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Classroom - ASHRAE 90.1 (2013) Compliant

On/Off Switching with Analog Product

Classroom Stand-Alone Solution Reflected Ceiling Diagram

Bill Of Materials

Quantity

Part Number

Description

4

BZ-250 Power Pack, Receptacle Rated

2

DT-305 Ceiling Mount Dual Tech Occupancy Sensor

2

LVSW-103 3-Button Wall Switch

Quantity

:

4

Part Number: BZ-250

Description

:
Power Pack, Receptacle Rated

Quantity

:

2

Part Number: DT-305

Description

:
Ceiling Mount Dual Tech Occupancy Sensor

Quantity

:

2

Part Number: LVSW-103

Description

:
3-Button Wall Switch

Code Requirements

Code

Description

9.4.1.1(a)

Local Control Device

9.4.1.1(b, c)

Manual On / Partial Auto On

9.4.1.1(d)

Bi-level Control

9.4.1.1(h)

Auto Full Off

9.4.1.3

Special Application Lighting

8.4.2

Auto Receptacle Control

Code

:

9.4.1.1(a)

Description

:
Local Control Device

Code

:

9.4.1.1(b, c)

Description

:
Manual On / Partial Auto On

Code

:

9.4.1.1(d)

Description

:
Bi-level Control

Code

:

9.4.1.1(h)

Description

:
Auto Full Off

Code

:

9.4.1.3

Description

:
Special Application Lighting

Code

:

8.4.2

Description

:
Auto Receptacle Control

Sequence of Operation

  1. Lighting (a) auto On for 50% illumination and controlled receptacles auto On when occupancy detected.
  2. Manual On/Off and bi-level 50% control of general lighting (a, b) with wall switches.
  3. Manual control On/Off white board lighting (c) with wall switches.
  4. Auto off all lighting and controlled receptacles within 20 minutes of occupants leaving.

Design Considerations

  1. When lighting power in the primary sidelight area is 150 W or greater, it must have automatic daylight responsive controls installed for all general lighting in that area.
  2. Receptacle control can be designed using either an RF transmitter with receptacle RF receivers, or can be hardwired to receptacles using a receptacle rated Power Pack.
  3. Time scheduling, demand response and remote programming/diagnostic functions are available using Wattstopper Digital Lighting Management networked products.
  4. To integrate occupancy detection control with the HVAC system, use a DT-300 occupancy sensor with isolated relay.