Lennox ComfortSense 7500 Installation And Setup Manual
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Lennox ComfortSense 7500 Installation And Setup Manual

Color touchscreen programmable thermostat
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See also: User Manual , Installation and Setup Manual
Installation and Setup
Guide
Color Touchscreen
Programmable Thermostat
®
ComfortSense
7500 (13H14)

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Summary of Contents for Lennox ComfortSense 7500

  • Page 1 Installation and Setup Guide Color Touchscreen Programmable Thermostat ® ComfortSense 7500 (13H14)

  • Page 2: Table Of Contents

    Table of Contents Shipping and Packing List ® ComfortSense 7500 touchscreen, 7-day Shipping and Packing List ....programmable thermostat and back plate ® ComfortSense 7500 Thermostat .

  • Page 3: Comfortsense ® 7500 Thermostat

    Dimensions (H x W x D) ® ComfortSense 7500 Thermostat (Catalog No. 13H14) Case dimensions: 3-5/16 x 4-5/16 x 7/8 in. (84 x 110 x 22mm) Description Features Compressor Short-Cycle Protection ® The ComfortSense 7500 thermostat is an electronic 7-day universal multi‐stage A 5-minute compressor short-cycle protection...
  • Page 4 NOTE - The outdoor sensor uses standard thermostat wiring; it may be wired using two wires IMPORTANT of a multi-wire cable. The outdoor sensor must be connected to oper­ When the outdoor sensor is connected, the ® ate a system with a Humiditrol accessory.
  • Page 5 CAUTION CAUTION Always turn off power at the main power source This is a 24VAC low-voltage thermostat. Do not by switching the circuit breaker to the OFF posi­ install on voltages higher than 30VAC. tion before installing or removing this thermo­ Do not short (jumper) across terminals on the stat.

  • Page 6: Thermostat Installation

    THERMOSTAT INSTALLATION Before beginning installation, note the type of DO NOT S Install on voltages higher than 30VAC. equipment, number stages, accessories being installed. This thermostat is a S Short (jumper) across terminals on the gas 24VAC low-voltage thermostat and requires a valve or at the system control to test common wire to the thermostat to operate.
  • Page 7 Not close to entrance or automatic 4. Use steps A through J (step J applicable doors when using provided wall plate) to install the thermostat. Not close to heat generating equipment such as kitchen equipment Not in an enclose environment unless CUT OR DRILL A SMALL HOLE a remote indoor sensor is used.
  • Page 8 TRIM 1/4” INSULATION FROM END OF EACH WIRE (USE A LEVEL) ALIGN WALL PLATE 1/4” DRILL 3/16” HOLES AT MARKED LOCATIONS ON WALL FOR ANCHORS USE UNIT WALL PLATE AS TEMPLATE TO MARK DESIRED MOUNTING HOLE LOCATIONS ON WALL. NOTE: INSTALLATION OF WALL PLATE IS OPTIONAL.
  • Page 9 Thermostat Installation with Wall Plate F - Place wall plate over H - Attach back plate to wall J - Attach thermostat to holes in wall. plate. back plate. G - Insert wall anchors I - Insert provided screws through back through wall plate into wall.
  • Page 10 Thermostat Installation without Wall Plate G - Place back plate I - Attach thermostat to over wall anchors in wall. back plate. F - Insert wall anchors H - Insert provided screws through through wall plate into wall. back plate into wall anchors.

