LuxPro PSPH521 SERIES Programmable Thermostat User Manual

LuxPro PSPH521 SERIES Programmable Thermostat User Manual

IMPORTANT!
Thank you for your confidence in our product. To obtain the best results from your investment, please read these instructions and acquaint yourself with your purchase before installing your new thermostat. Then follow the installation procedures, one step at a time. This will save you time and minimize the chance of damaging the thermostat and the systems it controls. These instructions may contain information beyond that required for your particular installation. Please save for future reference.

FEATURES

• The Unit can be used with most two-stage heat and one-stage cool heat pump systems. It cannot be used with 120-volt heating systems. Ask your dealer for other LUX thermostats to control those systems.
• The Unit is programmable. There are four programming periods per day. Each period can be programmed separately.
• You can use the built-in time/temperature programs, or alter them to suit your schedule. The Unit provides separate programs for weekdays and weekends – for both heating and cooling. You can override the programmed temperatures for as little as one programming period or for an entire vacation.
• In cool weather, when the system switch is set to HEAT, the Unit will maintain cooler “set back” room temperatures to save energy. It will then change to warmer “comfort” settings — all automatically, at specified times during the day.
• In warm weather, when the system switch is set to COOL, the Unit will maintain warmer “set back” room temperatures to save energy. It will then change to cooler “comfort” settings – all automatically, at specified times during the day.
• A large liquid crystal display shows the time, day of the week, and room and set temperatures. It will remind you when the filter should be changed in your blower and track your system’s energy usage.
• Temperature swing adjustment lets you fine-tune your system for maximum comfort and economy.
• A 4-minute minimum on/off time in COOL prevents your air conditioning system from being damaged.
• The thermostat can be powered either by a common wire from the 24Vac transformer with two Energizer® or DURACELL® “AA” size alkaline batteries as backup or exclusively by two Energizer® or DURACELL® “AA” size alkaline batteries.

CAUTION

• Your thermostat is a precision instrument. Please handle it with care.
• Turn off the electricity to the appliance before installing or servicing the thermostat or any part of the system. Do not turn the electricity back on until work is completed.
• Do not short (jumper) across electric terminals at the control on the furnace or air conditioner to test the system. This will damage the thermostat and void your warranty.
• All wiring must conform to local codes and ordinances.
• This thermostat is designed for use with 24-volt and millivolt systems. The thermostat should be limited to a maximum of 1.0 amps; higher amperage may cause damage to the thermostat. If you are in doubt, call your utility company.

INSTALLATION

Please read all instructions carefully before beginning installation.

TOOLS REQUIRED
#1 Phillips screwdriver (small) Drill with 3/16-in. (4.8mm) bit.

THERMOSTAT LOCATION
On replacement installations, mount the new thermostat in place of the old one unless the conditions listed below suggest otherwise. On new installations, follow the guidelines listed below.

1. Locate the thermostat on an inside wall, about 5 ft. (1.5m) above the floor, and in a room that is used often.
2. Do not install it where there are unusual heating conditions, such as: in direct sunlight; near a lamp, radio, television, radiator, register, or fireplace; near hot water pipes in a wall; near a stove on the other side of a wall.
3. Do not locate in unusual cooling conditions, such as: on a wall separating an unheated room; or in a draft from a stairwell, door, or window.
4. Do not locate in a damp area. This can lead to corrosion that will shorten thermostat life.
5. Do not locate where air circulation is poor, such as: in a corner an alcove; or behind an open door.
6. Do not install the unit until all construction work and painting has been completed.
7. This thermostat does not require leveling.

REMOVING THE OLD THERMOSTAT

Switch electricity to the furnace and air conditioner OFF; then proceed with the following steps.

1. Remove the cover from the old thermostat. Most are snap-on types and simply pull off. Some have locking screws on the side. These must be loosened.
2. Note the letters printed near the terminals. Attach labels (enclosed) to each wire for identification. Remove and label wires one at a time. Make sure the wires do not fall back inside the wall.
3. Loosen all screws on the old thermostat and remove it from the wall.

MOUNTING THE UNIT ON THE WALL

1. Strip insulation 3/8 in. (9.5mm) from wire ends and clean off any corrosion.
2. Fill wall openings with non-combustible insulation to prevent drafts from affecting the thermostat.
3. Press the button on the bottom of the thermostat and swing the body away from the base and up to remove the body from the base.

Attaching Wires

Hold the base against the wall, with the wires coming through wherever it is convenient for wiring. Route the wires to below the terminal block. Position the base for the best appearance (to hide any marks from an old thermostat). Attach the base to the wall with the two screws provided.

TERMINAL DESIGNATIONS

NOTE: A typical hookup will require either a “B” or “O” wire, but not both. If you have both a “B” and “O” wire, please call technical service.

TYPICAL HOOKUP

SETTING THE FAN AND SYSTEM SWITCHES

INSTALLING BATTERIES

The Unit requires batteries to retain its programming in memory. Replace the batteries when the REPLACE indicator appears in the display or at least once a year.

