"user manual"
Contents
1. Symptom Remedy Thermostat does not turn on system Check wiring see Installation section Check fuse Replace with 3 amp fuse if fuse has opened Thermostat turns system on and Increase temperature differential off too frequently see Changing the Temperature Differential section System fan does not operate Move fan option switch to either properly gas or electric to match system see Installation section Thermostat does not display Check F C Fahrenheit Celsius proper room temperature setting See Changing Fahrenheit F to Celsius C Er on display Call technical support If problems with thermostat cannot be resolved call Technical Support 800 445 8299 Monday Friday 7 30 AM 5 30 PM CST 11 Two Year Limited Warranty Climate Controls Americas warrants to the original contractor installer or to the original consumer user each new Robertshaw thermo stat to be free from defects in materials and workmanship under normal use and service for a period of two 2 years from date of purchase This warranty and our liability does not apply to batteries or merchandise that has been damaged by misuse neglect mishandling alterations improper installation or use in a way other than in accordance with Climate Controls Americas recommendations and instructions Climate Controls Americas agrees to repair or replace at its option any2. 7 3 Put the AUTO HEAT OFF COOL switch into the OFF position The air conditioning system should turn off 4 Put the AUTO HEAT OFF COOL switch into the HEAT position 5 Press the button until the temperature setting is at least 3 degrees above room temperature The heating system should turn on The fan may not turn on immediately depending on the fan delay built into the furnace 6 Put the AUTO HEAT OFF COOL switch into the OFF position The heating system should turn off The fan may continue to run for a short period of time 7 Put the amp ON AUTO switch into the ON position The blower fan should turn on 8 Put the amp ON AUTO switch into the AUTO position The blower fan should turn off AUTO HEAT OFF COOL AUTO HEAT CooL AUTO HEAT OFF CooL ON AUTO ON AUTO Step 4 Customizing the Thermostat Settings System Cool The thermostat controls the cooling Off The heating and cooling systems are off Heat The thermostat controls the heat AUTO The thermostat automatically selects heat or cool depending on the temperature Fan Auto Equipment controls the fan On The fan operates continuously Temperature The default setpoint temperature for heating is 70 F 21 C for cooling is 78 F 25 C and for auto is 72 F 22 C After putting the system switch in heat cool or auto press either the or button to adjust the temperature setting up or down
3. 8 Either wait three seconds or press the button The fan icon and ON will be displayed 9 Press either the or button to adjust the residual cool fan delay between 0 30 60 or 90 seconds 10 The display will return to the original room temperature display after a few seconds LED Indicators The Robertshaw 9555 uses three LED indicators in addition to icons on the LCD display to indicate functionality of the thermostat When illumi nated the right orange LED indicates that the thermostat is calling for heat The left green LED indicates a call for cool When the middle amber LED is illuminated the thermostat is calling for second stage heating or cooling If this LED is illuminated too frequently during periods of moderate temperature check the differential settings see Temperature Differential and Deadband section 10 Backlit Display This thermostat is equipped with a backlight to make nighttime tempera ture adjustments quick and easy Press the X button to activate the backlight The backlight will turn off after about 15 seconds of inactivity Reset To reset the thermostat to factory preprogrammed conditions press the RESET button located beneath the lower left corner of the display U TECNICI LETT ETE o Bi U o o o uw V RESET Switch Step 5 Troubleshooting e Seele OocOoO
4. The display will return to the current room temperature five seconds after the last input and the new setpoint will be saved AUX Figure 8 Temperature Differential and Deadband The temperature differential is factory set at 1 F 0 5 C for the 15 stage differential and 2 F 1 0 C for the 2 stage This means that whenever the room temperature changes by one degree Fahrenheit from the temperature setting the system will turn on If the system turns on too often increase the temperature differential The 2 stage will turn on when the room temperature changes from the desired temperature by the sum of the 1 and 2 stage differential set tings The 2 stage will also turn on if the temperature has not increased or decreased in the event of cooling for a period of twenty minutes Although programmed at the same time as the temperature differentials the deadband is used only during the AUTO mode In the AUTO mode the thermostat will automatically cycle either the heating or cooling system to maintain optimal comfort The deadband is the minimum allowable tem perature which must occur to switch to the opposite mode For example if the deadband is set at 3 F and the setpoint is set at 70 F the thermostat will switch to cooling mode when the temperature reaches 73 F NOTE IF THE TEMPERATURE LIMITING JUMPER J3 IS CUT FIGURE 7 THE DEADBAND IS NOT ADJUSTABL
