PROGRAMMABLE THERMOSTAT M AM 4 TEMP Owner’s Manual Model 43355
Introduction CONGRATULATIONS! Your new Climate Technology electronic thermostat will provide years of reliable service. By saving energy, your thermostat will pay for itself during its first season of use. Thank you for buying a Climate Technology product! 2 Please read this manual for complete instructions on installing and operating your thermostat. If you require further assistance, call Climate Technology Technical Support at 800-676-7861 from 8 a.m. to 5 p.m. Central Time.
Table of Contents 3 INTRODUCTION Read This Before Installing Thermostat Features 5 7 INSTALLATION What You Need Remove Old Thermostat Wire Labeling Mount Wallplate and Thermostat Connect Wires and Mount Thermostat Cover to Wall Plate Selector Switches 8 8 9 11 12 13 PROGRAMMING Setting Time and Day Default Programs Personal Program Schedule Manual Programming Weekday / Weekend Programming 7-Day Programming Reviewing Programs Reviewing the Current Temperature Setting 14 16 17 18 19 21 22 23 OPERAT
Table of Contents (continued) 4 OPERATIONS (continued) Permanent Manual Override Vacation Override (Programmable Hold) Home Today Energy Monitor Filter Monitor Auto Recovery SPAN Setting Mode Backlighting 26 27 28 30 31 32 34 35 SAFETY FEATURES Low Battery Warning Error Mode Auto Cut-Off Mechanical Heat Back-Up 36 37 37 37 TROUBLESHOOTING Problems & Solutions Technical Support 38 39 WIRING DIAGRAMS Heat / Cool Systems Single-Stage Heat Pump Systems Heat Only / Cool Only Systems 40 41 41-42
Read This Before Installing Thermostat IMPORTANT Read the entire installation section of this Owner’s Manual thoroughly before you begin to install or operate your Climate Technology Thermostat. 1 INSTALLATION All installation is normally performed at your thermostat. 2 ARMCHAIR PROGRAMMING You can program your thermostat before installation by inserting the batteries and following the instructions starting on page 16.
Read This Before Installing Thermostat (continued) POWER FAILURE Whenever the main power is interrupted or fails, the battery power retains the programs and current time. 7 AUTO RECOVERY 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 time. This operation is normal, but can be turned off.
Features 7 hom energ today y system heat cool program off day/time reset fan auto on e filter prog day hold /return
INSTALLATION 8 What You Need This thermostat includes two #8 screws and two wall anchors for mounting. To install your thermostat, you should have the following tools and materials. ■ ■ ■ ■ Phillips and Slotted Screwdrivers Hammer Electric drill and 3/16" bit Two 1.5 V (AA) size alkaline batteries (included) Remove Old Thermostat CAUTION: Do not remove any wiring from existing thermostat before reading the instructions carefully. WIRES MUST BE LABELED PRIOR TO REMOVAL.
Wire Labeling ■ Each wire coming from the wall to the existing thermostat is connected to a terminal point on that thermostat. Each of these terminal points is usually marked with a code letter as shown in Table A on the next page. ■ Note that this thermostat has multiple function terminals that allow Single-Stage Heat Pump capability. Standard systems use: Rh, Rc, G, W. [Single-Stage Heat Pumps use: Rh, Y1, G, and O or B.] Table A below shows the multiple functions of the terminals.
INSTALLATION If the code letter on your existing thermostat is 10 then mark the wire with label shown and connect to thermostat terminal shown RH RH, R, VR or 4 24 Volt x RH RC RC, VC 24 Volt Cool x RC G G or F Fan x G Y, C or M Air Conditioning Compressor - or O Reversing Valve operating in Cool mode. (Single Stage Heat Pumps ONLY.) Y/O x Y/O W or H Heating - or B Reversing Valve operating in Heat mode. (Single Stage Heat Pumps ONLY.
Mount Wallplate and Thermostat 11 ■ Remove the wallplate from your thermostat by pressing the release tab on the bottom of the thermostat. (See Figure 2.) ■ Position wallplate on wall and pull existing wires through large opening. Then level for appearance. Mark holes for plastic anchors provided if your existing holes do not line up with those on the Climate Technology wallplate. ■ Drill holes with 3/16” bit and gently tap anchors into the holes until flush with wall.
