Reference

Control Center Layout

13

22

24

25

10

6

 

11 12

27

14

18

17

26

19 20

15

21

28

 

3

 

 

4

1

7

8

 

 

2

 

9

 

23 16 5

 

 

1.Supply Motor Starter — 24 volt magnetic contacts for starting supply motor.

2.Supply Overload — provides electronic overload protection to supply motor.

3.Low Voltage Transformer — provides low voltage to fan/heat/cooling enable controls.

4.Control Terminal Block — provides wiring access to controls.

5.Fan Relay — allows power to pass to energize motor starter.

6.High Voltage Enclosure — provides protection from high voltage circuits.

7.Auxiliary Contact (optional) — provides one normally closed and one normally open contact for other equipment.

8.Exhaust Motor Starter (optional) — 24 volt magnetic contacts for starting exhaust motor.

9.Exhaust Overload (optional) — provides electronic overload protection to exhaust motor.

10.Transformer Fuse (optional) — provides proper fusing for cooling transformer.

11.Terminal Block — provides wiring access to high voltage circuits.

12.Exhaust Fuses (optional) — provides proper fusing for exhaust fan motor(s).

13.Dirty Filter Switch (optional) — monitors filter pressure drop, turns on indicating light when pressure drop is above field adjustable set point.

14.Inlet Air Sensor (optional) — outdoor air stat that automatically controls the heating and/or cooling based on outdoor air temperature.

15.Remote Temperature Selector (optional) — allows for remote temperature set point.

16.Heat Relay — allows power to pass to heating controls.

17.Heating Terminal Block — provides wiring access to heating controls.

18.Flame Safeguard/Spark Generator (Direct Spark) — monitors flame, shuts down unit when unsafe conditions are detected.

19.High Limit — prevents unit from discharging air above a set point.

20.Low Voltage Transformer — reduces voltage to Maxitrol system.

21.Amplifier — controls modulating valve, assures the desired temperature is delivered.

22.Transformer (optional) — provides voltage to optional evaporative cooling pump.

23.Cooling Relay (optional) — allows power to pass to cooling controls.

24.Cooling Terminal Block (optional) — provides wiring access to cooling controls.

25.Low Voltage Transformer (optional) — reduces voltage to cooling controls.

26.Reset Timer (optional) — resets cooling system to run a time interval.

27.Auto Drain Relay (optional) — assures supply pump does not operate during drain interval. Allows pump to operate in cooling mode.

28.Cooling Timer (optional) — allows for automatic draining of the evaporative cooling system based on time schedule.

Dirty Filter Switch

Common

Normally Open

Normally Closed

CCW to Decrease Trip Point

CW to Increase Trip Point

Negative Pressure

after the filters

Positive Pressure before the filters

Model VSU Make-Up Air 35

®

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Greenheck Fan 470654 Control Center Layout, Dirty Filter Switch, Fan Relay allows power to pass to energize motor starter
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470654 specifications

Greenheck Fan 470654 is a cutting-edge ventilation solution designed to meet the demanding requirements of commercial and industrial applications. Renowned for its reliability and efficiency, this fan model integrates advanced technologies and engineering to provide optimal air movement and control.

One of the standout features of the Greenheck Fan 470654 is its robust construction. Designed with high-quality materials, the fan promotes longevity and durability, making it suitable for use in tough environments. This fan features a heavy-gauge steel housing that minimizes vibration and enhances noise reduction, contributing to a quieter operation, a critical factor in maintaining a serene working environment.

The fan is equipped with a powerful motor that ensures efficient airflow, achieving high performance while consuming minimal energy. This energy efficiency is emphasized through the use of advanced motor technology, including variable frequency drive (VFD) compatibility. VFDs allow for precise control of the fan speed, enabling adjustments based on system demand, thus significantly reducing energy consumption and operating costs.

In terms of airflow performance, the Greenheck Fan 470654 is engineered to provide a high volume of air movement while maintaining static pressure. Its aerodynamic design minimizes resistance, enhancing overall efficiency. The fan is designed to operate across a range of static pressures, making it versatile for different applications, from commercial kitchens to large manufacturing facilities.

Additionally, the fan's installation is straightforward, thanks to its user-centric design. The model incorporates mounting brackets and options for various duct configurations, ensuring seamless integration into existing systems. Maintenance is also made easier with accessible components, allowing technicians to perform regular checks and upkeep without extensive downtime.

Safety features are a priority in the design of the Greenheck Fan 470654. It includes protective features such as thermal overload protection to prevent motor damage and extend operational life. The fan's design also adheres to industry standards and regulations, providing peace of mind for users.

In summary, the Greenheck Fan 470654 is a well-engineered solution that combines durability, efficiency, and advanced technology to deliver superior performance in ventilation applications. With its powerful motor, energy-saving capabilities, and ease of installation and maintenance, it stands out as a reliable choice for professionals seeking optimal airflow management.
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