Note: Individual characteristics are also given in the text of the Chapter and, if their implementation is mandatory, are highlighted in bold.
| Design | Thermosiphon with vane water pump. Thermostatic control. With separate expansion tank. Electric fan, switched on and off by two-stage thermal switch |
| Coolant | A mixture of soft water and antifreeze (1:1), this composition provides frost resistance down to -35°C |
| Antifreeze | MB № Q1 03 0002 |
| System volume, l | 12 l |
| Coolant composition: | |
| The proportion of antifreeze in the coolant to ensure frost resistance | |
| 50% |
| 55% |
| Pressure in the system | About 1.2 bar (the exact value is indicated on the expansion tank cap). The lid should withstand pressure for two minutes. |
| Thermostat | |
| Valve stroke | not less than 7 mm |
| |
| 82° |
| 96° |
| |
| 92° |
| 99° |
| |
| 87° |
| 102° |
| Fan thermal switch | |
| Switching on/off 1st stage | 92-97/84-91°C |
| Switching on/off 2nd stage | 99-105/91-98°C |
| Air conditioner refrigerant | |
| Type | R134a (do not use R12) |
| Volume, gr. | ±15 |
| Refrigerator oil | |
| Type | PAG |
| Volume, cm³ | 200 |
| Tightening forces of threaded connections, H•m | |
| Tightening torques for fasteners are given in the text of the Chapter and in some illustrations*. | |
| *Tightening torques highlighted in bold in the text must be strictly observed; efforts not in bold are given only as an estimate | |