Pentair Hydromatic H-03-000 Installation And Service Manual page 4

1. Pump does not run in
Hand position.
a. Check pump circuit breaker
and control fuse for trip ping
or blown condition.
b. Check incoming
volt age and control cir cuit
volt age.
c. Check overload re lay to see
if it is tripped. Reset relay
if tripped.
d. With the power off, check
motor heat sensor continuity.
e. Check wiring of pump to
con trol panel. It should
agree with the sche mat ic.
f. Check contactor
re sis tance.
2. Pump does not run in
Auto position.
a. Check items (a.) through
(f.) per Item #1 above.
b. Floats may be miswired to
control panel. Check float
type (N.O. or N.C.) and
hook up by re fer ring to the
schematic. If the start and
stop floats are hooked in
reverse, pump will short
cycle and will not pump the
level down.
c. Check pump
in di cat ing lights.
DUPLEX
OFF
FLT
LEAD
FLT
No Lights On
(No call from the floats)
1. Make sure there is power
to the controller.
2. Is water level in the
sys tem high enough to
ac ti vate the floats?
4
3. If #1 and #2 check out,
power
Off Float Light On
coil
1. Is water level in the
system
to
(ON) float?
2. If #1 checks out, shut
off pow er to the panel.
Remove the lead (ON)
float wires and run a
jum per between the LEAD
FLOAT
connec tions. If one or two
pumps start, check the lead
(ON) float for "hang up" or
loose wir ing con nec tions.
1. Check
controller
(H-O-A) switch for correct
position.
PUMP 1
CALL
PUMP 2
CALL
"FLOAT" light ON, "LEAD FLOAT" light
ON, and either "PUMP 1" or "PUMP 2"
light ON tells you the lead float is calling
for pump.
All lights ON on pump controller tells
you all float circuits are good and the
problem lies elsewhere.
shut power off to the
pan el. Remove the OFF
FLOAT wires and run a
jump er between the OFF
FLOAT connections.
If OFF FLOAT light
comes on, the float is
"hung up" or the wiring
connections are loose.
DUPLEX
PUMP 1 OFF
CALL FLT
PUMP 2 LEAD
CALL FLT
high enough
activate the lead
(ON FLOAT)
Hand-Off-Auto
DUPLEX ONLY
PUMP 1 OFF
CALL FLT
PUMP 2 LEAD
CALL FLT
OR
PUMP 1 OFF
CALL FLT
PUMP 2 LEAD
CALL FLT
2. Check for heat sensor
trip in pump with a jumper
between HEAT SEN SOR
1 and HEAT SEN SOR 2
terminals.
3. Reset overload(s) if tripped.
4. Reset circuit breakers if
tripped.
3. Pump runs, but run light
does not energize.
a. Re move light and check
with ohmmeter.
b. Check run light wir ing.
4. Pump runs but does not
pump down the wet well.
a. On three phase only, pump
rotation may be wrong.
Wiring of pump to con-
trol pan el may be re verse
sequenced.
b. Impeller may be dragging
in volute due to sol ids.
High am per age draw would
identify this.
c. Refer to the pump manual
for other possibilities such
as closed discharge gate
valve, etc.
5. Severe humming/chat ter ing
of contactors and control
relays.
a. There may be low voltage.
Check voltage at primary
and secondary of control
transformer
volt me ter. This low voltage
condition may cause severe
chat ter ing and burnout of
contactors and relays.
b. Contactor may have dust
around magnet of coil
struc ture. Dry or clean
as re quired.
c. Check voltage
control panel. Contactors
require a minimum of
us ing a
to the