Cut Sheet

www.intermatic.com
Energy Controls
Diagrams
LM Series
Model
Number
Input
Voltage
Resistive
Rating
Ballast
Rating
Channel Sensor Type Foot Candle
Range
Mounting Type Shipping Weight
LM2-O-120 120 VAC 10 Amps @
277 VAC
8 Amps @
277 VAC
2 LS2 – Dark Sensor 10 to 1000 fc NEMA 3R, Outdoor
Enclosure
2.2 lbs. (1.0 kg)
PC1-120-LS1 120 VAC 10 Amps @
277 VAC
8 Amps @
277 VAC
1 LS1 – Transparent
Sensor
0.2 to 50 fc Surface/DIN Rail 0.8 lbs. (0.4 kg)
PC1-120-LS2 120 VAC 10 Amps @
277 VAC
8 Amps @
277 VAC
1 LS2 – Dark Sensor 10 to 1000 fc Surface/DIN Rail 0.8 lbs. (0.4 kg)
PC2-120-LS1 120 VAC 10 Amps @
277 VAC
8 Amps @
277 VAC
2 LS1 – Transparent
Sensor
0.2 to 50 fc Surface/DIN Rail 0.8 lbs. (0.4 kg)
PC2-120-LS2 120 VAC 10 Amps @
277 VAC
8 Amps @
277 VAC
2 LS2 – Dark Sensor 10 to 1000 fc Surface/DIN Rail 0.8 lbs. (0.4 kg)
Channel Module Only
PC1-120 120 VAC 10 Amps @
277 VAC
8 Amps @
277 VAC
1 Surface or DIN Rail 0.7 lbs. (0.3 kg)
PC2-120 120 VAC 10 Amps @
277 VAC
8 Amps @
277 VAC
2 Surface or DIN Rail 0.7 lbs. (0.3 kg)
Light Sensor Only
LS1 Transparent 0.2 to 50 fc ¾" Conduit Fitting 0.2 lbs. (0.1 kg)
LS2 Dark 10 to 1000 fc ¾" Conduit Fitting 0.2 lbs. (0.1 kg)
M
1 2
Input
3
4
5
CH 1
6
7 8
CH 2
9
11
10
Jumper required between 9 and 10
{
Sensor
3-4 and 6-7 closes on light level decreasing below setpoint
NO
NO
NC
NC
Positions sensor
with arrow
facing sunlight
Interior Lighting Control
(Daylight Harvesting)
Wall
LS2
Dusk to Dawn Control
Positions sensor
with arrow
facing wall
Wall
LS1 or LS2
PC Series Wiring Diagram
Specification
Furnish and install a Grässlin______ (PC1, single)(PC2, two-channel) photo-electric switch. The controller shall provide
an integral light sensitivity adjustment, selectable from 0.2 to 1000 foot candles for low or high light level control
(two channel units shall have independent adjustments for each channel). An LED indication of relay status shall be pro-
vided. The unit shall be provided with a remotely mounted light level sensor, in weatherproof housing, and the capablility
of being located up to 300 feet from the control. The SPDT switch contact(s) shall be able to handle 10A @ 277 VAC. The
controller shall be surface, DIN Rail or enclosure mounted.