TURBOPOWER 99WATER 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

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PVI Industries PV500-12 manual LED Display Alarm Messages

PV500-12 specifications

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