Aqua-Hot™ Hydronic Heating System Owner’s Manual 07/04
Page 8
SECTION 3: OPERATING INSTRUCTIONS
Important
Information
3.6 Precautions
WARNINGS:
• The Aqua-Hot's Exhaust is HOT!
• DO NOT
park in areas where dry conditions exist underneath the
vehicle, as a fire may result (e.g., in a dry grassy field).
• DO NOT
operate the Aqua-Hot’s Diesel-Fired Burner inside an
enclosed building.
•
The Heater should be switched
OFF
when refueling.
CAUTION: DO NOT
operate the Diesel-Burner and/or the Electric
Heating Element(s) without the water and antifreeze solution in the Aqua-
Hot’s Boiler Tank. Failure to do so will cause
serious damage
to the
Heater.
SECTION 4: MAINTENANCE
Upkeep
4.1 Maintenance Schedule
Monthly
Check the Aqua-Hot's solution of water and antifreeze to ensure that it is
at the proper level. Do this by visually checking the coolant level in the
Aqua-Hot's Expansion Tank; reference
Figure 1
. Please note that the
coolant level should be checked
only
when the Aqua-Hot is at maximum
operating temperature (i.e., when the Diesel-Burner cycles
OFF
),
“HOT.”
WARNING:
When the Aqua-Hot is at maximum operating temperature
(
HOT
),
DO NOT
loosen the Radiator Cap. If removed, scalding by hot
vapor or coolant could result.
NOTE:
This Aqua-Hot product utilizes a Propylene Glycol (P.G.) based
water and antifreeze solution. This P.G. based solution is a Boiler type
antifreeze, which is Generally Recognized as Safe (“GRAS”) by the FDA.
For additional information regarding this GRAS antifreeze product, please
contact us at 1-800-685-4298 or visit our website at
www.vehiclesys.com
.
If the coolant needs replenishing, fill the Aqua-Hot’s Expansion Tank to the
FULL HOT
level mark. Be sure to use a 50/50 mixture of water and (P.G.)
antifreeze.
SECTION 4: MAINTENANCE