  • Page 11: Wiring Thermostat

    WIRING THERMOSTAT TERMINAL DESIGNATIONS Tc - Outdoor Temp. Sensor Connection 1 (Opt.) Thermostat wiring connections with various units, To - Outdoor Temp. Sensor Connection 2 (Opt.) including dual fuel, zone control, and applications Humidification relay (to Humidifier) ® that include Humiditrol Enhanced Dehumidification relay (to DS terminal)
  • Page 12 INDOOR UNIT FOR REMOVE Y1 TO DS OR HUMIDITROL R TO DS JUMPER ON APPLICATIONS EDA UNIT PURPLE OUTDOOR SENSOR (x2658) NOT REQUIRED SINGLE STAGE BLACK Y1-Y2 JUMPER (OR ON-BOARD CLIPPABLE LINK) – IN FOR SINGLE STAGE COOLING; REMOVED FOR 2- STAGE COOLING.
  • Page 13 Figure 4. CBX32MV-XXX-230-06 or Higher and CBX40UHV Wiring Diagrams (Condensing Unit Applications)
  • Page 14 Figure 5. CBX32MV-XXX-230-06 or Higher and CBX40UHV Wiring Diagrams (Heat Pump Unit Applications)
  • Page 15 WHEN 2-STAGE HEAT IS USED, THERMOSTAT IS CBX25UH AND CBX25UHV DO NOT HAVE TERMINAL CONFIGURED FOR MULIT-STAGE HEAT, CONNECT STRIPS IN UNIT. THERMOSTAT W2 TO AIR HANDLER W2 AND REMOVE JUMPER BETWEEN R AND W2. FOR HUMIDIFIER, 48G95 OR EQUIVALENT ISOLATION RELAY REQUIRED - 24VAC, 5VA MAX CAN BE USED WITH ALL THERMOSTAT CUT ON-BOARD LINK FORM DS-TO-R (W914...
  • Page 16 CB30 and CBX32M TSTAT ML180, ML193, ML195, EL180E, EL195E, ELO183, SLO185 TSTAT ML180, ML193, ML195, EL180E, EL195E, ELO183, SLO185 TSTAT Figure 7. Thermostat Wiring Diagrams (continued)
  • Page 17 CBX25UH, CBX25UHV, CBX32MV ML180, ML193, ML195, TSTAT EL180E, EL195E, ELO183, TSTAT SLO185 Figure 8. Thermostat Wiring Diagrams (continued)
  • Page 18 EL296E, EL296V, EL280P TSTAT TSTAT SL280V Figure 9. Thermostat Wiring Diagrams (continued)
  • Page 19 CBX25UH, CBX25UH, CBX25UHV, CBX25UHV, CBX32MV TSTAT CBX27UH TSTAT Figure 10. Thermostat Wiring Diagrams (continued)
  • Page 20 ML180, ML193, ML195, EL296E, SL280V, EL180E, EL195E, EL296V, SLP98 ELO183, SLO185 TSTAT TSTAT Figure 11. Thermostat Wiring Diagrams (continued)

  • Page 21: Menu (Installer Settings)

    Settings Menu menu 1. Press menu option from the home screen. 2. Press and hold the settings option on the notifications menu. This will display the installer settings notice and then menu. performance report installer settings < edit schedules installer settings must be set by qualified person.
  • Page 22 S When in heat mode and the outdoor SYSTEM SETUP temperature is above the programmed High Sets the thermostat for operation with either a Balance Point, then heat pump heating is non-heat pump or heat pump and defines the allowed and backup heat will not be used. number of compressor stages.
  • Page 23 Table 1. Smooth Set back Recovery (SSR) & SSR Stg 2 Lock Out Operation Equipment Available SSR = Enabled; SSR = Enabled; SSR Stg 2 lock out = enabled SSR Stg 2 lock-out = disabled (off) Run HP (Y1) only; all backup 1 stage HP with 1 or 2 heat (W1/W2) enabled 20 - Run HP (Y1) and have available backup...
  • Page 24 Table 1. Smooth Set back Recovery (SSR) & SSR Stage 2 Lock Out Operation (continued) Equipment Available SSR = Enabled; SSR = Enabled; SSR Stage 2 lock out = SSR Stage 2 lock-out = disabled (off) enabled Run HP (Y1/Y2) until a 2nd stage de­ Run HP (Y1/Y2) only;...
  • Page 25 DEADBAND SSR STAGE 2 LOCK OUT Default is 20 minutes. Use the + or - option to set Default is 2°F. The deadband setting is the the number of minutes before the programmed minimum difference between the cooling and event time that stage 2 is allowed to operate (20 to heating set points.
  • Page 26 STAGE DELAY TIMER STAGE 2 THROUGH 4 DIFF Default is ON. When ON, all stage delay timers (Where applicable) The default is 1.0°F but can be (stages 2, 3, and 4) are enabled and will serve to programmed between 0.5° and 8.0°F in 0.5°F bring on additional stage(s) of cooling or heating increments.
  • Page 27 STAGE 2 HP LOCK TEMP TEMP set point. Scroll to STAGE 2 HP LOCK TEMP; press ENTER. Use - + option to select a Default is off (heat pump stage 2 operates LOCK TEMP between -40 and 75ºF. Press < to normally).
  • Page 28 1st stage 1st stage Stages Stg1 Differential Locked = 2nd stage 2nd stage Stg2 Differential 1st stage 1st stage Stages Stg1 Differential Locked = 2nd stage 2nd stage Stg2 Differential SET­ SP -1.5 SP -1.0 SP -0.5 SP +0.5 SP +1.0 SP +1.5 SP +2.0 POINTS:...
  • Page 29 1st stage 1st stage Stages Stg1 Differential Locked = 2nd stage 2nd stage Stg2 Differential 3rd stage 3rd stage Stg3 Differential 1st stage 1st stage Stages Stg1 Differential Locked = 2nd stage 2nd stage Stg2 Differential 3rd stage 3rd stage Stg3 Differential SET­...
  • Page 30 1st stage 1st stage Stages Stg1 Differential Locked = 2nd stage 2nd stage Stg2 Differential 3rd stage 3rd stage Stg3 Differential 4th stage 4th stage Stg4 Differential 1st stage 1st stage Stages Stg1 Differential Locked = 2nd stage 2nd stage Stg2 Differential 3rd stage 3rd stage...
  • Page 31 1st stage 1st stage Stages Stg1 Differential Locked = 2nd stage 2nd stage NO or Stg2 Differential SET­ SP -3.0 SP -2.5 SP -2.0 SP -1.5 SP -1.0 SP -0.5 SP +0.5 POINTS: Figure 18. Heating - dual fuel - 2 stage (1 compressor / 1 backup) 1st stage 1st stage Stages...
  • Page 32 1st stage 1st stage Stages Stg1 Differential Locked = 2nd stage 2nd stage Stg2 Differential 3rd stage 3rd stage Stg3 Differential 1st stage 1st stage Stages Stg1 Differential Locked = 2nd stage 2nd stage Stg2 Differential 3rd stage 3rd stage Stg3 Differential SET­...
  • Page 33 1st stage 1st stage Stages Stg1 Differential Locked = 2nd stage 2nd stage Stg2 Differential 3rd stage 3rd stage Stg3 Differential 4th stage 4th stage Stg4 Differential 1st stage 1st stage Stages Stg1 Differential Locked = 2nd stage 2nd stage Stg2 Differential 3rd stage 3rd stage...
  • Page 34 COMPRESSOR PROTECT To set a reminder go to the User Settings screen and select reminders. The reminder setting Default is ON and it can be turned OFF, however screen will appear and a list all of the predefined only for one compressor cycle and then it will reminders plus the two custom reminders will revert back to ON.
  • Page 35 Table 2. Energy Saving Set Points Time Heating Cooling Wake 70°F (21°C) 78°F (25°C) NOTE - Humidification and dehumidifica­ tion are not part of the energy savings pro­ Leave 62°F (17°C) 85°F (29°C) gram. A higher utility bill may occur when not using the setpoints in this table.
  • Page 36 system test mode NOTICE Risk of equipment damage. Can cause compressor failure. In dual fuel system applications, do not turn on heat pump and furnace at the same time in sys­ tem test mode. All HVAC components can be tested to confirm the signals between thermostat and unit are being sent and were received.

