Shandong Lvte Air Conditioning System Co., Ltd.
Main products:Chiller,Ground Source Heat Pump,Air Source Heat Pump,Fan Coil,Refrigeration Equipments
Contact Us
  • Contact Person : Mr. Jin Jack
  • Company Name : Shandong Lvte Air Conditioning System Co., Ltd.
  • Tel : 86-536-2119006
  • Fax : 86-536-2257000
  • Address : Shandong,Weifang,No. 3999, South Airport Road, Weicheng District
  • Country/Region : China
  • Zip : 261052

LTWH(R) Series Residence Geothermal Ground Source Heat Pump

LTWH(R) Series Residence Geothermal Ground Source Heat Pump
Product Detailed
Ground Source Heat Pump -Geothermal Heat Pump -Water to Water Heat Pump -R134a,R407c Available -CE Certificate for Europe

LTWH(R) Series Residence Geothermal Ground Source Heat Pump



Ground Source Heat Pump, Water to Water Heat Pump for Residence Heating, Domestic Hot Water and Cooling

-For air conditioning Heating: Floor Heating, Radiator Heating, Fan Coil Heating etc.

-Providing Domestic Hot Water 40-70°C;(R134a, max. water output 65-70 °C )

-Using groundwater, surface water etc open loop. or geothermal heat energy close loop etc. to be as the heat resource to saving energy;

-Multifunction: In winter for Heating and hot water, in summer for Cooling and free hot water;

-For Houses, Villas, Hotels etc. buildings to replace boiler to saving money.

System Diagram: Close Loop for example

1.Open Loop with Domestic Hot Water System: Use Groundwater for heat resouces

2.Close Loop with Domestic Hot Water System

MODELS: LTWH(R)-020---LTWH(R)-100

Heating Capacity: 8.6-41KW; Cooling Capacity: 7.2-37KW

1.Cooling Standard Conditions:User side water inlet/outlet 12°C/7°C;Water source side inlet/outlet 18°C/29°C.

2.Heating Standard Conditions: User side hot water inlet/outlet 40°C/45°C;Water source side inlet/outlet 15°C/7°C;

3.Heat recovery equipments can be added for free sanitary hot water.

Model No. LTWH(R)—020025030035040050060065075090100
Heating Capacity(KW)8.610.212.014.717.721.624.226.530.036.041.0
Cooling Capacity(KW)7.28.610.
Electrical ParametersPower3/N/PE   AC220V/380V 50HZ
Control SystemDedicated heat pump controller,PID regulator
SecurityOverload, high voltage, wrong Phase, water, oil, antifreeze switch, high temperature protection
CompressorTypeFlexible all closed scroll type
RefrigerantTypeEnvironmental protection Refrigerants(R134A,R410A,R407C etc.)
EvaporatorTypeEfficient copper Tube in Tube Heat Exchanger
Pressure LossKpa≤40
Interface Dim.DN(mm)2525253232324040405050
CondenserTypeEfficient copper Tube in Tube Heat Exchanger
Pressure LossKpa≤40
Interface Dim.DN(mm)2525253232324040405050
Unit weightkg140140150180220260280300350420490
DHW SystemTypeCirculation-type casing Tube in Tube Heat Exchanger
Water interfacemm2525252525252525252532
Hot water Volumem3/h0.30.350.450.480.60.811.11.151.371.64



Panels and frame are made from galvanized steel protected with polyester powder painting to ensure total resistance to atmospheric agents.


380V/3P/50(60)HZ or 220V/1P/50(60)HZ world famous brand hermetic scroll compressors.


High efficiency tube in tube heat exchanger, factory insulated with flexible close cell material.


High efficiency tube in tube heat exchanger, factory insulated with flexible close cell material.


Copper tube connection with charge valves, filter, thermostatic expansion valve (capillary for mod. 4.5÷14), gas-liquid separator, high pressure switch and low pressure switch. The heat pump units are complete also with 4-way valve and one way valve.


Built with user side and source side water inlet/outlet connectors, water discharge connectors, air vent valve, mod.4.5÷30 the user side is complete also with expansion vessel, water pump and water flow switch.


Consists of: Compressor contactor, Compressor protection breaker,User side water pump contactor, User side water pump breaker, Microprocessor with function display


Sight glass which must be installed in factory,

Source side water flow switch,

Source side water pump,

Anti-vibration rubber,

Metallic filter for the water circuit.

Heat recovery for hot water as optional

 Heat Pump with Solar System:

Products in Warehouse

Finished Products:


LTWH(R) Series Residence Geothermal Ground Source Heat Pump

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