WIRING DIAGRAMS

 

 

 

 

 

Diag. 1 – FACTORY WIRED 3 PHASE

 

 

Diag. 1a – FIELD CONVERSION TO 1 PHASE

 

 

 

Cord by others.

 

 

 

 

Cord by others.

 

 

 

 

 

Type "SO" or equal

 

 

 

 

 

 

 

 

 

sized to meet nameplate

 

 

 

Type "SO" or equal

 

 

 

 

 

requirements

6

 

 

 

sized to meet nameplate

6

 

 

 

 

 

 

 

 

requirements

 

 

 

 

 

 

 

 

5

 

 

 

 

 

5

 

 

 

 

 

 

 

 

 

 

 

 

 

2

 

 

 

 

 

3

2

6

 

 

2

 

6

L3

 

 

 

 

 

 

 

 

 

 

 

 

 

T3

1

 

5 Front of

 

 

1

 

5

Front of

L2

1

L2

 

 

T2

4

Heater

T2

 

 

Heater

L1

3

L1

4

3

 

T1

2

 

T1

 

 

 

 

 

 

 

 

 

 

 

 

 

4

 

 

 

1

 

4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

All control wiring

 

 

 

 

Thermostat

 

 

 

 

 

 

 

 

 

 

 

same as Diag. 1

3

 

 

 

 

1

3

 

 

 

 

 

 

 

 

 

 

 

 

 

Instructions:

 

 

 

 

 

4

6

Red

 

 

1. Loosen screws on load side of contactor. Remove all lead wire.

 

 

 

 

 

2. Insert lead wires numbers 1, 3, and 5 into box lug connector "T1". Tighten screws

 

 

 

Blk

 

 

 

 

Blu

 

 

on box lug connector.

 

 

 

 

 

 

Motor

 

 

 

 

 

 

 

Cutout

 

 

3. Insert lead wires numbers 2, 4, and 6 into box lug connector "T2". Tighten screws

 

 

 

 

on box lug connector.

 

 

 

 

 

 

Wht

 

 

 

4. Examine wiring to make certain it is per above diagram.

 

 

 

 

Diag. 2 – FACTORY WIRED 3 PHASE

 

 

 

Diag. 2a – FIELD CONVERSION TO 1 PHASE

 

Cord by others.

 

 

 

 

 

 

 

 

 

 

Type "SO" or equal

 

 

 

 

 

 

Cord by others.

 

 

 

sized to meet nameplate

 

 

 

 

 

 

 

 

 

requirements

5

 

 

To T2 5

 

 

 

Type "SO" or equal

 

 

 

 

3

 

 

 

 

 

 

sized to meet nameplate

6

 

 

 

1

 

To T3

4

 

 

 

requirements

 

 

 

Contactor

1

3

 

 

 

 

 

4

 

 

 

3

 

 

 

 

Contactor

 

 

L3

 

To T3

 

 

 

 

 

 

4

T3

 

 

 

Front of

 

2

 

L2

 

1

 

5

 

 

 

T2

 

 

Heater

 

 

All even numbered wires to T2

 

 

L1

T1

 

2

 

 

 

 

3

Front of

 

 

 

 

 

6

L2

 

 

 

 

 

2

4

 

6

T2

 

 

Heater

 

 

 

 

To T1

L1

All odd numbered wires to T1

 

 

2

 

To T1

To T2

 

T1

 

 

 

4

 

 

 

 

 

 

1

1

5

 

 

 

 

 

 

 

 

 

6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

 

 

Fan Relay

 

 

 

 

 

All control wiring

 

6

 

 

 

 

 

 

3

 

 

L1

T1

 

Black

 

Motor

 

same as Diag. 2

 

 

 

L2

T2

 

White

 

 

 

5

 

 

 

 

 

 

 

 

 

 

 

A1

A2

Blk/Red or Grey

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Blk

Instructions:

 

 

 

 

1.

Loosen screws on load side of contactor. Remove all lead wire.

Thermostat

 

 

2.

Insert lead wires numbers 1, 3, and 5 into box lug connector "T1".

1

3

 

 

 

Tighten screws on box lug connector.

 

 

 

 

 

4

6

Cutout

Wht XFMR

3.

Insert lead wires numbers 2, 4, and 6 into box lug connector "T2".

 

 

Tighten screws on box lug connector.

 

 

 

Blk

 

 

 

 

 

4.

Examine wiring to make certain it is per above diagram.

Diag. 3 – FACTORY WIRED 3 PHASE

L3

L2

L1

Cord by others.

