~327, ~234 | Mitsubishi Electronics PUZ-A42NHA2-BS, PUZ-A30NHA2

SW2 setting

Display detail

Explanation for display

Unit

						Discharge superheat on error occurring	0~327 (0~182degC)
						SHd	(When the temperature is 100degF or more,
						0~327	hundreds digit, tens digit and ones digit are
ON							displayed by turns.)			degF
						Cooling = TH4-TH6	(Example) When 150degF;			degF
						Cooling = TH4-TH6	(Example) When 150degF;
1	2	3	4	5	6	Heating = TH4-TH5	0.5 secs.	0.5secs.	2 secs.
1	2	3	4	5	6		1	50
							1	50
						Sub cool on error occurring. SC	0~234 (0~130degC)
						Sub cool on error occurring. SC	(When the temperature is 100degF or more,
						0~234	(When the temperature is 100degF or more,
						0~234	hundreds digit, tens digit and ones digit are
							hundreds digit, tens digit and ones digit are
ON						Cooling = TH6-TH3	displayed by turns.)			degF
ON							(Example) When 115degF;
							(Example) When 115degF;
						Heating = TH5-TH2	0.5 secs.	0.5secs.	2 secs.
							0.5 secs.	0.5secs.	2 secs.
1	2	3	4	5	6		1	15
						Thermostat-on time until error stops	0~999
						0~999	(When it is 100 minutes or more, hundreds digit, tens
							digit and ones digit are displayed by turns.)
ON							(Example) When 415 minutes;			Minute
ON							0.5 secs.	0.5secs.	2 secs.	Minute
							0.5 secs.	0.5secs.	2 secs.
1	2	3	4	5	6		4	15
1	2	3	4	5	6

						U9 Error status during the Error	Description	Detection point	Display
						postponement period	Normal	—	00
ON						postponement period	Normal	—	00
							Overvoltage error	Power circuit board	01

							Undervoltage error	Controller circuit board	02
1	2	3	4	5	6		Undervoltage error	Controller circuit board	02
1	2	3	4	5	6		Input current sensor error.	Controller circuit board	04
							Input current sensor error.
							L1 or L2-phase open error.
							L1 or L2-phase open error.
							Abnormal power synchronous signal	Power circuit board	08	Code
							PFC error (A12, 18, 24NHA)	Power circuit board	10	Code
							PFC error (A12, 18, 24NHA)			display
							(Overvoltage / Undervoltage / Overcurrent)
							(Overvoltage / Undervoltage / Overcurrent)

							PFC/ ACTM error	Check CNAF wiring.	20
							Undervoltage	Defective ACTM/ P.B.	20
							Undervoltage	Defective ACTM/ P.B.

WDisplay examples for multiple errors: Overvoltage (01) + Undervoltage (02) = 03 Undervoltage (02) + Power-sync signal error (08) = 0A L1 phase open error (04) + PFC error (10) = 14

PUZ-A36NHA2-BS, PUY-A12NHA2, PUY-A42NHA2-BS, PUY-A30NHA2, PUZ-A36NHA2 specifications

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SW2 setting

Discharge superheat on error occurring

0~327 (0~182degC)

SHd

0~327

2 secs.

Sub cool on error occurring. SC

0~234 (0~130degC)

0~234

(Example) When 415 minutes;

Minute

0.5 secs.

U9 Error status during the Error

postponement period

PUZ-A36NHA2-BS, PUY-A12NHA2, PUY-A42NHA2-BS, PUY-A30NHA2, PUZ-A36NHA2 specifications