Intermatic T8845PV Installation manual
Time Switches
Sprinkler/Irrigation Timer with 14-Day Skipper
These irrigation timers permit 1 to 60 “ON” operations every 24 hours. This series is designed for water
metering in increments of 12 minutes to 20 hours and 45 minutes for maximum conservation of precious water
resources. The 14-day skipper feature permits irrigation to be omitted on selected day(s) and also provides
for “every other” day operation. The “ON/OFF/AUTOMATIC” switch allows shutdown during rainy days or
extended watering during dry periods without disturbing the automatic cycle set on dial.
Applications
• Multi-Station Hydro Indexing Valves • Greenhouses • Lawn Sprinkling • Pumps
• Irrigation Control • Feeders • Drip Irrigation Systems
Specifications
Case – Plastic NEMA 3R case. Cases include hanging bracket plus two mounting holes on back below switch for
mounting.
Knockouts – Combination 1/2"-3/4" nominal knockouts, one on back and each side of case, and two on bottom.
Switch Rating –
T8805P101C – 15 Amps, 125 VAC, 1/2 HP, SPST.
R8806P101C – 25 Amps, 208-277 VAC, 2 HP, DPST relay.
R8815P101C – 25 Amps, 120 VAC, 1-1/2 HP, DPST relay.
R8816P101C – 25 Amps, 208-277 VAC, 3 HP, DPST relay.
T8845PV – 125 VAC, SPST, output 24 Volts - 20VA
Model # Switch Motor Voltage 60 Hz Output Voltage 60 Hz AMPS (per pole) HP Rating
T8805P101C SPST 125 –– 15 1/2
R8806P101C DPST 208-277 — 25 2
R8815P101C* DPST 120 — 25 1-1/2
R8816P101C* DPST 208-277 –– 25 3
T8845PV** SPST 125 24 20VA ––
* Includes rain sensor input terminals- rain sensor not supplied.
** Includes 24 volt - 20 VA transformer.
For additional trippers (12 per pack), order No. 156T1950A.
For additional skipper pins (14 per pack), order No. 156T1954A.
C22.2-177
LR3730
UL917
3.75 lbs
1.7 kg
-40°F
(-40°C)
to
130°F
(54°C)
WEATHERPROOF • ENERGYCONTROLS • PROFESSIONALLIGHTING • POOL&SPA • SURGEPROTECTION • CONSUMER
30
MODEL: T8845PV
24 HR. DIAL TIME SWITCH WITH
14-DAY "SKIPPER®" AND TRANSFORMER
IN DUSTPROOF/RAINPROOF PLASTIC ENCLOSURE
INPUT: 110/125 VOLT A.C.
OUTPUT: 24 VOLT - 20 VA
CLOCK MOTOR: 110/125 VOLTS - 60 HZ.
PROGRAMMING INSTRUCTIONS:
1. TO SET FIRST ZONE: For watering, push gold pin into slot on yellow
dial at desired ON time. For each 12 minutes of additional watering
add one pin WITHOUT skipping a slot.
2. TO CHANGE ZONES: Leave one blank slot on yellow dial after ON
line (gold pin), and valve will automatically advance to next zone.
3. TO SET ADDITIONAL ZONES: Repeat steps 1 and 2. REMEMBER
to leave blank space between zones
4. TO SET TIME OF DAY: Turn yellow dial CLOCKWISE, until correct
line is at end of silver time pointer. Do NOT turn silver pointer.
5. TO SKIP DAYS: Turn black skipper wheel COUNTER-CLOCKWISE
until todays day is in front of "14" arrow. Press pins DOWN on days
of NO watering. The skipper wheel must have all pins UP for daily
watering.
6. PUT SELECTOR SWITCH IN AUTO: This switch can be used to turn
the system ON or OFF for manual operation without affecting the set
program.
IMPORTANT NOTICE: Use the one silver pin that is located at Midnight
on the yellow dial, it advances the skipper wheel automatically. Do NOT
use multiple silver pins.
CAUTION: Always disconnect power at main panel before servicing
this Switch or the equipment it controls.
INTERMATIC INCORPORATED
SPRING GROVE, ILLINOIS 60081-9698
158TS10974
TIME
POINTER
DIAL
SKIPPER
AUTO
TIME
DAY
SELECTOR
SWITCH
FIGURE 1
TRANSFORMER
WIRING DIAGRAM
GROUND
LINE NEUTRAL
BLACK WHITE
POWER IN
TO: 24 VOLT SOLENOID
LR3730
Project2 3/4/04 10:30 AM Page 1
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