# Gree Versati III 4.0/3.9kW, S1GRE - air-to-water heat pump outdoor unit

> Gree Versati III GRS-CQ4.0PD/NHH2-E(O) is the outdoor unit for a compatible 4.0/3.9 kW air-to-water split heat-pump system. It uses R32 refrigerant and must be paired with the corresponding indoor hydraulic unit.

## Product identity
- **Brand:** GREE electric appliances
- **Product family:** Gree Versati III outdoor unit (NHH2 generation)
- **Variant:** 4 kW
- **SKU:** GRS-CQ4.0PD/NHH2-E-O
- **MPN:** GRS-CQ4.0PD/NHH2-E-O

## Description
This product is the outdoor unit of the Gree Versati III 4.0/3.9 kW air-to-water split heat-pump system. It is not a complete heat-pump installation on its own and requires the compatible indoor unit and correctly designed hydraulic connections.

The associated Versati III system uses R32 refrigerant and single-phase power. The outdoor-unit dimensions listed for this product are 975 × 702 × 396 mm and its weight is 52 kg. System configuration and installation must follow the manufacturer documentation.

## Specifications
- **Heat pump type:** Oras-vanduo
- **Refrigerant:** R32
- **Power Supply:** Vienfazis
- **Heating capacity:** 4 kW kW

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