Herschel MD1 Manuel utilisateur
MD1 Wired Thermostat
MD1 WIRED
THERMOSTAT
The Herschel iQ MD1 is a 16 amp thermostat enabling
up to 3.6 kW of Herschel Heaters to be connected
through a single, easy to use control. MD1 is wired
directly to the mains circuit powering the heaters. When
used in conjunction with the iQ HUB, MD1 can also be
controlled via the internet using the Herschel iQ app.
MD1 is easy to operate and incorporates Herschel’s open
window technology to save energy. MD1 has a keypad
locking feature to prevent unauthorised tampering with
the settings and it can be programmed to control zones
up to 45°C, making it suitable for commercial use and for
specialist high temperature applications such as hot yoga
studios.
MD1 features 2 manual modes and 7 x 1 day
programming with up to 6 programmes per day. The MD1
will operate your Herschel heater(s) by turning them ON
if the room temperature is lower than the desired
temperature and will turn them OFF once the desired
temperature is reached or exceeded.
Please read these instructions carefully. MD1 operates
stand-alone, but must be paired to the iQ HUB if internet
operation is required.
Key features
• Mains operated
• Easy to use large LCD display
• Wall installation
• 7 x 1 day programmable, 6 periods per day
• 2 modes including Comfort and Economy
• Open window function
• 5°C - 45°C operation
• Keypad Lock
• Wireless 433Mhz
• CE, Rohs, RED approved
• 12 month warranty
The MD1 will require a single gang 46mm deep
pattress box for recessing into a wall, with access
to the mains circuit powering the heaters. Position
far enough away from the Herschel infrared heaters
to allow it to sense an average room temperature.
MD1 WIRED THERMOSTAT
Displays & Buttons
Operating Instructions
To pair with the Herschel iQ Internet Hub (if
purchased):
•Place hub into “waiting for pairing” (see iQ Hub
instructions)
•Turn Off the MD1 controller by pressing
•Refer to the location of Mode Adjust and Setting
buttons & in the diagram above for the next steps.
•Long press the Mode Adjust button
until a 4 digit code appears on the screen.
•Then press the Setting button . The code will
flash. Pairing is complete when the code stops
flashing.
Time and Day setting
1. Turn MD1 on.
2. Press for 3 seconds until the
minutes display flashes. Press or
to change the value (each press = 1 minute).
3. Press the button again to change
the hour display. Press or to
change the value (each press = 1 hour). This
is a 24 hour clock.
4. Press the button again to change
the day. Press or to select the
day (1-7 for Monday – Sunday so e.g. Friday is
5).
MD1 WIRED THERMOSTAT
5. Press to exit back to the main
screen.
Mode temperature settings
The MD1 has 2 temperature modes. Use these modes
if the 7 day schedule is not required, or to override the
schedule – for example select “Comfort” if you are at
home all day, or “Energy Saving” to economise on
heat.
1. Press to select mode.
The Comfort mode is displayed as a symbol (top
left of display).
The energy-saving mode is displayed as a
symbol (top left of display).
The Program mode is displayed as (the number
denotes which period of the day is active).
To Set Mode Temperature:
In Comfort or Economy modes press
and to set the desired mode temperature. The
temperature will flash while it is saved and then return
to a steady display of current room temperature.
To select a mode at any time, press the button
and choose your required mode. The selection will
override the program schedule or current temperature
setpoint until another mode is selected.
Program Mode
The MD1 has a 7 x 1 day timer (Monday to Sunday)
with 6 periods per day. For example, you could
choose Period 1 to be the temperature you wake-up
to; Period 2 the morning set-back temperature;
Period 3 the lunch-time temperature; Period 4 the
afternoon setback temperature; Period 5 the evening
temperature and Period 6 the overnight temperature.
Unlike conventional heating, Herschel Far infrared
directly heats the room (the “Thermal Mass”). For
areas in frequent use it is more economical to avoid
temperatures dropping too low as the heater will
need to be on for a much longer period to restore
temperatures. We recommend overnight setback
temperatures of no lower than 14°C and daytime
temperatures of 16°C and above. Always try to
program the schedule so a room is at the
temperature you want by the time you want. For
example if you want it to be 21°C by 0700 am,
consider starting the program at 0600 a.m.
To set the 7 days program
•Press for 3 seconds to start the 7 x 1 day
program setting. The First period of the First day
is selected.
•Press or to set the time of the first
period of the day’s program.
•Press and to select the
desired temperature setpoint.
MD1 WIRED THERMOSTAT
•Press again to proceed to the next
period.
•Repeat the above procedure for each period of
each day.
The default settings you will receive with your
MD1 are as follows:
To select Program Mode press until
is displayed as the mode.
The schedule will then operate until another mode is
selected.
Temperature can always be overridden manually by
pressing the Up and Down buttons. The temperature
will remain at this setting until the next programmed
change occurs.
