Dimensions
Function
The SATK Heat Interface Unit (HIU) independently controls the heating
and domestic hot water generation in an individual apartment within a
centralised boiler or district heating system.
Product range
HIGH temperature wall-mounted HIU instantaneous production
of DHW, mechanical regulation with 30 kPa ABC on the ow
side:
SATK15324 ABC DHW 40 kW
SATK15325 ABC
for low primary system
Technical specications
Materials
Frame: steel plate
Exchanger: stainless steel copper brazed
Connection pipes: copper
Components: brass EN 12165 CW617N
Performances
Medium: water, max. 30 % glycol
Maximum medium temperature: 85 °C
Max. pressure: - primary circuit: PN 10 bar
- domestic hot water circuit: PN 10 bar
Min p primary side: 40 kPa
Domestic hot water ow rate: min. 1,8 ± 0,3 l/min
max. 18 l/min
HIU connections:
Primary circuit: 3/4” M
Heating circuit: 3/4” M
DHW circuit: 3/4” M
Box contents:
- HIU
- instruction
- xing screws
List of components
1 - DHW priority switch
2 - DPCV
3 - Manual air vent
4 - Brazed heat exchanger
5 - Mechanical modulating valve
with manual pre-set
6 - DCW strainer
7 - Port for temperature probe
(SATK15325 ABC)
7
2
3
4 5
1
A
285
39
15
G
OPQR
C
48
95
I
B
34
Ø 9
3/4” M
H
215
70
D
L
143 (169)
158
E
M
90 (116)
105
F
N
A
C D E D F
GB
L
I
M
N
P P
P
P
PP
H
A
O
Q R R R R
Q
Q
Primary circuit flow
Primary circuit return
Domestic hot water outlet
Heating circuit flow
Heating circuit return
Domestic cold water inlet
6
2