Building equipment » Products » Air-to-water heat pump » Air-to-water heat pump LI 4 » Technical data
Technical data
Key data at a glance!
The HV unit is perfectly tuned. The heat pump has a high coefficient of performance (COP).
Technical data | LI 4 | |
---|---|---|
Recommended for buildings with a heat output at -14°C outside temperature | kW max. | 1 to 4 |
HEAT PUMP | ||
Operating limit air temperature | °C | -16 to +35 |
Max. heat pump flow / min. return flow temperature | °C | 55/25 |
Air volume flow outside air/outgoing air | m³/h | 1500 |
Compression available externally outside air/outgoing air | Pa | 20 |
Heating water flow rate recommended/internal pressure loss (at dT 10K=approx. 0.1 better COP) | m³/h / bar | 0.8/0.06 |
Heating water flow rate max./internal pressure loss (at dT 5K) | m³/h / bar | 1.6/0.20 |
Nominal heat output/coefficient of performance A7/W35 | kW/COP | 5.40/4.91 |
Nominal heat output/coefficient of performance A7/W45 | kW/COP | 5.10/3.92 |
Nominal heat output/coefficient of performance A2/W35 | kW/COP | 4.50/4.09 |
Nominal heat output/coefficient of performance A2/W45 | kW/COP | 4.30/3.58 |
Nominal heat output/coefficient of performance A-7/W35 | kW/COP | 3.20/3.37 |
Nominal heat output/coefficient of performance A-7/W45 | kW/COP | 3.10/2.82 |
Power consumption scroll compressor A2/W35 | kW | 1.10 |
Refrigerant /filling quantity | type/g | R134a/2000 |
DIMENSIONS, CONNECTIONS, WEIGHT | ||
Dimensions H/W/D | cm | 108x65x75 |
Air connections heat pump outside air/outgoing air | DN | 400 |
Condenser-storage tank connections | DN | 1 1/4" IG |
Condensate connection (hose) | DN | 3/4" |
Weight | approx. kg | 180 |
ELECTRIC CONNECTION | ||
Rated power/protection | kW/A | 5.88/C16 |
Operating current scroll compressor | A | 6 |
Starting current scroll compressor | A | 32 |
Voltage/frequency | V/Hz | 400/50 |
Protection class according to EN 60529 | IP | 20 |
SOUND LEVEL LpA at 1 m distance with 100% HP | ||
Noise radiation housing | dB(A) | 52 |
Duct “to outdoor” without silencer | dB(A) | 68 |
MISCELLANEOUS | ||
Housing | steel sheet | |
Colour | white | |
Place of installation | inside |
Download
Title | Format | |
---|---|---|
Brochure | PDF | 1.070 kB | Download |
Project Planning Manual HTZ+LI | PDF | 15,075 kB | Download |
Project Planning Manual Air distribution | PDF | 5,295 kB | Download |
Operating Instructions HTZ | PDF | 14,431 kB | Download |
Plant price list | PDF | 2,982 kB | Download |
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Planning Aids
Key Information for planning heat pump & ventilation
» Project Planning
Manual HV
unit/heat pump/
ventilation
» Project Planning
Manual Air distribution
» Annual performance factor
» Examples of installations