CALEFFI SATK20 Series User Manual

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SATK series compact wall-mounted heat interface unit
SATK20 series
INSTRUCTIONS FOR INSTALLATION, COMMISSIONING AND MAINTENANCE
CONTENTS
Safety instructions
Dimensions
Technical specifications
Installation
Commissioning
Electronic regulator
SATK20103HE
SATK20203HE
SATK20303/SATK20403HE
SATK20305
Electric connections
Safety and alarms
Troubleshooting
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3
4
4
6
7
8
10
12
13
Maintenance
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Function
The SATK series heat interface unit allows independent control of heat
regulation and domestic hot water production within centralised heating
systems.
Product range
SATK20103HE Direct wall-mounted HIU for LOW temperature
heating, instantaneous domestic hot water
production, power capacity 40 kW
SATK20203HE Direct wall-mounted HIU for MEDIUM temperature
heating, instantaneous domestic hot water
production, power capacity 40 kW
SATK20303 Direct wall-mounted HIU for HIGH temperature
heating, instantaneous domestic hot water
production, power capacity 40 kW
SATK20403HE Direct wall-mounted HIU for HIGH temperature
heating, instantaneous domestic hot water
production, power capacity 40 kW. With pump on the
primary side.
SATK20305 Direct wall-mounted HIU for HIGH temperature
heating, instantaneous domestic hot water
production, power capacity 65 kW
78165.02 EN
www.cale ffi.c om
Commissioning checklist
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CALEFFI SATK20 Series Specifications

General

Series	SATK20
Application	Domestic hot water systems
Maximum operating pressure	10 bar
Maximum operating temperature	90°C
Temperature adjustment range	35-65°C
Material	Brass body, EPDM seals