To Next Page

To Previous Page

Blanc On-off DM16-01.01.07en

44 Service manual

Condition of ending defrosting:

If any one of the following items is satisfied, the defrosting will terminate and the machine will turn to

normal heating mode.

(1) The defrosting time is reached to the setting value.

(2) The defrosting has been running for 3 minutes and T2≥TCDE1℃.

(3) The defrosting has been running for 2 minutes, check the value of T2. If T2

-T2min≥TCDE2℃

during 4 minutes, the defrosting will terminate.

For MSMAD-24HRN1-QB8W models:

AC will enter the defrosting mode according to the value of temp. of T3 and the value range of temp.

change of T3 and also the compressor running time.

During the defrosting mode, the compressor keep running, indoor and outdoor motor will stop, defrost

lamp of the indoor unit will be lighted .“ .” Will be displayed.

Condition of ending defrosting:

If any one of the following items is satisfied, the defrosting will terminate and the machine will turn to

normal heating mode.

(1) T3 rises to be higher than TC2.

(2) The machine has run for 10 minutes in defrosting.

10.4.3.5 High evaporator coil temp.T2 protection:

Compressor off

Outdoor fan motor off

Compressor and outdoor

fan motor on

Compressor and outdoor

fan motor off

Compressor and outdoor

fan motor on

8.4.4 Auto-mode

This mode can be chosen with remote controller.

In auto mode, the machine will choose operation mode according to ∆T (∆T =T1-Ts).

T1-Ts

Cooling

Heating*

Fan only

Heating*: For cooling only models, they will run at fan speed

AC will run in auto mode in the below cases:

（1） Pressing the forced auto button.

Midea Blanc ON-OFF Series User Manual

Questions and Answers: