Taco 265 Manuale utente

Application:

The Taco Clock Timer/Temperature Aquastat combination is

designed to cycle the circulator during peak demand peri-

ods. The Analog Timer (No. 265-1) is adjustable to 15 minute

intervals within a 24 hour time frame. The Digital Timer

(No. 265-3) can be programmed for 7 day operation. The

Temperature Aquastat (No. 563-2) automatically switches

the circulator ON at 95ºF and OFF at 115ºF. The two can

be used in combination, or they can be used separately.

When the Clock Timer/Temperature Aquastat are used

together, the Timer switches ON sending power to the unit.

The Temperature Aquastat measures the temperature, and

cycles the circulator as long as the Timer is switched to the

ON mode.

If used separately, the Clock Timer operates the circulator

during the chosen number of ON/OFF intervals. When using

only the Temperature Aquastat, the circulator cycles inter-

mittently to maintain a temperature between 95ºF and 115ºF.

The Clock Timer and Temperature Aquastat are easy to

retrofit to any “00” Series Circulator. The user-friendly 24

hour analog clock has an hour hand, raised minute hand

for ease of adjustment, two directional arrows, and AM/PM

time settings. Our easy to program digital timer provides

maximum convenience, comfort and energy savings. The

Clock Timer can be mounted in any direction by just

attaching it to the capacitor box electrical connection hole.

Installation: FOLLOW ALL INSTRUCTIONS IN THE

SEQUENCE THAT THEY APPEAR.

Analog Timer Installation Instructions:

1. Disconnect the electrical supply. Remove circulator

terminal box screw and cover.

2. Loosen Timer box cover screw and remove cover.

3. Assemble the back portion of the Timer to the “00” ter-

minal box as shown in the Timer installation diagram

(006 circulator pictured). Make sure that the protruding

tang on the back of the Timer box fits under the circu-

lator’s terminal box base. Adjust until the two terminal

box openings are aligned.

4. Secure the locknuts. Feed the yellow and white circu-

lator lead wires into the Timer through the bushing.

Reassemble circulator terminal box cover and secure

with the screw.

5. See electrical hook-up for Timer wiring.

Aquastat Installation Instructions:

1. Disconnect the electrical supply. Securely fasten the

Aquastat clip to 3⁄4" pipe or to the circulator casing for

1⁄2" pipe applications. The Aquastat must be properly

fastened to insure a good reading.

2. See electrical hook-up for Aquastat wiring.

Electrical Hook-Up:

1. All electrical work must be performed by an electrician

in accordance with the latest edition of the National

Electrical Codes and Local Codes and Regulations.

2. Verify that the voltage, phase and frequency are correct

for the Circulator, Timer and Aquastat prior to connection.

3. Follow the appropriate wiring diagram

Analog Timer Programming:

1. Set the clock to the exact time of day using the clock

face minute hand. Pay special attention to the corre-

sponding AM and PM settings.

2. Supply power. Test circulator by pushing Timer lever into

the manual position.

3. Set the desired ON/OFF times in 15 minute intervals.

Push trippers away from clock face for ON operation, and

leave trippers toward the clock face for OFF operation.

Programming Modes:

1. Up = On, Constant

circulation I

2. Middle = Automatic

operation

3. Down = Off O

Instruction Sheet

Timer and Aquastat

102-067

SUPERSEDES: November 15, 1992 EFFECTIVE: May 1, 2003

Plant ID# 001-979

Analog Timer Clock Face

Digital 7 Day Programmable Timer:

The Plumb n’ Plug digital timer features a large LCD display

and unique “circular programming” with large keys for easy

setting and adjustments. A 100 hour capacitor backup

retains program memory during power outages.

Note: Although the Plumb n’ Plug digital timer contains

some degree of spike and electrical noise protection, as

with all electronic devices, these units can be affected by

electrical noise. It is recommended that they be powered

from a voltage source that has no switching devices or

inductive loads connected.

Digital Timer Technical Data:

Channels: 1

Programs: 20

Daylight time changeover: Manual

Manual 3-way override: On-Auto-Off

Shortest switching time: 1 minute

Reserve carryover: 100 hrs.

Input voltage: 120 VAC

Switching Output: SPDT relay

Switch ratings: 500 W @ 125 VAC

Input draw: 4 VA

Input frequency: 50 or 60 Hz

Wiring connections: 1⁄4"quick connect

Ambient temperature: -20°F to 140°F (-28°C to 60°C)

UL and Canadian UL recognized: File E83486

Keypad Description:

Setting the Time/Automatic Run Mode

Prog. Program Mode

Res.*Reset: Clears all programs and time

Select ON or OFF in Prog. Mode, Manual Override

in Run Mode

±1h*Manual Daylight Change Key

hSetting the Hour (12:-- AM)

mSetting the Minute (12:01 AM)

Day Set Day(s) for time and programs

(Mon = 1, Tues = 2, . . . Sun = 7)

* Recessed keys; use a pen point to press

LCD Display Elements:

The LCD incorporates a number of different elements to dis-

play various data and information.

