D-EIMAC01603-18_02EN- 9/27
Figure 4 - Operating limits for standard units
1. Standard Efficiency
2. High Efficiency
3. Premium Efficiency
4. Operation with Water and Glycol
5. In this area, the unit may operate partly. Consult performance tables
6. Operation with fan velocity adjustment only below 10°C ambient temperature
7. Operation with fans with Speedtroll only (below -10°C ambient temperature)
3.3 Operation with Option 187
The following ranges of units can operate with an extended envelope as shown in Fig. 5: