Lux Products Smart Temp P722U Installation And Operating Instructions Manual Download | Manualshive

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background image

X

W1

4

W

B*

A

RH

V

R

W1

A

Y2

O

B

W2

C

G

Y1

RC

RH

HOT WATER HEATING ONLY

(WITH A 3-WIRE ZONE VALVE)

Factory RH-RC Jumper Wire Installed

#2

C

SYSTEM 24V

TRANSFORMER

SYSTEM COMMON

OPEN = Heat On
CLOSE = Heat Off

3-WIRE ZONE VALVE

OPEN

CLOSE

3, 4 WIRES

NOTE: THE BLACK TERMINAL LETTERS ARE TYPICAL, GRAY TERMINAL LETTERS ARE BRAND SPECIFIC

O
P

T

I

O
N
A

L

9

«
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7
8
9
10
11
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Summary of Contents for Smart Temp P722U

Page 1: ... DAY PROGRAMMABLE THERMOSTAT FOR BOTH CONVENTIONAL AND HEAT PUMP SYSTEMS INSTALLATION AND OPERATING INSTRUCTIONS IMPORTANT Please read all of these instructions carefully before beginning installation Label every wire terminal designation on your existing thermostat wiring before removing your old thermostat Ignore the color of the wires since they may not comply with any standard Please connect w...

Page 2: ... Amps per terminal with a maximum total combined load of 3 0A for all terminals combined COMPATIBLE WITH Most 24 volt heating and cooling systems 1 or 2 stage Heat 1 or 2 stage Cool Gas Oil or Electric systems 1 or 2 stage Heat 1 or 2 stage Cool Heat Pump systems 3 wire hydronic hot water zone valves Gas Millivolt heaters NOT COMPATIBLE WITH 120 240 VAC line voltage systems without a transformer a...

Page 3: ...ble keypad lockout for unauthorized users Manual temperature hold Adjustable vacation hold 1 to 30 days Temporary temperature override Adjustable temperature differential cycle rate Adjustable 2nd heat stage Offset setting User temperature calibration Adjustable heat cool set temperature limit stops Smart recovery Dual powered battery and or 24 volt system powered Battery free memory storage F C t...

Page 4: ... or construction work is still ongoing cover the thermostat completely or wait until this work is complete before installation WARNING All wiring must conform to the local codes and ordinances that are in your particular location 1 Turn OFF the electricity to all heating and cooling components Do not turn the electricity back on until all work is completed 2 Remove the front portion of your old th...

Page 5: ...s holes cannot be used hold the thermostat base against the wall so that it appears straight and level position the base for best appearance and mark for the new screw holes Attach the base to the wall using the screws provided use the supplied plastic anchors if needed when mounting to a soft material such as drywall CONNECTING THE WIRES When attaching the wires to the thermostat please ensure th...

Page 6: ...m using the System Common wire This can be used alone or in addition to installing batteries as a backup NOTE connecting the System Common wire to the thermostat is not necessary for heating and cooling to function properly If your old thermostat has both a Y and C wire both present then C is most likely a System Common wire For Heat Pump systems you will use either the O terminal or the B termina...

Page 7: ...CONVENTIONAL HEATING AND COOLING 11 1 STAGE 4 5 WIRES 5 CONVENTIONAL HEATING AND COOLING 12 1 STAGE OR 2 STAGE 4 5 6 7 WIRES 6 CONVENTIONAL HEATING AND COOLING 13 TWO TRANSFORMERS 5 6 WIRES 7 HEAT PUMP HEATING AND COOLING 14 SINGLE STAGE ONLY 4 5 WIRES 8 HEAT PUMP HEATING AND COOLING 15 WITH AUX EMERGENCY HEAT 5 6 WIRES DIAGRAM SYSTEM TYPE DESCRIPTION PAGE WIRING DIAGRAMS ...

Page 8: ... MILLIVOLT 2 WIRE HEAT USE RH W1 Factory RH RC Jumper Wire Installed 1 2 3 4 5 WIRES C HEATER STAGE 1 STAGE 2 FAN SYSTEM 24V TRANSFORMER SYSTEM COMMON FAN WIRE MAY NOT BE PRESENT IN ALL SYSTEMS NOTE THE BLACK TERMINAL LETTERS ARE TYPICAL GRAY TERMINAL LETTERS ARE BRAND SPECIFIC O P T I O N A L 8 ...

Page 9: ... WITH A 3 WIRE ZONE VALVE Factory RH RC Jumper Wire Installed 2 C SYSTEM 24V TRANSFORMER SYSTEM COMMON OPEN Heat On CLOSE Heat Off 3 WIRE ZONE VALVE OPEN CLOSE 3 4 WIRES NOTE THE BLACK TERMINAL LETTERS ARE TYPICAL GRAY TERMINAL LETTERS ARE BRAND SPECIFIC O P T I O N A L 9 ...

