Douglas Lighting Controls - Specifications
LitePak Panels
1. PART 1 - General
1.1 Overview
1.1.1 Provide a complete low voltage lighting control system for the building as shown on the plans and specified herein.
1.1.2 All relay panels shall be pre-assembled complete with the necessary relays, transformers and interfaces.. Relay panel interiors are to contain separate line voltage section and low voltage section to facilitate easy mounting, and conduit installation
1.2 Manufacturers
1.2.1 All components are to be supplied by same manufacturer. Manufacturer to be a supplier of this type of equipment for over 10 years.
1.2.2 Low voltage control system shall be manufactured by Douglas Lighting Controls.
1.3 Prior Approval Submissions
1.3.1 Manufacturers wishing to submit quotations on the lighting control system must pre-qualify. Pre-qualification information must be submitted to the electrical consulting engineer not later than ten (10) working days prior to the final closing of tenders for this project.
1.3.2 The manufacturer must be prepared to demonstrate the equipment being proposed before the closing of tender.
1.4 Instruction Manuals
1.4.1 Supply manuals on system components to permit ease of installation, system operation and maintenance including, but not limited to the following:
· Lighting control system step-by-step operating instructions.
· Relay panel schedules.
2. PART 2 - Materials
2.1.1 Relays Lighting control relays shall be mechanically latching and shall come complete with a manual ON/OFF switch. The mechanical switch shall continuously display the true state of the relay’s internal contacts.
· Single pole relays shall be rated and UL/CSA listed for 120, 277and 347 VAC lighting loads at 20 amps. Use Douglas WR-6161.
· Double pole relays shall be rated and UL listed for 208, 240 or 480 VAC and CSA for up to 347 VAC lighting loads at 20 amps. Use Douglas WR-6172.
2.1.2 The relays shall have a label indicating the short circuit fault current rating as per the NEC 2005. The single pole relays shall have passed U/L 508 short circuit tests at 14,000 amperes, the 2-pole relays shall be rated at 5000 amperes.
2.1.3 Each lighting control relay shall be capable of controlling incandescent, fluorescent, electronic ballast and H.I.D. lighting loads and have an inrush capability of 3000 amperes. Relays shall be complete with a 5 year Manufacturer’s Limited Warranty.
2.1.4 Lighting control relays shall include captive screw terminals for both the line voltage and the low voltage connections. Switching the relay shall be accomplished with ONE signal wire and a common return. The signal wire shall be able to signal ON and OFF and shall carry status current that indicates if the relay is ON or OFF.
2.2 Pre-assembled Relay Panels: LitePak Series
2.2.1 Where indicated on the drawings, provide a factory pre-assembled relay panel. The panel shall be for surface or flush installation, with a hinged door assembly as required.
2.2.2 The panel shall be factory pre-assembled; ETL certified to UL/CSA standards, with capacities for 1 pole or 2 pole relays as required.
2.2.3 Panel shall include the following pre-assembled and pre-wired:
· Suitable divider separating class 1 and class 2 compartments
· Control transformer, UL/CSA approved for class 2 circuits, Douglas Cat. No. WR-4075-120/277 or WR-4075-120/347.
· 8 or 16 single pole relays, or 4 or 8 2-pole relays as required to switch circuits shown on plans or schedules.
· External control devices as required.
2.3 Control Electronics
WTP-4418 Time / Photo Controller
2.3.1 The central controller shall be field adjustable and shall have the following features:
· 8 outputs; each individually programmable
· 7 assignable programs, 64 events per program
· 32 annual holiday schedules
· Power loss protection: 7 days for time & indefinite for program memory
· Astronomic programming
· Automatic daylight savings and leap year adjustment (selectable)
· Time-out function. Controller shall be capable of monitoring connected relays. Should a relay be switched ON the output shall switch OFF after a preset time
· Group override switch is supplied that can be set to switch all or some of the outputs ON or OFF.
· If required, WPS-5527K photometric sensor shall be connected to the WTP-4418 to provide up to 8 independent channels of light level control. Sensor range is 1 to 6000 footcandles.
