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4.5. Setting the Evaporator Defrosting
This menu allows you to set the method and necessary parameters to control the defrosting
of the evaporator of the indoor unit when running in the cooling modes. In the heating modes,
the indoor unit heat exchanger operates as a condenser and defrosting of the outdoor unit
evaporator is controlled by the outdoor unit. Press the
ENTER
key to enter the setting menu
and use the ▼/▲ keys to select the
Defrost
menu.
Settings
Defrost
After opening this menu, you can use the ▼/▲ keys to select and set the following
parameters:
Mode
-
Setting the defrosting mode of the indoor unit evaporator.
Period
-
Setting the minimum time period (in minutes) between successive
defrosting cycles of the indoor unit evaporator.
Length
-
Setting the maximum duration (in minutes) of defrosting of the
indoor unit evaporator.
Start
-
Setting the T1 temperature to start defrosting of the indoor unit
evaporator.
Stop
-
Setting the T1 temperature to stop defrosting of the indoor unit
evaporator.
To start defrosting of the indoor unit evaporator, the set temperature to start defrosting must
be reached
and
simultaneously
the set minimum period from the last defrosting must have
elapsed. Evaporator defrosting is stopped when the set temperature to stop defrosting is
reached
or
the set maximum time length of defrosting has elapsed.
Setting the defrosting mode of the indoor unit evaporator.
Press the
ENTER
key to enter the setting menu and use the ▼/▲ keys to select the
Defrost
menu. After opening this menu, select and set the
Mode
menu with the following options:
Off
-
Defrosting the indoor unit evaporator is not in use.
External
-
If the condition for defrosting the evaporator is met, the compressor
is stopped until the condition for termination of defrosting is met.
Simultaneously, to accelerate the defrosting process, relay with
Defrost
function can activate an external device (the heating cable,
fan etc.).
Reverse
-
If the condition for defrosting the evaporator is met, the operating
mode is switched from cooling to heating, the function of indoor and
outdoor heat exchangers is swapped, and the indoor unit evaporator
is defrosted. After the condition for termination of defrosting is met,
the operating mode returns to its original state.
You can use the ▼/▲ keys to select the desired indoor unit evaporator defrosting mode and
confirm it with the
ENTER
key. Changing of the defrost mode is briefly confirmed by
message
Saved OK
and then the display returns one level back in the menu.
Summary of Contents for SCMI-01.4
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