12

11

Type "SO" or equal

9

sized to meet nameplate

requirements

8

 

7

Contactor

 

T3

 

T2

10

T1

 

Thermostat

1

3

 

To T3

To T2

 

 

 

 

3

4

 

 

 

 

 

4

 

12

Front of

 

3

 

8

11

Heater

 

 

7

 

 

 

 

5

 

 

1

 

 

9

 

 

2

 

6

10

 

1

2

5

6

 

 

To T2

To T1

 

 

To T3

To T1

 

 

 

 

4

6

Red

Black

 

 

 

Blue

Motor

Cutout

White

Diag. 4 – FACTORY WIRED 3 PHASE

Diag. 4a – FIELD CONVERSION TO 1 PHASE

L3

L2

L1

Cord by others.

 

 

12

 

 

11

Type "SO" or equal

 

 

 

 

9

sized to meet nameplate

 

 

requirements

 

 

8

 

 

 

7

Contactor

 

 

 

T3

 

 

 

T2

 

 

10

T1

 

 

 

 

 

Fan Relay

 

 

L1

T1

 

 

L2

T2

 

 

A1

A2

Thermostat

 

 

1

3

 

 

4

6

Cutout

 

To T3

To T2

 

 

 

 

3

4

 

 

 

 

 

4

 

12

Front of

 

3

 

8

11

Heater

 

 

7

 

 

 

 

5

 

 

1

 

 

9

 

 

2

 

6

10

 

1

2

5

6

 

 

To T2

To T1

 

 

To T3

To T1

 

 

 

 

Black

White Motor

Blk/Red or Grey

Blk

Wht XFMR

Blk

Cord by others.

 

Type "SO" or equal

12

sized to meet nameplate

 

requirements

10

 

 

 

8

 

 

 

 

 

 

 

6

 

 

 

 

 

 

 

4

 

 

 

 

 

 

Contactor

2

 

 

 

 

 

L2

 

All even numbered wires to T2

 

4

 

 

12

 

 

 

 

 

L1

T2

 

 

3

8

11

Front of

 

T1

 

 

Heater

 

All odd numbered wires to T1

 

 

7

 

 

 

 

 

 

 

 

All control wiring

1

1

5

 

9

 

 

 

 

 

 

same as Diag. 4

 

2

6

 

10

 

 

 

3

 

 

 

 

 

 

 

5

 

 

 

 

 

 

 

7

 

 

 

 

 

 

 

9

 

 

 

 

 

 

 

11

 

 

 

 

 

Instructions:

1.Loosen screws on load side of contactor. Remove all lead wire.

2.Insert lead wires numbers 1, 3, 5, 7, 9 and 11 into box lug connector "T1". Tighten screws on box lug connector.

3.Insert lead wires numbers 2, 4, 6, 8, 10 and 12 into box lug connector "T2". Tighten screws on box lug connector.

4.Examine wiring to make certain it is per above diagram.

5

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Chromalox PF497-1 specifications Wiring Diagrams, Diag Factory Wired 3 Phase
Page 4 Page 6

PF497-1 specifications

The Chromalox PF497-1 is a high-performance heating solution designed for various industrial applications. Known for its reliability and efficiency, this product combines advanced technology and robust engineering to meet precise heating demands across multiple sectors, including manufacturing, food processing, and HVAC systems.

One of the standout features of the PF497-1 is its innovative digital control system. This technology allows for accurate temperature settings and monitoring, ensuring that processes are maintained within specific thermal thresholds. The digital interface is user-friendly, allowing operators to easily adjust settings and view real-time performance data. This capability is particularly beneficial in environments where maintaining precise thermal conditions is critical.

Another notable characteristic of the PF497-1 is its robust construction. Built with high-quality materials, this unit is designed to withstand harsh operational environments, including moisture, dust, and varying temperatures. Its durable design ensures a long service life, reducing the need for frequent replacements and maintenance. This reliability translates to lower operational costs and enhanced productivity for businesses.

The PF497-1 employs state-of-the-art heating technologies, including advanced thermal insulation. This feature minimizes heat loss, maximizing energy efficiency. Businesses using the PF497-1 can expect a significant reduction in energy consumption, contributing to lower carbon footprints and enhanced sustainability. Additionally, the efficient heating process ensures that the targeted area reaches optimal temperatures quickly, which can improve workflow and overall efficiency.

Safety is also a priority with the Chromalox PF497-1. The unit is equipped with multiple safety features, including over-temperature protection and fault diagnostics. These features provide peace of mind to operators and help prevent costly downtimes caused by equipment failure or accidents.

In summary, the Chromalox PF497-1 is an advanced heating solution characterized by its digital control capabilities, robust construction, energy efficiency, and safety features. This combination of technologies makes it an ideal choice for businesses seeking reliable and efficient heating solutions for their industrial applications. With the PF497-1, companies can achieve optimal performance while minimizing operational costs and environmental impact.
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