For example, using the above table, if it was 16:00 on
a Monday, the thermostat would be set to 20°C. If you
wished to increase the temperature to 21°C, press
to increase temperature to 21°C. The
thermostat would then retain this setting until 23:00
when the period 6 schedule would reduce the set
temperature to 16°C.
All Days
Period 1
0600 20℃
Period 2
0900 16℃
Period 3
12:00 16℃
Period 4
14:00 16℃
Period 5
16:00 20℃
Period 6
23:00 16℃
Keypad Lock
The Keypad Lock function can be selected On or Off
in the parameter settings (see Parameter Settings
below). It is Off by default. Keypad lock is indicated
by a Padlock at the top left of the display.
You can press for 5 seconds to unlock
the keypad for a temporary adjustment. The keypad
will lock again once the backlight on the display
switches off.
Window Open Detect
When temperatures are above 14°C if the system
detects a drop of 2°C in a 15 minute period, the
heating will automatically be stopped (if it is on). The
letters OP will display instead of the temperature
display. The MD1 will return to the previous mode
of operation after 60 minutes and the current room
temperature will replace the letters OP once again.
Pressing any button during the 60 minute period will
exit the Open Window function and resume previous
operations.
In Parameter Settings, you can disable the Window
Open Detect function; change the temperature
drop detected; change the period within which the
drop is detected and change the period the heater
remains off. See Parameter Settings.
Failsafe Mode
If the MD1 is paired to the iQ Hub and fails to receive
any commands for more than 30 minutes, the MD1
will stay on its current settings. This feature ensures
that the heater can still operate in case of loss of
signal from the iQ Hub.
MD1 WIRED THERMOSTAT
Parameter Settings
With the MD1 turned Off, press the location of the button for 5 seconds to enter the parameter
setting.
Each press of the button will select the next available parameter. Pressing and
will change the individual parameter. Press to save and exit.
Item
Description
Range
Default Value
01
Temp. calibration
-8°C - 8°C
0°C
02
Max Temp setpoint
5°C - 45°C
35°C
03
Min Temp setpoint
5°C - 45°C
5°C
04
Sensor select
0 Room only
1 External only
2 Room + External
0 (Room only)
05
Frost Protection Temp.
5°C - 15°C
5°C
06
Temp Calibration for external sensor
-8°C - 8°C
0°C
07
Temp detection by external sensor
Read Only
08
Overheat protection setting
20°C - 80°C
32°C
09
Dead Zone
0 - 3°C
0°C
11
Keypad Lock
1: Lock 0: Unlock
0 (Unlock)
12
Open Window Detect
1: ON 0: OFF
0 (OFF)
13
OW Detect Time
2 – 30 mins
15 mins
14
OW drop temp
2, 3 or 4°C
2°C
15
OW Stop Time
10 – 60 mins
30 mins
17
Factory Reset
0: No 1: Yes
(To reset, select 1, then
turn the unit off and on
again)
0
MD1 WIRED THERMOSTAT
Dimensions (mm)
The MD1 is 86mm x 86mm and the front display is 16.5mm thick. A single gang pattress box 46mm deep is
required for mounting, and mounting holes are 60mm apart.
Wiring
Wiring the MD1 should be carried out by a
qualified electrician. Ensure power supply to the
MD1 is turned OFF before wiring or unwiring the
MD1. Maximum load is 16A / 3.6kw at 230v.
The MD1 can be used to control several
Herschel heaters but the maximum wattage of
3.6kw (3,680w) must not be exceeded. Do not
use for any other non-Herschel heating
devices. INDOOR USE ONLY.
Wire mains Live to terminal 1, Neutral to terminal 2 and Earth to terminal 5. Wire the load to heater: Live to
terminal 4, Neutral to terminal 3 and earth to terminal 5.
MD1 WIRED THERMOSTAT
Installation
Technical Information:
Frequency 433 MHz
Power Supply 110 - 230VAC, 50/60Hz
Set Point Range 5~45℃
Ambient 0~50℃
Relative Humidity 85%
Backlight White
Sensor NTC 10K, 3950ohms at 25℃
Accuracy ± 0.5℃ (step control by +0.5℃)
Protection Class IP30
Housing ABS to UL94-5 fire retardant
plastic
Certifications:
EN60950 Information Equipment Safety
EMC ETSI EN301 489
Radio ETSI EN300220
EMC EN61000-6-3: 2007 + A1: 2011 EMC
EN61000-3-2:2014
EMC EN61000-3-3: 2013
EMC EN61000-6-1:2007
ISO 9001: 2008 Compliant Manufacture
EN60730-2-9:2010 with EN60730-1:2011
(Safety of Automatic Electrical Controls)
RoHS 2011/65/EC
REACH 1907/2006/EC
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