Electrical Connections - Pentair Mastertemp 175K BTU/HR Installation And User Manual

ELECTRICAL CONNECTIONS

This heater is designed to operate at 120 or 240 VAC. It is not recommended to be connected to OR operate on a 208 VAC.
• Before making any electrical connections to the power supply, remove the access door panel s , open the
control box and pl u g in the correct plug (120 volt or 240 volt).
The heater ships from the Factory with the 240V plug installed. Installing the 120V plug and then connecting the
heater to 240V line current will immediately destroy the transformer, control board and ignition control module, and
will void warranty. If you install the 240V plug and connect the heater to 120 volts line current, the heater will not
operate.
• If any of the original wiring supplied wi t h this heater must be replaced, installer must supply (No. 18 AWG, 600V, 105° C. U.L.
approved AWM l o w energy stranded) copper wire or it' s equivalent.
Rev. H 9-5-12
CAUTION
NOTE
CAUTION
Figure 20.
MASTERTEMP
AC Plug
120 Volt
or
240 Volt
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