Marley TH110A-DP-P Programmable Thermostat
SUMMARY
OPTIONS SELECTION
At the back of the thermostat, there are 3 selection switches to set at your preferences. The temperature in °C or °F, time in 12 or 24 hours, and Early Start function.
TO SET TIME AND DAY
Press on DAY, HOUR and MIN buttons to adjust time and day.
TO RECORD THE (COMFORT) SETPOINT TEMPERATURE
Select chosen setpoint temperature by using button. Press on button (2 to 3 seconds) until icon appears on display.
TO RECORD THE (ECONOMY) SETPOINT TEMPERATURE
Select chosen setpoint temperature by using the button. Press on button (2 to 3 seconds) until icon appears on display.
TO RECORD THE (VACATION) SETPOINT TEMPERATURE
To program the Vacation temperature, select the desired degree using the buttons and press on
the and
buttons simultaneously until the icon is displayed (app. 3 seconds).
OPERATING MODES
- To select an operating mode, use the MODE button.
- AUTO: Runs the program.
shows temperature settings and can override temporarily your programming up to the next program.
- MAN: Maintains the selected temperature.
changes the temperature setting.
INSTALLATION
NOTE: The “Problems and Solutions” section at the end of this user’s guide will help you to correct your problems during the installation. This thermostat has been designed to operate with any installation which has a RESISTIVE load not exceeding 4000 W (16.67 A) @ 240 VAC such as electric baseboards, radiant ceilings and floors, electric con vectors, etc. It is not compatible with a low voltage controller used by a central heating system. Electricians or experienced technicians should install the thermostat. This thermostat is designed to be used with a self-protected heating system equipped with thermal cut off and circuit breaker.
PARTS INCLUDED
- One (1) TH110A-DP-P (240 VAC) thermostat
- Two (2) 6-32 screws
- Four (4) solderless connectors (for copper wire)
- TURN OFF POWER OF THE HEATING SYSTEM AT THE MAIN POWER
- PANEL TO AVOID ELECTRICAL SHOCK. Keep air vents of the thermostat clean and free from obstructions
Power-up
- To power up thermostat:
- Set the On/Off switch to On.
- When power is applied for the first time, the display must show the time 00:00, the room temperature and the Manual mode icon (
).
- Other information might show up on the display if installation is defective or does not comply with the instructions.
Note: The On/Off switch set to Off will place the thermostat in sleep mode. Ideal for summertime.
Connecting wires and mounting thermostat
Connect the rear thermostat wires to the 240 V LINE and to the load using solderless connectors for copper wires. See schematic diagram. Push the excess wire back into the electrical box to prevent interference with the thermostat. Secure the thermostat using two (2) 6-32 screws. Once the thermostat is properly installed, return power to heating system.
OPERATING MODES
The TH110A-DP-P has two (2) operating modes.
MANUAL ( )
This mode allows you to maintain a constant temperature in the room.
- To activate this mode, press on Mode button to display th
e icon.
- Set the desired temperature using the
buttons or select the pre-programmed
or
or
settings.
- (To select the
setting, press on
and
simultaneously.)
AUTOMATIC ( )
- This mode executes your own programming.
- To activate this mode, press on Mode button to display the icon.
- The or icon indicates which temperature setting is used. Also, the icon of the program number will be shown.
Memory back-up
In the event of a power failure, an internal circuit will maintain the programming and the time. But only the time could have to be set if power failure is more than 2 hours.
Early Start function
The thermostat is providing a built-in function enabling it to calculate the optimum time to start the heating system to achieve the desired temperature setting at the programmed time. This function could start the heating system as early as 6 hours prior to the programmed time. To enable this function, set the switch E.S. to “ON” at the back of the thermostat
PROGRAMMING
Programming the time and day
- Set the time using the Hour and Min buttons.
- Set the day using the Day button.
