Installation (Electrical)

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ELECTRICAL, for MiniMax NT Standard Heaters

Electrical Rating 50/60 Hz 120 / 240 Volts AC, single phase

NOTE

The MiniMax NT Standard heater is prewired for 240 volt AC connection using the “BROWN” female connector and the “WHITE” common male connector; see below, Figure 4. If you require the heater to be connected to 120 volts AC, remove the “BROWN” female connector from the “WHITE” common connector; now locate the “BLUE” female connector and plug it into the “WHITE” common connector.

When connecting the home wiring to the “Line Terminal Block” inside the junction box, follow the polarity as shown below. Connecting to 120 VAC, make sure that you connect the positive wire to the positive terminal (L), the neutral wire is connected to the neutral terminal (N) and the ground is connected to the ground terminal (GND); see below, Figure 5.

NOTE

If any of the original wiring supplied with this heater must be replaced, installer must supply (No. 18 AWG 105° C. U.L. approved AWM low energy stranded) copper wire or it’s equivalent.

In Canada: wires must be CSA approved.

WARNING

The heater must be electrically grounded and bonded in accordance with local codes or in the absence of local codes, with the latest national electrical codes ANSI/NFPA No. 70.

In Canada: CSA standard C22.1 Canada Electrical Code Part 1 and/or local codes.

Always use crimp type connectors when connecting two wires.

WHITE

COMMON MALE

CONNECTOR

TERMINAL BLOCK

FOR AC INPUT

120 / 240 VOLT SINGLE

PHASE "See Below"

BROWN

FM CONNECTOR

FOR USE WITH

240 VOLT AC

BLUE

FM CONNECTOR

FOR USE WITH

120 VOLT AC

Figure 4.

LINE TERMINAL BLOCK

GROUND

CONNECTION

NEUTRAL / WHITE 120 VAC LINE #1 FOR 240 VOLT AC

POSITIVE LINE FOR 120 VOLTS AC LINE #2 FOR 240 VOLT AC

N L

GREEN WIRE

WHITE WIRE

BLACK WIRE

INTERNAL FACTORY WIRES

Figure 5.

Rev. A 1-2-02

P/N 472032

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Pentair NT Standard Series installation manual ELECTRICAL, for MiniMax NT Standard Heaters, Installation Electrical