5. local waste management authority for instructions regarding proper disposal of the thermostat If you have any ques tions call Robertshaw technical support at 1 800 445 8299 Step 2 Installing Model 9555 Thermostat NOTE FOR NEW INSTALLATIONS MOUNT THERMOSTAT ON INSIDE WALL FIVE FEET ABOVE THE FLOOR DO NOT INSTALL BEHIND A DOOR IN A CORNER NEAR AIR VENTS IN DIRECT SUNLIGHT OR NEAR ANY HEAT OR STEAM GENERATING FIXTURES INSTALLATION AT THESE LOCATIONS WILL AFFECT THERMOSTAT OPERATION 1 Turn power off to the heating and cooling systems 2 Place AUTO HEAT OFF COOL in OFF position Figure 2 3 Place 9 ON AUTO switch into AUTO position Figure 2 COOL Aux MEAT Figure 2 4 Remove the cover using a coin or screwdriver Figure 3 Set aside Figure 3 5 Place thermostat against the wall at desired location Make sure wires will feed through opening Figure 4 on base of thermostat 6 Mark placement of mounting holes Figure 4 Set base aside Mounting Holes pl UM i ii il i Mdh I 4 Tr oo WIRING OPENING up o o elelelelelele ZA M O 8 TAL e GOGOOC0 G GAS ELEC Figure 4 7 If mounting on drywall tap plastic anchors into wall NOTE ENCLOSED PLASTIC ANCHORS DO NO
6. DELUXE p 5 NON PROGRAMMABLE THERMOSTAT GAS ELECTRIC 2 Heat 2 Cool with Auto Changeover User s Manual Quick Start Installation 110 975D Application The Robertshaw 9555 is a multi stage auto changeover thermostat designed to control 24 VAC gas or electric two stage heating and two stage cooling systems The 9555 requires the use of a common wire Features Multi stage control Auto changeover deadband adjustable from 2 F to 8 F 1 0 C 4 5 C arge back lit display e Adjustable 1 and 2 stage temperature differential Compressor short cycle protection Adjustable fan delay on cooling ED indication of system status Zone system compatible as a master thermostat Battery free EEPROM memory retention Optional temperature limiting settings Fahrenheit Celsius display option Gas electric operation Adjustable from 45 F to 90 F 7 C 32 C Quick wire terminal block A IMPORTANT SAFETY INFORMATION WARNING Always turn off power at the main power source by unscrewing fuse or switching circuit breaker to the off position before installing removing cleaning or servicing thermostat Read all the information in this manual before installing or program ming this thermostat This is a 24 VAC low voltage thermostat Do not install on voltages higher than 30 VAC All wiring must conform to local and national building and electrical codes and ordinances Do not s
7. E AND IS AUTOMATICALLY SET TO 6 F 3 C 9 Changing Fahrenheit F to Celsius C Temperature Differential Deadband and Residual Cool The temperature differential is factory set at 1 F 0 5 C for the 15 stage differential and 2 F 1 0 C for the 2 stage The deadband for auto changeover is set at 3 F 1 5 C To change settings 1 The thermostat is preset to display the temperature in degrees Fahrenheit U S models or degrees Celsius Canadian models The temperature display can be changed Press and hold both the and buttons for three seconds The display will read F or C Release the buttons Press either the or button to change the display 2 After three seconds the display will switch to the differential settings The display will read DIFFERENTIAL 1 3 The temperature differential is factory set at 1 F 0 5 C for the first stage Press either the V or button to adjust the 1 stage differential between 0 5 F 3 F 4 Either wait three seconds or press the AX button The display will indicate DIFFERENTIAL 2 5 The 2nd stage differential is factory set at 2 F 1 5 C Press either the or button to adjust the 2nd stage temperature differential between 1 F 6 F 1 C 3 C 6 Either wait three seconds or press the lt button The display will indicate AUTOCHANGE DEADBAND 7 Press either the or button to adjust the deadband between 2 F 8 F 1 0 C 4 5 C
8. T REQUIRE A DRILLED HOLE FOR DRYWALL 8 Drill the marked holes using a 3 16 drill bit if mounting on a sur face other than drywall 9 Align base with plastic anchors and feed wires through opening 10 Secure base to wall with supplied screws NOTE THE THERMOSTAT WILL MOUNT HORIZONTALLY ON A SINGLE GANG JUNCTION BOX 11 Strip end of wires 5 16 if needed 12 Terminal screws are already loose and ready for wire insertion Insert wires into terminal strip Figure 5 matching the label to the corresponding terminal see Wiring Diagrams below Tighten screws 13 Make sure wire connections are secure 14 Push access wire back through opening N e V Oololololo Figure 5 Wiring Diagrams for 9555 9555 WIRING SAMPLE 1 Typical 1 heat 1 cool system w1 Y1 B o G w2 Y2 9555 WIRING SAMPLE 2 Typical 1 stage heat 2 stage cool system l i i 1 i i 9555 WIRING SAMPLE 3 Typical 2 stage heat 1 stage cool system c R wij Y1 B o G w2 Y2 9555 WIRING SAMPLE 4 Typical 2 stage heat 1 stage cool system c R w1j Y1 B o G w2 Y2 TERMINAL LEGEND 9555 EQUIPMENT TO CONNECT REQ TERMINAL FUNCTION 24VAC common connectio
