Mitsubishi Electronics MUZ-GB50VA service manual Outdoor DB

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PERFORMANCE DATA COOL operation Rated frequency 79Hz

MSZ-GB50VA : MUZ-GB50VA

CAPACITY:5.0(kW)				SHF:0.69				INPUT:1650(W)

									OUTDOOR DB(:)
INDOOR		INDOOR				35					40					43
DB(:)		WB(:)	Q		SHC		SHF	INPUT	Q	SHC		SHF	INPUT	Q	SHC		SHF	INPUT
21		18	4.90		2.50		0.51	1617	4.50	2.30		0.51	1716	4.30	2.19		0.51	1749
21		20	5.15		2.01		0.39	1683	4.80	1.87		0.39	1766	4.60	1.79		0.39	1815
22		18	4.90		2.70		0.55	1617	4.50	2.48		0.55	1716	4.30	2.37		0.55	1749
22		20	5.15		2.21		0.43	1683	4.80	2.06		0.43	1766	4.60	1.98		0.43	1815
22		22	5.45		1.69		0.31	1749	5.10	1.58		0.31	1848	4.90	1.52		0.31	1881
23		18	4.90		2.89		0.59	1617	4.50	2.66		0.59	1716	4.30	2.54		0.59	1749
23		20	5.15		2.42		0.47	1683	4.80	2.26		0.47	1766	4.60	2.16		0.47	1815
23		22	5.45		1.91		0.35	1749	5.10	1.79		0.35	1848	4.90	1.72		0.35	1881
24		18	4.90		3.09		0.63	1617	4.50	2.84		0.63	1716	4.30	2.71		0.63	1749
24		20	5.15		2.63		0.51	1683	4.80	2.45		0.51	1766	4.60	2.35		0.51	1815
24		22	5.45		2.13		0.39	1749	5.10	1.99		0.39	1848	4.90	1.91		0.39	1881
24		24	5.75		1.55		0.27	1815	5.40	1.46		0.27	1898	5.25	1.42		0.27	1947
25		18	4.90		3.28		0.67	1617	4.50	3.02		0.67	1716	4.30	2.88		0.67	1749
25		20	5.15		2.83		0.55	1683	4.80	2.64		0.55	1766	4.60	2.53		0.55	1815
25		22	5.45		2.34		0.43	1749	5.10	2.19		0.43	1848	4.90	2.11		0.43	1881
25		24	5.75		1.78		0.31	1815	5.40	1.67		0.31	1898	5.25	1.31		0.25	1947
26		18	4.90		3.48		0.71	1617	4.50	3.20		0.71	1716	4.30	3.05		0.71	1749
26		20	5.15		3.04		0.59	1683	4.80	2.83		0.59	1766	4.60	2.71		0.59	1815
26		22	5.45		2.56		0.47	1749	5.10	2.40		0.47	1848	4.90	2.30		0.47	1881
26		24	5.75		2.01		0.35	1815	5.40	1.89		0.35	1898	5.25	1.21		0.23	1947
26		26	6.05		1.39		0.23	1881	5.70	1.31		0.23	1964	5.50	1.27		0.23	2013
27		18	4.90		3.68		0.75	1617	4.50	3.38		0.75	1716	4.30	3.23		0.75	1749
27		20	5.15		3.24		0.63	1683	4.80	3.02		0.63	1766	4.60	2.90		0.63	1815
27		22	5.45		2.78		0.51	1749	5.10	2.60		0.51	1848	4.90	2.50		0.51	1881
27		24	5.75		2.24		0.39	1815	5.40	2.11		0.39	1898	5.25	1.10		0.21	1947
27		26	6.05		1.63		0.27	1881	5.70	1.54		0.27	1964	5.50	1.49		0.27	2013
28		18	4.90		3.87		0.79	1617	4.50	3.56		0.79	1716	4.30	3.40		0.79	1749
28		20	5.15		3.45		0.67	1683	4.80	3.22		0.67	1766	4.60	3.08		0.67	1815
28		22	5.45		3.00		0.55	1749	5.10	2.81		0.55	1848	4.90	2.70		0.55	1881
28		24	5.75		2.47		0.43	1815	5.40	2.32		0.43	1898	5.25	1.00		0.19	1947
28		26	6.05		1.88		0.31	1881	5.70	1.77		0.31	1964	5.50	1.71		0.31	2013
29		18	4.90		4.07		0.83	1617	4.50	3.74		0.83	1716	4.30	3.57		0.83	1749
29		20	5.15		3.66		0.71	1683	4.80	3.41		0.71	1766	4.60	3.27		0.71	1815
29		22	5.45		3.22		0.59	1749	5.10	3.01		0.59	1848	4.90	2.89		0.59	1881
29		24	5.75		2.70		0.47	1815	5.40	2.54		0.47	1898	5.25	0.89		0.17	1947
29		26	6.05		2.12		0.35	1881	5.70	2.00		0.35	1964	5.50	1.93		0.35	2013
30		18	4.90		4.26		0.87	1617	4.50	3.92		0.87	1716	4.30	3.74		0.87	1749
30		20	5.15		3.86		0.75	1683	4.80	3.60		0.75	1766	4.60	3.45		0.75	1815
30		22	5.45		3.43		0.63	1749	5.10	3.21		0.63	1848	4.90	3.09		0.63	1881
30		24	5.75		2.93		0.51	1815	5.40	2.75		0.51	1898	5.25	0.79		0.15	1947
30		26	6.05		2.36		0.39	1881	5.70	2.22		0.39	1964	5.50	2.15		0.39	2013
31		18	4.90		4.46		0.91	1617	4.50	4.10		0.91	1716	4.30	3.91		0.91	1749
31		20	5.15		4.07		0.79	1683	4.80	3.79		0.79	1766	4.60	3.63		0.79	1815
31		22	5.45		3.65		0.67	1749	5.10	3.42		0.67	1848	4.90	3.28		0.67	1881
31		24	5.75		3.16		0.55	1815	5.40	2.97		0.55	1898	5.25	0.68		0.13	1947
31		26	6.05		2.60		0.43	1881	5.70	2.45		0.43	1964	5.50	2.37		0.43	2013
32		18	4.90		4.66		0.95	1617	4.50	4.28		0.95	1716	4.30	4.09		0.95	1749
32		20	5.15		4.27		0.83	1683	4.80	3.98		0.83	1766	4.60	3.82		0.83	1815
32		22	5.45		3.87		0.71	1749	5.10	3.62		0.71	1848	4.90	3.48		0.71	1881
32		24	5.75		3.39		0.59	1815	5.40	3.19		0.59	1898	5.25	0.58		0.11	1947
32		26	6.05		2.84		0.47	1881	5.70	2.68		0.47	1964	5.50	2.59		0.47	2013
NOTE		Q : Total capacity (kW)							SHF : Sensible heat factor						DB : Dry-bulb temperature
	SHC : Sensible heat capacity (kW)								INPUT : Total power input (W)						WB : Wet-bulb temperature

