Rinnai REU - 16 FUA - E Diagnostic Points, Transformer Voltages And Resistances, Connector

DIAGNOSTIC POINTS

Flow		Measurement point		Determination (normal figure)
Chart	Component			Upper : Voltage					Remark
		CN	Wire Color
No.				Lower : Resistance, Current
		I	B-Br	AC200		AC240V			AC power
	GEARED	A1	R-B	DC11		13V			Drive power
	MORTOR			10	30 
			R-Bk	DC11		13V			Control power
			Y-Bk	Below DC1V(limiter ON)					Full open limiter
				Below DC4			6V(limiter OFF)
			Br-Bk	Below DC1V(limiter ON)					Full close limiter
				Below DC4			6V(limiter OFF)
	REMOTE CON	E1	Bk-W	DC11		13V
	TROLS
	WATER FLOW	A2	R-Bk	DC11		13V			ON2.4L/min
	SENSOR
									(35Hz) over 2100
									pulse/min.
			Y-Bk	DC4		7V(pulse 17		400Hz)	OFF1.7L/min
									(24Hz) below 1440
									pulse/min
	FAN MOTOR	B1	R-Bk	DC6		40V			More than 1200
			Y-Bk	DC11		13V			pulse/min
			W-Bk	DC2		10V(pulse 20		400Hz)
	FLAME ROD	C2	Y-earth	More than DC1 A					At ignition
	HOT WATER	A4	W-W	15		11.4	14.0k		Measure Thermis-
	THERMISTOR			30		6.4	7.8k		tor side (small wire)
				45		3.6	4.5k	
				60		2.2	2.7k	
				105		0.6	0.8k	
	AIR INTAKE	A3	Y/Bk-Y	15		20.1	17.9k		Measure Thermis-
	THERMISTOR			30		10.2	8.9k		tor side (small wire)
				45		5.5	4.7k	
				60		3.1	2.6k	
				105		0.7	0.5k	
	THERMAL	C3	R-switch	Less than 1			
	FUSE	A5
	IGNITOR	G1	Gy-Gy	AC200		240V
	MAIN SOLE-	F1	P-Bk	DC200		240V
	NOID VALVE			6.0	7.8K		
	SOLENOID	F2	B-Bk	DC200		240V
	VALVE 1			7.8	10.8K		
	SOLENOID	F3	Y-Bk	DC200		240V
	VALVE 2			7.8	10.8K		
	MODULATING	C1	P-P	DC2		15V
	VALVE			67	83 

TRANSFORMER VOLTAGES AND RESISTANCES

Connector	Wire Color	Normal Value
H	W-W	AC200	240V	11	20	
D	Or-Or	AC49	55V	1.3	1.7	
D	B-Br	AC12	14V	0.7	1.3	
D	Br-Y	AC195	216V	175	215	

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