GEMINI G

Air cooled chillers

Air source heat pumps featuring hermetic scroll compressors.

Nominal cooling capacity 49,8 – 116 kW
Nominal heating capacity 54,6 – 130 kW

GEMINI G HP is our latest heat pump family, developed to always satisfy the needs of air conditioning applications by combining high efficiency, many customization options, and simple installation.
GEMINI G HP’s modularity allows for maximum configuration flexibility, even when capacity extension is necessary, reducing the risk of plant downtime.

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Description

Benefits:

  1. Low-GWP refrigerant R454B

  2. Extended Range: There are 10 sizes available to meet any thermal load requirements up to 130 kW with a single unit;

  3. Maximum versatility, with the ability to combine up to 6 modules for a total heat output of 780 kW.

  4. Leaving hot water at up to +60°C;

  5. The design is compact, measuring only 1 metre wide.

Technical Specifications:

  1. Scroll compressors and Eco-Profile axial fans are statically and dynamically balanced.

  2. Controlling condensing pressure through variation of fan speed;

  3. Evaporator: stainless steel AISI 316 brazed plate type, externally insulated, with differential pressure switch and antifreeze protection electric heater.

  4. Air-side heat exchanger: high efficiency finned coils with seamless copper tubes extended into corrugated aluminum.

  5. Electronic expansion valve.

  6. The microprocessor is housed in galvanized and painted steel plates.

  7. Communication card: RS485

Options:

  1. Hybrid smart coolingR (2-way modulating valve with brazed heat exchanger);

  2. Power factor correction for cos phi 0.91;

  3. Control panel for electric heater with thermostat.

  4. Phase failure protection relay.

  5. TP Serial card with BacNet Protocol (MS/TPXTCP/IP) and Gateway Modbus LonTalk™.

  6. Low ambient temperature kit for cooling (-10 °C) and heat pump (-15 °C).

  7. 3-way valve for domestic hot water (DHW).

  8. Eco-friendly electronic fans.

  9. Soft-starter, automatic circuit breakers.

  10. Eco-Profile Electronic Fans with High Head Pressure (100 Pa), Refrigerant Gauges, and Protection Grilles.

  11. Special treatment for condenser coils.

  12. Oversized water pump seal for use with glycol > 25%X > 40%;

  13. Anti-freeze protection for hydraulic versions equipped with hydraulic kits.

Kits:

  1. The sea container package includes a remote control display, flow switch, automatic water filling, strainers, water gauges, and rubber and spring anti-vibration mounts.

The following options and kits are required for the modular configuration:

  1. The following items are required: – Multi-Manager System (mandatory); – Hydraulic connection kit for connecting single modules; – Victaulic clamps and caps (2 pcs for mounting on the unit manifold); – Victaulic clamps (2 pcs).

Versions:

  1. Basic version: – H heat pump.

  2. Energy version 1: – D Desuperheater (partial recovery).

  3. Acoustic variants (1): – L Low noise (with compressor sound coats).– S Super low noise (with an improved sound jacket for compressors).

  4. Hydraulic versions: (1):– B/M/A Hydraulic kit includes 1×2 pumps (ON-OFFXInverter operated), with low (B)Xhigh (A) available head pressure.

  5. Hydraulic models with a water tank (1):– SB/SA, XB/XA. Hydraulic package includes N.1 (S)XN.2 (X) pumps (ON-OFFXInverter driven), with low (B)Xhigh (A) available head pressure, expansion vessel, and 120 liter buffer tank.                                                                                           (1) Will be mixed with basic versions.