The S-ASX-LQ range comprises 5 models offering LTHW heating in 55,65,75,85 and 95kW outputs in the A7W35 condition. All the units can generate up to 65 C flow temperature utilising the built-in liquid injection flow temperature booster (LQ). Depending on the model the units achieve a COP of between 4.45 and 4.51 at 7 C ambient air temperature and 35 C flow temperature. The control system allows the unit to be operated in cascade of up to 16 units.
The units are of monobloc design suitable for outside installation and are supplied as standard with a built-in modulating pump, low noise set up and soft start compressor. Heat energy from the ambient air is obtained from the R410A refrigerant circulating inside a bank of copper and aluminium fins and then this energy is passed, after the compression cycle, to the heating circuit through a stainless-steel brazed heat exchanger. The circuit is controlled by the standard supplied temperature probes and pressure transducers and is protected by high and low pressure switches. The plate heat exchanger and all hydraulic pipework is thermally insulated to avoid condensation and avoid heat loss.
The S-ASX-LQ units are fully reversible and can operate in cooling mode in the summer months achieving EER of 3.80 at 35 C ambient air and 18 C flow.
Please note that these product properties are not a replacement for the manufacturer's literature and it is always recommended that Strebel Ltd is consulted before specifying.
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| Cascade Installation (?) | 2 - 16 units | |
| Compressor Type (?) | Scroll with Liquid injection | |
| Fan Type (?) | Axial Fan | |
| Heating Capacity - kW (Air 7⁰C, Water 35⁰C) (?) | 57.7 kW | |
| Max Flow Temperature (?) | 65 °C | |
| No. Fans (?) | 2 | |
| Power Supply (?) | 400v/3ph/50Hz | |
| Pump Type (?) | Modulating | |
| Refrigerant Type (?) | R410A | |
| SCOP at 35⁰C (?) | 4.23 | |
| SCOP at 55⁰C (?) | 3.35 | |
| Sound Power Level (?) | 76 dB(A) | |
| Sound Pressure Level Heating (?) | 72 dB(A) | |
| Source Heat Exchanger (?) | Finned Coil | |
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| Product ID Number (?) | S-ASX-LQ-55 | |
| Typical Building Sector (?) | Commercial , Industrial | |
| Warranty (?) | 2 years | |
| Warranty Description (?) | Parts & labour warranty *conditions apply | |
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| Depth (?) | 930 mm | |
| Height (?) | 1830 mm | |
| Weight (?) | 515 kg | |
| Width (?) | 1730 mm | |
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| CE Marking (?) | ||
| Energy Efficiency Rating (?) | A++ | |
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| Location Suitability (?) | External | |
| Uniclass (?) | Pr_70_60_37_04 Air-to-water heat pumps | |