Programming the Comfort, Economy and Vacation settings
The Comfort, Economy
and Vacation
settings respectively represent the temperatures that you wish to have during the day
, at night or while you are away at work
, or while you are away for an extended period
To program your settings
- To program the Comfort temperature, select the desired degree using the buttons
and press the
button until the
icon is displayed (app. 3 seconds).
- To program the Economy temperature, select the desired degree using the buttons
and press the
button until the
icon is displayed (app. 3 seconds).
- To program the Vacation temperature, select the desired degree using the
buttons and press on
the and
buttons simultaneously until the
icon is displayed (app. 3 seconds).
- Press the Mode button to exit this function and return to the normal operating mode.
Schedule programming
The TH110A-DP-P allows 4 setting changes for each day of the week. There are no pre-set programs.The programs are tailored to perfectly adapt to your life style. The principle is very simple. For each day, enter the time at which you wake up (P1), the time you leave for work (P2), the time you arrive back home (P3) and the time you go to bed (P4).
Program | Mode | Time |
1 | ![]() |
Wake-up time |
2 | ![]() |
Leaving time |
3 | ![]() |
Return time |
4 | ![]() |
Bed time |
To Program your Schedule
- Press on PGM button to access the programming mode.
- Press on Day button to select the day to be programmed. You can select all days of the week by pressing on Day button for 3 seconds.
- Press on PGM button to select program 1, 2, 3 or 4.
- Press on Hour and Min buttons to program the time.
- When you have completed your programming, press on Mode button to exit this function.
To Erase a Program :
Select the program using PGM and Day buttons, and press on Clear button. The time field displays –:– when the program is inactive
Example 1 : Comfort period from 7:00 AM to 10:30 PM Economy period from 10:30 PM to 7:00 AM
Identical schedule for all days of the week.
- Press on PGM button to access the programming mode.
- Press on Day button 3 seconds to select every day of the week.
- Press on Hour button to enter 7:00 AM, Prog. 1 (
).
- Press on PGM button again to select Prog. 2 (
), and press on Hour and Min buttons to enter 10:30 PM.
- Press on Mode button to exit this function.
Example 2 : Comfort period: Monday to Friday from 6:15 AM to 8:15 AM and from 5:00 PM to 10:00 PM. Saturday & Sunday from 7:30 AM to 11:00 PM.3
Schedule/Day | MON. | TUES. | WED. | THU. | FRI. | SAT. | SUN. |
PROG. 1 | 6:15 AM | 6:15 AM | 6:15 AM | 6:15 AM | 6:15 AM | 7:30 AM | 7:30 AM |
PROG. 2 | 8:15 AM | 8:15 AM | 8:15 AM | 8:15 AM | 8:15 AM | — | — |
PROG. 3 | 5 PM | 5 PM | 5 PM | 5 PM | 5 PM | — | — |
PROG. 4 | 10 PM | 10 PM | 10 PM | 10 PM | 10 PM | 11 PM | 11 PM |
- Press on PGM button to access the programming mode.
- Press on Day button 3 seconds to select every day of the week.
- Press on Hour and Min buttons to enter 6:15 AM, Prog. 1 (
).
- Press on PGM button to select Prog. 2 (
) and Hour and Min buttons to enter 8:15 AM.
- Repeat step 4 to enter Prog. 3 (5:00 PM) and Prog. 4 (10:00 PM).
To modify the Saturday and Sunday schedules:
- Press on Day button until SA or SU is displayed.
- Press on PGM button to select Prog. 1 (
) and Hour and Min buttons to enter 7:30 AM.
- Press on PGM button to select Prog. 2 (
) and then Clear button to erase it.
- Press on PGM button to select Prog. 3 (
) and then Clear button to erase it.
- Press on PGM button to select Prog. 4 (
) and then Hour and Min buttons to enter 11:00 PM.
- Press on Mode button to exit this function.