2.4 Wall Switches (if required)
2-Wire Switches: WR-8600 series
2.4.1 Occupancy Detection Remote control switches and switch hardware shall mount to standard wall boxes.
2.4.2 Switch modules shall be available with 1, 2, 3 or 4 switches per gang and shall fit into standard ‘Decora’ style switch plates.
2.4.3 Individual switches shall include an integral LED to indicate both ON and OFF states (red=ON, green=OFF).Switches can be connected directly to relays or to system switch inputs.
2.4.4 Each switch shall be clearly identified with a paper switch label. The label shall be held in place with a clear plastic cap and shall be field replaceable should the operation of the switch change. Permanently etched switches are not acceptable.
2.4.5 Switches shall have color coded captive screw terminals. Use #18 AWG solid conductors.
Optional Keyed Switches: WRK-8xxx series
2.4.6 Keyed switches connected directly to relays or system switch inputs shall be WRK-8611. Switches shall include an integral LED to indicate both ON and OFF states (red=ON, green=OFF).
2.4.7 Keyed switches used to enable or disable switch stations shall be WRK-8192. Key shall be removable in either the ‘enabled’ or ‘disabled’ state.
Optional 0-10V Dimming Ballast Control Switches: WPN-58xx series
2.4.8 Dimming control switches shall be compatible with dimming ballasts using the 0-10V control protocol.
2.4.9 An LED indicator bar shall display the proportional level of the connected ballasts.
2.4.10 UP & DOWN buttons shall permit the operator to raise and lower the light level as required.
2.4.11 Where indicated on the lighting plans, the dimming switches shall be combined with daylight sensors (WPS-5700) to limit the maximum electric light level. Manual dimmers cannot exceed the light level determined by the daylight sensor.
2.4.12 Each switch shall be capable of controlling up to 50 dimming ballasts.
Switch plates
2.4.13 Select switch plates to suit number of switches as shown on plans. Up to 4 switches can be installed per gang box.
2.4.14 Stainless steel switch plates shall be WN-974xx series.
2.4.15 Plastic switch plates shall screw-less and shall be white in color. Use WN-803xx series.
2.5 Occupancy Sensors (if required)
Optional Indoor, ceiling mount occupancy detector: WRM-5104
2.5.1 Where required, provide a PIR occupancy sensor Model WRM-5104. The occupancy sensor shall control up to 4 Douglas relays directly. It shall also be possible to connect Douglas wall switches in parallel to each relay for occupant override if required.
2.5.2 Occupancy sensor to include the following features:
· Adjustable time out (30 sec to 30 min) and sensitivity
· Tilt & swivel lens direction adjustment
· Coverage of 1600 sq. ft., Indoor ceiling mount, ceiling heights 8’ to 16’max
· Function select - on/off switching or off-only switching.
Indoor, ceiling mount Dual Technology Occupancy Sensor: CM-PDT-DL
2.5.3 Where required, provide a dual technology occupancy sensor Model CM-PDT-DL series. The sensor shall utilize Passive Infra Red technology to sense initial occupancy in a space and Microphonics technology to sense continued occupancy together with the PIR detection. Provide the appropriate sensor model to comply with the requirements of the space where installed.
2.5.4 Occupancy sensor to also include the following features:
· Adjustable time out (30 sec to 20 min)
· Operates directly off the relay coil requiring only 2 wires to connect to relays in panel
· Coverage of up to 1600 sq. ft., ceiling heights 8’ to 10’max
· Function select - on/off switching or off-only switching.
· Multiple sensors may work together using the orange trigger wire so all will act in unison.
· Available options include dual outputs and an auxiliary status SPDT relay for signaling other systems.
Indoor, wall mount Dual Technology Occupancy Sensor: WSD-PDT-DL
2.5.5 Where required, provide a dual technology occupancy sensor Model CM-PDT-DL series. The sensor shall utilize Passive Infra Red technology to sense initial occupancy in a space and Microphonics technology to sense continued occupancy together with the PIR detection.