9. hort jumper across terminals on the gas valve or at the system control to test installation This will damage the thermostat and void the warranty Step 1 Replacing Existing Thermostat 1 Turn off power to heating and cooling system 2 Remove cover from o d thermostat to expose wires Figure 1 Figure 1 3 Disconnect wires one at a time from existing terminals Use enclosed labels to mark existing wires Refer to cross references in Table 1 if existing wiring does not directly match the labels Old Terminal New Label Description C XorB C 24 VAC Transformer Common Side R V VR or VR R R 24 VAC Return W1 or W w1 1st Stage Heating Control Y Y1 or M Y 1st Stage Cooling Control O or R 0 Reversing Valve Cooling Mode B B Reversing Valve Heating Mode ForG G Fan Control Relay Y2 Y2 2nd Stage Cooling Control W2 or W U W2 2nd Stage Heating Control NOTE THIS THERMOSTAT REQUIRES A 24V COMMON WIRE FOR PROPER OPERATION Table 1 2 f you have any questions about cross referencing the old terminal to the new label reference your equipment installation manual a licensed contractor or call Robertshaw Technical Support at 800 445 8299 4 Remove existing thermostat base from wall C Recycling Thermostat If this thermostat is replacing a thermostat that contains mercury in a sealed tube do not place your old thermostat in the garbage Contact your
10. n Yes For input of 24VAC common side of transformer 24VAC hot connection For input of 24VAC hot side of transformer Second stage cooling connection Energizes on a call for second stage cooling aux First stage compressor connection Energizes on a call for first stage of cooling First stage heat connection Energizes on a call for first stage of heating Second stage heat connection Energizes on a call for second stage heating aux Indoor fan connection Energizes with W1 W2 Y1 and Y2 terminals or with FAN option switched to the ON position Accessory Energizes when in the in COOL mode Accessory Energizes when in the HEAT or EM modes This thermostat can be used as a heat only or cool only thermostat therefore it is not always necessary to use both W1 and Y1 The 0 and B terminals are accessory terminals that typically are used for zoning applications 15 Set the GAS ELEC switch to either GAS for a gas oil heating sys tem or ELEC for an electric heating system LARA ers o XN a Ef k U ORO C o o ONG NON HP ro a aN L X GAS ELECTRIC Switch Figura 6 16 A temperature limiting jumper has been included in this thermo stat Cutting this jumper J3 limits the heating setpoint to no greate
11. r than 72 F and the cooling setpoint to no lower than 78 F Figure 7 Cut the J3 jumper to enable temperature limiting HAUS ens o ele omg d OQ pc O hO SE Hi O o U ORO C o OKO 0 9 v9 wj o GAS ELEC Figure 7 17 Replace thermostat cover by snapping into place 18 Turn on power to system Test thermostat as described in the fol lowing section Step 3 Testing the Thermostat A WARNING DO NOT SHORT JUMPER ACROSS TERMINALS OF GAS VALVE OR SYSTEM CONTROL TO TEST OPERATION THIS WILL DAMAGE THE THERMO STAT AND VOID YOUR WARRANTY CAUTION DO NOT SWITCH SYSTEM TO COOL IF THE TEMPERATURE IS BELOW 50 F 10 C THIS CAN DAMAGE THE AIR CONDITION ING SYSTEM AND CAUSE PERSONAL INJURY 1 Place the AUTO HEAT OFF COOL switch into the COOL position AUTO HEAT 2 Press the V button until the temperature setting xA COOL is at least 3 degrees below the room temperature The air conditioning system should turn on within a few seconds NOTE ONCE THE THERMOSTAT TURNS OFF WHEN IN THE COOL MODE A BUILT IN 5 MINUTE DELAY PREVENTS THE SYSTEM FROM TURN ING ON AGAIN THIS PROTECTS THE COMPRESSOR NO ADDI TIONAL TIME DELAY RELAY IS REQUIRED TO OVERRIDE THE 5 MINUTE DELAY FOR INSTALLATION PRESS THE RESET BUTTON
12. thermostat under warranty provided it is returned within the warranty period postage prepaid with proof of the date of purchase Cost of thermostat removal or reinstallation is not the responsibility of Climate Controls Americas Repair or replacement as provided under this warranty is the exclusive remedy of the consumer Climate Controls Americas shall not be liable for any incidental or consequential damages for breach of any express or implied warranty on this product or under any other theory of liability Except to the extent prohibited by applicable law any implied warranty of merchantability or fitness for a particular purpose on this product is limited to the duration of this warranty Some states do not allow the exclusion or limitation of incidental or consequential damages or allow limitations on how long an implied warranty lasts so the above limitations or exclusions 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 warranty returns send thermostat shipping prepaid to Climate Controls Americas Warranty Claims Department 515 S Promenade Corona CA 91719 Climate Controls Americas 191 E North Avenue Carol Stream Illinois 60188 United States of America 2003 Climate Controls Americas 110 975D 12
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