Wiring Diagrams

Figure 24 – Fan-Powered Units with ECM

Fan-powered Control Box w/ ECM with Electronic or DDC Controls

(Depending on the size of the unit, the ECM board may or may not be located

in the fan control box.)

LINE VOLTAGE

OR FROM HEATER TERMINAL

Fan-powered Control Box w/ ECM with Pneumatic Controls

Duct Pressure Switch Option

 

}

 

FAN

 

 

 

 

 

 

 

4.

 

MOTOR

 

 

 

 

 

 

 

L1

 

N

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BK

 

 

 

 

 

 

GR

 

 

 

 

 

 

 

 

 

 

 

 

GREEN

 

 

 

 

 

Y

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GROUND

W

BK

 

 

 

NEUT.

24V

 

 

BK

W

SCREW

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RED

RED

 

 

 

 

TERMINAL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLOCK

 

 

 

 

 

 

 

 

 

 

 

 

DISCONNECT

 

 

 

2

4

 

 

 

 

 

 

 

SWITCH

 

 

 

 

 

 

 

 

 

 

 

 

2.

 

 

 

 

 

 

 

W BK

G R

3.

 

 

W

 

 

 

 

 

ECM

 

 

 

 

 

 

 

 

 

FUSE

 

 

 

 

 

 

1

24V 3

BOARD

 

 

 

 

 

 

 

 

 

 

MOTOR

 

 

 

 

 

BK

 

3.

 

 

 

 

RELAY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Y

 

 

 

TO VAV

 

 

 

 

 

 

 

 

 

 

CONTROLLER

 

 

 

 

 

24V

BL

 

 

}

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TRANSFORMER

 

 

 

 

 

 

 

 

LINE VOLTAGE

 

 

OR FROM HEATER TERMINAL

 

4.

}

 

 

 

 

 

 

 

 

 

GR

 

BK

W

GREEN

 

 

GROUND

 

 

 

SCREW

 

 

 

2.

 

 

3.

DISCONNECT

 

SWITCH

W

 

FUSE

 

 

 

 

 

 

 

 

 

BK

 

 

5.

 

 

 

 

NO BL

 

 

POWER

 

BL

 

 

FACTOR

 

 

CORRECTION

 

 

C

 

 

CHOKE

 

 

 

 

 

NC

 

 

 

 

DUCT

 

 

 

 

PRESSURE

 

 

 

Y

SWITCH

 

 

24V

BL

 

 

BK

FAN

MOTOR

BK

TERMINAL

BLOCK

BL

Y

NEUT.24V

RED RED

ECM

W BK

G R

 

 

BOARD

 

 

POWER FACTOR

CORRECTION CHOKE

FAN CONTROL BOX

TRANSFORMER

FAN CONTROL BOX

WARNING

HAZARDOUS VOLTAGE!

DISCONNECT, LOCK OUT AND TAG ALL ELECTRIC POWER INCLUDING REMOTE DISCONNECTS BEFORE SERVICING.

DISCHARGE MOTOR START/RUN CAPACITORS BEFORE SERVICING.

FAILURE TO DISCONNECT POWER BEFORE SERVICING CAN CAUSE SEVERE PERSONAL INJURY OR DEATH.

CAUTION

Fan-powered Control Box with Pneumatic Controls

4.

LINE VOLTAGE

FAN

OR FROM HEATER TERMINAL

MOTOR

 

}

 

 

 

 

USE COPPER CONDUCTORS ONLY!

UNIT TERMINALS ARE NOT DESIGNED

TO ACCEPT OTHER TYPES OF

CONDUCTORS.

FAILURE TO DO SO MAY CAUSE

DAMAGE TO THE EQUIPMENT.

DUCT PRESSURE MAIN CONTROL

5.

BK NO

 

NO

C

BK

C

 

 

NC

 

NC

P.E. SWITCH-1

P.E. SWITCH-2

 

BK

 

NOTES:

1.

FACTORY INSTALLED

 

BY OTHERS

 

OPTIONAL OR ALTERNATE CIRCUITRY

 

 

GR

 

 

BK

W

GREEN

 

BK

GROUND

 

 

 

SCREW

 

 

 

 

TERMINAL

 

 

 

DISCONNECT

BLOCK

 

 

 

 

 

 

 

SWITCH

 

 

 

 

2.

 

 

3.

 

W

BK

 

FUSE

 

 

 

 

 

 

POWER FACTOR

 

 

CORRECTION CHOKE

 

 

 

 

Y

 

 

BK

24V

BL

 

 

TRANSFORMER

 

 

NO

 

 

 

 

C

 

 

 

 

NC

 

 

BL

Y

NEUT.24V

RED RED

ECM

W BK

G R

 

 

BOARD

 

 

2.

DISCONNECT SWITCH, FUSE, & SCR ARE LOCATED

 

EXTERNAL TO CONTROL BOX.

3.

FUSE IS OPTIONAL.

4.

DETERMINED BY MOTOR VOLTAGE ON ORDER.

 

VOLTAGE FOUND ON UNIT NAMEPLATE.

P.E. SWITCH

FAN CONTROL BOX

5.FOR SERIES FAN POWERED TERMINAL UNITS ONLY.

52

VAV-SVN01E-EN

Page 52
Image 52
Trane VAV-SVN01E-EN, Trane manual Fan-Powered Units with ECM

VAV-SVN01E-EN, Trane specifications

The Trane VAV-SVN01E-EN is an advanced variable air volume (VAV) system designed to optimize indoor air quality and energy efficiency in commercial buildings. This system is part of Trane’s commitment to offering reliable, innovative HVAC solutions that meet the demands of modern architectural designs and energy standards.

One of the main features of the VAV-SVN01E-EN is its ability to control air flow based on occupancy and environmental conditions. This ensures that energy is used efficiently, as airflow can be adjusted to match real-time needs, rather than operating at a constant rate. The integration of intelligent sensors allows the system to adapt dynamically, leading to both reduced energy consumption and improved comfort for building occupants.

The technology behind the VAV-SVN01E-EN includes advanced digital controls and integration capabilities. These controls enable the system to communicate seamlessly with building management systems (BMS), allowing for centralized monitoring and management. This interconnected approach not only enhances operational efficiency but also enables predictive maintenance, helping facility managers identify and address potential issues before they become problematic.

Energy efficiency is further enhanced through the use of VAV technology, which reduces the amount of conditioned air delivered when spaces are unoccupied or when less cooling or heating is required. This tailored approach contributes to lower energy costs and supports sustainability initiatives by decreasing the overall carbon footprint of the building.

Key characteristics of the Trane VAV-SVN01E-EN include its compact design, which facilitates easy installation in existing spaces without significant modifications. The unit is also designed for low sound levels, ensuring that it operates quietly, contributing to a more pleasant indoor environment. Moreover, the VAV system is engineered to be reliable and durable, with rigorous testing and high-quality components ensuring long-term performance.

In summary, the Trane VAV-SVN01E-EN stands out in the field of HVAC solutions, bringing together advanced technology, energy efficiency, and user comfort. Its features are tailored for modern building requirements, making it a preferred choice for facility managers aiming to enhance indoor air quality while reducing operational costs.