Catalog Number Designation System

O O O O - O O O - 0 0 H X 0 0 0 W - X 0 0 . 0 0 D - 0 0 0 V 0 0 P - 0 0 0 . 0 kW

000.0kW, (16kW/Ft.2 MAX.)

Phase: 1P = Single Phase’ 3P = Three Phase

0 = Number of circuits

000V = Heater voltage (up thru 600V)

00.00= Depth of heater frame in inches (06.50 min. – 36.00 max.)

000W = Width of duct in inches (08 thru 120)

00H = Height of duct in inches (06 thru 40)

Terminal box construction and terminal box and frame material:

GPA = General purpose terminal box and all aluminized steel construction

GPP = General purpose terminal box and all painted steel construction

GPZ = General purpose terminal box and all plated steel construction

GPS = General purpose terminal box and all stainless steel construction

DPA = Drip proof terminal box and aluminized steel construction

DPP = Drip proof terminal box and painted steel construction

DPZ = Drip proof terminal box and plated steel construction

DPS = Drip proof terminal box and stainless steel construction

General style:
DHRI	= Duct heater, remote controls, insert type
DHRF = Duct heater, remote controls, flanged type
DHII	= Duct heater, integral controls, insert type
DHIF	= Duct heater, integral controls, flanged type

0 M P -

O O O O O -

O O O 0 0 0 O O

Disconnecting Means:

ND = Nonfused disconnect switch (200A max.)

FD = Fused disconnect switch (48A max.)

TB = Terminal block (200A max.), disconnect switch by others

Control circuit voltage: 000 = 120, 208, 240, or 277V

Control circuit power supply:

T = Control circuit by integral transformer (120V Sec. Only)

R = Remote control circuit by customer (120, 208, 240, or 277V)

Fan interlock method:

AS = Air flow switch

FI = Fan interlock relay

FD = Fan interlock relay with fan delay

Heating element termination:

M = Threaded terminals with mica insulation

R = Threaded terminals with ceramic insulation (480V max.)

H = Hermetic seals (480V max.)

Method of attaching heating element to heater frame:

WA = Painted steel fin and sheath

GW = Mounting washer staked to element sheath with gasket

BF = Brass fitting with gasket

SS = Stainless steel fin and sheath

Sheath, fin, and finish of heating element:

PS = Painted steel fin and sheath

MO = Monel fin and sheath

SS = Stainless steel fin and sheath

Mounting position of heater:

1MP = See Figure 16 on page 4, mounting position 1 2MP = See Figure 16 on page 4, mounting position 2 3MP = See Figure 16 on page 4, mounting position 3 4MP = See Figure 16 on page 4, mounting position 4 5MP = See Figure 16 on page 4, mounting position 5 6MP = See Figure 16 on page 4, mounting position 6

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PF455-3 specifications

The Chromalox PF455-3 is a cutting-edge process feedback controller designed to optimize industrial heating applications. As part of Chromalox’s commitment to providing advanced heating solutions, the PF455-3 model stands out due to its robust features, precision control, and user-friendly design.

One of the main features of the PF455-3 is its versatile temperature control capabilities. It operates through a wide temperature range, accommodating various industrial processes that require precise thermal management. The controller employs advanced PID (Proportional, Integral, Derivative) control technology, allowing users to achieve optimal temperature settings with minimal fluctuations. This results in enhanced efficiency and productivity across heating applications.

The PF455-3 is equipped with a large, easy-to-read digital display that allows operators to monitor and adjust temperature settings effortlessly. The intuitive user interface simplifies navigation through various settings and configurations, ensuring that even less experienced personnel can operate the system with confidence. This feature significantly reduces the learning curve associated with similar devices, making it an ideal choice for diverse industries.

Additionally, the PF455-3 places a strong emphasis on safety and reliability. The device includes built-in alarm systems that notify users of any deviations from preset parameters, ensuring immediate action can be taken to prevent potential issues. The unit also features robust construction designed to withstand harsh industrial environments, providing longevity and minimizing downtime.

Moreover, the PF455-3 supports advanced communication technologies. It can be easily integrated into existing control systems via various communication protocols, including Modbus, which facilitates real-time data exchange and remote monitoring capabilities. This connectivity not only enhances operational oversight but also allows for proactive maintenance interventions.

In terms of energy efficiency, the PF455-3 excels by utilizing a unique energy-saving mode. This mode intelligently adjusts heating output based on process requirements, resulting in reduced energy consumption and lower operational costs. Users can expect significant savings on energy bills while maintaining process quality.

In summary, the Chromalox PF455-3 controller represents the forefront of industrial heating technology. With its advanced PID control, user-friendly interface, extensive safety features, and energy efficiency capabilities, it is a reliable choice for businesses looking to enhance their thermal processes. Whether in food processing, oil and gas, or chemical manufacturing, the PF455-3 stands out as a vital tool for achieving precise and efficient temperature control.