2.5.6 Occupancy sensor to also include the following features:
· Adjustable time out (30 sec to 20 min)
· Operates directly off the relay coil requiring only 2 wires to connect to relays in panel
· PIR coverage for hand wave detection to 10’, walking detection to 20’
· Microphonics coverage to 20’
· Function select - on/off switching or off-only switching.
· Available options include dual outputs and an auxiliary status SPDT relay for signaling other systems.
Indoor, corner mount Dual Technology Occupancy Sensor: WV-PDT-DL
2.5.7 Where required, provide a dual technology occupancy sensor Model CM-PDT-DL series. The sensor shall utilize Passive Infra Red technology to sense initial occupancy in a space and Microphonics technology to sense continued occupancy together with the PIR detection.
2.5.8 Occupancy sensor to also include the following features:
· Adjustable time out (30 sec to 20 min)
· Operates directly off the relay coil requiring only 2 wires to connect to relays in panel
· Coverage of up to 40 ft., mounting height 8’ to 10’max
· Function select - on/off switching or off-only switching.
· Multiple sensors may work together using the orange trigger wire so all will act in unison.
· Available options include dual outputs and an auxiliary status SPDT relay for signaling other systems.
2.6 Daylight Sensors (if required)
Outdoor and Skylight Photo Sensor: WPS-5527K Remote Sensor
2.6.1 Provide where required an exterior photometric sensor capable of sensing from 1-60,000 lux. The sensor shall connect to the panel-mounted WTP-4408 control unit using two #18 AWG wires.
2.6.2 The ambient light level shall be continuously displayed in either foot candles or lux on the controller’s LCD. Set point adjustments shall be easy to set using the base controller’s integral keypad
2.6.3 One exterior sensor shall permit different relays to switch at different light levels. Lights shall be controlled by ‘sensor only’ or by a combination of time & light level.
2.6.4 For indoor applications, use WPS-5533K ceiling mounted unit.
Indoor Task Area Daylight Sensor: WPC-5621K
2.6.5 Provide where required an indoor daylight sensor WPC-5621K for applications that harvest daylight by ON/OFF control of lighting circuits. The sensor shall switch relays ON when natural light is insufficient and OFF when it is sufficient. The sensor shall be ceiling mounted and shall measure light reflected upward from the surface below. The sensor shall be easy to adjust with a range setting and a set-point slider located under the front faceplate.
2.6.6 The daylight sensor shall have an adjustable dead-band setting so that cycling effects can be eliminated.
2.6.7 The daylight sensor shall also include an enable/disable feature so that the sensor will only operate when desired and will be disabled during off hours.
Indoor Task Area Daylight Sensor for Dimmable Ballasts: WPC-5700
2.6.8 Provide where required an indoor daylight sensor WPC-5700 for applications that harvest daylight by regulating the electronic dimmable fluorescent ballasts. The sensor shall regulate the ballast so that when natural light is bright the lamp is dim and when natural light is dim the lamp is bright. The sensor shall be ceiling mounted and measures light reflected upward from the surface below. The sensor shall have a range setting and a set-point slider located under the front faceplate.
2.6.9 The sensor shall be compatible with the industry standard 0-10V dimming control method. The sensor shall connect with 2 wires connected in parallel to a maximum of 50 ballasts. No other connections to the sensor are required for the dimming function.
3. PART 3 - Installation
3.1 Relay panels and conduit.
3.1.1 Ensure that conduit for line voltage wires enters panel in line voltage areas and conduit for low voltage control wires enters panel on low voltage areas. Check manufacturer’s drawings for location of line and low voltage areas.
3.2 Low Voltage Wiring
3.2.1 For low voltage wiring, provide wire type as recommended by the manufacturer. Adhere to recommendations as to maximum wire length and quantity of relays per switch.
3.3 Line Voltage Wiring
3.3.1 Use wire gauges #12AWG or #14AWG as appropriately sized for the branch circuit.
End of Section
Douglas Lighting Controls
2
Sample Specifications
DLC-2010-6_LitePak_Spec.doc (08/10)