Page 10: ...TAGE OR 2 STAGE COOLING ONLY Factory RH RC Jumper Wire Installed 3 C AIR CONDITIONER STAGE 1 STAGE 2 FAN SYSTEM 24V TRANSFORMER SYSTEM COMMON 3 4 5 WIRES NOTE THE BLACK TERMINAL LETTERS ARE TYPICAL GRAY TERMINAL LETTERS ARE BRAND SPECIFIC O P T I O N A L 10 ...

Page 11: ...NAL NON HEAT PUMP 1 STAGE HEATING AND 1 STAGE COOLING Factory RH RC Jumper Wire Installed 4 C FAN SYSTEM 24V TRANSFORMER SYSTEM COMMON HEATER AIR CONDITIONER 4 5 WIRES NOTE THE BLACK TERMINAL LETTERS ARE TYPICAL GRAY TERMINAL LETTERS ARE BRAND SPECIFIC O P T I O N A L 11 ...

Page 12: ... 2 STAGE HEATING AND 2 STAGE COOLING Factory RH RC Jumper Wire Installed 5 C HEATER STAGE 1 STAGE 2 FAN SYSTEM 24V TRANSFORMER SYSTEM COMMON AIR CONDITIONER STAGE 1 STAGE 2 4 5 6 7 WIRES NOTE THE BLACK TERMINAL LETTERS ARE TYPICAL GRAY TERMINAL LETTERS ARE BRAND SPECIFIC O P T I O N A L 12 ...

Page 13: ...D 1 STAGE COOLING WITH TWO SEPARATE 24V TRANSFORMERS Factory RH RC Jumper Wire REMOVED 6 FAN HEAT 24V TRANSFORMER COOL 24V TRANSFORMER SYSTEM COMMON HEATER AIR CONDITIONER 5 6 WIRES NOTE THE BLACK TERMINAL LETTERS ARE TYPICAL GRAY TERMINAL LETTERS ARE BRAND SPECIFIC O P T I O N A L 13 ...

Page 14: ...MERGENCY HEAT Factory RH RC Jumper Wire Installed CUSTOMER INSTALLED Y1 W1 Jumper Wire 7 C FAN SYSTEM 24V TRANSFORMER REVERSING VALVE SYSTEM COMMON HEAT PUMP 4 5 WIRES NOTE THE BLACK TERMINAL LETTERS ARE TYPICAL GRAY TERMINAL LETTERS ARE BRAND SPECIFIC O P T I O N A L Use O or B Terminals Never Both 14 ...

Page 15: ...ERGENCY HEAT 8 FAN SYSTEM 24V TRANSFORMER REVERSING VALVE AUX EMERG HEAT SYSTEM COMMON HEAT PUMP 5 6 WIRES NOTE THE BLACK TERMINAL LETTERS ARE TYPICAL GRAY TERMINAL LETTERS ARE BRAND SPECIFIC O P T I O N A L Use O or B Terminals Never Both Factory RH RC Jumper Wire Installed CUSTOMER INSTALLED Y1 W1 Jumper Wire 15 ...

Page 16: ... describes the available choices for each option switch SWITCH 1 SYSTEM OFF DOWN FURN default This setting is used for the majority of all heating systems that are not heat pumps Examples for this setting would be natural gas furnace hot water baseboard heat and oil heat ON UP HP Use this setting if you have a heat pump unit which looks just like an outside air conditioning unit but is used for bo...

Page 17: ...sets the minimum length of time that Heat or Cool must remain either On or Off before it will automatically switch to the alternate On or Off state This internal delay prevents rapid cycling of your system and provides equipment protection particularly for cooling units The 5 minute setting is fine for most applications ON UP 2 MIN If you feel that your system may need to cycle more frequently tha...

Page 18: ...hardware options are set install two new Energizer or DURACELL AA size alkaline batteries Ensure that the batteries are installed in the proper direction as per the markings shown in the battery tray If the batteries were already installed before changing the hardware setup options change the position of the HEAT OFF COOL System Mode switch to accept the new hardware option switch settings These i...

Page 19: ...BUTTONS The UP and DOWN buttons are used to adjust any item that can be changed by the user Examples are the set temperatures clock times and days of the week In many cases an item may be flashing if it can currently be adjusted HOLD BUTTON This button activates and deactivates the manual Temperature Hold feature and is also used for activating and deactivating the Special Program feature These fe...

Page 20: ...the RUN position one single press of the COPY EMER button will activate Emergency Heat mode A single press again will end Emergency Heat mode and return back to normal Heat mode While in Emergency Heat mode the word EMER will also be shown in the middle portion of the display screen If a power loss occurs while in Emergency Heat mode the thermostat will continue to remain in Emergency Heat mode ev...

