GMDW 8 PLUS

Product catalog summary

Overview: The document provides technical specifications and operational guidelines for the Ochsner GMDW 8 PLUS heat pump, which utilizes direct geothermal extraction for monovalent heating systems.

Specifications:

Dimensions: 1150x400x650 mm
Weight: 112 kg
Hydraulic connection: 1 1/4 inch
Phases/Voltage/Frequency: 3/400/50
Sound levels: 44.90 dBA (power), 36.90 dBA (pressure)

Performance:

Heating output varies from 6.00 kW to 8.60 kW depending on operating conditions.
COP ranges from 2.20 to 5.10.
Energy efficiency class: A++ for low and medium temperatures.

Components:

Condenser: Plate heat exchanger made of stainless steel.
Refrigerant: R407C with a charge of 4.2-6.6 kg.
Compressor: Scroll type with a speed of 2900 rpm.
Evaporator: Tube type with copper material.

Installation Guidelines:

Geothermal collectors must be installed with specific spacing and clearance requirements.
Collector pipes should be labeled and a routing plan is necessary for commissioning.

Recommended Accessories:

Heat pump separating cylinders and DHW tanks are suggested for optimal performance.
External PHE for DHW heating is recommended.

Extraction Surface Requirements:

Extraction surface varies based on operational hours and soil conditions.
Specific extraction capacities are provided for different soil types.

Catalog excerpts

OCHSNER HEAT PUMPS | DIRECT GEOTHERMAL EXTRACTION GMDW 8 PLUS MONOVALENT HEATING SYSTEM WITH GROUND AS HEAT SOURCE ORDER NUMBER: 274550 SERIES: GOLF MIDI PLUS TF MAX. 65 °C APPLIANCE DATA Dimensions HxWxD Hydraulic connection Casing colour Plate heat exchanger Phases/nominal voltage/frequency Application range [~]/[V]/[Hz] Output factor cos φ Fuse protection (tripping curve “C”) Heat transfer medium temperature differential Max. refrigerant operating pressure Max. heat transfer medium operating pressure Max. starting current/max. with soft start Test pressure Heat transfer medium flow rate Internal pressure differential Total power consumption / operating current Heating output REFRIGERANT CIRCUIT Refrigerant COMPRESSOR Type Output levels Voltage/frequency EVAPORATOR Type Tube evaporator Length per circuit Material Max. refrigerant operating pressure * umber of circuits possible for optimum soil conditions: N cohesive soil/moist or better at max. 1800 h/a Operating point E0/W60 Total power consumption / operating current Operating point E0/W50 Total power consumption / operating current Refrigerant charge (from-to) Heating output Operating point E-1/W35 Total power consumption / operating current Flow meter FM standard Residual head I WNA external, incl. FM Circulation pump heat sink WNA HEATING MODE PERFORMANCE FIGURES (to EN 14511) Heating output Sound power level/sound pressure level (at 1 m distance) Heat transfer medium Copper / seamless PVC outer casing [bar] OCHSNER heat pumps are domestic appliances in accordance with the Machinery Directive.

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PRODUCT DATA ErP: GMDW 8 PLUS COLDER Energy consumption 3-way switching module External PHE for DHW heating Prim.: 1”/ 35 mbar Sec.: 1”/ 46 mbar kvs 10, pressure loss 23 mbar Heat pump separating cylinders Energy consumption RECOMMENDED ACCESSORIES Draw-off profile Energy consumption Tank losses Sound power level Controller class with room remote control EXTRACTION SURFACE Basic cooling capacity (at E4/W35) Controller class without room remote control Controller contribution [%] Max. connection length to collection shaft Controller contribution [%] GMDW 8 PLUS / DIRECT GEOTHERMAL EXTRACTION Geothermal...

Open the catalog to page 2

GMDW 8 PLUS

GMDW 8 PLUS

Catalog excerpts

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