INSTALLATION 12 Connect Wires and Mount Thermostat Cover to Wall Plate ■ Match and connect the labeled wires to the appropriate coded terminal screws on the wallplate. (See Figure 4, 5.) Ignore any wires which may be present, but which were not connected to the old thermostat. ■ Refer to the Wiring Diagrams below to be sure your system is wired correctly.
Selector Switches In order for this Climate Technology thermostat to control your system, the system type must be specified by selector switches on the printed circuit board inside the thermostat. NOTE: When changing these features after installation, move the HEAT / COOL selector switch to OFF before removing the thermostat from the wall. System Selector Switches: ■ Heating system selector (HG – HE switch) The factory position for this switch is in the “HG” position.
PROGRAMMING 14 Setting Time and Day ■ The LCD will show this information when batteries are first installed, or after the Reset button is pressed. The temperature will update after a few seconds. ■ During time and day setting mode, the temperature and program displays will go blank. ■ Example: Set the Thermostat to the current time of 2:16 pm on Saturday. Refer to the Steps below. STEP 1: ■ Press to enter time and day setting mode. The current hour and the AM / PM indicator will be flashing.
STEP 3: day/time ■ Press again to change from minute setting to day setting. The current day will be flashing. M PM ■ Press to change the Day up or down to the current day. STEP 4: day/time ■ Press again to change back to the normal display. SA PM or 2 hold TEMP /return NOTE: You may press hold at any time during Day and Time setting to return to the /return normal display. DAYLIGHT SAVING TIME day/time ■ Press and hold. ■ Press to enter Daylight Saving Time.
PROGRAMMING 16 Setting Time and Day (continued) 12 HR. / 24 HR. TIME FORMAT Your thermostat is set from the factory in normal 12 (AM / PM) time format. To change to 24 hour (military) time, press program at any time while the Hour, Minute, or Day is flashing to toggle between the 12 hour and 24 hour formats. The AM / PM indicator will not be displayed in 24 hour mode. Both the current time and all programs will automatically change to the selected format.
Personal Program Schedule 17 Before programming or changing programs, use this Personal Program Schedule to determine which times and temperature settings will best satisfy both your comfort and energy saving requirements. Use a pencil so you can revise your records each time you change your temperature settings. Heating Cooling Day Prog. 1 Prog. 3 Prog. 4 Day Prog. 1 Prog. 3 Prog. 4 Mon. Time Time Time Time Mon.
PROGRAMMING 18 Manual Programming ■ Your thermostat can be programmed for weekdays and weekends, or have unique programs for all 7 days. Use Weekday/Weekend Programming below or 7-day Programming on page 21 to enter or revise programs to match your Personal Program Schedule. ■ Familiarize yourself with Manual Programming, so that you can easily modify your programs as your comfort needs change. The example below demonstrates how to program your thermostat.
Weekday/Weekend Programming ■ Slide System Selector Switch to HEAT or COOL to system program the corresponding system. heat off cool NOTE: If the system selector is in the OFF position, no programming is permitted. The LCD display will show only dashes when the program key is pressed. STEP 1: program ■ Press to enter program mode. HEAT or COOL will be displayed on the LCD. M T W TH F AM 1 ■ The Program hour and AM or PM indicator are flashing. Press to change the hour.
PROGRAMMING 20 Weekday/Weekend Programming (continued) STEP 4: program ■ Press again to change to the program temperature. The current temperature will be flashing. ■ Press to change the temperature. M T W TH F AM 1 HEAT STEP 5: STEP 6: program ■ Press again to move to the next program number. prog day ■ Press to change to weekend programs. ■ Repeat steps 3 - 5 to change the remaining weekday programs. SA SU AM ■ Repeat steps 3 - 5 to change the weekend programs.
7-Day Programming system heat off ■ Slide System Selector Switch to HEAT or COOL to program the corresponding system. cool STEP 1 program prog day ■ Press to enter program mode, display shows weekday programs. ■ Press 2 times to reach the Monday program. ■ Use Step 2 , and program keys to set M AM 1 HEAT M AM the 4 programs for Monday. 1 HEAT Step 3 Step 4 prog day hold /return Step 5 ■ Press to change to the next day’s programs. ■ Repeat Step 2 to complete the selected day’s programs.
