7
GAS
H
EATER
AIR
FLOW
IN
AIR
FLOW
IN
AIR FLOW OUT
3 FT
MIN
12”
MIN
60”
MIN
Fig. 1: Installation Clearances
• When installed in areas where freezing tempera-
tures can be encountered, drain the water circuit
to prevent possible freeze-up damage. See the
Freeze Protection Section.
• For high wind installation requirements, refer to
the diagram on page 8.
Electrical Connections
Refer to the unit rating plate below the control panel for
precise power requirements for your unit, and for
ampacity and over-current protection requirements.
All wiring must be in accordance with the National
Electrical Code, NFPA No. 70, latest edition, and all
applicable state and local codes. Wiring diagrams are
located on pages 21 through 25.
• Locate the equipment disconnect means within 3
feet of the heater’s electrical enclosure, or as
close to the heater as possible. Always satisfy
applicable codes and standards.
• In sizing power wiring, be especially aware of up-
sizing requirements necessary due to wiring
distances. Always satisfy applicable codes and
standards.
• Electrical installation should be done by a licensed
electrician only.
NOTE: Refer to the National Electrical Code, Article
680, for general requirements for swimming pools
and equipment, and to Article 440 for special consid-
erations necessary for circuits supplying hermetic
refrigeration motor/compressors.
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