Installation & Operation Guide
Vision.net
Photocell Daylighting Sensor
8
PROGRAMMING THE PHOTOCELL SENSOR
Entering Programming Mode
Step 1. Enter Programming Mode (refer to page 7).
Step 2. Tap FIELD SELECT button until the Photocell Sensor lights up its Green LED
(Dimmer and Photocell Mode).
Setting Up Daylight Harvesting
Step 1. Tap MODE (A) button to select the Daylight Harvesting Mode (refer to page 7 for
Programmer Remote button layout).
Step 1a. Tap buttons 1-6 to select the following modes:
1
(DH1) - Daylight Harvesting RLYS Button Control Open Loop (RLYS Button(s)
On with Low Sunlight and Off with High Sunlight).
2
(DH2) - Daylight Harvesting Dimmer Control Open Loop (Move towards Preset
1 with Low Sunlight and Preset 2 with High Sunlight).
3
(DH3) - Daylight Harvesting Dimmer Control Closed Loop (Move towards Preset
1 with Low combined Room Ambient and Sunlight and Preset 2 with High
combined Room Ambient and Sunlight).
5
(DH-MO) - Tap to set the Photocell in Manual On Mode:
a – When in DH1 Mode, the Photocell is enabled whenever RLYS Button 1 is
on. This allows it to be controlled by a Sensor controlling RLYS Button 1.
b – When in DH2 and DH3 Modes, the Photocell is enabled whenever its
assigned RLYS Buttons are On and the system is in Preset 1 (On Preset).
6
(DH-AO) - Tap to set the Photocell in Auto Mode. Auto Mode is used whenever
the Photocell is powered up. It will always turn on RLYS Buttons and set Preset 1.
This mode is used whenever the Photocell Sensor is the only sensor in the system
and the lights are externally controlled by a dimmer or relay cabinet.
0
(DEFAULT) - Factory Default (DH2 – Manual On).
Note:
DH1 and DH2 are considered Open Loop, in that the Photocell will make adjustments
based on detected sunlight (artificial or fluorescent lighting has less affect).
Note:
DH3 is considered Closed Loop, in that the Photocell will make adjustments based on
artificial or fluorescent light (sunlight has less affect).
Step 2. Tap TIME (B) button to select response timing (speeds up or slows down the
control of relay(s) or dimmers).