PROGRAMMING 22 Reviewing Programs You may want to review the programs to confirm that the settings are compatible with your lifestyle. Weekday Programs program ■ Press to display M – F programs. M T W TH F AM ■ Press repeatedly to cycle through the 4 programs. 1 HEAT Weekend Programs prog day program ■ Press to display the Sa – Su programs. SA SU PM ■ Press repeatedly to cycle through the 4 programs. 3 HEAT Daily Programs program prog day ■ Press to display M – F programs.
Daily Programs (cont.) prog day ■ Press again to change to Monday’s program. M AM ■ Continue pressing to cycle through each day. program ■ Press repeatedly to cycle through the 4 programs. 1 HEAT hold /return ■ Press to return to normal mode. ■ After 15 seconds, the thermostat will return to normal mode automatically. NOTE: Programs take affect as soon as the thermostat returns to normal mode.
OPERATION 24 System Selector Switch The System Selector switch on the front of the thermostat determines the operating mode of the thermostat. You may select COOL, OFF, HEAT. NOTE: Anytime you install or remove the thermostat from the wallplate, slide the System Selector to the OFF position to prevent the possibilitu50.0Tw(A246. 72 0.
Temporary Manual Override 25 To temporarily change the current set temperature without affecting your program: or ■ Press and hold for about 1 second to enter Manual Override mode. When display flashes, you can release the key. SET TEMP 3 COOL or hold /return TEMP ■ Press again to change to your desired Set Temperature. Hold the key for 2 seconds to fast-advance the Set Temperature. ■ Press to return to normal mode, or wait 5 seconds for it to return automatically.
OPERATION 26 Permanent Manual Override To hold your Manual Override for vacation or just an extended period of time: hold /return ■ Press to make the current program temperature the HOLD temperature. HOLD will be displayed on the LCD, and the Program number will disappear. ■ Follow the Temporary Manual Override instructions above to change the Permanent Manual Override temperature. ■ You can confirm the held set temperature by pressing for less than 1 second.
Vacation Override (Programmable Hold) This thermostat can hold a fixed temperature for a selected number of days (up to 30). After the selected number of days, the thermostat will return to normal program operation. This feature allows you to return home to your normal comfort setpoint temperatures. hold ■ Press and hold for 2 seconds. Display will change to show a 1 day hold. SET TEMP /return HOLD COOL day/time TEMP ■ Press to select the number of days to set the vacation hold temperature.
OPERATION 28 Home Today This Climate Technology patented feature allows you to quickly and temporarily override your energy saving program setting on days when you are normally away from home with one key press. hom e today ■ Press to enter the Home Today override. The highest program temperature for today will be selected from your programs in Heat mode and become the set temperature. (In Cool mode, Home Today will select the lowest program temperature for today to be the set temperature.
■ If the system is changed between Heat and Cool modes during the “Home Today” override period, the setpoint temperature will be automatically updated. It will automatically change from the highest heat program setpoint to the lowest cool program setpoint, or from the lowest cool program setpoint to the highest heat program setpoint. hold /return ■ Press to exit Home Today mode before the schedule ending time.
OPERATION 30 Energy Monitor The Energy monitor feature measures and stores the amount of time the heating and air conditioning system operates. Usage can be displayed for Today (since 12am), Yesterday, This Week (since Monday), Last Week (last Monday through Sunday), and Total (up to ener gy 999 Hrs. 59 Min.). By monitoring your energy usage, you see how much the set-back periods are saving and you can test program adjustment to save even more. Use table on page 17.
Filter Monitor 31 Your thermostat also keeps a record of the number of hours your filter has been in use. To maximize your system’s performance and energy efficiency, change or clean your filter regularly. ■ When the total system run time for heat and cool reaches 400 hours, FILTER will flash on the LCD display to remind you to clean or change your system’s filter. FILTER will continue to flash until the counter is set back to zero.
