Mitsubishi Electronics PUHY-HP-THMU-A Test run/Typical unit operation, Rating plate information

12. Test run/Typical unit operation

The events listed in the table below are normal occurrences and do not represent operation problems.
Events	Display on remote controller	Cause
A specific indoor unit is not performing the	“Cooling” or “heating” flashes	Because another indoor unit is performing the heating or cooling operation, the
cooling or heating operation.		cooling or heating operation for the indoor unit in question is not operating.
Auto vane automatically switches air flow	Normal display	The auto vane may switch over to horizontal air flow operation from vertical air flow
direction.		operation in cooling mode if the vertical air flow operation has been running for 1
		hour. At defrost in heating mode or immediately after heating start-up/shutdown,
		the auto vane automatically switches to horizontal air flow for a short time.
Fan speed automatically changes during	Normal display	Unit fan operates in ultra-low speed when thermostat is turned off; automatically
heating operation.		changes over to set value via timer or refrigerant temperature when thermostat is
		turned off.
Fan stops during heating operation.	Defrost display	Fan does not operate when unit is in defrost mode.
Fan does not stop even if unit is not	No display	When in heating mode, fan still runs for 1 minute after unit stops to exhaust any
operating.		residual heat.
At initial stat in heating operation, fan	Heat ready	Fan automatically runs in ultra-low speed for 5 minutes after system is turned on,
cannot be manually set.		or until refrigerant temperatures rises to 35°C [95°F], and runs in low-speed
		operation for 2 minutes thereafter until set temperature is reached.
Indoor unit remote controller displays “H0”	“H0” or “PLEASE WAIT” flashes	System is performing the initial operating sequence. Remote controller will be
			GB
or “PLEASE WAIT” for about 5 minutes after		operable again after “H0” or “PLEASE WAIT” stops flashing and disappears.
turning on the universal power supply.
Drain pump continues to operate even after	No display	After turning off the cooling operation, unit continues to operate the drain pump
the unit has been turned off.		for 3 minutes, then shuts it off.
		Unit also continues to operate drain pump if condensate has been generated.
Indoor unit emits noise when switching from	Normal display	This is a normal sound of the refrigerant circuit operating properly.
heating to cooling and vice versa.
Immediately after startup, the indoor unit	Normal display	Unstable flow of the refrigerant emits a sound. This is temporary and does not
emits the sound of the refrigerant flow.		imply a problem.
Warm air is omitted from an indoor unit that	Normal display	The LEV is slightly open for preventing any refrigerant, inside of the indoor unit
is not performing the heating operation.		that is not performing the heating operation, from being liquefied. This does not
		imply a problem.

13. Rating plate information

Model	P72	P96	P144		P192
Unit combination	-	-	P72	P72	P96	P96
Refrigerant (R410A)	9.0 kg [19 LBS 13 oz]	9.0 kg [19 LBS 13 oz]	9.0 kg [19 LBS 13 oz]	9.0 kg [19 LBS 13 oz]	9.0 kg [19 LBS 13 oz]	9.0 kg [19 LBS 13 oz]
Allowable pressure (Ps)			HP: 4.15 MPa [601 psi], LP: 2.21 MPa [320 psi]
Net weight	220 kg [486 LBS]	220 kg [486 LBS]	220 kg [486 LBS]	220 kg [486 LBS]	220 kg [486 LBS]	220 kg [486 LBS]

17