DIAGRAM 3:
2-SWITCH SETUP,
TIMER INSTALL USING
NEW SINGLE-POLE
REMOTE SWITCH
LOAD
NEUTRAL
WIRE “A”
LINE
SINGLE-POLE
REMOTE SWITCH
WIRE “B”
BLACK
TIMER
BLUE
RED
WIRE “C”
JUMPER
DIAGRAM 2:
2-SWITCH SETUP,
TIMER INSTALL
RE-USING EXISTING
REMOTE 3-WAY SWITCH
LOAD
NEUTRAL
WIRE “A”
“COMMON” TERMINAL
LINE
3-WAY
REMOTE SWITCH
WIRE “B”
NOT USED
BLACK
TIMER
BLUE
RED
WIRE “C”
JUMPER
www.intermatic.com
Energy Controls
Diagrams
ST01 Series
Specification
The timer shall be a solid state electronic control, capable of permitting 40 event settings to be distributed through a
7-Day time period, plus one Astro ON and one Astro OFF setpoint per day. The time-of-day event settings shall be
programmable to the nearest minute with a minimum ON duration of 1 minute and a maximum ON duration of 6 days,
23 hours, 59 minutes. The timer shall have a digital LCD to show mode and time of day using a 12 hour AM/PM indicator.
The timer shall provide a manual override control for both temporary and permanent overrides. The timer shall operate
over a temperature range of 32°F to 104°F (0°C to 40°C). A lithium battery provides up to 2+ years of time
keeping without AC power. User program selections are stored in a non-volatile memory. Switch configuration to be
SPST with a CSA listed rating of: Resistive (heater): 15 Amp, 120-277 VAC; Tungsten (incandescent):15 Amp, 120 VAC;
6 Amp, 208-277 VAC; Ballast (flourescent); 8 Amp, 120 VAC; 4 Amp, 120 VAC; Motor: 1 HP, 120 VAC; 2 HP, 240 VAC; DC
Loads: 4 Amp, 12 VDC; 2 Amp, 28 VDC. The timer must fit a standard wall box and accept a rectangular decorator wall
plate. Timer contacts shall make or break current according to user adjustable program.
The timer shall be Intermatic model ____________________(Almond-ST01AC)(White-ST01C).
DIAGRAM 1:
TYPICAL EXISTING
2-SWITCH SETUP
LOAD
NEUTRAL
3-WAY
MAIN SWITCH
WIRE “A”
“COMMON” TERMINAL
LINE
3-WAY
REMOTE SWITCH
WIRE “B”
WIRE “C”