Heat Operation; Hot Adjust Mode - Mitsubishi Electric PVFY-P12 Service Manual

4. Heat operation

.
1.) Thermo-regulating function
(1) Thermo-regulating function (Function to prevent restarting for 3 minutes)
When indoor units are connected to the PUHY/PURY/PQHY/PQRY series of outdoor units.
Room temperature < desired temperature - 0.9° F ···Thermo ON
•
Room temperature ≥ desired temperature + 0.9° F···Thermo OFF
•
When indoor units are connected to the PUMY series of outdoor units.
Room temperature < desired temperature - 0.9° F ···Thermo ON
•
Room temperature ≥ desired temperature + 0.9° F···Thermo OFF
•
2) Fan
(1) By the remote controller setting (switch of 3 speeds+Auto).
Type
3 speeds + Auto type
When [Auto] is set, fan speed is changed depending on the value of:
•
Desired temperature - Room temperature
Give priority to under-mentioned controlled mode

1.) Hot adjust mode

2.) Preheating exclusion mode
3.) Thermo OFF mode (When the compressor off by the thermo-regulating)
4.) Cool air prevention mode (Defrosting mode)
5.) Capacity increasing mode
(2) Hot adjust mode
The fan controller becomes the hot adjuster mode for the following conditions.
•
1.) 6.) When starting the HEAT operation
1.) 7.) When the thermo-regulating function changes from OFF to ON.
1.) 8.) When release the HEAT defrosting operation
[Extra Low]
A
A: Hot adjust mode starts.
B: 5 minutes have passed since the condition A or the indoor liquid pipe temperature turned 95°F or more.
C: 2 minutes have passed since the condition A. (Terminating the hot adjust mode)
*1 The fan may stop, depending on the operation status of the indoor units or on the unit settings.
Specifications are subject to change without notice.
Fan speed notch
[Low], [Med], [High], [Auto]
Hot adjust mode
Set fan speed by the remote controller
[Low]
*1
B C
<How to operate>
1.) Press POWER
ON/OFF
2.) Press the operation
3.) Press the button to set the desired temperature.
TEMP.
Note:
The set temperature changes 2° F when the
pressed one time. Heating 63 to 83° F.
20
button.
button to display COOL.
MODE
TEMP.
© 2017 Mitsubishi Electric US, Inc.
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