Installation Instructions

Electrical Requirements

Requirements

Heat Source

Electrical

 

 

 

Wires Required and

Specs

 

 

 

Terminal Block Connection

 

 

 

 

 

 

 

 

 

 

Gas

120/50 or 60/1

L1

N

 

Ground to Green Ground Screw

 

 

 

 

 

 

Gas

208/240/60/1

L1

N

L2

Ground to Green Ground Screw

 

 

 

 

 

 

Gas

220/60/1

L1

N

 

Ground to Green Ground Screw

 

 

 

 

 

 

Gas

240/50/1

L1

N

L2

Ground to Green Ground Screw

 

 

 

 

 

 

Provide adequate wiring and a 20 amp circuit breaker for each stacked tumbler. The unit is designed to accept ONE electrical hook-up through the top pocket only. The tumbler is prewired to electrically operate both the upper and lower units.

Refer to the chart below for requirements for specific voltages.

Gas Drying Tumblers

 

120 Volt

208/240 Volt

240 Volt

220 Volt

 

50/60 Hertz

60 Hertz

50 Hertz

60 Hertz

 

1 Phase*

1 Phase**

1 Phase

1 Phase

 

 

 

 

 

Wire Size

 

As Required by Local Codes

 

 

 

 

 

 

Disconnect Switch

20 Amp

Use Circuit

Use Circuit

Use Circuit

 

 

Breaker Only

Breaker Only

Breaker Only

Fusetron

20 Amp

15 Amp

15 Amp

15 Amp

 

 

Circuit Breaker

20 Amp

2 Pole

2 Pole

2 Pole

 

 

 

 

 

Number of Poles

1

2

2

2

 

 

 

 

 

*120 Volt, 60 Hertz, 1 Phase gas tumblers require a 120 Volt, 2-wire grounded system (Line 1, Neutral and Ground).

**208/240 Volt, 60 Hertz, 1 Phase gas tumblers require 3-wire grounded system (Line 1, Line 2, Neutral and separate ground).

IMPORTANT: If electrical supply is coming from a three phase service, DO NOT connect a “Stinger Leg” to a single phase machine.

WARNING

All electrical connections should be made by a qualified electrician.

To reduce the risk of electrical shock, serious injury or death, before making any electrical connections, de-energize the electrical circuit being connected to the tumbler. Never attempt to connect a live circuit.

W650

NOTE: The electrical service to a gas tumbler must be electrically grounded in accordance with local codes or, in the absence of local codes, with the National Electric Code, ANSI/NFPA No. 70. The gas service to a gas tumbler must conform with the local codes and ordinances, or in the absence of local codes and ordinances, with the latest edition of the National Fuel Gas Code ANSI Z223.1.

The following steps outline the procedure for connecting the electrical service to the tumbler. The wiring diagram is attached to the rear of the tumbler. Refer to Figure 10.

IMPORTANT: Do not connect the tumbler to any voltage or current other than that specified on the tumbler serial plate.

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