Installation Guide

41
Trial Operation
Trial operation check
Start cooling or heating operation using a wired controller or remote controller.
After 5 minutes, check whether there is cold (hot) air from IDU.
Check all the IDUs in the same way.
If any wiring or piping errors are found, please correct the errors and start trail
operation again.
Notes:
Start another IDU one minute before the current IDU stops, which could save trial
operation time.
Please refer to the following allowable operation range under various operation
modes. The system cannot operate normally if exceeding limits.
Mode
Outdoor ambient
temperature
Cooling -5°C to +56°C (DB)
Heating -27°C to 26°C (WB)