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IMPORTANT SAFETY INSTRUCTIONS
When installing and operating this Product and other associated equipment, basic safety precautions should always be followed,
including the following:
1. Read and follow all instructions.
2. This Control must be installed by a qualified electrician, according to National and Local Electrical Codes.
3. Install this control not less than 5 feet (3 meters in Canada) from inside edge of pool. USE COPPER CONDUCTORS ONLY.
4. Do not exceed the maximum ratings of individual components, wiring devices, and current carrying capacity of conductors.
5. For Control grounding, bonding, installing and the wiring of underwater lights, refer to Article 680 of the National Electrical
Code or Article 68 of the Canadian Electrical Code.
6. The Control should not operate any equipment which would cause bodily injury or property damage should it be activated unexpectedly.
READ, FOLLOW AND SAVE THIS INSTRUCTION MANUAL
INSTALLATION
1. Remove the four #10 hex head screws from the
back of the enclosure and attach mounting brackets
to enclosure.
2. Select the proper location for the Control and hang
enclosure on a flat vertical surface or other support,
using hardware suitable for the purpose.
3. Prepare the necessary conduit runs, terminate them
at both ends and pull in the conductors as specified
by the installation layout.
4. Refer to Figure 1 below;
note that this enclosure
contains one or two Time
Switch(es). To wire the
panel, follow the wiring diagram located inside the
enclosure door. Make sure that connections to time
switch terminals are tight (25 lb.-in. minimum) and
insulation clears the pressure plate - see illustration.
5. If required by the heater manufacturer, install
fireman switch kit 156T4042A (not furnished)
on Time Switch Plate and make the fireman switch
connections. Use at least #18 AWG wiring with
insulation rated 300 Volt or higher. Place heater
ON/OFF switch on heater to ON (see Figure 2).
Some heaters may require a special connecting
harness, contact heater manufacturer
for details.
6. For direct wiring of underwater lights, the
installation must comply with Article 680-21(b)
of the National Electrical Code or in Canada,
Articles 68-060, -062 and -066.
7. To install additional wiring devices inside the
enclosure, first remove rectangular knock-out(s) in
dead front. Next, remove hex head screws in back
of enclosure and install stand-offs* in place of
screws. Attach wiring device to stand-offs.
• Stand-offs are not furnished. Order 21T156A for
a set of four (4) stand-offs and mounting hardware.
8. If external bonding is required, install a bonding
lug at bottom of enclosure and bond installation
according to code requirements.
9. Testing of the installation is optional and recom-
mended only if pump is securely in place and will
not be damaged by this test:
a. Turn the manual lever of the Time Switch to OFF.
b. Turn ON power at breaker panel.
c. Move the manual lever of Time Switch to the
right (ON). Pump should start and run on full speed.
In case of unsatisfactory results, turn OFF power,
check your wiring, refer to Troubleshooting on Page 3.
10.Install front panel over wiring compartment.
The control is now ready for programming,
see OPERATION section on Page 3.
Figure 1
2
TO SET FILTER PUMP TIME SWITCH, follow
instructions on the right. The length of the daily filtration/
heating cycle depends on many variables such as size, shape,
geographic location of the pool, water chemistry, type of
pool equipment, usage and season of year. If not sure,
contact your local pool service professional for advice.
THE FIREMAN SWITCH (Heater Protection Mechanism),
if required, is factory set and shuts OFF the heater 20
minutes before the Time Switch turns OFF the filter pump.
The Fireman Switch requires no setting or service.
TROUBLESHOOTING
SYMPTOM
CAUSE(S)
1. Time Switch will not keep
1a. Frequent power outages
time but dial is turning.
1b. Wrong voltage/cycle
1c. Loose clock motor connections
2. Time Switch Dial stops
2a. Loose tripper
at ON or OFF tripper.
2b. Bent dial
2c. Defective motor
3. Dial stops after switch
3a. LINE leads are connected
turns OFF.
to LOAD terminals
4. Load is ON at all times -
4a. Welded contacts
dial is turning.
4b. Two ON trippers and
no OFF tripper on dial
4c. Defective mechanism
5. Dead clock motor. (Clock
5a. Defective clock motor
motor gears do not rotate).
(open coil due to lightning or surge)
5b. Loose clock motor connections
5c. Wrong voltage
OPERATION
TIME SWITCH OPERATING
INSTRUCTIONS
1. TO SET "ON" AND
"OFF" TIMES: Hold
TRIPPERS against edge of
CLOCK-DIAL, pointing
to time (AM or PM) when
ON and OFF operations
are desired. Tighten tripper
screws firmly.
2. TO SET TIME-OF-DAY:
Pull CLOCK-DIAL outward. Turn in either direction
and align the exact time-of-day on the CLOCK-DIAL
(the time now, when switch is being put into operation)
to the pointer.
• TO OPERATE SWITCH MANUALLY: Move
MANUAL LEVER below CLOCK-DIAL left or
right as indicated by arrows. This will not affect
the next operation.
• FOR MORE THAN ONE DAILY ON-OFF
OPERATION: Place additional tripper pairs on
CLOCK-DIAL (order 156T1978A).
• IN CASE OF POWER FAILURE: Reset CLOCK-
DIAL to proper time of day. See step 2 above.
Figure 2
CORRECTIVE ACTION
Reset dial
Change clock motor
Check connections
Check/change tripper
Check/change mechanism
Change clock motor
Reverse LINE and LOAD
connections
Change mechanism
Change tripper
Change mechanism
Change clock motor
Check connections
Change clock motor
3
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