a period, set range: 1-20mino
Note: This mode will not follow the setting temperature and the difference in indoor temperature to turn ON/OFF the device.
Temperature Calibration Under shutdown state, long press the SI+53 button then enter the temperature calibration interface, press Si or S3 to switch the value, then press S2 to confirm the setting. The temperature calibration range is -9.9 C — +9.9 C, the default value is 0.

Z-Wave Operation

Including & Excluding of Z-Wave network

Under normal working interface, long press S11-53 to enter in Z-wave Inclusion/Exclusion interface, the interface shows the current Node ID (If shows”- – -“then means the device is not included in the network) a Short press S2, the device enter into learning mode, after learning mode is completed, the device shows Node ID (. Note: According to Node ID display state, we can learn whether the device is included into Z-Wave network or not)
During the Z-wave network learning period, long press S 1+53, will force to quit the Z-Wave learning state, then back to the normal working interface.
Under the Z-wave setting interface, if the device is not entering in learning state, the z-wave Node ID will not blink, press SI or S3 back to the normal working interface.
Command Class supported by the device:

COMMAND_CLASS ZWAVEPLUS_INFO,| COMMAND_CLASS_MANUFACTURER SPECIFIC,| COMMAND_CLASS_SENSOR MULTILEVEL V5,| COMMAND_CLASS_POWERLEVEL,
---|---|---|---
COMMAND_CLASS_THERMOSTAT SETPOINT,| COMMAND_CLASS_DEVICE_RESET LOCALLY,| COMMAND_CLASS_THERMOSTAT MODE,| COMMAND_CLASS_SECURITY_2,
COMMAND_CLASS_CONFIGURATION,| COMMAND_CLASS_SUPERVISION| COMMAND_CLASS ASSOCIATION,| COMMAND_CLASS_BASIC,
COMMAND_CLASS ASSOCIATION GRP_INFO,| COMMAND_CLASS_FIRMWARE UPDATE_MD_V2| COMMAND_CLASS TRANSPORT SERVICE V2,|
tOMMAND_CLASS_THERMOSTAT OPERATING_S-rATE,| COMMAND CLASS VERSION,| |

Association Group

255 parameter setting value 39030
COMMAND CLASS_SENSOR_MULTILEVEL_V5, SENSOR_MULTILEVEL REPORT_V5| When the parameter is set to 1, the amount of temperature change is greater than the parameter sets the value of No.2.
When the parameter is set to 2, the time interval is greater than the setting value of parameter No. 3.
When the parameter is set to 3, the temperature change amount is greater than the parameter setting value of No.2, or the time interval is greater than the setting value of parameter No. 3.
COMMAND CLASS THERMOSTAT MODE_V2, THERMOSTAT_MODE_REPORT| Device mode changes
COMMAND_CLASS THERMOSTAT OPERATING
TATE, THERMOSTAT OPERATING_STATE_REPORT| Device status changes
COMMAND CLASS THERMOSTAT SETPOINT V2, THERMOSTAT_SETPOINT_REPORT_V2|
2| 5| COMMAND CLASS_BASIC,BASIC_SET| Device status changes

Z-Wave Parameter Setting

Number| Function| Size| Description| Default| Possible Values
---|---|---|---|---|---
I| Automatic Temperature Value Reporting| I| 0: OFF
1: Only report the difference, the current temperature and the last temperature of a certain VAC to trigger the reporting
2: Regular reporting only
3:Difference reporting + Interval reporting| I| 0-3
2| Temperature Difference Setting| 2| Base on 0.1 Cunit: n •01 C=0.5 C,| 5| 3-995
3| Timed Report Intervals| 2| Based on Is unit, it suggests being set above the 30s| 60| 10-32767
5| Association 2 SET Command Retransmission Times| 1| 0:Not resend 1-127:Resend times| 3| 0-127
7| Secret Menu P07| 1| Heating period setting unit: min, range:10-120, default:20, step value:1| 20| 10-120
8| Secret Menu P08| I| The heating time should be less than the P07 value.(unit: min, range:I0-120, default:20, step value:1)| 3| 10-120
255| Factory Reset| 2| 17185: Restore default complex parameters 39030: Restore factory settings| 0| 17185,39030

1-Year Limited Warranty

We warrant this device to be free from defects in material and workmanship under normal and proper use for one year from the purchase date of the original purchaser. We will, at its option, either repair or replace any part of its products that prove defective by reason of improper workmanship or materials. THIS LIMITED WARRANTY DOES NOT COVER ANY DAMAGE TO THIS PRODUCT THAT RESULTS FROM IMPROPER INSTALLATION, ACCIDENT, ABUSE, MISUSE, NATURAL DISASTER, INSUFFICIENT OR EXCESSIVE ELECTRICAL SUPPLY, ABNORMAL MECHANICAL OR ENVIRONMENTAL CONDITIONS, OR ANY UNAUTHORIZED DISASSEMBLY, REPAIR, OR MODIFICATION. This limited warranty shall not apply if; (i) the product was not used in accordance with any accompanying instructions, or (ii) the product was not used for its intended function. This limited warranty also does not apply to any product on which the original identification information has been altered, obliterated, or removed, that has not been handled or packaged correctly, that has been sold as second-hand or that has been resold contrary to the Country and other applicable export regulations.

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