Tech Controllers L-7 User manual

user’s manual
L- 7
EN
www.tech-controllers.com
user’s manual
L-7

2
User’s manual

3
L-7
Table of contents
I. Safety 4
II. Description of the device 5
II.a) Principle of operation 5
III. Installation 6
III.a) First start-up 7
IV. Main screen view and description 12
V. Controller function 14
V.a) Block diagram of the main menu 14
V.b) Screen view 14
V.c) Manual operation 15
V.d) Zones 15
V.e) Pump 16
V.f) Language 16
V.g) Display contrast 16
V.h) Fitter’s menu 17
V.i) Software version 19
VI. Protections and alarms 20
VII. Software update 21

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User’s manual
I. Safety

carefully. Not obeying the rules included in this manual may lead to personal injuries
or controller damage. The user’s manual should be stored in a safe place for further
reference. In order to avoid accidents and errors it should be ensured that every person
using the device has familiarized themselves with the principle of operation as well as

make sure that the user’s manual is there with the device so that any potential user has
access to essential information about the device.
The manufacturer does not accept responsibility for any injuries or damage resulting from

this manual to protect their lives and property.
WARNING
 High voltage! Make sure the regulator is disconnected from the mains before performing

 
            
electric motors as well as the insulation resistance of the cables.
 The regulator should not be operated by children.
WARNING
 The device may be damaged if struck by a lightning. Make sure the plug is disconnected
from the power supply during storm.
 
 
its cables. The user should also check if the controller is properly mounted and clean
it if dusty or dirty.
Changes in the merchandise described in the manual may have been introduced
subsequent to its completion on February 28th 2016. The manufacturer retains the right
to introduce changes to the structure. The illustrations may include additional equipment.

We are committed to protecting the environment. Manufacturing electronic
devices imposes an obligation of providing for environmentally safe

entered into a register kept by the Inspection For Environmental Protection.
The crossed-out bin symbol on a product means that the product may not
be disposed of to household waste containers. Recycling of wastes helps to
protect the environment. The user is obliged to transfer their used
equipment to a collection point where all electric and electronic components
will be recycled.
WARNING

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L-7
II. Description of the device
 
         

wide range of functions:
 - possibility of controlling up to 22 thermostatic actuators via 8 room sensors (C-7p):
 - 3 room sensors may support up to 12 actuators (the maximum of 4 actuators per
one sensor);
 - 5 room sensors may support up to 10 actuators (the maximum of 2 actuators per
one sensor)
 - one 230V output for a pump
 - voltage-free contact (e.g. for controlling the heating device)
 - possibility of connecting ST-507 Internet or WiFi RS to control the system via the
Internet
 - possibility of connecting M-7 wireless control panel with RS communication
 - possibility of connecting ST-61v4 or ST-431n valve module
 - possibility of updating the software via USB
Controller dimensions
II.a) Principle of operation
L-7 controller decides if a given zone needs to be heated on the basis of current temperature
value sent by the room sensor (C-7p) as well as the individual operation algorithm of the
zone.
 
be used e.g. for controlling the heating device.
          
controller activates CH pump.
The signal from each zone is transmitted to L-7 controller via room sensors.
In each zone the user installs wired valve actuators STT-230/2.

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User’s manual
III. Installation

WARNING
Risk of fatal electric shock from touching live connections. Before working on

switched on.
1. Cover (it should be removed to connect the devices to be controlled)
2. Display
3. Buttons
L-7 controller may be installed as a free-standing device or as a panel mountable on a wall.
The controller may be installed on a DIN strip
12
3

7
L-7
III.a) First start-up
              

1. Connect L-7 with all the subordinate devices to be controlled
2. Switch on the power supply and check if the devices work.
3. Activate the Internet module.
4. Set current time and date.

Step 1: Connect L-7 with all subordinate devices to be controlled
Remove the cover and connect the wires following the clues on the connectors and the
diagrams presented below.
Follow this order while connecting:
- all the necessary valve actuators ST-230/2 (connectors 1..8)
- Internet module (using RS cable)
- pump
- an additional device
III. Installation

WARNING
Risk of fatal electric shock from touching live connections. Before working on

switched on.
1. Cover (it should be removed to connect the devices to be controlled)
2. Display
3. Buttons
L-7 controller may be installed as a free-standing device or as a panel mountable on a wall.
The controller may be installed on a DIN strip

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User’s manual
10 11 12 13 14 15 16 17
RS
1 2 3 4 5 6 7 8
9
18
RS

9
L-7
urządzenie
grzewcze
1 2 3 4
5 6 7 8
910 11 12 13 14 15 16 17
18
RS
RS
RS
RS
RS
lub
WiFi
ST-431n
ST-507
Pictorial diagram presenting wiring and communication with other devices in the system

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User’s manual
STEP 2: Switch on the power supply and check if the devices work

Use Manual operation function in order to check if particular devices work properly. Use
▲ and ▼ to select the device and press MENU – the device should switch on. Follow this
procedure to check all the devices.
STEP 3: Activate the Internet module
L-7 external controller is compatible with ST-507 and WiFi RS.
WiFi RS uses WiFi wireless network whereas ST-507 needs to be connected to a router with
RJ45 network cable.
Connection diagram for ST-507 Internet module.
L-8
WiFi RS
ROUTER
Connection diagram for WiFi RS.
ST-507 Internet module or WiFi RS should be connected as illustrated in the diagrams

steps are described in detail in the instruction manual for the Internet module.
L-8
ST-507
ROUTER