1
SATK series wall-mounted direct Heat Interface Unit
Serie SATK22
INSTRUCTIONS FOR INSTALLATION, COMMISSIONING AND MAINTENANCE
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)
.
SATK22107
Direct wall-mounted HIU for LOW temperature
heating. For low temperature heating networks.
SATK22203
Direct wall-mounted HIU for MEDIUM temp.
heating.
Domestic hot water capacity 50 kW
(1)
.
SATK22205
Direct wall-mounted HIU for MEDIUM temp.
heating.
Domestic hot water capacity 60 kW
(1)
.
SATK22207
Direct wall-mounted HIU for MEDIUM temperature
heating. For low temperature heating networks
)
.
SATK22303
Direct wall-mounted HIU for HIGH temp.
heating.
Domestic hot water capacity 50 kW
(1)
.
SATK22305
Direct wall-mounted HIU for HIGH temp.
heating.
Domestic hot water capacity 60 kW
(1)
.
SATK22307
Direct wall-mounted HIU for HIGH temperature
heating. For low temperature heating networks.
SATK22403
Direct wall-mounted HIU for HIGH temp.
heating.
Domestic hot water capacity 50 kW
(1)
.
With primary pump.
SATK22405
Direct wall-mounted HIU for HIGH temp.
heating.
Domestic hot water capacity 60 kW
(1)
.
With primary pump.
SATK22407
Direct wall-mounted HIU for HIGH temperature
heating. For low temperature heating networks.
H0003192.01
www.caleffi.com
(1) Primary side head > 50 kPa, primary flow temperature 70°C,
DHW 10 - 50°C
CONTENTS
Function
The SATK series 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.
Heating function
12
Remote user interface quick guide
10
Commissioning
9
Electrical installation
8
Hydraulic installation
5
Hydraulic components and diagram
4
Dimensions - Technical specifications
3
Safety instructions
2
DHW function - Comfort functions
Primary flow rate limitation
Circulator - curves and setting
Auxiliary microswitch
Modbus
Safety and alarms
Electronic circuit board
Periodic maintenance
Troubleshooting
Commissioning check-list
20
19
18
17
16
15
14
13
24
22
Anti-legionella function
14
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