Wireless Thermostat Owners Manual
Contents
1. Description Heat Pump No Aux or Emergency Heat Yes Heat Pump with Aux or Emergency Heat Yes Standard Heat amp Cooling Systems Yes Two Stage Heat amp Two Stage Cool Yes Standard Heat Only Systems Yes Millivolt Heat Only Systems Floor or Wall Yes Furnaces Standard Central Air Conditioning Yes Gas or Oil Heat Yes Electric Furnace Yes Hydronic Hot Water Zone Heat 2 Wires Yes Hydronic Hot Water Zone Heat 3 Wires No This Thermostat will NOT control 110 220Volt systems POWER SUPPLY The A3900 Series Controller shall be powered by 24 VAC MATCHING The thermostat and controller will work only when they are match successful and realize 1 1 control Step 1 Controller Power on the controller press the match key for less than one second The key is on the right side of the controller don t press the key long The controller will receive the register matching data from the thermostat user should finish registration in 1 minute if the controller haven t received the matching dictate in 1 minute the controller matching data will come back to the data of last time automatically Step 2 Thermostat Press MODE key to OFF mode then press PROG key for 3 seconds until the screen changes to menu setting Press PROG key until LCD display CRES use up key to change the parameter to 01 and thermostat will match automatically Matching is finished TESTING Similar2. Wireless Thermostat Owners Manual Modell A3918 Up and Down Key Key for changing the Temperature setting Also used for increasing and decreasing selections in the Reviews filter usage in hours and Time Program and Span minutes functions Also resets filter counter to zero LCD Display Shows Time Day Temperature and other feature information as required Al MO TU WE TH FR SA SU OANT ATR ME Eco Room Humidity SetTo Y var CoOL a Wat AUK Hest Qn Cool On O Drei tt gjda OFF oa oo f fro Ewer JO ALTO lA P Soft touch programming and functions buttons see below Front Door To open or close the door by pushing it softly FEATURES Structure of thermostat and explanation for the keypads Provides permanent temperature setting by overriding stored programs It also mope HOLD returns the thermostat to current program IRUN control from manual override or Home Selci the syster m da Today mode Returns display to current for Heat and Cool Auto ime and temperature heat Emer or Off Fan key For automatic or FAN continuous fan operation aa Selects the day or days to For entering hay H review or change in Program day or time T Mode Enters Program Mode DAYI for reviewing and changing TIME PROG weekday weekend or dally programs We are pleased you have selected one of our broad line of wall thermostat Our products are manufactured to high quality stan
3. TERMINALS SYSTEM Single stage Multi stage c 24 Volt Common R 24 Volt Emergency hot E W1 Heat mode 1st stage W2 No output Heat Mode 2nd stage Y1 Cool Mode 1st stage Y2 No output 2nd stage compressor G Blower Fan Energized on call for Cool and Heat if configured to Electric Heat O No output B No output Heat Pump Terminal Outputs Refer to equipment manufacturers instructions for specific system wiring information You can configure the thermostat for use with the following heat pump system types Single stage compressor system gas or electric backup This thermostat is designed to operate a single transformer system If you have a two transformer system cut and tape off one transformer If transformer safety circuits are in only one of the systems remove the transformer of the system with NO safety circuits If required replace remaining transformer with a 75VA Class II transformer After disconnecting one transformer the two commons must be connected together Use the terminal output information below to help you wire the thermostat properly for your heat pump system After wiring see CONFIGURATION section for proper thermostat configuration THERMOSTAT TERMINALS HEAT PUMP SYSTEM Heat Pump 1 Heat Pump 2 c 24 Volt Common R 24 Volt Emergency hot E W1 Emergency Mode 1st stage W2 HP 1 and Emergency 2nd stage Y1 Heat and Cool mode 1st stage comp
