General Information Indoor Contact Input Photosensor INSTALLATION SHEET Model# PPS-4 The Indoor Contact Input Photosensor (PPS-4) can be used with any Greengate lighting controller and may also be used in conjunction with Greengate Switchpacks and BAS version motion sensors for daylight harvesting. The operating range of the photosensor is 1 to 1400 footcandles. It should be placed indoors only and works optimally within the temperature range of 50º to 104º F. The photosensor is powered directly from the Greengate Lighting Controller 24VDC peripheral power terminal or from a Greengate Switchpack. The photosensor has an automatic deadband feature. From the user selected ON threshold which can be set at points between 1-850FC, the photosensor allows a 25%, 50%, 75% or 100% deadband. In addition to the deadband, the photosensor allows an OFF time delay to prevent nuisance cycling. The photosensor has been provided with a threaded mounting post and washer and lock nut to allow connection through a ceiling tile. The mounting post may be removed by squeezing it near the base of the PPS-4. This allows it to be mounted using the two screw holes under the cover. Use two #6 pan head screws that are appropriately length for the mounting location. This type of mounting may be used for sheetrock locations. Window Application When used in a window application, the PPS-4 should be located within 12 feet of the window and away from any direct light from controlled fixtures. Ideally, locating the photosensor between the window and first row of fixtures is recommended. Rotate the PPS-4 so that the light sensor is nearest the window. Getting Started 1. Do not discard these installation instructions. Please keep for future reference and operation information. 2. It is recommended that all low-voltage wiring be done with power removed to the logic board to protect components from potential shorts during the wiring process. 3. Use only as intended and at the listed voltage. 4. All installation and service must be performed by qualified personnel or service technicians. 5. Install in accordance with the National Electrical Code and any other codes which may apply. 6. Installation and wiring information contained in this document is based on industry-accepted standards and practices. If conflicts exist between these instructions and any applicable codes or ordinances, please contact Greengate before proceeding with the installation. 7. High voltage is present inside the lighting enclosure. Use extreme caution when performing maintenance on this equipment. 8. Document all wiring and device terminations and locations so that devices can be properly configured and programmed for operation. Skylight Application There are two options for mounting a sensor that will be looking at contributed light from a skylight. It is important that the sensor be mounted such that it is not looking at direct sunlight as this will cause the sensor to exceed the maximum of its range. To prevent this, locate the sensor either on the South wall of the skylight well looking North (sensor should be rotated so that the sensor s eye is at the top) or mount on the ceiling next to the skylight looking down at the floor (sensor should be rotated so that the sensor s eye is closest to the skylight well). Mounting Detail When performing daylight harvesting, choice of the mounting location for the photosensor is the key to success. It is important to choose a location that is representative of the day-lighting in the area being controlled. Shadows should also be taken into account as they will affect the day-lighting application. Cooper Controls 203 Cooper Circle, Peachtree, GA 30269 800-553-3879 www.coopercontrol.com Wiring Detail
All low-voltage wiring is Class 2 wiring. All low-voltage wiring must be run in separate conduit from line-voltage wiring. Failure to separate high-voltage from low-voltage wiring may cause interference with lighting controller or motion sensor function. Low-voltage wiring must enter the Greengate lighting controller enclosure through the low-voltage section of the enclosure. Cabling should be 18 AWG twisted, three-conductor, unshielded cable. Maximum length for dry contact closure device wiring is 1000 feet. Wiring the PPS-4 to a Lighting Controller The PPS-4 photosensor wires to the low-voltage switch input channels on the lighting controller s logic board. 1. Connect the Blue wire to the ON of the input channel. 2. Connect the Red wire to the +24VDC of the input channel. 3. Connect the Black wire to the Ground (GND) connection on the peripheral power terminal. Figure-3: LiteKeeper 4 Connection Figure-1: LiteKeeper 16/32 Connection Figure-4: ControlKeeper T Connection Figure-2: LiteKeeper 8 Connection Page 2 Figure-5: ControlKeeper 4 Connection
