Danfoss 120G0187 VZH028CHANB Scroll Inverter Compressor (120G0178)

999.000.091999.000.091Energy: A+

CE UL RoHS EN‑378 AHRI‑550/590 ISO‑9001 ISO‑14001

High‑efficiency compressor solution for large‑scale HVAC engineers, industrial cooling designers and data‑center infrastructure managers.

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The Danfoss 120G0187 VZH028CHANB scroll inverter compressor utilizes variable‑speed (inverter) technology to regulate current with 0.2 % precision across a 0‑100 % capacity range. This results in 30‑45 % energy savings while delivering SEER/SCOP values of ≥ 6.5 kW/kW and a COP of ≥ 4.2 at 35 °C. Its single‑moving‑part scroll design provides low vibration, high reliability and a 30 % longer maintenance interval. Engineered for large‑building HVAC (VRF/VRV), cold storage, food processing, pharmaceutical warehouses, data‑center CRAC/CRAH units and rooftop package systems, the unit is compatible with environmentally friendly R‑410A refrigerant and complies with IEC 61851‑1. Easy installation and built‑in communication protocols (Modbus TCP, BACnet) enable seamless integration with BMS. The robust, high‑efficiency design reduces operating costs and supports sustainable climate‑control solutions.

Key Features

Variable speed inverter control with 0.2 % current precision
Scroll design provides low vibration and extended service life
High efficiency: SEER/SCOP ≥ 6.5 kW/kW, COP ≥ 4.2 at 35 °C ambient
Wide operating range: –30 °C to +55 °C ambient, 0 °C to +45 °C water/oil
Integrated digital monitoring via Modbus‑RTU, BACnet MS/TP and CAN‑bus

Use Cases

Large‑building VRF/VRV HVAC installations
Industrial cold storage and food‑processing lines
Data‑center CRAC/CRAH units
Rooftop packaged cooling systems

Why This Product?

0130‑45 % energy savings compared to fixed‑speed compressors
02Reduced maintenance cost and extended lifespan
03Advanced protection (liquid flood, over‑pressure, low‑oil pressure)
04Cloud‑based remote monitoring and predictive maintenance

Installation & Setup

Before installation verify ambient temperature and pressure limits, fill oil to ISO‑VG 46 level, wire according to the wiring diagram, and configure communication protocols as per the manual. Monitor the unit for the first 100 hours for alarms and performance verification.

Frequently Asked Questions

What cooling capacities does this compressor cover?

It is rated for 30 kW‑250 kW cooling capacity; modular design allows multiple units to be staged for higher loads.

How does the inverter control work?

Danfoss Control‑X™ continuously monitors current and pressure, adjusting motor speed between 0‑100 % with 0.2 % precision.

Which communication protocols are supported?

Modbus‑RTU, BACnet MS/TP, CAN‑bus and cloud connectivity via Danfoss Connect REST API.

What type of oil is required for installation?

Use ISO‑VG 46 synthetic compressor oil for low wear and high thermal stability.

What is the warranty period?

Standard 24‑month warranty, extendable to 60 months with a service agreement.

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Danfoss 120G0187 VZH028CHANB Scroll Inverter Compressor (120G0178)

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