Temporary or permanent temperature bypass
This operation allows you to temporarily modify the room temperature while you are in the Automatic mode. Simply press on button to select the desired temperature,
the
button to select the Comfort or Econo settings you have programmed.This temperature will be maintained until the beginning of the next programmed schedule. You can also switch to the Vacation setting for a prolonged absence by pressing on
and
at the same time.The display will show icon
. In that case, the derogation is permanent. To return to the normal operating mode, press on
Mode button.
If you wish to immediately return to the programmed settings, press on Mode button twice.
CHARACTERISTICS
- Model: TH110A-DP-P (240 VAC)
- Supply: 240 VAC, 50/60 Hz
- Load: 16.67 A maximum (resistive only)
- Power: 4000 watts (NI) @ 240 VAC
- Approvals: CSA / UL
- Display range: 0 to 60 °C (32 to 140 °F)
- Setting range: 5 to 30 °C (40 to 85 °F)
- Comfort default setting: 20 °C (68 °F)
- Econo default setting: 18 °C (64 °F)
- Vacation default setting: 10 °C (50 °F)
- Storage: -20 to 50 °C (-4 to 120 °F)
WARRANTY
All products manufactured by Marley Engineered Products are warranted against defects in workmanship and materials for one year from date of original installation or 18 months from the date of manufacture, except special components as noted below which are warranted against defects in workmanship and materials (see medallion levels below) from date of installation. This warranty does not apply to damage from accident, misuse or alteration; nor where the connected voltage is more than 5% above the nameplates voltage; nor to equipment improperly installed or wired or maintained in violation of the products installation instructions. All claims for warranty work must be accompanied by proof of the installation or purchase. The customer shall be responsible for all costs incurred in the removal or reinstallation of products, including labor costs and shipping costs incurred to return products to the Marley Engineered Products Service Center. Within the limitations of this warranty, inoperative units should be returned to the nearest Marley authorized service center or the Marley Engineered Products Service Center and we will repair or replace, at our option, at no charge to you with return freight paid by Marley. It is agreed that such repair or replacement is the exclusive remedy available from Marley Engineered Products. If the product requires replacement, but an identical model is no longer available, Marley Engineered Products will select a comparable item. the above warranties are in lieu of all other warranties expressed or implied and all implied warranties of merchantability and fitness for a particular purpose that exceed the aforesaid expressed warranties are hereby disclaimed and excluded from this agreement. Marley engineered products shall not be liable for consequential damages arising with respect to the product, whether based upon negligence, tort, strict liability or contract. Some states do not allow the exclusion or limitation of incidental or consequential damages, so the above exclusion or limitation may not apply to you. This warranty gives you specific legal rights and you may also have other rights which vary from state to state. For the address of your nearest authorized service center, contact Marley Engineered Products in Bennettsville, SC, at 1-800-642-4328. Merchandise returned to the factory must be accompanied by a return authorization and service identification tag, both available from Marley Engineered Products. When requesting return authorization, include all numbers shown on the products.
PROBLEMS AND SOLUTIONS
No display | • Circuit breaker is open
• Power failure • The thermostat switch is in Off position |
• Check 240 VAC presence at the thermostat
• Put the switch in On position |
The thermostat is loosing
the time but not the programming |
• Power failure more than 2 hours | |
Room temperature shown is wrong | • A draft is nearby the thermostat | • Eliminate the draft |
Heating system always on | • Bad installation | • Check installation |
The thermostat displays heating
but heating system is not turned on |
• Bad installation | • Check installation
• Check 240 VAC presence at the heating system |
Programs do not change as you want | • Incorrect programming hours
• Wrong programming mode selected |
• Check actual time in AM & PM as well as program times
(AM is not displayed) • Make sure the operating mode is set to AUTO |
REFERENCE:
DOWNLOAD MANUALS:
Marley TH110A-DP-P Programmable Thermostat Installation Instruction
Marley TH110A-DP-P Programmable Thermostat Installation Instruction
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