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)

130°F

(54°C)

WEATHERPROOF • ENERGYCONTROLS • PROFESSIONALLIGHTING • POOL&SPA • SURGEPROTECTION • CONSUMER

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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