Page 21: ...to prevent heating or cooling system damage which can occur from very frequent cycling If heating or cooling does not turn on right away with a manual change in set temperature please wait at least 5 minutes and the system should resume normal operation TEMPERATURE HOLD A Temperature Hold is used for maintaining a fixed set temperature Once a Hold is initiated the thermostat will maintain the set ...

Page 22: ...MORN period start time flashing Perform the same steps that you used for setting the Monday periods pressing the NEXT button to advance through each flashing value Return the Set Slide switch to the RUN position when you are finished PROGRAM COPY FEATURE The Copy feature allows you to copy all of the program information from any one single day to any other day of the week To copy heat programs the...

Page 23: ...l mode NOTE The Swing and Offset settings need to be performed in a timely manner as the thermostat will timeout and automatically exit these adjustment screens after approximately 10 seconds without a button press TO CHANGE THE SWING SETTING Ensure that the System Mode switch is in the OFF position and the Set Slide switch is in the RUN position Press and hold the HOLD button for at least 5 secon...

Page 24: ... stage to turn on This setting can be used to conserve energy in situations where the second heating stage is more costly to operate when compared to the first stage 70 F Set Temperature 71 DEGREES F Only applies if a second heat stage is present 70 69 68 67 66 65 Swing Setting 2 0 5 F Cut In Cut Out 1st Stage 2nd Stage Cut In Cut Out Offset Setting 4 F degrees 24 ...

Page 25: ...ault value and means no correction is being applied Press the NEXT button to accept the setting SETBACK FEATURE The setback feature is similar to both a Temperature Override and a Temperature Hold in that both are used to maintain a fixed set temperature instead of following a programmed daily routine A Setback can be considered the same as a Temperature Override which can last for a longer durati...

Page 26: ...ut short This feature eliminates the need to temporarily alter the normal temperature program settings that continue to be used most of the time The heat Special Program is set in HEAT mode and the cool Special Program is set in COOL mode The number of days remaining counter decrements by one day every 12 00 AM Midnight NOTE Just like the regular temperature programs The Special Program has 4 sepa...

Page 27: ...forming normal actions like Temperature Override or Hold The Heat Limit Stop prevents the set temperature from being adjusted higher than the heat limit setting The Cool Limit Stop prevents the set temperature from being adjusted lower than the cool limit setting Each of these temperature stops is user adjustable in one degree increments and these settings are protected by a selectable 2 digit cod...

Page 28: ...l Run screen in cool mode TO CHANGE THE TEMPERATURE STOP LOCK CODE Place the System Mode switch in the OFF position and the Set Slide switch in the RUN position Press and hold the NEXT button for at least 5 seconds The words CODE and T STOP will appear at the top of the screen along with two digits Use the UP DOWN buttons to choose a new 2 digit code between 00 and 99 Press the NEXT button to acce...

Page 29: ...D LOCK CODE The following steps can regain access to the thermostat Place the Set Slide switch in the RUN position On the back of the thermostat s circuit board press and hold the HW RST Hardware Reset button for 2 seconds and release The thermostat will perform a reset and should now be unlocked If the thermostat is still locked with the padlock present perform the To Unlock The Keypad shown abov...

Page 30: ...e timer was reset TO VIEW THE HEAT USAGE TIMERS Place the System Mode switch in the OFF position and the Set Slide switch in the FILT ENRGY position Press and hold the NEXT button while sliding the System Mode switch from OFF to HEAT The words TODAY USAGE will appear at the top of the screen along with the word HEAT and the amount of heating system runtime displayed as HH MM for hours and minutes ...

Page 31: ...to become fully populated the heating and cooling load relays to cycle off read the position of the Hardware Setup Option switches and will perform an internal system check of the thermostat components If your thermostat appears to be acting in an erratic manner pressing the Hardware Reset button may remedy this behavior The temperature programs are not erased when a hardware reset is performed ho...

Page 32: ...splay screen The batteries are located on the back of the thermostat at the top of the circuit board The front portion of the thermostat can be removed from the back half by pulling straight outwards on the top and bottom of the thermostat housing at the large indentations that are present in the center of the top and bottom edges When installing new batteries we recommend using only brand new Ene...

Page 33: ...o the location from which the purchase was made along with proof of purchase Please refer to TECHNICAL ASSISTANCE before returning thermostat Purchaser assumes all risks and liability for incidental and consequential damage resulting from 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 ...

Page 34: ...Mt Laurel New Jersey 08054 USA http www luxproducts com 856 234 8803 34 SETBACK HOLD SET HEAT FAN F 5 36P F ...

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