SECTION TWO – Heater Installation
The pressure switch must be adjusted when a heater is
mounted more than ______ below deck level.
____ 2 feet (.67 M)
____ 3 feet (1 M)
____ 4 feet (1.3 M)
____ 5 feet (1.67 M)
It is OK to operate the heater when the Service Heater
indicator light is on.
Yes _____ No _____
When clearing gas from the line, you should wait
____________. If you still smell gas, stop and turn off
gas to heater.
____ 1 minute
____ 5 m i n u t e s
____ 1 0 minutes
____ 3 0 minutes
When turning off the gas supply to the heater, the
____________ must be removed.
____ operating control panel
____ jacket cover
____ flue collar
____ v ent cover
Respond to the following statements:
For indoor installation, locate the heater so as to
minimize the length of the horizontal vent and the
number of elbows required.
Yes _____ No _____
Maintain a 6 inch clearance from the top and sides of a
heater installed indoors.
Yes _____ No _____
The heater is design certified by CSA for installation on
combustible flooring in the U.S.
Yes _____ No _____
The recommended minimum clearance for indoor
heater servicing requirements is 12 inches or 1 foot
(.34 M).
Yes _____ No _____
Which of the following outdoor heater installation
guidelines is incorrect?
____ Allow a 6-inch (15 cm)clearance above the
heater .
____ Locate the heater on a level surface.
____ D o not install the heater under a deck or
overhang.
____ Locate the heater in an area where leaves or
other debris will not collect on or around it.
The heater is designed to be connected to ______ PVC
pipe, using integral unions provided.
____ 1 inch (2.54 cm)
____ 1-1/2 inch (3.81 cm)
____ 2 inch (5.08 cm)
____ 2-1/2 inch (6.35 cm)
The minimum/maximum water flow rate require d fo r
the 333 Model Heater is:
____ 2 0 / 1 2 0 G P M ( 7 6 / 4 5 4 L P M )
____ 33/120 GPM (114/454 LPM)
____ 40/120 GPM (151/454 LPM)
____ 33/140 GPM (114/530 LPM)
A pressure relief valve is supplied with the heater.
Yes _____ No _____
If a heater’s temperature rise exceeds the maximum
temperature rise:
(select all that apply)
____ check for obstructions in the filter, skimmers,
and plumbing.
____ there i s not enough water flow to the heater.
____ r eplace the manual bypass valve.
____ a l a r ger pump may be required.
____ Thermal Regulator stuck.
2-21
Section Review
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