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Large Private Office - ASHRAE 90.1 (2013) Compliant

On/Off Switching with Analog Product

Large Office Stand-Alone Solution Reflected Ceiling Diagram

Bill Of Materials

Quantity

Part Number

Description

2

BZ-150 Power Pack

1

DT-305 Ceiling Mount Dual Tech Occupancy Sensor

1

LVSW-102 2-Button Wall Switch

1

WRC-TX Plug Load RF Transmitter

4

WRC-20-1 Plug Load Half Controlled Receptacle

Quantity

:

2

Part Number: BZ-150

Description

:
Power Pack

Quantity

:

1

Part Number: DT-305

Description

:
Ceiling Mount Dual Tech Occupancy Sensor

Quantity

:

1

Part Number: LVSW-102

Description

:
2-Button Wall Switch

Quantity

:

1

Part Number: WRC-TX

Description

:
Plug Load RF Transmitter

Quantity

:

4

Part Number: WRC-20-1

Description

:
Plug Load Half Controlled Receptacle

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

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

:

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 lighting (a, b) with wall switch.
  3. 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 over 150 W, it must have automatic daylight responsive controls installed for all general lighting in that area.
  2. If detection coverage is sufficient, a wall box occupancy sensor, such as a DW-311 or PW-311 can be used and also provide dimming control.
  3. 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.
  4. Time scheduling, demand response and remote programming/diagnostic functions are available using Wattstopper Digital Lighting Management networked products.
  5. To integrate occupancy detection control with the HVAC system, use a DT-300 occupancy sensor with isolated relay.