4. be displayed if the temperature is lower than 30 F 0 C This thermostat will automatically cutoff in Heat mode if the temperature rises above 95 F 35 C and automatically cutoff in Cool mode if the temperature drops below 45 F 7 C POWER SUPPLY 80 The thermostat supply with Li battery You can charge the Lithium battery through USB connect to PC during the charge process the battery icon will flash one by one K Note Lithium battery should be charged over 12 hours at the first 3 times to ensure the battery capability INSTALLATION What You Need This thermostat includes two 8 slotted screws and two wall anchors for mounting To install your thermostat you should have the following tools and materials m Slotted Screwdriver s Small Philips screwdriver m Hammer m Electric drill and 3 16 bit OPERATION Fan Operation If your system does not have a G terminal connection skip to Heating System System 1 Turn on power to system 2 Press FAN key to ON mode The blower should begin to operate 3 Move FAN key to AUTO mode The blower should stop immediately Heating System 1 Press system key until HEAT show LCD display If the auxiliary heating system has a standing pilot be sure to light it 2 Press to adjust thermostat setting to 1 C above room temperature The heating system should begin to operate The display should show STG1 However if the setpoint temperature display is flashing the compressor locko
5. be set in 10 minute increments and remains the same for both Heat and Cool programs 20 The program temperature can be set in increments of 1 F 1 C 30 The Heat setpoint can not be set higher than the Cool set point and the Cool set point can not be set lower than the Heat set point 4 When setting the program time note the AM PM indicator 50 With the Auto Recovery feature enabled you do not need to set your comfort program times early Auto Recovery will determine how early Recovery will determine how early to turn your system on so that the room is comfortable at the program time Weekday Weekend Programming Step5 proe Press again to change to the program COOL set PE temperature The period program will be flashing TCF m Press to change the temperature AA m Note HEAT COOL we B00 Step6 proce m Press again to change to the program HEAT set PTEN p temperature The period program will be flashing pF m Press to change the temperature ra m Note HEAT COOL 600 Weekday program 1 is complete Step 4 m Press PROG to move to program 2 3 and 4 and follow the same steps Use to insert or change time and temperature of other PROG Programs uSelects weekend days Sat Sun for same set Sr nr of 4 programs each weekend day m Follow steps 2 4 to enter programs Similar to weekday programming PROG DAY PROG to insert weekend programs Similar
6. instructions for specific system wiring information 3 Select Energy Management Recovery OFF or ON Your thermostat is set from the factory to gradually recover the room temperature from an energy saving program to your comfort program Therefore the thermostat may turn your system on several minutes prior to your programmed 4 Fast or Slow Crycle Selection one stage 5 Select Backlight function OFF or on 6 Fast or Slow Crycle Selection two stage 7 Select F or C Readout when you change this parameter the programming come back to fault you have to set the programming again Changes the display readout to Centigrade or Fahrenheit as required 8 Selects time format display 12hours or 24hours 9 Select Compressor Lockout COMP OFF or ON Selecting COMP ON will cause the thermostat to wait 4 minutes before turning on the compressor if the heating and cooling system loses power It will also wait 5 minutes minimum between cooling and heating cycles This is intended to help protect the compressor from short cycling Some newer compressors already have a time delay built in and do not require this feature Your compressor manufacturer can tell you if the lockout feature is already present in their system When the thermostat compressor time delay occurs it will flash the set point for about four minutes 10 This mode be use to setting commucation channels The thermostat and controller must be re match when change the channales 11 This model select 1
7. oa Low Battery Warning Step 2 PROG plea thar eerie aiapiayag E a Your thermostat has battery warning system When the batteries are first T em O IBF detected to be weak the first stage low battery warning is indicated by IBF E T 3 iG battery symbol flashing on the LCD display At your earliest convenience 750 ms you need to charge the batteries through USB Duing Charge process the aid 5 j i 7 battery icon will flash one by one When the battery charge complete the Step 3 prog mThe Program hour and AM or PM indicator are ETER b iat flashing Press to change the hour ser attery icon will disappear 3 JeF m Note AM PM S boo Step4 grog mPress again to change to the minute position The ene period minute will be flashing Ter m Press to change the minute W A3900 Series Controller manual A3900 Series Controller GENERAL A3900 Series wireless sets is designed to control the room temperature in Industrial commercial and residential environment It includes A3900 Series Wireless Thermostat and A3900 Series Controller by wireless data communication between thermostat and controller transfer receive and carry out the control dictate and signal and realize the controlling of temperature Read This Before Installing controller OPERATION The A3900 Series Controller receive the signal from Wireless Thermostat without any wires and control cooling and heating equipment YOUR THERMOSTAT REPLACES