Programs:

The PNP digital timer will accept up to 20 programs. A pro-

gram consists of:

1. An ON or OFF command

2. Time of day (Hour and Minute)

3. Single day or multiple days

A program is required for each ON

event, and a program is required

for each OFF event.

IMPORTANT: BEFORE PRO-

CEEDING WITH SETTING THE

TIME AND PROGRAMMING THE

UNIT, PRESS THE RESET KEY TO

CLEAR ALL DATA FROM MEMORY.

Selecting AM/PM or Military Time:

After pressing reset, the display may show AM (right). The

numbered day symbols will be flashing on and off.

If the display does not show AM, it is in military time mode

(24:00 hr.). To change to AM/PM mode, press and hold the

hkey and press the ±1h key once. AM will appear in display.

If display is in AM mode and military mode is desired, press

and hold the hkey, press the ±1h key once.

Setting the Time:

NOTE: If the hand mkeys are held down longer than 2 sec-

onds, the numbers will advance rapidly.

Press and hold the key during the following: (If Daylight

Savings Time is in effect, press ±1h first.)

1. Press hto advance to the current hour (while holding

down the key).

2. Press mto advance to the current minute (while holding

down the key).

3. Press Day repeatedly to advance to current day (while

holding down the key).

(Mon = 1, Tues = 2, . . . Sun = 7)

NOTE: If the days are flashing, it indicates the day of the

week was not set when setting the time. The timer cannot

be programmed unless the day of the week is entered.

Manual Daylight Time Changeover:

Each year, in the Spring, press ±1h to advance the time an

hour. In the Fall, press ±1h to set back an hour.

Time of Day or

Switching Time

Days of the Week

Daylight Time Symbol

AM and PM Symbol

Run Mode Symbol

ON/OFF Symbol

Manual Override ON

Continuous OFF Symbol

Continuous ON Symbol

OFF Symbol

ON Symbol

1 2 3 4 5 6 7

+1h

1 2 3 4 5 6 7

Digital 7 Day Programmable Timer

Programming 24 Hour or 7 Day Schedules:

Note: It is helpful to write out the program schedules before

beginning. See last page.

IMPORTANT: THE CURRENT TIME OF DAY AND DAY OF

WEEK MUST BE SET PRIOR TO PROGRAMMING. SEE

“SETTING THE TIME”.

Program 1: ON at 7:00 AM Monday thru Friday

Program 2: OFF at 8:00 AM Monday thru Friday

Program 3: ON at 8:00 AM Saturday and Sunday

Program 4: OFF at 9:00 AM Saturday and Sunday

Four programs need to be entered.

Press Prog. key only once. Display shows:

Program 1: ON at 7:00 AM Monday thru Friday

Press key once ON symbol appears

Press hkey To 07 AM

Press mkey once To 00

Press Day key 2 times 1 2 3 4 5 is displayed

Press Prog. key to enter

Program 2: OFF at 8:00 AM Monday thru Friday

Press key twice OFF symbol appears

Press hkey To 08 AM

Press mkey once To 00

Press Day key 2 times 1 2 3 4 5 is displayed

Press Prog. key to enter

Program 3: ON at 8:00 AM Saturday and Sunday

Press key once ON symbol appears

Press hkey To 08 AM

Press mkey once To 00

Press Day key 3 times until only 6 & 7 is displayed

Press Prog. key to enter

Program 4: OFF at 9:00 AM Saturday and Sunday

Press key twice OFF symbol appears

Press hkey To 09 AM

Press mkey once To 00

Press Day key 3 times until only 6 & 7 is displayed

Press Prog. key to enter

Program additional settings as desired (maximum of 10

ON/OFF programs). When all programs are complete,

press key to enter Run Mode.

IMPORTANT: IF AN “ON” TIME WAS PROGRAMMED

THAT IS EARLIER IN THE DAY THAN THE CURRENT TIME,

PRESS ONCE TO TURN THE TIMER “ON”. (IT DOES

NOT “LOOK BACK” TO DETERMINE IF IT SHOULD BE ON

OR OFF AFTER PROGRAMMING.)

NOTE: If 24 hour time control (same schedule every day of

the week) is desired, ignore Day key.

If an ON or OFF symbol is not entered, the ON symbol will

flash, and program will not be accepted.

Day Key Selections:

Reviewing Programs:

To review the programs at any time, press Prog. key.

Programs will appear in the order they were entered with

repeated presses of the Prog. key. After all programs have

been reviewed, the blank display will appear to allow enter-

ing another program. Another press of the Prog. key will

display the number of free programs available, such as Fr 16

if 4 programs have been entered.

