HTP SSU-119SE - Manual (Page 7)

7
LP-199 REV. 4.15.14
D. INSULATION BLANKETS
For installation of insulation blankets, refer to Solar Water Heating System Design
and Installation Guidelines, SRCC OG-300.
E. DOMESTIC HOT WATER TEMPERATURE ADJUSTMENT
An ASSE 1017 rated mixing valve to avoid severe burns or death from scalding
temperature IS REQUIRED PER SRCC OG-300.
Households with small children, disabled, or elderly persons may require a 120
o
F
or lower temperature setting to prevent severe personal injury or death due to
scalding.
F. FREEZE PROTECTION
NOTE: Consider piping and installation when determining heater location. Place heater in location not prone to freezing.
Failure of the solar system due to freeze related damage IS NOT covered by warranty.
In order to meet health and safety regulations, solar system antifreeze fluid should be food grade polypropylene glycol, FDA rated as
“generally recognized as safe” (GRAS). The recommended glycol is DOWFROST or equivalent. Using proper concentrations of glycol,
solar systems can be operated at ambient temperatures as low as -60
o F. Freeze tolerance limits are based upon an assumed set of
environmental conditions. Refer to the specification sheet included with the glycol for recommended concentrations. A glycol/water mix
must not exceed 50%, unless the manufacture specifies that a different ratio is recommended for use with solar water heaters. Glycol
may need to be changed periodically (every 3-5 years) to prevent it from becoming acidic; please refer to the guidelines provided by the
glycol manufacturer regarding replacement.
NOTE: The use of glycol not recognized as GRAS is allowed in double wall heat exchanger models ONLY.
PART 2 – IMPORTANT INSTALLATION INFORMATION
A. SCOPE OF MANUAL
This manual pertains only to the installation and operation of the HTP SuperStor solar water heater. Details for the installation,
operation, and maintenance of the complete solar water heating system, including, but not limited to: the solar collector(s), boiler, pump,
system controller, valves, and other plumbing components, should be provided separately by their respective manufacturers.
NOTE: This manual is primarily a reference document for authorized persons, as the solar water heater is not permitted to be installed
by non-authorized persons.
B. LOCAL STANDARDS AND AUTHORIZED PERSONS
Installation must be completed in accordance with local standards and regulations. Installation must also be completed by a qualified
tradesperson who holds rele
vant industry licenses or certificates. The term “authorized person(s)” refers to a suitably qualified
professional. Unless otherwise specified, no part of the HTP solar water heater may be inspected, repaired, or maintained by anybody
other than an authorized person.
C. TERMINOLOGY
Solar terminology differs from region to region. To avoid confusion, please note the following:
APPROXIMATE TIME / TEMPERATURE RELATIONSHIPS IN SCALDS
120
o
F More than 5 minutes
125
o
F 1 ½ to 2 minutes
130
o
F About 30 seconds
135
o
F About 10 seconds
140
o
F Less than 5 seconds
145
o
F Less than 3 seconds
150
o
F About 1 ½ seconds
155 o F About 1 second
Table 2