Ordan TDDFM14 Manuale utente

www.maxitrol.com

OWNER’S MANUAL

TDDFM14

Table of Contents 3

Installation Features

System Selector Switches

Connecting Wires and Mounting Thermostat

Programming/Setting Clock

Personal Program Schedule

Reviewing Program Settings

Manual Override

Backlighting

Trouble Shooting Guide

Wiring Diagrams 27

Operation (Programming)

Problem Solution

1) Remove clear mylar sticker.

SCRAMBLED OR DOUBLE DISPLAY

(numbers over numbers)

NO DISPLAY 1) Check battery connections and batteries.

2) Press reset button once with a small pin

and hold in for two seconds.

ENTIRE DISPLAY DIMS 1) Replace Batteries.

PROGRAM DOES NOT CHANGE AT

YOUR DESIRED SETTING 1) Checkthattimeissetproperlyto“AM”or

“PM.”

2) Check that thermostat is not in “HOLD”

mode.

3) Check for correct day setting.

ERRATIC DISPLAY 1) Press the reset button once with a small pin

and hold in for two seconds. Then reprogram.

THERMOSTAT READS HI, LO

PERMANENTLY 1) Replace unit.

Troubleshooting

Other Features

Your thermostat comes with an

electroluminescent lamp for easy viewing

of the display in the dark. To activate press

the “light” button between the up and down

arrow keys.

12/24 Hour Clock

Backlighting

LIGHT

Press The display will remain backlit for

approximately five (5) seconds. If another

button is pushed, the five second timer will

reset, and the light will turn off five

seconds after the last button is pressed.

The 12/24 hour switch is located on the Touch Pad. Pressing the 12/24 button alternates the

clock between 12 or 24 hour (military) mode.

IMPORTANT

1Read the entire installation section of

this Owner’s Manual thoroughly before

you begin to install or operate your Maxitrol

Thermostat.

 Remove the mylar label from the display

window.

INSTALLATION

2All installation is normally performed at

your thermostat.

PROGRAMMING

3You can practice programming before

installing your thermostat by inserting

and connecting the batteries and following

the instructions on page 10.

OPERATION

4YourMaxitrolSelectorisdesignedto

operatewith DFM/DFME14systemsonly.

TEMPERATURE RANGE

5YourSelectorcanbeprogrammed

between 40°Fand150°F(5°Cand65°C).

However,it willdisplaydischargeair

temperaturefrom32°Fand159°F(0°Cand

70°C).

BATTERY WARNING

6When the batteries are low, the “LOW

BATT” indicator on the display will flash.

Whenthishappens,installnewbatteries

immediately. Once the “LOW BATT”

indicator appears, the thermostat will

continue to operate for approximately 30

days. (Only alkaline batteries should be

used in your thermostat. Rechargeable

batteries have different properties which

may cause the thermostat to not operate

properly. Do not use old batteries.) The

batteries should last one year.

Read This Before Installing Thermostat

Programming

CAUTION: The batteries are the only source of power used to

operate your thermostat. If you do not replace the batteries, the

display will dim and your system will operate on the last

programmed temperature or the factory default.

NOTE: If you plan to be away from the premises more than 30

days, we recommend that you replace the old batteries with new

alkaline batteries prior to leaving.

Permanent Manual Override

SET TEMP HOLDTEMP

SA 2

TEMP

HOLD

CLEAR

HOLD

CLEAR

In the event you wish to hold

your manual override for

vacation or just an extended

period of time, follow the

temporary manual

override instructions on

page 23, then immediately press

HOLD/CLEAR.

This will maintain override

setting indefinitely. “HOLD” will

appear on the display.

To return immediately to the current

program, press HOLD/CLEAR until

program number

appears. “HOLD” will

disappear if you were in

permanent manual override.

(*From temporary or permanent manual

override state)

NOTE: You can also return the current

program by pressing “HOLD TEMP”

once in permanent override mode.



To Return To Program*

55 72

9:15 55

HOLD

CLEAR

HOLD

CLEAR

70 60

Temporary Manual Override

Press arrow to display

current set and room

temperatures.

Continue pressing arrow.

After 2 seconds, the set

temperature digits will

blink and begin to

increase until the button is

released at the desired

setting (in this case 70°F)

Program number flashes.

Press return or in 10

seconds it will return to

showing current time and

temperature.

In the following example, the present room temperature is 60°F and we want to raise the

temperature to 70°F temporarily until the next program.

Yourthermostatisnowinmanualoverride

modeto70°Funtilthenextprogram.Indicator

numberflashesuntilthenextprogramtime

comesintoeffect.

To display a manual override setting, press

either arrow for less than 2 seconds.

When arrow is released, the display will

show current time and temperature.

SET TEMP TEMP



68 60

Features

LIGHT

1 OFF 2

Battery door for easy access.

Display shows time, day, temperature, program number,

hold, usage and low battery indicator.

Display backlight for viewing in the dark.

Reset button for resetting

computer back to

12:00A.M. and clearing all

programs.

Manualswitches

CustomerAuxiliarySwitch

Manual switches for F°/C°

TEMP

88:88 88

F C

Individual

pushbuttons for

raising or lowering

temperature settings.

Soft touch programming

buttons (see below)

M T W TH F SA SU

AM 123

SET TEMP HOLD

LOBAT

For entering minute of day.

For entering

hour of day.

For reviewing

and changing

weekday or

weekend

programs

Picks the

day/days

for

programs

Automatically

programs thermostat

for weekday and

weekend program

settings.