8. to back factory Default The thermostat and controller must be re match Setting Time And Day Remove the mylar label covering the LCD display window before operating thermostat m Initial display after power up The temperature will update after a few seconds EXAMPLE Set the Thermostat to the current time of 9 43 a m on Saturday Refer to Figure at right m During time and day setting mode the temperature Press Display Reads Step 1 DAY mPress Day Time key The current hour and AM or TME PM indicator areflashing mPress to change the hour N Note AM PM Bn Step 2 pay mPress Day Time key again The current min is mo TNE flashing mPress to change the min ole TBs Step 3 Davi mPress Day Time key The current week is flashing w mPress to change the week 756 After 30 seconds the thermostat will return to normal automatically Manual Programming _ m Your thermostat can be programmed for weekdays and weekends or have unique programs for all 7 days Use Weekday Weekend Programs or 7 day Programming to enter or revise programs to match your Personal Program Schedule The same steps are used when entering programs for the first time or revising programs entered during Auto Programming m Familiarize yourself with Manual Programming so that you can easily modify your programs as your comfort needs change The example below demonstrates the Manual Programming method NOTE 10 The program time can
9. to menu setting Step 1 Press PROG key until it displays TEST change the parameter to 02 by press up key the relays will open one by one Step 2 Testing is finished press RUN key to exit setting state and the equipment could work Note This item is only for testing not for normal output if the wires be connected this test may be dangerous NOTE The distance between the thermostat and controller should be long than 1m if not it may fail communication It should go back to the first step if the relay don t have output in the third step On the condition that thermostat and Controller haven t matched Controller output testing press the key on the right side of the controller and hold it over 3 seconds relays will open and close one by one Program will exit testing after thrice circle If user want to exit testing before three circle finished press the key on the side for 3 seconds is OK Technical Data Power AC24 5V 50 60Hz Working environment 0 Q 50 C Range 50 95 RH non condensing Shell Fire retardant PC ABS Dimension 116x98x45 mm HxWxD Connection interface Each terminal capable of accepting 2 x 1 5 mm2 or 1 x2 5mm2 wires electric heating type 1 x 4 mm2 wires Wireless carrier wave frequency 433MHz Current 28 mA Communication baud rate 10 kbps Wireless channels 1 10 channels Communication distance Beeline distance 30m in the field The di
10. Temporary Manual Override instructions above to change the Permanent Manual Override temperature m You can confirm the held set temperature by pressing for less than 1 second m Press again Hold day will be displayed on the LCD and the clock oie Will disappear gt m Press Day Time key to adjust override days 6B m Follow the Permanent Override instructions above to change ik F N the a Designated Day Manual Override temperature ai To end Override Under Permanent Override Press hold key twice Under a Designated Day Override press the hold once The thermostat will return to the current program and the HOLD display will be canceled NOTE The Auto Season Changeover feature will not operate while the thermostat is in permanent Manual Override Refer to the Auto Season Changeover feature for more information Auto Season Changeover When the System Selector is in AUTO position the thermostat will automatically change between Heating and Cooling systems depending on your program We recommend keeping your programmed heating and cooling temperature at least 2 F 2 C apart to allow the Auto Season Changeover to occur when the appropriate emperature span has been reached However if your heating and cooling programs set emperatures are close there is a built in program to prevent the thermostat is in Temporary a Designated Day Override or Permanent Override as these overrides are energy saving settings Auto Season Changeover will sti