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Contents Revised EDITION-A R410A Refrigerant OBR01 ContentsMUZ-GA50VA E1 Technical ChangesSNB130FLDH SNB130FLDH1Accessories SpecificationPart Names and Functions MUZ-GB50VASpecifications and rating conditions of main electric parts Band Octave Noise Criteria CurvesMUZ-GB50VA Outdoor Unit Outlines and DimensionsOutdoor Unit MUZ-GB50VA Wiring DiagramUnitmm Refrigerant System DiagramIndoor Unit Outdoor Unit Performance CurvesCapacity and input curves MUZ-GB50VA Test RUN Operation How to operate fixed-frequency operationCool operation Performance Data Cool operation Rated frequency 79Hz MSZ-GB50VA MUZ-GB50VAOutdoor SHC SHF InputOutdoor DB Performance Data Heat operation Actuator ControlOutdoor fan motor control R.V. coil controlRelation between main sensor and actuator MUZ-GB50 TroubleshootingOFF Failure mode recall functionOperational procedure Outdoor unit failure mode table Time flash Communication error Lighting Indicator Instruction of troubleshootingOperation EmergencyOperate Lightning Twice Outdoor power system Troubleshooting check table MUZ-GB50VAOnce Lighting RED BLK BLK WHT Trouble criterion of main parts MUZ-GB50VAWHT RED RED ORNTroubleshooting flow How to check inverter/ compressorCheck of outdoor thermistors Check of R.V. coil When heating operation does not workCheck of outdoor fan motor Check of power supplyCheck of LEV Check of current-limiting resistorParts side Electromagnetic noise enters into TV sets or radios Discharge temperature thermistor RT62 Noise filter P.C. board CN2 Outdoor power boardCN3 CN5MUZ-GB50VA Outdoor Unit Operating Procedure Photos Disassembly InstructionsRemoving the cabinet Photo Removing R.V. coil Operating Procedure PhotosRemoving outdoor fan motor Photo Ture thermistor and ambient temperature thermistorRemoving the reactor Removing the compressor and 4-way valve PhotoRoHS Parts List RoHS compliant MUZ-GB MUZ-GB50 MUZ-GB50VA Accessory