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Part # MPSM07 (03/24/08) Page 13
WATER CONNECTIONS
It is the responsibility of the purchaser to install and maintain
the water supply to the moisture+ oven. Failure to provide
satisfactory water quality to operate the oven properly
can cause damage to integral components and void your
warranty.
This oven must be installed to comply with the applicable
federal, state, or local plumbing codes.
Water supply connection to the moisture+ is made via a
1/8” NPTF tting at the rear of the oven. The ability to move
the oven for service and cleaning may be a consideration
when choosing the type of connection and supply line to be
attached at this tting.
The moisture+ water delivery system includes a water
pressure regulator that has been pre-set to operate at 20 psi.
The water supply must maintain at least 20 psi and a ow rate
of three gallons per minute for proper operation of the oven’s
moisture injection system.
Water Quality Requirements
Garland recommends that the supply water be ltered before
it enters the oven’s water delivery system. This will extend the
life of the oven and its water delivery system components by
minimizing particles in typical tap water sources that cause
scaling and build-up of mineral deposits.
The recommended minimum water quality standards,
whether treated or pre-treated, and based on 10 hours of use
per day, and daily cleaning./descaleing are as follows:
Total dissolved solids – less than 60 parts per million, total
alkalinity – less than 20 parts per million, silica – less than 13
parts per million, chlorine – less than 30 parts per million and
a pH Factor greater than 7.5.
Consult a local water treatment specialist for an on-site
water analysis for recommendations concerning feed water
treatment (if required), in order to remove or reduce harmful
concentrations of minerals. The use of highly mineralized
water will cause more frequent cleaning and reduce
operating eciency. The fact that a water supply is potable is
not proof that it will be suitable for moisture mode operation.
Component failure/service related to poor water quality will
not be covered under warranty.
Spray/Flex Hose W/Quick Disconnect
Your moisture+ oven may be equipped with the optional
spray/ex hose assembly. The spray/ex hose assembly is
intended to assist in cleaning the oven. The water pressure
and velocity may vary, depending on the pressure and
velocity of the water supply connected to the oven.
Drain
Your moisture+ oven has a gravity drain in the right rear
corner of the oven cavity. The drain pipe that exits the rear
of the oven must be directed downward toward the oor,
and should run directly to an open oor drain. Garland
provides an 1-1/2” male pipe adapter for connecting your
drain lines. Avoid using exible hose that could sag or kink,
allowing water to accumulate. The drain must be vented. This
connection must be at least 1-1/2” (38.1 mm) in diameter and
congured in accordance with local codes.
Figure 5.
B
A
A
B
1/8" NPT WATER
SUPPLY CONNECTION
DETAIL A
1-1/2" NPT MALE
TRAP ADAPTER
DETAIL B