11. cooling should begin to operate and the display should show STG1 2 4 Press to adjust the temperature setting above room temperature The cooling system should stop operating CONFIGURATION MENU Ste Press Displayed Press up or Comments p Button Factory down key Default to select 1 PROG SS1 SS1 HP2 Selects Single stage Multi stage HP1 or Heat Pump Single stage or 2 stage System Configuration 2 PROG FAN HE HG Select GAS ELECTRIC Only can select by STD2 or SS1 3 PROG RECO OF ON Recovery function ON or OFF 4 PROG SPAN 2 1 3 Span one stage 5 PROG BLIT ON OF BackLight 6 PROG SP2 2 1 3 Span Two Stage 7 PROG TEMP F Cc Selects temperature display F or C 8 PROG HOUR 12 24 Selects time format display 12hours or 24hours 9 PROG COHP OF ON Selects Compressor Lockout OFF or ON 10 PROG CANL 1 1 10 Communication channels 11 PROG FACT 0 Select 1 all the setting will go back to factory default The configuration menu allows you to set certain thermostat operating characteristics to your system or personal requirements Set SYSTEM mode to OFF then simultaneously press PROG keys to enter configuration menu The display will show the first item in the configuration menu The configuration menu table summarizes the configuration options An explanation of each option follows Press PROG key to change to the next menu item To exit the menu and return to the program operation press Hold Run Key If no keys are pressed wi
12. crewdriver m Hammer m Electric drill and 3 16 bit CAUTION To prevent electrical shock and or equipment dam damage age disconnect electric power to system at main fuse or circuit breaker box until installation is complete WARNING Do not use on circuits exceeding specified voltage Higher voltage will damage control and could cause shock or fire hazard Do not short out terminals on gas valve or primary control to test Short or incorrect wiring will damage thermostat and could cause personal injury and or property damage TROUBLESHOOTING Problem Solution SCRAMBLED OR DOUBLE DISPLAY numbers over 1 Remove clear mylar sticker numbers NO DISPLAY 1 Charge Li battery ENTIRE DISPLAY 1 Charge Li battery DIMS PROGRAM DOES NOT CHANGE AT 1 Check that the time is set properly to AM or PM 2 Check that the thermostat is not in HOLD mode YOUR DESIRE 3 Check for the correct day settings SETTING AUTO FAN DOES 1 Change HE HG parameter to opposite setting NOT TURN ON 2 The thermostat may be in the AUTO Mode Look for AUTO on the LCD display If the Heat and Cool program temperature are close then the thermostat requires a larger room temperature change before changing from Heat or Cool 3 There may be as much as 4 minute delay before the Heat or Cool system turns On wait and check Compressor protection delay 40 Check your circuit breaks and switches to ensure there i
13. dards and are designed for years of service REMOVE THE MYLAR LABEL FORM THE LCD DISPLAY WINDOW ARMCHAIR PROGRAMMING 10 You can program your thermostat before installation following the instructions starting configuration menu This can be done while you relax in your favorite chair and is a very good way to familiarize yourself with all the functions of your thermostat INSTALLER CONFIGURATION MENU The following time and temperature settings are pre programmed into the thermostat Temperature in F C Program Number Time Heat Cool 1 6 00 am 68 F 20 C 78 F 26 C 2 8 00 am 60 F 16 C 85 F 29 C 3 4 00 pm 68 F 20 C 78 F 26 C 4 10 00 pm 60 F 16 C 82 F 28 C COMPRESSOR PROTECTION 20 The thermostat provides a 4 minutes delay after shutting of the heating or cooling system before it can be restarted This feature will prevent damage to your compressor caused by rapid cycling Note that this delay also applies to the heating system control It does not provide a delay when there are power outages you can select the function on or off at the configuration TEMPERATURE RANGE 3 This thermostat can be programmed between 45 F and 95 F 7 C and 35 C However it will display room temperatures from 30 F to 99 F 0 C and 37 C HI will be displayed if the temperature is higher than 99 F 37 C and LO will
14. ll function in Override mode as his is a comfort setting For example you may have the following temperatures programmed at a given time Heat Set Temp 68 F Cool Set Temp 78 F If the room temperature rises above 78 F then the thermostat will automatically change o cool mode and turn on the air conditioner Likewise the thermostat will automatically change to heart mode and turn on heat when he room temperature falls below 68 F Filter Monitor Your thermostat also keeps a record of the number of Days your filter has been in use To maximize your system s performance and energy efficiency change or clear your filter regularly m When the total fan run time reaches 400 hours you need clean or change your system s filter FILTER will continue to display until the counter is set back to zero De m Press to review total filter usage The FILTER display Then show the filter Monitor counter After 20 seconds the display will return to normal mode or you can hit RUN to exit immediately The Filter Monitor will display up to 100 Days of usage In this example the counter is at10 Days m To reset the Filter Monitor counter depress FILTER for 3 seconds when the filter monitor day show The display will blink and the counter will be reset to zero Auto Recovery uto Recovery calculates how early to turn your system back on so that the room temperature is already comfortable by the start of the comfort temperature program period Au
