PVI Industries PV500-12 manual TURBOPOWER 99 WATER HEATER, 11.8LED Display Alarm Messages, Cause

TURBOPOWER 99 WATER HEATER

11.8LED Display Alarm Messages

Alarm messages are displayed in the upper LED readout and alternate with the default display. An alarm LED ICON is also illuminated. (See TempTrac User Manual PV500-40 for full description.)

ALARM	CAUSE	RESULTS OF ALARM CONDITION	RECOMMENDED
MESSAGE			ACTION
		Inlet temperature sensor is not
“P1”	TP1 probe failure	connected or is reading incorrectly. Call	Check wiring and sensor
		for heat and burner modulation output	Terminals 14 & 17
		signal will revert to low fire.
			Check wiring and sensor
“P2”	TP2 probe failure	Temperature sensor is not connected	Terminals 15 & 17
		or is reading incorrectly.	If no probe, change
			TempTrac setting of P2P
		Temperature sensor is not connected	Check wiring and sensor
“P3”	TP3 probe failure	or is reading incorrectly or flue gas
		temperature protection is disabled (if	Terminals 16 & 17
		used).
“HA”	High temperature limit	Buzzer sounds, operation continues	Manual reset required
	setpoint exceeded
“LA”	Low temperature alarm	Buzzer sounds, operation continues
	Digital input 3 is activated
	for one or more of the
HP	following:	Unit de-energized after timer delay	Manually reset required
	Flame failure or any control
	component failure, if
	equipped with alarm on any
	failure option
LP	Digital input 2 is activated	Unit de-energized after timer delay	Manually reset required
Mn1	Maintenance alarm for	Buzzer sounds, operation continues	Check wiring and sensor
	output 1
Mn2	Maintenance alarm for	Buzzer sounds, operation continues	Check wiring and sensor
	output 2
Mn3	Maintenance alarm for	Buzzer sounds, operation continues	Check wiring and sensor
	output 3
“rtc”	The real time clock has lost	Energy saving function disabled	Reprogram clock
	its setting

18 PV500-12 08/12