HIU ultra compact single dwelling unit user satellites
18÷35 kW heating and 10÷50 kW Hot Domestic Water production.
Models "Sat" and "Sat Midi"
From 18 to 35 kW.
Versions: base, plus, in-wall and design.
With heat meter, control and security devices.
District heating substation downstream mount.
PN 10 on primary circuit. Individual accounting and instantaneous DHW supply.
Operator panel with chronothermostat function.
Simplified and economic versions.
Small size.
Strength
RANGE AND PERFORMANCES
- 6 models for district heating and D.H.W. with hot water network and individual meter.
- Heating 18-35 kW.
- D.H.W. 13-22 l/min.
- Large capacity instantaneous domestic hot water also with 55°C water in primary circuit (low summer and night dissipation setting).
MANAGEMENT
- Heating water temperature setting (55÷85°) and DHW (30÷50°C) through PID regulator.
- Operator panel with chronothermostat function , 30m remotable with integrated temperature probe.
- Ready for remote metering and remote control via Meter-bus protocol or other unified protocol.
- Specific software for remote metering and remote control, easy to manage. Integration on existing SCADA (Supervisory Control And Data Acquisition) systems or higher.
- Volumetric cold water meter and possibility to interface with SCADA system via Meter-bus protocol.
SPECIAL FUNCTIONS AND SERVICES
- Germ-free (anti-legionella DHW system).
- Descaling function.
CONSTRUCTION
- Extremely compact dimensions: width 500mm, height 600, depth 150 mm. Removable front cover for easy maintenance, with the possibility to apply a security lock/sealing.
- N° 3 filters with inox AISI 316 net.
- Very sturdy structure, no plastic components.
- High performance pump: 7 w.c.m. 4 m 3/h.
- powder coating steel frame.
- 4 versions: base, in-wall, plus and design.
- Economic version: SAT MIDI.
- Nominal thermal conditions on primary circuit: 80/55°C.
- Nominal thermal conditions on secondary circuit: 80/55°C.
- Nominal thermal conditions on instantaneous DHW circuit: 10/45°C.
- Mechanical design temperature: 95°C.
- Mechanical design pressure on primary/secondary circuits PN10/PN10.
- Ultrasonic heat meter complies with the legislation EN1434/MID.
- Internal circuit power: 24V AC.
- ICE/PED approved through ISPESL with safety redundancy in addition to those required by legislation.
- Amarc DHS components supplier: ALFA LAVAL (heat exchangers) | DANFOSS (Control valves, actuators, and regulators ) SIEMENS (heat meters, regulation valves, actuators) | KAMSTRUP (heat meters) | BRANDONI (valves and check valves) | NAVAL OY (ball valves) | IVR (shut-off valves) | CALEFFI/WATTS (security valve) | WILO (pumps) | HONEYWELL (actuators, two-way and three-way control valves).
Common schematic
Working Conditions
| SAT | SATMIDI | |
|---|---|---|
| CIRCUITS 1/2/ INSTANTANEOUS H.D.W. MECHANICAL DESIGN | PN 10/10/1095/95/65 °C | PN 10/10/1095/95/65 °C |
| PRIMARY CIRCUIT THERMAL DESIGN | 80/55 °C | 80/55 °C |
| SECONDARY CIRCUIT THERMAL DESIGN | 75/55 °C | 75/55 °C |
| PROGETTO TERMICO CIRCUITO ACS H.D.W. | 10/45 °C | 10/45 °C |
| H.D.W. SUPPLY @NOMINAL CONDITIONS | 13 ÷ 22 lt/min | 13 ÷ 22 lt/min |
| PRIMARY CIRCUIT H.D.W. SUPPLY WITH WATER STORE UP @ 55°C | 11 lt/min | 11 lt/min |
| FUNCTIONAL PUMP HYDRAULIC HEAD | 2.5 ÷ 4.5 w.c.m. | 2.5 ÷ 4.5 w.c.m. |
| PRIMARY CIRCUIT PRESSURE DROP | 2.5 w.c.m. | 2.5 w.c.m. |
| CONSUMPTION REMOTE METERING | YES | NO |
| REMOTE CONTROL AND MANAGEMENT | YES | NO |
| HEATING CIRCUIT TEMPERATURE CONTROL | YES | NO |
| H.D.W. TEMPERATURE CONTROL | YES | YES |
Gallery
Our models
| Type | Model | DN 1° (in/out) |
DN 2° (in/out) |
PN 1° (bar) |
PN 2° (bar) |
Tmax 1° (°C) |
Tmax 2° (°C) |
Dimensions (mm) |
Weight (kg) |
|---|---|---|---|---|---|---|---|---|---|
| Hot Water Heating and DHW-direct Brazed plate | SAT 18 | ¾” | ¾” | 10.0 | 6.0 | 110.0 | 95.0 | 500x600x150 | 25 |
| Hot Water Heating and DHW-direct Brazed plate | SAT 28 | ¾” | ¾” | 10.0 | 6.0 | 110.0 | 95.0 | 500x600x150 | 25 |
| Hot Water Heating and DHW-direct Brazed plate | SAT 35 | ¾” | ¾” | 10.0 | 6.0 | 110.0 | 95.0 | 500x600x150 | 25 |
| Hot Water Heating and DHW-direct Brazed plate | SAT MIDI 18 | ¾” | ¾” | 10.0 | 10.0 | 110.0 | 95.0 | 500x600x150 | 25 |
| Hot Water Heating and DHW-direct Brazed plate | SAT MIDI 28 | ¾” | ¾” | 10.0 | 10.0 | 110.0 | 95.0 | 500x600x150 | 25 |
| Hot Water Heating and DHW-direct Brazed plate | SAT MIDI 35 | ¾” | ¾” | 10.0 | 10.0 | 110.0 | 95.0 | 500x600x150 | 25 |