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COMBITOUCH
®
ESG SERIES • GAS INSTALLATION MANUAL • MN-29246 • 22.
INSTALLATION
WATER SUPPLY & INSTALLATION
WATER REQUIREMENTS WATER QUALITY MINIMUM STANDARDS
TWO (2) COLD WATER INLETS - DRINKING QUALITY
ONE (1) TREATED WATER INLET: 3/4" NPT*
ONE (1) UNTREATED WATER INLET: 3/4" NPT*
LINE PRESSURE: 30 to 90 psi 2.8 to 6.2 bar
WATER DRAIN:
1-1/2" connection With a 2" minimum air gap installed as close
to the oVen as possiBle. materials must Withstand temperatures up to 200°F (93°c).
USING A WATER SUPPLY NOT MEETING ALTO-SHAAM’S MINIMUM
WATER QUALITY STANDARDS WILL VOID THIS WARRANTY.
It is the responsibility of the purchaser to ensure that incoming water supply is
compliant with the specifi cations listed through adequate treatment measures.
Installation of the CombiGuard
TM
Water Filtration System is recommended, but
this system may not address all water quality issues present.
CLEARANCE REQUIREMENTS
Contaminant
Free Chlorine
Hardness
Chloride
pH
Alkalinity
Silica
Total Dissolved Solids (tds)
Inlet Water Requirements (
untreated water)
Less than 0.1 ppm (mg/L)
Less than 3 gpg (52 ppm)
Less than 30 ppm (mg/L)
7.0 to 8.5
Less than 50 ppm (mg/L)
Less than 12 ppm (mg/L)
Less than 60 ppm
LEFT 6" (152mm)
RECOMMENDED SERVICE ACCESS: 18" (457mm)
20" (508mm) FROM HEAT PRODUCING EQUIPMENT
RIGHT 4" (102mm) TOP: 20" (508mm) FOR AIR MOVEMENT
BACK 4" (102mm) BOTTOM: 5-1/8" (130mm) FOR LEGS
* Can manifold off of
one 3/4" line.
Flush the water line at the installation site.
Install water intake filters (provided) [see Figure 1] before connecting the oven to the water supply.
Backflow Prevention — The equipment must be installed with adequate backflow protection to comply
with applicable federal, state, and local codes.
PIPE SEALING TAPE (
TEFLON®) MUST BE USED AT ALL CONNECTION POINTS. The use of a pipe
sealing compound is not recommended.
Incoming cold
water connection
T connection
Cold water line
to untreated
oven connection
Cold water
line to filter
or treatment
system
Water Filter
Install water
intake filters
Figure 1
ONE SUGGESTED
METHOD OF INSTALLATION
NOTE:
BOTH TREATED AND UNTREATED
WATER CONNECTIONS MUST
BE CONNECTED FOR PROPER
OPERATION OF THE OVEN.
BOTH CONNECTIONS CAN BE
TREATED WATER, BUT SHOULD
NEVER BE CONNECTED TO ONLY
UNTREATED WATER.
UNIONS OR FLEXIBLE LINES
SHOULD BE USED TO ALLOW FOR
OVEN MOVEMENT WHEN BEING
SERVICED OR CLEANING
IS NEEDED.
CombiGuard™
FI-23014 shown
Alto-Shaam now offers an improved water
filtration system for Combitherm
®
. The
CombiGuard™ 10 & 20 triple-guard water
filtration system filters dirt, sediment, and other
debris as small as 1/2 micron. This system also significantly reduces
chlorine content to protect against corrosive chorine compounds.
CombiGuard improves equipment efficiency, reduces service requirements
and extends the life of the Combi oven. After installation, confirm that
water quality standards specified in this manual are being met. Filtration
systems include one filter cartridge. Additional cartridges can be purchased
separately. Refer to an earlier page for additional ordering information.
The CombiGuard™ BWS Blended Water System utilizes reverse osmosis to
remove more than 97% of the total dissolved solids from water which can be
precisely blended with filtered and treated water.
Treated cold water
to backflow preventer
to treated connection
on oven