CALEFFI SATK Series Installation, Operation And Maintenance Manual

Wall-mounted Heat Interface Unit - HIU, SATK series
© Copyright 2023 Caleffi
INSTALLATION, OPERATION AND MAINTENANCE MANUAL
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
2
7
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
1 - DHW priority switch
2 - DPCV
3 - Manual air vent
5
4 - Brazed heat exchanger
6
5 - Mechanical modulating valve
6 - DCW strainer
7 - Port for temperature probe
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 DPCV on the flow
side:
SATK15324 DPCV
SATK15325 DPCV
Dimensions
G
E
E
D B
A
A B
210 70 157
G H
83,5 218
(SATK15325 DPCV)
with manual pre-set
1
www.caleffi.com
SATK15
for low primary system
H
E
I
E E E
C B
A
C D E F
73,5 3/4" 175
I L M N
9 130 (169) 78 (117) 48
Primary circuit flow
Primary circuit return
Domestic hot water outlet
Domestic cold water inlet
Heating circuit flow
Heating circuit return
78265.01
EN
DHW 40 kW
O
20
P
15