1. Remove fresh batteries from their carton.
2. Remove the body of the thermostat as described at the bottom of the first column.
3. Remove the battery clip and batteries.
4. Install two Energizer® or DURACELL® “AA” size alkaline batteries in the battery clip. Observe the polarity marking shown in the clip.
5. Place the body back on the wall. Hook the bottom of the body onto the base, swing the body up, and snap the body onto the base. Installation is now complete.

Be sure to turn the power back on to your heating and /or air conditioning system. If this is the first time you are installing batteries, the thermostat will display “SUN 12:00 AM”. Within 90 seconds the thermostat will begin to display the room temperature alternately with the time. To correct the display, see “Setting the TIME and DAY,” after you set the programs.

OPERATION

The Unit alternately displays the current time and the room temperature. It also displays the day of the week and the currently active program period that is controlling the temperature: MORN, DAY, EVE, or NIGHT. The set point temperature will appear on the right side of the display. In the winter, set the system switch to HEAT to control your heating system.

The summer, set the switch to COOL to control your air conditioner. Setting the FAN switch to AUTO automatically runs your system’s fan during heating and cooling. Setting the FAN switch to ON runs your system’s fan continuously even without heating or cooling.

THE BUILT-IN PROGRAMS 

Push in the RESET key. This sets the built-in heating and cooling programs. To review the built-in programs, press NEXT or PREVIOUS repeatedly; when you are done, press RETURN. You can use the built-in programs as shown, or change them as you wish. Each day is divided into four periods. Each period has its own starting time and temperature.

PROGRAMMING CHART

PROGRAMMING THE UNIT

You can change any preset times and/or temperatures to suit your schedules for the weekday and weekend programs. Each period (Morning, Day, Evening, and Night) is programmed for HEAT and for COOL. A blank programming chart is provided for you to record your temperature settings in that chart.

Select HEAT to program the thermostat for controlling your heater. OR Select COOL to program the thermostat for controlling your air conditioner.

Rotate the dial to SET WEEKDAY PROGRAM. To program the WEEKEND, rotate the dial to SET WEEKEND PROGRAM. With dial on set WEEKDAY Program, you will see this display.

SETTING THE TIME OF DAY

Open the drop-down door on the front of the thermostat. Rotate the dial to the SET DAY/TIME position. You should see the display pictured above with a day of the week flashing. When you are finished setting the day and time, rotate the dial to RUN to return to normal operation or to another position to continue programming.

TEMPERATURE OVERRIDE AND TEMPERATURE HOLD
These features let you change the current Set Temperature without changing the programs stored in your thermostat’s memory.

TEMPORARY TEMPERATURE OVERRIDE

Press UP/DOWN to change the current temperature setting. The OVERRIDE indicator appears on display. The Override feature will be automatically canceled at the start of the next program period. To cancel OVERRIDE prior to the next program period press UP/DOWN until the original set temperature appears. The OVERRIDE indicator will disappear from the display.

VACATION TEMPERATURE HOLD

Press HOLD. Adjust the temperature as desired with UP/DOWN. The temperature setting will not change even after the next program period begins. To clear, press HOLD again.

ADVANCED FEATURES

TEMPERATURE SWING
A thermostat works by turning your heating or cooling system on and off whenever the room temperature varies a certain number of degrees from the set-point temperature. This variation is the “swing.” Your system should cycle on about 3 to 6 times per hour. A smaller swing number increases the number of cycles, so room temperature is more constant. A larger swing number decreases the number of cycles, to save energy in most cases.

CHANGING FROM °F TO °C AND A 12HR CLOCK TO A 24HR CLOCK

WARNING:
Making these changes will require you to reset the thermostat. Copy any of your customized programs onto the chart . This will be your reference to reenter the programs afterwards.

• To change to Celsius – remove jumper -J2.
• To change to a 24HR clock – remove jumper- J1.
• Press the reset key on the front of the thermostat for changes to take effect.
• Reprogram as necessary

IMPORTANT
To protect your home from freezing in the event you have inadvertently left the unit switched OFF, or its batteries have been drained, your PSPH521 will energize the thermostat’s heating terminals as necessary to control the temperature at approximately 40°F. Please call our technical assistance department if your application requires that this feature be disabled.

TECHNICAL SERVICE
If you have any problems installing or using this thermostat, please reread the instructions carefully. Technical Service is available through our Technical Service Number. If you require assistance, please call our offices between 8:00 a.m. and 4:30 p.m. Eastern Standard Time, Monday through Friday. The number is (856) 234-8803 or visit our online technical support at www.luxproproducts.com.

WARRANTY

Limited Warranty: If this unit fails because of defects in materials or workmanship within one year of the date of original purchase, LUX will, at its option, repair or replace it. This warranty does not cover damage by accident, misuse, or failure to follow installation instructions.  Some states do not allow limitations on how long an implied warranty lasts, so the above limitation may not apply to you.

Please refer to “Technical Assistance” before returning your thermostat. Purchaser assumes all risks and liability for incidental and consequential damage resulting from the installation and use of this unit. Some states do not allow the exclusion of incidental or consequential damages, so the above exclusion 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. Applicable in the U.S.A. only.

REFERENCE LINK

https://pro.luxproducts.com/wp-content/uploads/2017/09/PSPH521L_NL_ENG_WebManual.pdf

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LuxPro PSPH521 SERIES Programmable Thermostat User Manual