![background image](http://html.mh-extra.com/html/carrier/pc-09hppd-pd-portable/pc-09hppd-pd-portable_service-manual_2561428017.webp)
15
6.8.2. At non-defrosting situation, shaded pole motor always stops ; Compressor operates; Outdoor motor
is on at high speed. Then outdoor motor stops at a delay of 30s when compressor is off. When unit
is change for other mode(non-heating mode), Four-way valve shuts off at a delay of 2 minutes than
compressor.
6.8.3. Condition of entering into defrosting mode: when the operation time of T3(T3
≤
2
℃
continuous) is
up to 2040minutes.
Defrosting motion: 1) Compressor operates; Four-way valve and indoor /outdoor motors shut off.
2) When TA
﹥
40
℃
or time is more than 7 minutes, outdoor motor is on until
defrosting is over.
6.8.4 When meeting one of conditions as below, unit finishes defrosting motion.
1) The time of defrosting is up to 10 minutes.
2) TE
≥
50
℃
6.8.5 Finishing defrosting motion: Outdoor motor is on, and compressor is off.
6.8.6 Compressor delay protection is invalid when unit entering into or finishing defrosting motion.
6.8.7 At heat pump mode, compressor/indoor motor/outdoor motor shut off immediately when water full
protection is on.
6.8.8 The ION/TIMER functions are valid at the heat pump mode.
6.8.9 Non-defrosting motion (for power management models):
The unit enters into the heat pump mode for the first time, four-way valve opens.
When compressor shuts off, the four-way valve closes at a delay of 10 minutes.
Compressor operates, and the four-way valve keeps opening.
When unit is on malfunction, four-way valve closes; Four-way valve resumes with the compressor
operating.
6.9 Sensor malfunction
LED display
Stand for
E2
T2 sensor malfunction
E1
T1 sensor malfunction
E4
Communication malfunction for display board and PCB
E3
T3 sensor malfunction
P1
Water full protection