HOUR MIN

PROG AUTO

PROGRAM 12/24HRS

PROG

DAY HOLD/

CLEAR RETURN

Changes

the clock

into 12 or

24 hour

(military)

mode.

Returns display

to current time

and temperature.

For entering day of week.

DAY

To Review the Current Temperature Setting:



Current time and temperature.



70 indicates the current setting

of the thermostat is 70°F. 68

shows the present room

temperature as 68°F.

If held for more than 2 seconds,

you will manually override your

present temperature to a new

setting as explained below.

TEMP

SET TEMP TEMP

Press

for 2

seconds

or less:

Manual Override of Program

If You Want to Change the Temperature Without Affecting Your

Program:

Press and hold

to raise

temperature.

Press and hold

to lower

temperature.

The new temperature will hold until the next program time is reached.

9:15 72

70 68

Programming

Provides permanent

temperature setting by

overriding stored programs.

Also, clears manual override

and returns to current program.

This thermostat comes with two #8 slotted screws and two wall anchors for mounting. To

install your unit, you should have the following tools and materials.

 Small slotted screwdriver

 Hammer

 Electric drill and 3/16” bit

 Two 1.5V (AA) Size Alkaline batteries

What You Need

Reviewing Programs

TEMP

PROG 



You may want to review the programs to see that the settings are correct.

Continue pressing to review programs.

Normal display of current time,

temperature, and day of week.



1st weekday program is displayed.

Program indicator (1) appears.

M to F indication appears.

PROG

NOTE: The temperatures you have entered will NOT take effect immediately, but at the

next program time change. The thermostat is pre-set to 68°F.

If you want a temperature other than 68°F, you must use the manual override feature

described below to enter the temperature you want. When your entered program

becomes effective, the corresponding program number will appear on the display.

After programming, confirm the new programs by pressing

If you are programming the thermostat while it is disconnected from the system, move the

customer choice switch to the off position before reinstalling the thermostat.

PROG

M T W TH F 1

9:15 72

6:00 68

Weekday

Programs

Installation

Programming

Snap open the wallplate from your thermostat by pressing the release tab on the bottom of

the thermostat.

Position wallplate on wall and pull wire with RJ45 connector and any additional wires through

large opening. Then level for appearance. Mark holes for plastic anchors provided.

Drill holes with 3/16” bit and gently tap anchors into the holes until flush with wall.

Reposition wallplate to wall, pulling wires through large opening. Insert mounting screws

provided into wall anchor and tighten. (See Figure 1.)

Mount Wallplate & Thermostat

Figure 1

PROG

DAY

PROG

DAY

Similarly

T is selected.



W is selected.



Display the day to be programmed and use

HOUR MIN

PROG to enter programs.

NOTE: Another approach to programming is to first program all weekdays M

through F and SA and SU as same programs. Then, display and change the

programs of only those days which will have different programs.

NOTE: If program time remains 0:00, that particular program will not be

effective; e.g., if Program #2 has time 0:00, the thermostat will jump from

Program #1 to Program #3.

Individual Day Programming (Continued)

PROG

SA and SU will have same

program.

M is selected, program for M only.



Individual Day Programming

To program for each individual day separately by a different set of programs, first select day

by displaying the day of program, then insert the desired times and temperatures.

Press Display Reads

PROG

DAY

M T W TH F M to F are selected. M to F will

have same programs.



PROG

DAY

SA SU

PROG

DAY

HOUR MIN

Use to enter programs

for Monday.

The °F/°C selector switch is located on the front.

Selector Switches

°F/°C selector (Fahrenheit/Centigrade)

Your thermostat is set for °F mode from the factory. In order to change to °C mode,

slide the switch to °C.

Connect Wires & Mount Thermostat Cover to Wall Plate

Insert RJ45 Connector.

If remote temperature sensor is used: remove existing RTD Sensor from Terminals 1 & 2 and

replace with remote temperature sensor wires.

Be sure to tighten the terminal screws securely, otherwise a loose wire could cause

operational problems with your system or thermostat.

Push excess wire back into hole to prevent interference with mounting of the thermostat cover.

Customer Choice switches are accessed through terminals 3, 4 & 5. Switch #1 is accessed

through terminals 3 & 4. Switch #2 is accessed through terminals 4 & 5, with terminal #4 being

common.

Insert the bottom tab on the thermostat body into the slot at the bottom of the wallplate. Press

top of the thermostat body to snap it into the wallplate. (NOTE: Do not force the thermostat

onto the wallplate, as the terminal pins may be damaged. If it does not snap properly,

the thermostat may not work.)

Insert the two AA size batteries, observing the polarity marked on the unit.



Installation 10

Figure 3

PROG

Programming

Press once to change

temperature to 69°F.

Step 4 

Press Display Reads

M T W TH F 1

HOUR

SASU

Weekday program 1 is complete.



Press PROG to move to

program 2, 3, and 4 and follow

the same steps.



Use MIN to insert or change time and

temperatures of other programs.

PROG

DAY

Selects weekend days SA, SU

for same set of 2 programs

each weekend day.



Follow steps 2-4 to enter

programs.



Continue

for

Weekend

Programs

Similar to weekday programming.

to insert weekend programs.

HOUR MIN

6:00 69

Programming Your Thermostat (Continued)

The LCD display indicates the current

room temperature. If it shows random

numbers or partial digits, press the

reset button.

The installation is now complete.

Continue reading Owner’s Manual for

complete operating instructions.



Figure 2

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