MCOHome MH7-EH-EU Mounting instructions

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Water /Electrical Heating Thermostat
MH7-WH-EU / MH7-EH-EU
Introduction
MCOHome Water / Electrical Heating Thermostat is a Z-Wave enabled device for indoor
temperature control. MH7-WH-EU is mainly applied to control wall mounted boiler, water
valve/pump etc. , while MH7-EH-EU for electrical heating system. The device is of high
reliability and practicability. And can be included and operated in any Z-Wave network with other
Z-Wave certified devices from any other manufacturers.
Features：
Capacitive touch buttons
Tempered glass panel, PC alloy enclosure
Precise temperature calibration function
Attractive appearance
Clear display, easy to operate
Specification
Power Supply：AC220V±10﹪, 50/60HZ
Output: MH7-WH-EU ≤5A ; MH7-EH-EU≤ 16A
Self Consumption：≤1W
Internal Temp. Sensor: NTC 15K
External Temp. Sensor(optional): NTC R25℃=15KΩB25℃/50℃=3550K
Working Environment：0-50℃; <90% RH（Non-condensation)
Temperature Setting：5-37 ℃（41-98℉）（Adjustable）
Dimension：86* 86*43mm
Hole Pitch：60-61mm
Safety Information
To protect yourself and others from danger and to protect the device from damage, please read the
safety information before using it.
Important!
A qualified electrician with the understanding of wiring diagrams and knowledge of electrical
safety should complete installation following the instructions.
Before installation, please confirm the real voltage complying with the device’s specification.
Cut off any power supply to secure the safety of people and device.
During installation, protect the device from any physical damage by dropping or bumping. If
happens, please contact the supplier for maintenance.

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Keep the device away from acid-base and other corrosive solids, liquids, gases, to avoid
damage.
Avoid overexertion during operation, to protect device from mechanical damage.
Read all instructions and documentation and save for future reference.
Installation & Wiring
Location:
Thermostat is suggested to be installed indoor, a place with around 1.5m height above the
floor where represents the average room temperature. It should be away from direct sunlight, any
cover, or any heat source, to avoid false signal for temperature control.
CAUTION: Cut off power supply at circuit breaker or fuse before installation to avoid fire,
shock or death!
Step 1: Separate the device into two parts: the display
panel and the bottom.
Step 2: Insert all wires into the right terminals and
tighten screws. Wiring diagrams are shown below.
Step 3: Push the bottom into the junction box and
secure it with two screws, and then mount the touch
panel back.
Step 4: Confirm the device is well mounted, power on and it is ready to operate.
(1) Wall-boiler (2) Normal close valve (3) Electrical heating
Button & Display

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Operation
On/Off operation
When power on, thermostat displays “OFF”，all outputs are forced off. Touch S3 button to
enter normal display. Device displays current week, local time, working mode, the current
temperature, output status etc.
℃/℉setting
In normal operating interface, long press S2 button can switch between ℃and ℉.
Temperature setting
In normal operating interface, touch S4 or S5 can enter temperature setting. The setting range
is 5-37 ℃（41-98℉）. Then press S4 or S5 can change value. Press S3 or wait 8 seconds without
any key operation will save the setting and return to normal operation interface.
Auto Mode: The changed value only valid in the current time period for this time, and
device will follow default setting in following time periods.
Manual Mode: The changed value will be valid until next manually setting.
Vacation mode: The changed value will be valid until next setting.
Working explanation
MH7-WH-EU
Indoor temperature ≤ setting temperature - 0.5 ℃, output activated, and output icon
displays.
Indoor temperature ≥ setting temperature + 0.5 ℃, output turned off, and the icon
disappears.
MH7-EH-EU
Indoor temperature ≤ setting temperature - 1.5 ℃, output activated, and output icon
displays.
Indoor temperature ≥ setting temperature , output turned off, and the icon disappears.
Manual / Auto mode setting
Touch S3 can switch between Manual and Auto mode. Choose one and wait for 3 Sec can
confirm the chose.
Auto Mode: Device follows the default time periods and temperature to control heating
system automatically.
Manual Mode: Device follows the manually setting to control heating system.
Vacation mode setting
In normal operating interface, touch S2 button to enter Vacation mode temperature setting.
The default temperature is 10 ℃, and setting range is 5-37 ℃（41-98℉）. Press S4 or S5 to
change value, then press S3 or wait 8 seconds without any key operation will return to
normal operation interface. Vacation mode icon displays, and device will follow the setting.

