Hetta HM01RF User manual

Hetta Systems Ltd
Company registration number: 07774761
Email: [e-mail]
Web: www.hettasystems.co.uk
HM01RF Touch Screen Battery Thermostat
Product Summary
This new design heating thermostat is designed to be used with the Hetta Wireless Wiring Centre
HWC018RF. With a large LCD display it can be positioned within the building, without extra cables.
Technical Data
Power supply: 1.5V*2
Load current: 3A
Consumption: <0.3W
Temperature sensor: NTC
Accuracy: ±0.5ºC
Set-point temperature Range: 5ºC - 60ºC
Limited temperature range: 5-99ºC
Button description
On / off
Mode key: Press to switch between auto/manual time interval control. Allows temporary
manual operation and time interval pre-set function
Time setting: minutes/hours/weeks
Raise temperature setting, + and + to increase programmed parameters
Lower temperature setting, + and + to decrease programmed parameters
Keylock，press for 5 sec to lock and unlock
Note: If the backlight is not on when the thermostat is in operation, this means the battery power is
low, in which case please replace the batteries.
Screen Display
Display Functions
Manual control，Temporary manual control ；Auto control
Water is heating; ；
Morning, the first time interval;
Leaving the house: second time interval;
Lunchtime: third time interval;
Afternoon: fourth time interval;
Evening: fifth time interval;
Night/sleep: sixth time interval;
Anti-freeze function

Time and Programme setting
1) Time setting
Press “ ” enter time setting mode. Each press of “ ” will switch between Hour, Minute & Day
(Days being 1234567), use “ ”or“ ”to adjust settings.
2) Time Period & Temperature Programming
Setting the temperature to 00 ºC will make the time period INACTIVE.
1) Press and hold “ ” button until the display shows “LooP” (cycle control); then, press “ ”or“ ” to
display either “12345” (Mon to Fri ), “123456 “(Mon to Sat) or “123456 7 “(Mon to Sun).
2) Press “ ” to enter the 1st time period ( icons are displayed for each period) and use “ ”or“ ”
to set the desired temperature, then press “ ” and set the required time. The settings are saved
automatically.
3) Press “ ” to switch to the next time period, then “ ” to set the temperature and time.
4) Continue with “ ” to access the remaining time periods.
5) The Auto icon “ ” displayed when the thermostat is in Auto mode.
Pressing “ ”or“ ” during a time period will switch over to temporary manual control “where the
temperature may be set to override the Auto setting. Auto mode is restored at the next time period.
Pressing “ ” switches between Auto “ ” and Manual modes.
3) Modify time period setting
Press“ ” first, then press “ ”; to switch to the time period option to modify time settings.
Default Time Periods
Period
Icon
Default Period Time
Default Period Temperature
Working Day
1
06:00
20ºC
2
08:00
15ºC
3
11:30
15ºC
4
12:30
15ºC
5
17:30
22ºC
6
22:00
15ºC
Weekend
1
08:00
22ºC
2
23:00
15ºC
Advanced Settings (suggestion: contact a technician)
In “power off” state, first press and hold , then press to enter advanced settings, which are
saved automatically once backlight is out. Press to set next data.
No.
Symbols
Setting Item
Parameter Setting Function
Factory Default
1
dIF
Return limit
temperature to value
of external sensor
0.5-4.5ºC
2ºC
2
SVH
Set upper limit
temperature value
5-99ºC
35ºC
3
SVL
Set lower limit
temperature value
5-99ºC
5ºC
4
AdJ
Measure temperature
-5-5ºC
0.5ºC precision
Calibration (actual
temperature)
5
FrE
Anti-freezing function
00:anti-freeze function off
01:anti-freeze function on
00: anti-freeze function
Is off
6
Loc
Keylock
00：unlock
01：all keys locked, except
power key
02：all of the keys locked
00：unlock
7
SNP
Alternate parameter
00 01 (Active)
00
8
FAC
Factory default
08: just display, no other
meaning
00: Restore factory default
settings
08
Wiring Diagram
Please refer to Wireless Wiring Centre User Manual (HWC018RF) for detailed wiring instructions.
It is recommended that a qualified Electrician is consulted, or used for the installation of this product, in
accordance with the current IEE Wiring and Building Regulations.

HM01RF Wireless Pairing Instructions
1. Locate the Bar Code within the Wireless Wiring Centre.
2. To set SN code use the following steps:
3. VAL: control valves 1-8, factory default is 1.
1) Turn the Wireless Wiring Centre ON.
2) After inserting the batteries, turn the Thermostat OFF.
3) Press and hold the TIME button and then press the POWER button. The
Advanced Settings page will now be displayed.
4) Press the MODE button until SNP 00 is displayed, change this to read 01 using
the UP button. (00 = Inactive 01 = Active)
5) Press the MODE button and ensure FAC 08 is shown, then press the POWER
OFF button.
6) Within 10 seconds, press and hold the DOWN button and then press the
POWER button. SN1 and a Flashing Number will now be displayed.
7) Using the UP & DOWN buttons enter the first 2 digits of the 14 digit Barcode
number, found in the Wireless Wiring Centre, then press MODE to display SN2,
and enter the second 2 digits. Repeat this process to SN6.
8) After the sixth 2 digits are entered, press MODE again. CHh will now show the
last 2 digits of the Barcode number.
9) Press MODE again to display VAL and enter the number of the Zone Valve to be
controlled, eg, 02.
10) Press MODE again to go back to the home screen, and test by increasing the
SET TEMP to 2 degrees above the ROOM TEMP. After approx. 3 seconds the
selected Zone Valve Relay will operate.