Wiring the PPS-4 to a Greengate BAS Sensor Alternatively, the PPS-4 photosensor may wire directly to a Greengate Switchpack and BAS sensor to provide daylight harvesting capability in a motion sensor application. In this configuration, the BAS contacts are used for the photosensor wiring. When the photosensor sees enough light, the lighting will turn off and remain off regardless of motion sensor activity. When the light level is lower, the photosensor will revert lighting back to motion control. Figure-6: ControlKeeper 4A Connection Adjusting the PPS-4 Figure-7: ControlKeeper 2 Connection The PPS-4 has an onboard LCD display to allow for easy user adjustment. The display will power down after a 10 minute period of inactivity. To activate the screen again, press either the Menu or Select button and the display will illuminate. The Menu button will allow you to cycle through the main menu items. The Select button is used to view options within the menus, select options and save changes. Wiring the PPS-4 to a Greengate Switchpack The PPS-4 photosensor may alternatively wire directly to a Greengate Switchpack and optional wall switch. In this configuration, the wall switch must be a two-wire momentary switch. The wall switch may be used to override the photosensor s OFF - command for 1 hour before the sensor reverts to normal operation. There are three main settings that will need adjustment for the photosensor to operate properly. These include the ON threshold, the OFF threshold and the Time Delay setting. When the light level drops below the ON threshold for 20 seconds, the photosensor issues an ON command. When the light level goes above the OFF threshold, the sensor will wait for the period of time defined in the Time Delay settings and then turn off the lights if the light level is still above threshold. Page 3
Step 1: Verify Control Overriding the Sensor If the PPS-4 is wired to a lighting control panel, it is recommended that the sensor be programmed into the lighting controller prior to proceeding with these steps to allow for test of functionality. Remember to program the sensor as a maintained contact. 1. Pop the cover off of the photosensor to expose the Menu and Select buttons and display. 2. If the display is not illuminated, press the menu button. The display will illuminate. 3. Press the menu button until the CTRL screen is displayed. 4. Press the Select button to toggle the override between ON and OFF. The display will update with the overridden status. Verify that the lighting responds. 5. The override will remain active until the menu button is used to cycle back through the menu options or will time out automatically in 10 minutes. Step 2: Setting the ON Threshold It is best to set the PPS-4 switching thresholds when the space is at the light level that the lights should turn ON. The default setting is 7.5FC. 1. Make certain that the lighting is at the level in the space where you want the lighting to turn on. 2. Press the menu button until the display is at the CTRL 3. Press the Select button until the display reads OFF and the lights are OFF. 4. Press and hold the select button for 2 seconds until MEM 5. Press the Menu button until the FC Reading Menu is sensor. Make note of the current light level. This value will be the desired FC target value for the ON threshold. 6. Press the menu button until the ON Threshold Menu is displayed (ON XX). 7. Press the Select button until the closest FC value to the noted reading is displayed. 8. When the desired FC threshold is displayed, press and hold down the select button for about 2 seconds until MEM Step 3: Setting the OFF Threshold The PPS-4 will calculate a 25%, 50%, 75% and 100% deadband value for the OFF based on the ON threshold being used. The default setting is 50% deadband. It is important to have adequate separation between the ON and OFF thresholds to prevent cycling due to thresholds being crossed when lighting is switched on and off. To prevent this from occurring: 1. Set up the ON threshold. 2. Press the menu button until the display is at the CTRL 3. Press the Select button until the display reads CTRL ON and the lights are ON. 4. Press and hold the select button for 2 seconds until MEM 5. Press the Menu button until the FC Reading Menu is sensor. Make note of the current light level. 6. Press the menu button until the display is at the CTRL 7. Press the Select button until the display reads CTRL OFF and the lights are OFF. 8. Press and hold the select button for 2 seconds until MEM 9. Press the Menu button until the FC Reading Menu is sensor. Make note of the current light level. 10. Take the initial reading with the lights on and subtract the figure from the reading with the lights off. This is the minimum deadband in FC that needs to be maintained to prevent the lights from cycling. 11. Press the Menu button until the ON Threshold Menu is displayed (ON XX). 