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Touch S2 again will end Vacation mode and resume normal work, vacation mode icon will
disappear.
Local Time Setting
In normal working interface, long press S1 to enter the local time setting interface.
In local time setting interface, press S3 key can switch among “week, hour & minute”, and
press S4 or S5 can set the value of the items.
After finish local time setting, touch S1 or wait 8 seconds without any key operation will
save the setting and return to normal display.
Time periods setting
In normal working interface, touch S1 to enter time periods setting. Four time periods can be
set for each day of the whole week.
Press S3 can switch among “Hours, Minutes, Temperature value”. Press S4 or S5 can change
the value. Then press S3 save the setting and enter to set next period.
After finished the setting of 4 time periods on Monday, press S1 and follow the same way to
set periods of next days.
After all periods set, press S1 /S2 or wait 8 seconds without any key operation will save the
setting and return to normal display. Device will operate in accordance with the new setting.
The default setting is as follow:
High temperature protection (MH7-EH-EU ONLY)
If indoor temperature detected by temperature sensor ≥55 ℃, device will open high
temperature protection, electric heating will be forced off, and high temperature protection icon
displays.
If indoor temperature detected by temperature sensor ＜50 ℃, device will end high
temperature protection and return to normal work, high temperature protection icon disappears.
Anti-freeze protection function: (Optional)
In shutdown interface:
If indoor temperature detected by inner sensor≤5℃, device will open anti-freeze protection,
electric heating will be forced open, and anti-freeze protection icon displays.
If indoor temperature detected by inner sensor ＞8℃, device will turn off anti-freeze
protection and return to normal work, anti-freeze icon disappears.
Week\Periods
Period 1
Period 2
Period 3
Period 4
Mon~Fri
5:00 18℃
7:00 16℃
16:00 22℃
21:00 16℃
Sat~Sun
6:00 18℃
8:00 16℃
16:00 22℃
21:00 16℃

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Z-Wave Operation
Including & Excluding of Z-Wave network
Under the shutdown state, press & hold S2 to enter interface for inclusion or exclusion of
Z-Wave network. Before device included into network, “- - -” will display on the screen. Then
press S4 once, device will enter learning mode to get a node ID. If inclusion is success, a node ID
will display on the screen in a few seconds.
A node ID can always inform us whether the device is in the network or not.
Note: Follow the same steps to exclude the device from the network.
After inclusion, turn off the device and
then turn it on. Now the device is ready to be
operated by controller/ gateway in Z-Wave
network.
Association Group
Thermostat supports 1 association group. A gateway is suggested to associate with this
group. Then if any changes happen, such as: temperature, working mode, etc., the thermostat
will report to this associated device (gateway).
Command Class supported by the device:
COMMAND_CLASS_BASIC;
COMMAND_CLASS_THERMOSTAT_SETPOINT;
COMMAND_CLASS_THERMOSTAT_MODE;
COMMAND_CLASS_THERMOSTAT_OPERATING_STATE;
COMMAND_CLASS_SENSOR_MULTILEVEL;
COMMAND_CLASS_ASSOCIATION;
COMMAND_CLASS_VERSION;
COMMAND_CLASS_MANUFACTURER_SPECIFIC
Note:
This device supports 4 kinds of modes in Z-Wave: Off mode; Heating mode (Manual);
Energy Saving heating mode (Auto) ; Away heating mode (Vacation).
Users can set these 4 modes via COMMAND_CLASS_THERMOSTAT_MODE. And
COMMAND_CLASS_BASIC can switch among Heating mode & Energy saving heating mode.
COMMAND_CLASS_THERMOSTAT_SETPOINT can be used to set the heating
temperature threshold value in Heating mode or Energy saving heating mode.
1-year Limited Warranty
MCOHome warrants this product to be free from defects in material and workmanship under
normal and proper use for one year from purchase date of the original purchaser. MCOHome 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 Country and other applicable export regulations.

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Secret Menu
In shutdown state, long press S1+S5 synchronically can enter into secret menu. Press S4 or
S5 to enter code 5138. Touch S3 to enter setting interface. Following are parameters which can be
set.
Item
Explain
Default
Range
Remark
P00
Restore factory
setting
Display: 53
00—99
Change 53 to 55,
and press S3 to
confirm
P01
Temp. Setting
upper limit
37℃（98℉）
00—99.5℃（32-211℉）
Always confirm the
upper limit ＞
bottom limit
P02
Temp. Setting
bottom limit
5℃（41℉）
00—99.5℃（32-211℉）
P03
Reserved
99.5℃
00-99℃
invalid
P04
Reserved
00℃
00—99℃
invalid
P05
Temp. differential
for turn on device
MH7-WH-EU：
0.5℃（1℉）
0—10℃（0-20℉）
MH7-EH-EU: 1.5℃
（3℉）
P06
Temp. differential
for turn off device
MH7-WH-EU：
0.5℃（1℉）
0—10℃（0-20℉）
MH7-EH-EU: 0℃
P07
Anti-freeze
protection function
OF
ON—OF
ON:open
OF: close
P08
Anti-freeze open
temp.
5℃（41℉）
0—10℃（32-50℉）
P09
Anti-freeze close
temp.
8℃（46℉）
0—10℃（32-50℉）
P10
High temp.
Protection
MH7-WH-EU
0:function closed
0--99℃（32-211℉）
MH7-EH-EU :
55℃（131℉）
*P11
Power failure
memory
2
0--2
P12
Reserved
0
0--3
invalid
P13
Temp. calibration
0
-5--+5℃（-10--10℉）
P14
Reserved
OF
ON-OF
invalid
P15
Backlit energy
saving mode
ON
ON-OF
ON: open
OF: close
P16
Reserved
0
0--3
invalid
P17
Temp. format
0
0--1
0:℃1:℉
*After power failure:
0 indicates device will be in shutdown state (“OFF”) when power on again;
1 indicates device will be in working interface when power on again;
2 (default) indicates device will stay the status before power failure when power on again.