5-2.
Outdoor Unit
Item
Description of operation, numerical data, and other information
Remarks
1. Pulse
motor valve
(PMV)
control
1.
PMV1 control (PMV1)
1)
During air conditioner operation, the pulse count of a PMV1 (pulse motor valve 1)
is controlled between 100pls and 3000pls.
During air conditioner operation.
2)
During cooling, the PMV opening is controlled on the basis of measurements
provided by the TL temperature sensor and the
PD
pressure sensor (subcool
control).
3)
During heating, the PMV opening is controlled on the basis of measurements
provided by the TS, TD and TG temperature sensors and the PS
pressure sensor (super heat control).
4)
PMV are fully closed when the air conditioner is in thermostat OFF state or upon
being turned off normally or shut down due to an abnormality.
1
0
0
3000
Opening
of
PMV1 (pls)
Minimum
Maximum
PMV1
−
7
3
−
MAX
1000
PMV1 opening
Controlled between
90 and 1000 pulses
– 10
SH control
2
Cooling-heating demand capacity difference (HP)
0
MAX
500
PMV4 opening
– 2
0
10
Cooling-heating demand capacity difference (HP)
Collective cooling operation area
Collective heating operation area
0
45
2. PMV4 control
1) PMV4 (Pulse Motor Valve) is controlled between 0 and 500 pulses at collective
cooling / heating operation.
2) PMV4 opening is controlled according to the demand capacity difference (HP)
between cooling and heating operation.
3) PMV are fully closed when the air conditioner is in thermostat OFF state or
upon being turned off normally or shut down due to an abnormality.
Summary of Contents for MMY-MAP0806FT7(J)P
Page 32: ... 31 1 2 Single port FS Unit RBM Y1123FE FE2 RBM Y1803FE FE2 ...
Page 33: ... 32 RBM Y2803FE FE2 ...
Page 302: ...MMY MAP0806FT8 J P E MAP1006FT8 J P E MMY MAP0806FT8 J P TR MAP1006FT8 J P TR 301 ...
Page 307: ... 306 MMY MAP1206FT8 J P E MAP1406FT8 J P E MMY MAP1206FT8 J P TR MAP1406FT8 J P TR ...
