Pentair Pool Products MiniMax CH 150, Руководство по эксплуатации и установке

Страница: 28 / 37

Rev. E 11-5-07 P/N 472128
27
Operation (contd.)
HEAT (HEAT)
The heat light is on any time the thermostat has
signaled a call for heat which initializes the ignition
safety firing circuit -- the light comes on to indicate
successful firing of the main burners.
SERVICE (SERVICE)
The service light is off during normal operation of
heater. The light only comes on if a problem with a
control has occurred or when the heater is first
firing. The problem must be investigated by the
serviceman prior to attempts to fire the heater again.
The diagrams that follow give examples of
troubleshooting a malfunctioning heater using the
assistance of the indicator lights.
TROUBLESHOOTING (CONTROLS)
Example of troubleshooting with the assistance of the indicator lights.
P W R T S T A T R MT P R E S S
S R V E
H I T E MP T F U S E
G A S V A LV E
MV
MV
IG N IT IO N MO D U LE
IN D G N D V A L
MV H E A T
C LO S E IF
N O MV
T H E R MO S T A T
R E LA Y
R E MO T E P R E S S T F U S E
H I T E MP
LIMIT S W IT C H E S B R E A K E R
C IR C U IT
T R A N S F O R ME R
IN C O MIN G
LIN E V O LT A G E
T H E R MO S T A T C IR C U IT B O A R D
LIMIT S W IT C H E S
H I T E MP
N O MV
C LO S E IF
T H E R MO S T A T C IR C U IT B O A R D
T R A N S F O R ME R
LIN E V O LT A G E
IN C O MIN G
P W R
C IR C U IT
B R E A K E R
T S T A T R MT
R E LA Y
T H E R MO S T A T
R E MO T E
P R E S S
S R V E
P R E S S
H I T E MP
MV T F U S E
T F U S E
H E A T
IG N IT IO N MO D U LE
IN D G N D V A L
G A S V A LV E
MV
MV
W A T E R A T S E LE C T E D T E MP E R A T U R E .... N O R MA L O P E R A T IO N
T H E R MO S T A T C A LLIN G F O R H E A T - P U MP O F F (N O P R E S S U R E ) B LO C K S F IR IN G
N O R MA L O P E R A T IO N
S Y MB O L T A B LE
LE D LIT
LE D O F F
S W IT C H O R D E V IC E
O P E N C IR C U IT
(B LO C K C U R R E N T )
S W IT C H O R D E V IC E
C LO S E D C IR C U IT
(P A S S C U R R E N T )
T H E R M
A U X
P R E S S
H E A T
P O W E R
S E R V IC E
F R O N T P A N E L LE D S
F R O N T P A N E L LE D S
H E A T
P R E S S
A U X
T H E R M
S E R V IC E
P O W E R
O R P O O L/O F F /S P A T H E R MO S T A T S E LE C T S W IT C H O F F .... N O R MA L O P E R A T IO N
A-5