Aqua-Hot 450 D, Руководство пользователя

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© 2011 Aqua-Hot
®
450-D Hydronic Heating System Owner’s Manual
Maintenance Schedule
Monthly Maintenance:
Check the Aqua-Hot’s antifreeze and water heating solu-
tion to ensure that it is at the proper level. This can be
accomplished by visually checking the coolant level in the
Aqua-Hot’s Expansion Tank; reference Figure 7. Please
note that the coolant level should be checked
only when
the Aqua-Hot is at maximum operating temperature (i.e.,
immediately after the Diesel-Burner cycles OFF). When
maximum operating temperature, the antifreeze and wa-
ter heating solution should be at the level marked “HOT”
on the Expansion Tank.
Replenishing the Antifreeze and Water Heating
Solution:
If the antifreeze and water heating solution needs replen-
ishing, remove the Expansion Tank’s cap and fill the Ex-
pansion Tank to the “HOT” level mark. When refilling,
open the Air Release Valve located on the Expansion
Tank Connection to release air pockets; reference Figure
8. Hold the valve open until all air is released. If neces-
sary, refill the Expansion Tank again. Be sure the valve is
closed when finished by hand-tightening. Reference Ap-
pendices A through C in order to determine the correct
ratio of antifreeze to water, the proper type of antifreeze,
and the water quality recommendations for the Aqua-Hot
Hydronic Heating System’s antifreeze and water heating
solution. Reference Appendix D for information about
M
AINTENANCE
the tool and usage instructions for measuring the tank’s
freeze protection level.
Annual Maintenance:
To keep the Aqua-Hot running smoothly, it is ideal to
have the Diesel-Burner tuned-up annually. A tune-up
should consist of a new Fuel Nozzle and Fuel-Filter; ref-
erence Figure 9. To ensure maximum Diesel-Burner per-
formance, always use the recommended Fuel Nozzle and
Fuel Filter when replacing these parts. Reference the
Aqua-Hot’s Service and Parts Manual for spare parts in-
formation and detailed replacement instructions, contact
the Aqua-Hot Heating Systems Technical Support De-
partment at
1-800-685-4298
for assistance or to locate
the nearest Aqua-Hot Service Center, or visit the web site
at www.aquahot.com.
DO NOT operate the Diesel-Burner and/or the Elec-
tric Heating Element without the antifreeze and water
heating solution in the Aqua-Hot’s Boiler Tank; do-
ing so will cause serious damage to the Heater.
Propylene Glycol that is “Generally Recognized As
Safe” by the FDA must be utilized for the antifreeze
and water heating solution.
NOTE: For additional information regarding this propylene
glycol-based, boiler-type antifreeze that has been
“Generally Recognized As Safe” by the FDA, please
reference Appendix A, contact Aqua-Hot Heating Sys-
tems Technical Support Department at
1-800-685-
4298 , or visit the Web site at www.aquahot.com .
Figure 8
Figure 7
Fluid will reach
Expansion Tank
line when hot
Expansion
Tank Cap
Air-Release
Valve
Expansion Tank
Connection
Fuel Nozzle
Part Number:
FLX-013-150
Fuel Filter
Part Number:
FLE-120-100
Figure 9
DA N G E R !
WA R N I N G !
W
HEN THE
A
QUA
-H
OT IS AT MAXIMUM OPERATING TEM-
PERATURE
,
THE COOLANT WILL BE VERY
HOT! I
F THE
A
QUA
-H
OT
’
S HEATING SYSTEM IS ACCESSED
,
SCALDING BY
HOT VAPOR OR COOLANT COULD RESULT
! B
EFORE CLEAN-
ING OR SERVICING
,
DISCONNECT ALL POWER SUPPLIES
!