OPERATION 32 Auto Recovery Climate Technology’s Auto Recovery feature meets the ENERGY STAR® guidelines for energy efficiency by allowing the heating or cooling system to recover gradually from an energy-saving setpoint temperature to a comfort setpoint temperature.
Details of Auto Recovery Operation: ■ Auto Recovery can be disabled by sliding the Recovery switch on the circuit board to the DISABLE position. Refer to page 13. ■ Auto Recovery will not operate if Permanent hold, Temporary hold or Home Today is in operation. ■ Auto Recovery can be canceled manually if HOLD/ RETURN is pressed during the recovery process.
OPERATION 34 SPAN Setting Mode Your thermostat is set at the factory to cycle at 1˚F (0.5˚C) above and below the set temperature. (Span = 2) This setting has been designed to provide a comfortable room temperature under most all conditions. However, if you find your system cycling too fast or too slow, then the Span can be adjusted to modify the cycle time. ■ Press and hold BOTH for three seconds. The display will flash, and SPAN will be displayed on the LCD. ■ Press to raise the Span to 3.
Backlighting (INDIGLO® night-light) Your thermostat has an electroluminescent lamp that backlights the display for easy viewing in the dark. When any key is pressed or the System Switch is changed, the display is illuminated. The display will remain illuminated for 5 seconds after the last key is pressed. This allows the light to stay on if you need to operate several keys. 35 NOTE: If the thermostat is in Low Battery warning condition, the backlight will not operate.
SAFETY FEATURES 36 Low Battery Warning ■ Your thermostat has a two-stage low battery warning system. When the batteries are first detected to be weak, the first stage low battery warning is indicated by battery symbol flashing on the LCD display. At your earliest convenience, you need to replace the batteries with 2 new AA alkaline batteries.
Error Mode 37 ■ If the thermostat is unable to control your system due to an unexpected battery problem, the thermostat will enter Error Mode. In this condition, the thermostat flashes “Err” on the LCD display, and shuts off your system. To correct this problem, replace the batteries with 2 new AA alkaline batteries, even if you have recently replaced them. Next, use a paper clip to press the RESET button next to the keypad. You will need to reprogram your thermostat and confirm normal operation.
TROUBLESHOOTING Problem 38 Solution Scrambled or Double Display (numbers over numbers) 1. Remove clear mylar sticker. No Display 1. Check battery connections and batteries. 2. Press RESET button 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. Check that the time is set properly to “AM” or “PM”. 2. Check that the thermostat is not in “HOLD” or “Home Today” modes. 3. Check for the correct day setting.
Problem (cont.) Solution (cont.) Erratic Display 1. Press the RESET button once with a small pin and hold for two seconds. The thermostat will need to be re-programmed. If unit continues to operate in the Off position 1. Replace unit. Thermostat permanently reads “HI,” “LO,” or “ERR-” after pressing reset button 1. Replace unit. 39 If you experience any other problems, call 800-676-7861 from 8 AM to 5 PM Central Time for technical assistance.
WIRING DIAGRAMS 40 4-wire Heat/Cool System Wallplate Terminals G System Selector Jumper Rc Rh Y/O W/B X Heat/Cool 24V Supply Fan Relay STD – HP Y1 X Cool Contactor Heat Relay or Valve 5-wire Heat/Cool System Wallplate Terminals G System Selector No Jumper Rc Rh Y/O W/B Y1 X Fan Relay X - No Connection Cool 24V Supply Heat 24V Supply Cool Contactor Heat Relay or Valve STD – HP
Single-stage Heat Pump 41 Wallplate Terminals G Rc Rh X Fan Relay System Selector Jumper Heat Pump 24V Supply W/B Y/O Cool OR Mode Reversing Valve STD – HP Y1 Heat Mode Compressor Contactor Connect to Proper Reversing Valve Terminal.
WIRING DIAGRAMS 42 3-wire Heat Only Wallplate Terminals G System Selector Jumper Rh Rc X Y/O W/B X Heat 24V Supply Fan Relay STD – HP Y1 X Heat Relay or Valve 3-wire Cool Only Wallplate Terminals G System Selector Jumper Rc Rh Y/O X Fan Relay X - No Connection Cool 24V Supply Cool Contactor W/B Y1 X X STD – HP
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