Outdoor Unit Fan Control - Panasonic U-4LE2E5 Service Manual & Test Run Service Manual

4. Outdoor Unit Fan Control

5. Outdoor Unit Fan Control

(1) Number of Fan Motor
Type of outdoor unit
Number of fan motor
(2) Fan Step
These outdoor units utilize a DC fan motor that can be controlled in 0∼15 steps (0∼15 modes) in ordinary mode.
The control range is expanded to a maximum of 15 steps (15 modes) if high static-pressure mode has been set.
1
The fan rotating numbers will be changed according to the fan steps.
(3) Minimum Fan Step and Maximum Fan Step
These outdoor units utilize a DC fan motor that can be controlled in a maximum of 15 steps (15 modes).
However, fan modes 15 can only be used if high static pressure mode or high efficiency mode has been set.
* For information concerning EEPROM settings, refer to the field application functions.
Maximum value
Minimum value
4, 5, 6 HP
1
Status of heat
exchanger
Standard
Condenser
Evaporator
High static pressure
Condenser
mode setting
Evaporator
High efficiency mode
Condenser
setting
Evaporator
Control Functions - Outdoor unit
Ambient temperature ≥ 38°C
Ambient temperature < 38°C
Ambient temperature ≥ 3
Ambient temperature < 3
1 - 12
2WAY VRF SYSTEM
Mini VRF SYSTEM
Control Functions
4HP 5HP 6HP
11 12 12
10 11 11
11 12 12
14 14 14
13 13 13
15 15 15
12 13 13
15 15 15
1 1 1