| Ref | Model | Width | Depth | Height | Temp | Volume |
| HRIO503A | ERC 17 | 620 | 595 | 1085 | 4 +8° C | 175 |
| HRIO503B | ERC 36 | 620 | 595 | 1870 | 4 +8° C | 355 |
| HRIO503C | ERC 36 B | 620 | 595 | 1870 | 4 +8° C | 355 |
| HRIO503D | ERC 65 | 1110 | 600 | 2000 | 4 +8° C | 700 |
| HRIO503E | ERC 110 | 1110 | 800 | 2000 | 4 +8° C | 1000 |
| HRIO503F | ERC 180 | 1848 | 800 | 2000 | 4 +8° C | 1767 |