Manual Override:

TEMPORARY: While in the Run Mode,

•Pressing the key once will reverse the output; ON to

OFF or OFF to ON. The symbol appears in the dis-

play to indicate a temporary override. At the next sched-

uled switching time, automatic control resumes, elimi-

nating the override.

CONTINUOUS: While in the Run Mode,

•Pressing the key twice will turn the output to ON per-

manently. symbol appears in display.

•Pressing the key three times will turn the output OFF

permanently. symbol appears in display.

•To terminate a continuous override, press the key

until appears in the display.

Changing a Program:

Select the program to be changed with the Prog. key. A

new set of days may be selected with the Day key just as

in initial programming. Hour and minute can be changed

with the hand mkeys.

Press Prog. or key to store the new program.

Deleting a Program:

To delete only one or a few programs:

Press Prog. key until the desired program is displayed.

Press mkey to :59 and press once more to blank out.

Press hkey to 11PM and press once more to blank out.

Press key, display will flash for several seconds and

then enter the Run Mode.

Using the reset key will delete ALL programs, the time of

day, and day of the week.

Press Day Key Display Shows Days

0 times 1 2 3 4 5 6 7 Every Day

1 time 1 2 3 4 5 6 Mon - Sat

2 times 1 2 3 4 5 Mon - Fri

3 times 1 2 3 4 5 6 7 Sat & Sun

4 times 1 Monday

5 times 12 Tuesday

6 times 1 2 3Wednesday

7 times 1 2 3 4 Thursday

8 times 1 2 3 4 5 Friday

9 times 1 2 3 4 5 6 Saturday

10 times 1 2 3 4 5 6 7Sunday

EXAMPLE (see back page)

1 2 3 4 5 6 7

Troubleshooting:

PROBLEM: Days are flashing, pressing any key does noth-

ing except key turns output On and OFF.

SOLUTION: Time of Day and Day of Week have not been

set. See “Setting the Time”.

A second, but very unlikely cause of loss of program, is a

power failure with the backup capacitor low or dead. Check

by disconnecting power and monitoring how long the

capacitor keeps the time of day in the display. Typically, the

capacitor will maintain the time and programs for 4 days,

but not more than 5 days.

PROBLEM: Time of day was set while holding the key

down, but days are still flashing.

SOLUTION: Current day of week was not set while holding

down the key. See “Setting the Time”.

PROBLEM: It is 10 AM and an ON program for 8 AM was

entered, but the output is not ON. Display shows the

and symbols.

SOLUTION: After programming, the timer does not “look

back” to determine if it should be ON. Press the key

(temporary override) to turn the output ON; appears

in display. The timer will assume automatic operation at the

next programmed event.

PROBLEM: A program for 8 AM Monday thru Friday was

entered, but it will not accept it and is flashing.

SOLUTION: The ON or OFF was not entered as part

of the program. On or OFF must be selected.

DOITONCE. DOITRIGHT.™

TACO, INC., 1160 Cranston Street, Cranston, RI 02920 Telephone: (401) 942-8000 FAX: (401) 942-2360.

TACO (Canada), Ltd., 6180 Ordan Drive, Mississauga, Ontario L5T 2B3. Telephone: 905/564-9422. FAX: 905/564-9436.

Visit our web site at: http://www.taco-hvac.com

Printed in USA

TACO, Inc.

Program ON/OFF h m Day(s)

1On7AM 00 Mon., Tue., Wed., Thurs., Fri.

2Off8AM 00 Mon., Tue., Wed., Thurs., Fri.

3On8AM 00 Saturday and Sunday

4Off9AM 00 Saturday and Sunday

PNP Digital Timer Program Schedules (Example)

TIMER

BLACK

WHITE

YELLOW

NEUT. WHITE

YELLOW MOTOR LEAD

WHITE MOTOR LEAD

GND

SCREW

PUMP

LINE BLACK

WHITE

BLACK

AQUASTAT

5 4 3 2 1

TIMER

BLACK

WHITE

YELLOW

NEUT. WHITE

YELLOW MOTOR LEAD

WHITE MOTOR LEAD

GND

SCREW

PUMP

LINE BLACK

5 4 3 2 1

BLACK WHITE

NEUT. WHITE MOTOR LEAD

YELLOW MOTOR LEAD

GND

SCREW

PUMP

LINE BLACK

AQUASTAT

THREADED PIPE

LOCKNUT SPACER

RING

PUMP TERMINAL BOX

PUMP

TIMER MODULE BACK

Timer and Aquastat Wiring Diagram

Timer Only Wiring Diagram

Aquastat Only Wiring Diagram

Timer Installation Diagram

(006 Circulator Shown)

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