Heat pump accumulator systems
Defrost accumulator
ATPS 50 - ATPS 100
The compact defrost accumulators with a volume of 50 – 100 litres as accessories for our Airflow-M heat pump.
Both accumulator tanks can be mounted either upright or suspended. The outlets are located on the left and right sides of the accumulator.
The Hargassner ATPS defrost accumulator ensures the defrosting process of your heat pump’s outdoor unit. Both tanks are also suitable for cooling.

Defrost accumulator
ATPS 50 - ATPS 100
- Minimum space requirements
- Inexpensive to purchase
- Enough energy for the defrost process
- Upright suspended installation
Technical data
| Type | ATPS 50 | ATPS 100 | |
|---|---|---|---|
| Accumulator volume | l | 50 | 100 |
| Dimensions W x D x H | mm | 450 x 450 x 520 | 450 x 450 x 975 |
| Weight | kg | 18 | 32 |













