Black & Decker MUZ-FD12NA- U1, MUZ-FD09NA- U1 service manual Test condition, Operating Range

Test condition

3,	4
ARI	Mode	Test		Indoor air condition		Outdoor air condition
				Dry bulb (°F)	Wet bulb (°F)	Dry bulb (°F)	Wet bulb (°F)
		"A" Cooling Steady State		80	67	95	(75)
		at rated compressor Speed
		"B-2" Cooling Steady State		80	67	82	(65)
		at rated compressor Speed
	SEER	"B-1" Cooling Steady State		80	67	82	(65)
	(Cooling)	at minimum compressor Speed
		Low ambient Cooling Steady State		80	67	67	(53.5)
		at minimum compressor Speed
		Intermediate Cooling Steady State		80	67	87	(69)
		at Intermediate compressor Speed	5
		Standard Rating-Heating		70	60	47	43
		at rated compressor Speed
		Low temperature Heating		70	60	17	15
		at rated compressor Speed
		Max temperature Heating		70	60	62	56.5
	HSPF	at minimum compressor Speed
	(Heating)	High temperature Heating		70	60	47	43
		at minimum compressor Speed
		Frost Accumulation		70	60	35	33
		at rated compressor Speed
		Frost Accumulation		70	60	35	33
		at Intermediate compressor Speed	5

5 : At Intermediate compressor Speed

=("Cooling rated compressor speed" - "minimum compressor speed") / 3 + "minimum compressor speed".

OPERATING RANGE

(1) POWER SUPPLY

	Rated voltage		Guaranteed Voltage
	208/230 V	Min.187 V 208 V 230 V Max.253 V
Outdoor unit	1 phase
	60 Hz

(2) OPERATION

Mode	Condition			Intake air temperature (°F)
		lndoor				Outdoor
		DB		WB	DB		WB
	Standard temperature	80		67	95		—
Cooling	Maximum temperature	90		73	115		—
	Minimum temperature	67		57	14		—
	Maximum humidity	78	%			—
Heating	Standard temperature	70		60	47		43
	Maximum temperature	80		67	75		65
	Minimum temperature	70		60	14		13

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