Aqua-Hot™ Hydronic Heating System Owner’s Manual 07/04
5.1 Domestic Hot Water System
The Aqua-Hot's Domestic Hot Water Heating System must be completely
drained of domestic water any time the heater is stored where freezing
temperatures may be experienced.
CAUTION
: Not winterizing your Aqua-Hot, when freezing temperatures
are present,
will result in serious damage
to the Aqua-Hot's Domestic
Hot Water Heating System.
NOTE:
The Aqua-Hot can still be used for interior zone heating even if the
domestic hot water system has been drained and winterized.
Please follow the instructions listed below when winterizing the Aqua-Hot’s
Domestic Hot Water Heating System:
A.
Completely drain the fresh water storage tank.
NOTE:
If your motorhome is equipped with appliances that use fresh
water (e.g., ice makers, water purifiers, etc.), follow the manufacturer's
recommendation for winterization.
B.
Disconnect the domestic water demand pump's suction line from the
fresh water storage tank.
SECTION 5: WINTERIZATION
Storage
C.
Attach an adequate piece of hose onto the suction side of the domestic
water demand pump.
D.
Place the opposite end of the hose into an adequate supply of FDA
approved RV-Antifreeze.
E.
Open / close all interior and exterior water faucets, one at a time, until
only pure RV-Antifreeze is present. Perform this procedure for both the
hot and cold faucets.
F.
Remove the hose and reconnect the domestic water demand pump's
suction line to the fresh water storage tank.
G.
Disconnect all electrical power supplies to the Aqua-Hot during storage.
NOTE:
For de-winterization, completely fill the fresh water storage tank.
Open / close all interior and exterior water faucets, one at a time, until only
clear water is present / visible.
CAUTION:
If you are disinfecting your potable water system after de-
winterizing, be sure to follow RVIA’s
“Instruction for Disinfection of
Potable Water Systems on Recreation Vehicles.”
These instructions
can be found in the ANSI A119.2 Handbook for Recreational Vehicle Stan-
dards. To receive a copy of this RVIA Standard, write to:
Recreation
Vehicle Industry Association, 1896 Preston White Drive, P.O. Box
2999, Reston, VA 20195-0999
or visit the RVIA website at
www.rvia.com.
SECTION 5: WINTERIZATION
Storage
,
continued
Page 8
