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2. Installation
20
| Section
Corrosive Vapors and Possible Causes
Area
Chlorinated swimming
pools and spas
New construction and
remodeling areas
Beauty parlors
Refrigeration plants
or various industrial
finishing and processing
plants
Dry cleaning and laun-
dry areas
CONTROL PANEL INDEXING
On an outdoor shelter installation, the exhaust discharges into a vent pipe.
Orient the heater so that the vent pipe does not interfere with adjustment of the
operating controls. The control panel located on the top panel can be rotated to
any of the three sides of the heater for easy access, see Figure 25.
1. Remove the bolts from the door panels. Remove both door access panels.
2. Remove the four corner nuts that secure the top panel. Lift the top panel
upward to remove the top panel.
3. Rotate the top panel to the desired position located at 90° angles. Note that
the control panel must NOT be located on the side where the vent is located.
4. Replace the top panel down onto the side panels. Be sure that there are no
wires caught under the panel.
5. Secure the top panel using the four corner nuts.
6. Reattach the door access panels.
FINAL INSTALLATION CHECK
After installation, the installer MUST test and check that the heater is operating and
functioning properly.
Some building codes require that the heater be anchored to the equipment pad or platform to
withstand high wind pressures created during hurricanes. A Bolt Down Bracket Kit, P/N 460738,
is available with anchor clamps designed to hold the unit to the equipment pad in high wind
conditions, see Figure 26. Installation of the anchor clamps are recommended in all installations.
MasterTemp 125 Pool and Spa Heater Installation and User's Guide
Pool or spa cleaning chemicals. Acids, such as hydrochloric or muriatic acid.
Glues and cements, construction adhesives, paints, varnishes, and paint and
varnish strippers. Waxes and cleaners containing calcium or sodium chloride.
Permanent wave solutions, bleaches, aerosol cans containing chlorocarbons
or fluorocarbons.
Refrigerants, acids, glues and cements, construction adhesives.
Bleaches, detergents, or laundry soaps containing chlorine. Waxes and clean-
ers containing chlorine, calcium or sodium chloride.
Likely Contaminants
Door Acess Panel
Top Panel
Door Acess Panel
Figure 25.
For Heater mounting
bolts and clamps,
purchase separately
Bolt Down Bracket Kit,
Part No. 460738.
Lead
Anchor
Figure 26.
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Troubleshooting