15. ressor Y2 No output 2nd stage compressor G Blower Fan Energized on call for Heat and Cool Set GAS ELEC switch for Emergency mode O Energized in Cool Mode B Energized in Heat Emergency mode WIRING Cool only system FAN RELAY Controller lt HEAT RELAY IN AC24V Heat only system CONV HP WZ B A o D e FAN RELAY D Y2 2 D A COOL RELAY Controller a lt 2 AR _______j A pe IN AC24V LAC 1 stage cooling heating system for normal mode CONV HP FAN RELAY Controller 2 EN Em HEAT RELAY IN AC24V 2 stage cooling heating system for normal mode CONV HP De G FAN RELAY A Y2 cooRreaYy2 fj COOL RELAY 1 Controller 2 A we HEAT RELAY 2 A EIw HEAT RELAY 1 NC IN AC24V OY Qs o gt 1 stage cooling heating system for heat pump CONV HP CHANGE OVER VALVE FAN RELAY Controller COMPRESSOR HEAT AUX EMER QD a Or ae IN AC24V Z 2 stage cooling heating system for heat pump CONV HP 2 VI B CHANGE OVER VALVE J 6 FAN RELAY COMPRESSOR2 COMPRESSOR 1 HEAT AUX EMER IN AC24V SS INSTALLATION Installation guide What You Need This thermostat includes two 8 slotted screws and two wall anchors for mounting To install your controller you should have the following tools and materials Slotted Screwdriver s m Small Philips s
16. s power to the system 6 Make sure your furnace blower door is closed properly ERRATIC DISPLAY 1 Replace unit CONTROLLER NO OUTPUT 1 Check if the thermostat is working if the thermostat is effective and if the power is supplied to the controller 2 Check if the communication is correct the controller will close all the relays if there is no data received in 30 minutes 3 Match the thermostat and the controller again COMMUNICATION FAILED 1 Check if the thermostat is working if the therpstat is effective and if the power is supplied to the controller 2 The distance between the thermostat and controller should be longer than 1m shorter than 100m in the field 3 Match the thermostat and the controller again If you experience any other problems call us for technical assistance
17. stance will shorten if through walls and floors COMPRESSOR PROTECTION The thermostat provides a 4 minutes delay after shutting of the heating or cooling system before it can be restarted This feature will prevent damage to your compressor caused by rapid cycling Note that this delay also applies to the heating system control It does not provide a delay when there are power outages you can select the function on or off at the configuration THERMOSTAT OUTPUT Standard Terminal Outputs Refer to equipment manufacturers instructions for specific system wiring information You can configure the controller for use with either multi stage electric heat systems or multi stage gas systems When configured for electric heat the G terminal blower fan will be energized on a call for heat This thermostat is designed to operate a single transformer system If you have a two transformer system cut and tape off one transformer If transformer safety circuits are in only one of the systems remove the transformer of the system with NO safety circuits If required replace remaining transformer with a 75VA Class II transformer After disconnecting one transformer the two commons must be connected together Use the terminal output information below to help you wire the thermostat properly for your multi stage system After wiring see CONFIGURATION section for proper thermostat configuration THERMOSTAT
18. thin fifteen Seconds the thermostat will revert to normal operation 1 Single Stage Multi stage or Heat Pump System Configuration This control can be configured for Heat Pump or two stage heat one stage cool multi stage operation The display indicates STD2 default for multi stage mode in the display The Multi stage configuration can be toggled to SS1 or HP1 by pressing the up or down key In Multi stage configuration EMER mode is useless 20 This thermostat is configured from the factory to operate a heat cool fossil fuel gas oil etc forced air system It is configured correctly for any system that DOES NOT require the thermostat to energize the fan on a call for heat If you system is an electric heat or heat pump system that requires the thermostat to turn on the fan on a call for heat locate the HE HG in the menu and SELECT it to the HE position This will allow the thermostat to energize the fan immediately on a call for heat If you are unsure if the heating cooling system requires the thermostat to control the fan contact a qualified heating and air conditioning service person When the thermostat is configured for Heat Pump the thermostat will always power the circulator fan on a call for heat in the HEAT mode The HE HG must be set to match the type of Auxiliary heat your system uses for proper operation in the EMER gency mode All wiring diagrams are for typical systems only Refer to equipment manufacturers
