CALEFFI SATK Serie Instrucciones De Instalación Y Mantenimiento página 2

Technical specifications
Materials
Frame:
Exchanger:
Connection pipes:
Components:
Performances
Medium:
Maximum medium temperature:
Max. pressure: - primary circuit:
- domestic hot water circuit: PN 10 bar
Min Δp primary side:
Domestic hot water flow rate:
HIU connections:
Primary circuit:
Heating circuit:
DHW circuit:
Box contents:
- HIU
- instruction
- fixing screws
List of components
7
2
1
3
4
steel plate
stainless steel copper brazed
copper
brass EN 12165 CW617N
water, max. 30 % glycol
85 °C
PN 10 bar
40 kPa
min. 1,8 ± 0,3 l/min
max. 18 l/min
3/4" M
3/4" M
3/4" M
5
6
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 flow
side:
SATK15324 ABC
SATK15325 ABC
Dimensions
P
Q Q R
B C
A B
285 34
H
G
39 Ø 9
O P
3/4" M
15
(SATK15325 ABC)
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
2
for low primary system
H
P P P P
R R
D E D
A A
C D
95 70 158
I L
48 215 143 (169)
Q R
65 110
Primary circuit flow
Primary circuit return
Domestic hot water outlet
Domestic cold water inlet
Heating circuit flow
Heating circuit return
DHW 40 kW
P
R Q
F G
E F
105
M N
90 (116)