16
TROUBLESHOOTING:
Follow the chart below for problem identification and
resolution:
SYMPTOM CHECK
REPAIR
No hot water
Check to see
power is on to
backup element
Re-engage
power. If power is
on replace
element.
Perform solar
system
operational
checks
If pump does not
function, replace
it. If controller is
not working,
Check sensors
and replace if
necessary. If
controller does
not work, replace
it.
If election is made
to operate on
“Solar Only”
Check to insure
sufficient sunlight
has been
available.
Check HTF level
in drainback tank
If low, add
distilled water.
Pump “On”
light is lit,
pump does
not run.
Unplug pump
power line from
controller and
plug into 115V
extension cord
If pump runs,
replace controller,
if not replace
pump cartridge or
capacitor.
Pump and
controller
work but no
hot water.
Check for
sufficient sun
light.
If no sun light is
available, reapply
power to electric
backup element.
Check to insure
proper flow in
solar loop.
If HTF water is
not flowing call
solar contractor
who installed the
system for service
If solar loop is
working properly
but sunlight is not
available then
check electric
backup element.
Replace electric
element.
Water is too
HOT.
Check high limit
setting on solar
controller.
Reduce setting if
too high.
If solar supplied
water is at
preferred
temperature
Install optional
tempering valve
between cold and
hot lines on water
heater.
SYMPTOM CHECK
REPAIR
Check for
thermostat failure
on electric
element.
If bad replace it.
NO lights on,
on controller
Check to insure
unit is plugged in.
If plugged in
replace unit or
call technician
Unsure of
system
performance.
Call
system
installer.
Additional Troubleshooting procedures for solar
systems can be found at the Florida Solar Energy
Center web site:
http://www.fsec.ucf.edu/solar/apps/sdhw/trouble.htm
SYSTEM PARTS LIST:
System Part Number:
Each SUN HoM system is identified by a system
part number, i.e.: DBSA 80-40. The letters refer to:
DrainBack Type Heat Exchanger type:
“DB” only means Heat Exchange Tank
“DBSA” stands for Side Arm Heat Exchanger
The first two or three number designators, (i.e.: 80
or 120) stand for the tank size in gallons. The
second two number designators indicate collector
square footage, (i.e.: 40).
The table below indicates collector type based on
the square footage number. Collectors are
manufactured and supplied by SunEarth, Inc.
Designator
BRAND Sq. Ft.
Part #
NO.
40 Empire
40
EP-40
1
42 Empire
21
EP-21
2
48 Empire
24
EP-24
2
63 Empire
21
EP-21
3
64 Empire
32
EP-32
2
72 Empire
24
EP-24
3
80 Empire
40
EP-40
2
16
Содержание DB-8040
Страница 8: ...8 8 Fig 6 Fig 8 Fig 7 Fig 9 ...