12. Press the Select button to cycle through the available OFF thresholds and select the appropriate setting. 13. Press and hold down the Select button for approx. 2 seconds until MEM appears at the top of the sensor s display window. ON Value OFF Deadband Value FC 25% 50% 75% 100% 1.0 1.2 1.5 1.7 2.0 1.2 1.5 1.8 2.1 2.4 1.5 1.8 2.2 2.5 3.0 1.8 2.2 2.7 3.1 3.6 2.2 2.7 3.3 3.8 4.4 2.7 3.3 4.0 4.6 5.4 3.3 4.1 4.9 5.7 6.6 4.0 5.0 6.0 7.0 8.0 5.0 6.2 7.5 8.7 10 6.0 7.5 9.0 11 12 7.5 9.3 11 13 15 9.0 11 14 16 18 11 14 17 19 22 13 16 20 23 26 16 20 24 28 32 20 25 30 35 40 25 31 38 44 50 30 38 45 53 60 35 44 53 61 70 45 56 68 79 90 60 75 90 105 120 90 113 135 158 180 125 156 188 219 250 180 225 270 315 360 250 313 375 438 500 325 406 488 569 650 400 500 600 700 800 475 594 713 NA NA 550 688 825 NA NA 625 781 938 NA NA 700 875 1050 NA NA 775 969 1163 NA NA 850 1063 1275 NA NA Page 4
Step 3 Setting the Time Delay The time delay setting determines how long the light level must be above the OFF threshold before the lighting turns OFF. The default setting is 10 minutes. To change this setting: 1. Press the menu button until the display shows the Time Delay Menu (TIME #M). This is the current time delay setting. 2. Press the Select button until the desired choice is shown. Choices include 3 minutes, 10 minutes, 20 minutes and 30 minutes. 3. When the desired number of minutes is displayed, press and hold down the select button for about 2 seconds until MEM Additional PPS-4 Information Testing the Sensor It is possible to place the sensor in test mode. In this mode, the sensor will immediately switch lighting on or off upon the cross of the on or off thresholds. If a sensor is left in test mode, it will automatically revert to normal operation after 30 minutes. 1. Press the menu button until the display reads SETUP. 2. Press the select button once. The display will read TEST. 3. Press the select button again. The display will read TEST ON and the sensor LED will flash. The sensor is now in test mode. 4. Once test is complete, process steps 1-3 again to turn off test mode. It is also possible to test the sensor for functionality by overriding the sensor on and off. Refer to the Step 1: Verify Control Overriding the Sensor section for details on overriding the sensor. Resetting the Sensor It is possible to reset the sensor to factory defaults. Press and hold both the Menu and the Setup buttons at the same time. The display will default to the main screen and factory defaults will be restored. Additional functions of the photosensor are not used in the Greengate application. LED Functions LED Status OFF ON solid Green Green flashing rapidly (once per second) Green flashing slowly (once every four seconds) Description The lights are commanded ON by the PPS-4 The lights are commanded OFF by the PPS-4 The PPS-4 is in test mode The PPS-4 is being overridden either by the CTRL override menu or by an external two wire momentary wall switch. All products manufactured by Cooper Controls and identified with the Greengate brand are warranted to be free from defects in material and workmanship and shall conform to and perform in accordance with Seller s written specifications for a period of : Five (5) years from date of shipment for all occupancy sensors. Three (3) years from date of factory invoice for our hardware and software on Lighting Control Panels. We warranty all our standard relays for a period of 10 years from date of factory invoice. We guarantee the performance of our system to specifications of your money back. This warranty will be limited to the repair or replacement, at Seller s discretion, of any such goods found to be defective, upon their authorized return to Seller. This limited warranty does not apply if the goods have been damaged by accident, abuse, misuse, modification or misapplication, by damage during shipment or by improper service. There are no warranties, which extend beyond the hereinabove-limited warranty, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTY OF MERCHANTABILITY AND THE IMPLIED WARRANTY OF FITNESS. No employee, agent, dealer, or other person is authorized to give any warranties on behalf of the Seller or to assume for the Seller any other liability in connection with any of its goods except in writing and signed by the Seller. The Seller makes no representation that the goods comply with any present or future federal, state or local regulation or ordinance. Compliance is the Buyer s responsibility. The use of the Seller s goods should be in accordance with the provision of the National Electrical Code, UL and/or other industry or military standards that are pertinent to the particular end use. Installation or use not in accordance with these codes and standards could be hazardous. Cooper Controls 203 Cooper Circle, Peachtree, GA 30269 800-553-3879 www.coopercontrol.com P/N 05-014682-00