Service Manual | VMH Series | Heat Controller, Inc. |
|
|
|
8.4.2 Cooling Mode
8.4.2.1 Compressor running rules:
The operating frequency of compressor after starting submits to following rule.
T4
°F °C
113(45)
109(43)
104(40)
100(38)
86(30)
82(28)
72(22)
68 (20)
If users switch on A/C by remote controller, the compressor will run at the Fmax frequency for 7 minutes according to outdoor ambient temp. During the 7 minutes, frequency limitation is active.
7 minutes later, the compressor running frequency will be controlled as below:
| |
°F | °C |
38 | (3.5) |
37 | (3.0) |
37 | (2.5) |
36 | (2.0) |
40 | (1.5) |
34 | (1.0) |
33 | (0.5) |
29 | |
30 |
While
Temp. zone | A | B | C | D | E | F | G |
Frequency | F8 | F8 | F7 | F6 | F5 | F3 | F1 |
22
