Actuator Control - Mitsubishi Electric MUZ-GB50VA - E1MUZ-GB50VA - E2 Service Manual

PERFORMANCE DATA HEAT operation
MSZ-GB50VA : MUZ-GB50VA
CAPACITY:5.8(kW) INPUT:1700(W)
INDOOR -10
DB( : )
Q INPUT
15
3.65 1105
21
3.48 1190
26
3.13 1275
NOTE Q : Total capacity (kW) INPUT : Total power input (W) DB : Dry-bulb temperature WB : Wet-bulb temperature
9

ACTUATOR CONTROL

MUZ-GB50VA
9-1. Outdoor fan motor control
The fan motor turns ON/OFF, interlocking with the compressor.
[ON] The fan motor turns ON 5 seconds before the compressor starts up.
[OFF] The fan motor turns OFF 15 seconds after the compressor has stopped running.
Compressor
Outdoor fan
motor
9-2. R.V. coil control
Heating . . . . . . . . . . . . . . . . ON
Cooling . . . . . . . . . . . . . . . . . OFF
Dry . . . . . . . . . . . . . . . . . . . . OFF
NOTE: The 4-way valve reverses for 5 seconds right before start-up of the compressor.
Compressor
R.V.coil
Outdoor fan
motor
at Rated frequency
OUTDOOR
-5 0
Q INPUT Q INPUT
4.41 1326 5.16 1496
4.18 1411 4.93 1564
3.89 1496 4.58 1649
5 seconds
ON
OFF
ON
OFF
<COOL>
5 seconds
ON
OFF
ON
ON or OFF
OFF
ON
OFF
WB( : )
5 10
Q INPUT Q INPUT
5.92 1615 6.67 1717
5.63 1683 6.38 1768
5.34 1768 6.09 1853
15 seconds
<HEAT>
5 seconds
ON or OFF
14
15 20
Q INPUT Q INPUT
7.37 1768 8.12 1802
7.08 1819 7.80 1887
6.79 1904 7.54 1955