Auto Operation [Automatic Cool / Heat Change Over Operation] - Mitsubishi Electric CITY MULTI PVFY-P12NAMU-E Technical & Service Manual

[ VII Microprocessor Control ]
(3) Preheating exclusion mode
When the condition changes the auxiliary heater ON to OFF (thermoregulating or operation stop, etc.), the indoor fan operates
in [Low] mode for 1 minute.
This control is same for the model without auxiliary heater.
(4) Thermo OFF mode
When the thermoregulating function changes to OFF, the indoor fan operates in [Extra low].
(5) Heat defrosting mode
The indoor fan stops.

4. Auto operation [Automatic cool / heat change over operation]

.
1. Initial value of operation mode
(1) HEAT mode for room temperature < Desired temperature
(2) COOL mode for room temperature
2. Mode change
(1) HEAT mode -> COOL mode
Room temperature Desired temperature + 3°F. or 3 min. has passed
(2) COOL mode -> HEAT mode
Room temperature Desired temperature - 3°F. or 3 min. has passed
3. COOL mode
(1) Same control as cool operation
4. HEAT mode
(1) Same control as heat operation
The value "3°F" is modifiable from 1.8°F to 9°F by maintenance tool.
HWE1405A
<How to operate>
1. Press POWER
2. Press the operation
3. Press the
The set temperature changes 2°F when the
pressed one time. Automatic 67 to 83°F
Desired temperature
- 15 -
button.
ON/OFF
button to display AUTO.
MODE
button to set the desired temperature.
TEMP.
button is
TEMP.
GB