Wiring

Diagrams

Figure 19 – Single-Duct Units (Electronic or DDC/UCM)

SINGLE DUCT UNITS - ELECTRONIC OR DDC/UCM -

HEATER TERMINALS - TYPICAL OF SINGLE PHASE VOLTAGES

Line Voltage

L1 L2 N - 480

(See Nameplate)

L1 L2 - 208, 240

 

L1 N - 277, 347

L1 N

SINGLE

 

PHASE

 

LINE

STAGES

VOLTAGES

1

208

2

2403

277

347

480

HEATER

CONTACTORS

Magnetic Contactors (MAGN)

Mercury Contactors (MERC)

 

 

 

 

 

 

 

 

TB4

G

 

 

 

 

 

 

 

 

L1

N

Contactor

Manual Reset

 

Optional

 

 

 

Cutout

 

 

 

 

 

 

 

 

Fuse

 

 

 

1st Stage

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Contactor

 

 

 

 

 

 

Optional

 

2nd Stage

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Fuse

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(208, 240, and 480)

 

 

 

 

 

 

 

Optional

 

Contactor

 

 

 

 

 

 

Transformer

 

 

 

 

 

 

 

 

 

 

3rd Stage

 

 

 

 

 

 

 

 

 

Air Flow

Auto Reset

 

 

 

 

 

 

 

Switch

Thermal Cutout

 

 

 

 

 

 

 

 

 

 

 

 

 

L1

N

 

 

 

 

 

 

 

 

 

 

G

 

 

 

 

 

 

 

Optional

 

 

RED

PUR

ORG

BRN

YEL

BLU

 

Door

 

 

Disconnect

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Switch

 

SINGLE DUCT UNITS - ELECTRONIC OR DDC/UCM -

HEATER TERMINALS - TYPICAL OF THREE PHASE VOLTAGES

 

 

 

Contactor

 

 

 

1st Stage

THREE

 

 

 

PHASE

 

STAGES

 

LINE

 

 

 

1

 

VOLTAGES

 

2

 

208

 

 

 

3

 

480

 

 

 

 

 

575

 

 

Contactor

 

 

HEATER

2nd Stage

 

 

 

 

CONTACTORS

 

Magnetic Contactors (MAGN)

 

Mercury Contactors (MERC)

 

Notes:

 

 

Contactor

 

 

3rd Stage

FACTORY INSTALLED

1.FIELD INSTALLED OPTIONAL

2.Actual heater wiring diagrams are supplied with each unit (3-stage shown).

3.Load carrying P.E. Switches or Contactors are supplied depending upon amp drawn.

4.Air Flow Switch, Auto Reset Thermal Cutout

and Manual Reset Cutout are provided as standard.

5.Heater Line Fuses, Transformers, and Door Interlocking Disconnect are optional.

6.If transformer is not ordered, a separate 24-volt

power supply is required for operation of unit controls.

24V Input from

24V Output to

Controller

Controller

 

Line Voltage

L1 L2 L3 - 208,480,600

(See Nameplate)

L1 L2 L3

 

 

 

 

 

 

G

 

 

TB4

 

 

 

 

 

 

 

L1

L2

L3

 

 

 

 

 

 

 

Manual Reset

CutoutOptional

Fuse

Optional

 

 

 

 

 

 

 

Transformer

 

Auto Reset

Air Flow

 

 

 

 

 

 

 

 

Thermal Cutout

Switch

 

 

 

 

L1

L2

L3

 

 

 

 

 

 

 

G

 

 

 

 

 

 

 

 

 

 

RED

PUR

BRN

ORG

YEL

BLU

Optional

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Door

 

 

 

 

 

 

 

Disconnect

 

 

 

 

 

 

 

 

Switch

 

 

24V Input from

 

24V Output to

 

 

 

 

Controller

 

 

 

Controller

 

 

 

VAV-SVN01E-EN

47

Page 47
Image 47
Trane Trane, VAV-SVN01E-EN manual Wiring Diagrams, Single-Duct Units Electronic or DDC/UCM

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.