19. to Recovery work s in both Heat and Cool modes mWhen the thermostat is in Auto Recovery mode the display will alternate RECO with time and the program indicator will Icddisp mAuto Recovery can be disabled by menu setting wAuto Recovery will not operate if Permanent hold or Temporary hold is in operation mAuto Recovery can be canceled manually if HOLD is pressed during the recovery process mAuto Recovery will be canceled and change to next period Keyboard lock The keyboard can be locked to prevent unauthorized changes to the thermostat To lock or unlock the keyboard press and hold run Key for 3 seconds OF HOLD IRUN nm Weekday Programs The keyboard is locked when LOCK appears on the display Br Press Display Reads ss All keys are locked Any time a key is pressed LOCK will appear on e m Normal display of time temperature the display for 1 second wes and day of the week w Error Mode Ge If the thermostat is unable to control your system due to an unexpected e or 5 problem the thermostat will enter Error Mode In this condition the E thermostat flashes E1 E2 on the LCD display and shuts off your a Step 1 PROG m Selects days Mon to Fir for same set of 4 Enema system ges BAY programs each day Led display information Led display information E1 Sensor Error E2 System switch a
20. to weekday programming PROG ivii aay PROG to insert Individual programs NOTE Another approach to programming is to first program all weekdays Mon through Fir and Sat and Sun as same programs Then display and change the programs of only those days which will have different programs Temporary Manual Override To temporarily change the current set temperature without affecting your program 4 m Press up or down key for less than 1 second to enter Manual pc Override mode m Press up or down to change to your desired new temperature m Press to RUN to normal mode or wait 20 seconds for it to X return automatically coin m The current program number will flash to signify the Temporary Override IRUN At the next program change the Temporary Override is canceled and the next program temperature becomes the setpoint temperature uoto To end the Temporary Manual Override RUN Press HOLD key twice This will return the set temperature to the current program set temperature NOTE The Auto Season Changeover feature will not operate while the thermostats is in Temporary Manual Override Refer to the Auto Season Changeover feature for more information Permanent Override or a Designated Day Override To hold your Manual Override for vacation or Until a Designated Day Hoio m Press to make the current program temperature the HOLD IRUN temperature HOLD will be displayed on the LCD and the ee Program number will disappear m Follow the
21. ut feature is operating see Configuration menu item 5 3 Adjust temperature setting to 3 C above room temperature If your system configuration is set at MS2 HP2 or HP1 the auxiliary heat system should begin to operate and the display should show STG1 2 2 4 Press to adjust the thermostat below room temperature The heating system should stop operating Emergency System EMER bypasses the Heat Pump to use the heat source wired to terminal E on the thermostat EMER is typically used when compressor operation is not desired or you prefer back up heat only 1 Press SYSTEM key to select Heat mode then press EMER key EMER will show on the display 2 Press to adjust thermostat setting above room temperature The Aux heating system will begin to operate The display will show STG1 EMER to indicate that the Aux system is operating 3 Adjust temperature setting to 2 C above room temperature The auxiliary heat system should begin to operate and the display should show STG1 2 4 Press to adjust the thermostat below room temperature The Aux heating system should stop operating Cooling System 1 Press SYSTEM key to select the Cool mode 2 Press to adjust thermostat setting below room temperature The blower should come on immediately on high speed followed by cold air circulation The display should show STG1 3 Adjust temperature setting to 2 C below room temperature The second stage
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