TIMERS TIMERS LR2U SERIES MULTIFUNCTION TIMER UL listed CSA recognized • DIN-Sized (48 x 48mm) Housing • Multi Function • Multi Time Range (.1 sec to 10 hours in one unit) • DPDT 10 Amp Relay Output • LED Power ON Indicator • LED Relay Indicator Function A: Function B: Function C: Function H: Delay on Make Single Shot Delay on Break Interval Timer Input Power S1 Initiate Switch S2 Relay T T T T 0 gized and the timer is ready for another cycle. Isolate the initiate switch Function A: When input power (S1) is applied, timing (t) begins. At the end of the (S2) from another circuit. preselected time (T), the relay energizes. The output relay is de-energized when Function H: The output relay is energized when the input power (S1) is power is removed, thus resetting the timer for the next cycle. applied. At the end of the delay time, the output relay is de-energized. Function B: Input power (S1) is continuously supplied to the timer. When an The timer is reset when the input power is removed. external initiate switch (S2) is closed, momentarily or maintained, the output relay is energized. At the end of the delay time (T), the output is de-energized. The WIRING DIAGRAM: timer is ready for another cycle. Isolate the initiate switch (S2) from other circuits. Function C: Input power (S1) is continuously supplied to the timer. When an GLR2 external initiate switch (S2) is closed, the output relay is energized. Timing begins when the S2 switch opens. At the end of the delay time (T), the output is de-ener- S1 S2 SPECIFICATIONS: 6 Input Power . . . . . . . . . . . . . . 12 VDC, 24 VAC/DC, 48 VAC/DC 5 7 4 8 . . . . . . . . . . . . . . . . . . . . . . . . 110 VAC, 220 VAC, ±15%, 50/60 Hz 3 9 Max. power consumption . . . 24 VAC: 1 VA 12 VDC: 0.5 W 2 10 1 11 . . . . . . . . . . . . . . . . . . . . . . . . 48 VAC: 2 VA 24 VDC: 0.8 W . . . . . . . . . . . . . . . . . . . . . . . . 110 VAC: 4 VA 48 VDC: 1.8 W . . . . . . . . . . . . . . . . . . . . . . . . 220 VAC: 7 VA The command contacts should be isolated from other circuits. The contact Output . . . . . . . . . . . . . . . . . . DPDT Relay will operate on the same supply as the timer and will have maximum load of 5 Contact material . . . . . . . . . . AgCdO mA. The LR2 Series is a dual voltage timer. Jumper terminals 10 to 7 Maximum loading . . . . . . . . . 10 A AC resistive 8 A DC (GLR2) when using 24VAC/DC input power. Max. switching voltage . . . . . 250 VAC 250 VDC TIMING RANGE SELECTION: Relay max. power rating . . . . 2400 VA 80 W Time Base Selection Switch Six Time Ranges can be select- Transient protection . . . . . . . 2500 volts 6 :Hour, Minute, Second ed with two front panel switches. Mechanical life of relay . . . . .. 3 x 10 operations 5 Electrical life of relay . . . . . . 2 x 10 operations at 2400 VAC Six Time Range can be selected 5 4 with two front panel switches. Repetition accuracy . . . . . . . ±0.5% at a constant ambient 3 6 2 7 X 0.1 s — 0.1 to 1 second Reset time . . . . . . . . . . . . . . . Function A: 100 ms during timing or 50 ms after 1 8 X 1 s — 1 to 10 seconds 9 . . . . . . . . . . . . . . . . . . . . . . . . Function B & C: 100 ms during timing =1 Hrs X 0.1 mn — 0.1 to 1 minute . . . . . . . . . . . . . . . . . . . . . . . . Minimum contact closure time: 50 ms X 1 mn — 1 to 10 minutes . . . . . . . . . . . . . . . . . . . . . . . . Function H: 50 ms after, 100 ms during timing. X 0.1 hrs — 0.1 to 1 hour Scale Selection Time Base Operating temperature . . . . . -4°F to +140°F -20°C to +60°C X 1 hrs — 1 to 10 hours Switch: x1, x0.1 Readout Weight . . . . . . . . . . . . . . . . . . 3.5 oz. (100g) ORDERING INFORMATION: G LR2 U 110A DIMENSIONS See page 3-2 MOUNTING SERIES TIME RANGE INPUT POWER SERIES TIME RANGE INPUT POWER MOUNTING LR2 U Range 12D = 12 VDC G = 11 pin plug-in 0.1 sec to 10 hours 48AD = 48 VAC/DC 110A = 110 VAC/24 VAC/DC 220A = 220 VAC/24 VAC/DC Products and specifications subject to change without notice. Consult factory for application assistance. 204 Airline Drive, Suite 300, Coppell, Texas 75019 / Tel: (800) 677-5311 / FAX: (800) 677-3865 / www.crouzet-usa.com 4-10