Inverter water - water heat pumps Poseidon 60

Poseidon 60

Inverter water - water heat pumps

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The POSEIDON water-water heat pump units are designed for applications using radiant panel heating systems or low temperature applications such as suitably dimensioned fan-coil, thermal ventilation and AHUs for delivery temperatures of 50°C.

The units can be installed for applications using borehole water or groundwater and also for applications using a geothermal probe. All versions are fitted with high quality modulating circulators and Twin Rotary inverter compressors that allow the system to operate according to the energy required by the system.

The compressor and circulators are continuously regulated by a programmed control unit with an internally developed control logic.

The POSEIDON units have a vertical powder coated galvanised steel structure. They are characterised by high efficiency with integrated management of the circulator, which allows high temperature hot water production with a three-way diverter valve on the boiler and has the option of using a backup electric heating resistance, or alternatively, the integrated management of a circulator and heat exchanger dedicated to DHW production.

Geothermal homes

  • Geothermal energy is a stable and lasting source. It is essential to use this energy correctly in order to achieve the best heating comfort at the lowest cost.
  • The inverter technology combined with the "plug & play" concept make the geothermal plant slim, dynamic and completely flexible!

poseidon casa geotermica

Technical specifications

Compact water-water heat pump with electronic circulator on both the source and system sides and Twin Rotary Inverter compressors, with a cutting-edge design and high COP. The heat source is water whether it is from a borehole or groundwater, also using a geothermal probe. Low noise is guaranteed by an intelligent control system that regulates the speed of the compressor and fan according to actual requirements. In addition, the use of anti-vibration mountings for the compressor and multi-layer noise insulation on the casing mean that noise is reduced to a minimum. The units are equipped with a buffer tank that makes them particularly versatile and can be connected to existing systems that are connected to a hydraulic separator.

Controller

The control unit consists of an Evco unit and can be combined with a highly intuitive touch-screen controller with which all the operating parameters, set points and usage settings can be controlled. The storage tank is charged at a set point for DHW and with a heating or cooling curve for the heating / cooling side. Other possible auxiliary controls:

  • Auxiliary electric heating elements in the circuit or the storage tank
  • Auxiliary external sources (existing gas, electric and other boilers)
  • Input for activating a second set point if low-cost energy is available (e.g. from photovoltaic inverters)
  • Option of controlling a 3-way valve, recirculation pump or transfer pump

The units can have either 4 or 6 pipes (2 of which are on the source side), the latter can control a high and low temperature circuit simultaneously. The high temperature circuit has its own circulator, the flow rate of which is regulated by the controller. In summer, the high temperature heat exchanger will operate as a desuperheater, improving overall performance and producing hot water by recovering energy that would otherwise not be utilised. The speed of the compressor, fan and circulators is continuously regulated by the control unit.

Structure

The units are made of powder coated hot-dip galvanised sheet metal, the structure is self-supporting with removable panels to make inspection and maintenance easer.
Cooling circuit
The refrigerant gas used is R410A (R134A on request). The unit is fitted with inspection ports to enable technicians to check that the cooling circuit is operating correctly.

Heat exchangers

Both the source-side and system side exchangers (also for a desuperheater, if present) are made of braze-welded stainless steel plate that allows the amount of refrigerant gas to be reduced to the minimum, maximising efficiency through the large heat exchange surface.

Circulators

The electronically controlled circulators modulate the flow. The speed of rotation is continuously regulated by the control unit.

Control and protection

The unit is equipped with a series of alarms designed to protect it from faults. These are managed entirely by the control unit that makes them available and accessible. It is also possible to access the controller via the control unit if you need to make any adjustments.

Testing

All units are fully assembled and wired. They are inspected to high standards, undergo leak and vacuum cycle tests, and are filled with an eco-friendly refrigerant. They undergo a complete functional test before being delivered. All units comply with European Directives and have a CE marking and relative certificate of conformity.

Technical specifications

System fluid summer temp °C 12/7
Borehole fluid temp.
°C
30/35
Cooling capacity
kW
65,32
EER (EN 14511-2004)
4,42
System side heat exchanger operating conditions W30 / W18
Water flow rate
m³/h
16,12
Pressure drop
kPa
22
Borehole side heat exchanger operating conditions W30 / W18
Excess power
kW
106,61
Water flow rate (total)
m³/h
18,34
Unit pressure drop
kPa
20
Power consumption
Nominal power
kW
14,78
Maximum power input
kW
24,39
Maximum current
A
44
System fluid summer temp °C 23/18
Well fluid temperature
°C
30/35
Cooling capacity
kW
93,73
EER (EN 14511-2004)
6,59
System side heat exchanger operating conditions W30 / W18
Water flow rate
m³/h
16,12
Pressure drop
kPa
22
System side heat exchanger operating conditions W30 / W18
Excess power
kW
106,61
Water flow rate (total)
m³/h
18,34
Unit pressure drop
kPa
20
Power consumption
Nominal power
kW
14,23
Maximum power input
kW
24,39
Maximum current
A
44
System fluid winter temp 30/35 C°
Well fluid temperature
°C
10/5
Heat output
kW
77,65
COP (EN 14511-2004)
5,25
System side heat exchanger operating conditions W10 / W35
Water flow rate
m³/h
13,36
Pressure drop
kPa
23
Borehole side heat exchanger operating conditions W10 / W35
Excess power
kW
64,22
Water flow rate (total)
m³/h
11,05
Unit pressure drop
kPa
19
Power consumption
Nominal power
kW
14,78
Maximum power input
kW
24,39
Maximum current
A
44
System fluid winter temp 40/45 C°
Well fluid temperature
10/5
Heat output
kW
74,78
COP (EN 14511-2004)
4,14
System side heat exchanger operating conditions W10 / W35
Water flow rate
m³/h
13,36
Pressure drop
kPa
23
Borehole side heat exchanger operating conditions W10 / W35
Excess power
kW
64,22
Water flow rate (total)
m³/h
11,05
Unit pressure drop
kPa
19
Power consumption
Nominal power
kW
18,06
Maximum power input
kW
24,39
Maximum current
A
44
Other data
Cooling circuits
1
Number of compressors
3
Steps
20 ÷ 100%
Power supply
V/Ph/Hz
400 / 3 / 50
Refrigerant
R410A
Sound pressure at 1 m
dB(A)
64
System storage
Capacity
l
Assente
Dimensions
Width
mm
792
Depth
mm
492
Height
mm
1418
Energy efficiency class
Average air conditioning W55/35
A+++ A+++
Product code
Poseidon 60 - HC - R410a
8TAC00437

Documentation

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