SATK22
1
These instructions must be read and understood
before installing and maintaining the HIU.
CAUTION! FAILURE TO FOLLOW THESE
INSTRUCTIONS COULD RESULT IN A SAFETY
HAZARD!
1
The device must be installed, commissioned and
maintained by qualified technical personnel in accordance
with national regulations and/or relevant local
requirements.
2
If the device is not installed, commissioned and maintained
correctly in accordance with the instructions provided in
this manual, it may not work correctly and may endanger
the user.
3
Flush the pipework thoroughly before installing the HIU to
remove any particles, rust, incrustations, limescale, welding
slag and any other contaminants.
The water circuits must be clean and free from debris.
4
Make sure that all connection fittings are watertight.
5
When connecting water pipes, make sure that threaded
connections are not mechanically overstressed. Over time
this may result in breakage, causing water damage and/or
personal injury.
6
Water temperatures higher than 50˚C may cause severe
burns. When installing, commissioning and maintaining the
device, take the necessary precautions so that these
temperatures will not be hazardous for people.
C
ontent
Function
1
Safety instructions
1
Dimensions and connections
3
Technical specification
3
Components & schematic SATK2210 & SATK2220
4
Components & schematic SATK2230 & SATK2240
5
Installation
6
Heat meter installation
8
Electrical connections
8
Remote user interface
11
Commissioning
10
Remote user interface - quick guide
12
Heating functions
13
DHW functions
15
Primary flow rate limitations
17
Circulator - curves and settings
18
Auxiliary microswitch
19
Modbus
20
Safety and alarms
21
Electric circuit board and connections
22
Maintenance
23
Fault finding
26
Check List
27
Safety Instructions
SATK22
Function
The SATK22 HIU allows independent control of heat regulation
and domestic hot water production within centralised heating
systems or systems served by district heating networks.
The heat interface unit features exceptional flexibility of
installation and remote controllable smart electronic functions
designed to enhance efficiency of the system.
NOTE:
Due to the specification ordered, or the country of
destination, the actual unit may differ from those shown.
Product Range
SATK22103
Direct wall-mounted HIU for
LOW
temperature
heating. Domestic hot water capacity 50 kW
1
SATK22105
Direct wall-mounted HIU for
LOW
temperature
heating. Domestic hot water capacity 60 kW
1
SATK22203
Direct wall-mounted HIU for
MEDIUM
temperature heating. Domestic hot water capacity 50 kW
1
SATK22205
Direct wall-mounted HIU for
MEDIUM
temperature heating. Domestic hot water capacity 60 kW
1
SATK22305
Direct wall-mounted HIU for
HIGH
temperature
heating. Domestic hot water capacity 60 kW
1
SATK22403
Direct wall-mounted HIU for
HIGH
temperature
heating. Domestic hot water capacity 50 kW
1
with primary
pump
SATK22405
Direct wall-mounted HIU for
HIGH
temperature
heating. Domestic hot water capacity 60 kW
1
with primary
pump
1
Primary side head > 50 kPa, primary flow temperature 70˚C,
DHW 10 to 50˚C.
WARNING