Installation Guide
Table Of Contents
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)