Haier HPU-42CF03 User Manual download pdf (Page 14)

Unit operation

Protection devices inside the unit will activate to stop unit operation, when ambient

temp. is extremely low or high.

When unit is running under high humidity in cooling or dehumidifying mode, condensate

might appear at outlet grill.

3-min delay protection

Fan speed changes

Unit will not restart until 3 min have elapsed for the protection of the unit.

When Fan speed is set at Auto in cooling mode, it will be automatically reduced as

room temp. is approaching temp. setting.

In dry mode, fan speed will change automatically.

Operation hints

Cold draft prevention

Use objectively

Defrosting

In heating mode, indoor fan will not run for the first 2-5 min. due to cold draft prevention.

When frost accumulates on heat exchanger in heating mode, unit will start defrosting

automatically.

During defrosting, both indoor and outdoor fan stop.

After defrosting, unit resumes running.

Heat pump works by means of absorbing outside heat to warm room air, so outdoor

temp. degree will affect unit's heating efficiency.

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Haier HPU-42CF03 User Manual Page 14