  • Page 37: Humidity

    S humidification mode has been enabled, and Humidify S the unit is in HEAT mode, and Humidification (adding moisture to air) is provided only when the thermostat is in heat mode. The S humidification demand exists (24V present at humidification signal (H terminal) to the humidifier (off when the thermostat is in the COOL mode) controls humidification.
  • Page 38 Outdoor Temp (ºF) user dew point + 25 + adjustment set point cannot exceed +/-15% and Where: user dew point adjustment minimum is 15% and cannot exceed 45%. setpoint Dehumidification adjustment will change the Dehumidify relative humidity (RH) setting between 45 to 60% RH (default setting is 50% RH).
  • Page 39 NORMAL 2. Dehumidification has been enabled on installer settings In this mode, dehumidification occurs if these conditions are met and signals are present at 3. Unit is in COOL mode, (or if in AUTO, there specific terminals: has been at least one thermostat cooling call 1.
  • Page 40 ® NOTE - Humiditrol EDA operation requires use Heat only—Thermostat will cycle heating ON and of an outdoor sensor. If sensor is not connected maintain heating point. ® and Humiditrol EDA is enabled, “OUTDOOR Dehumidification functions are disabled. SENSOR REQUIRED” is displayed in the Heat/Cool—Dehumidification will only occur if a information display.

  • Page 41: Unit Part (Catalog) And Serial Number

    This maintain their last state. When power is restored identifies the Lennox Catalog Number, Part the thermostat will be in heat /cool mode so either Number and Serial Number. Separate the base...

  • Page 42: Appendix A. Flow Diagrams

    Appendix A. Flow Diagrams START HUMIDITROL RUN EQUIPMENT there a cooling IN NORMAL COOL­ Is indoor demand ING MODE temperature > 2ºF above heating set point RUN EQUIPMENT there a heating IN NORMAL HEAT­ demand ING MODE Humiditrol Com­ indoor temp. greater than the heat fort Adjust setting setpoint plus the cool...

  • Page 43: Appendix B. Diagnostic Information

    Appendix B. Diagnostic Information Priority 0:high Error Screen Message Action to Clear / Condition System Action 1:middle Code Text Type Recovery Condition 2:low All stages of heat are turned off High temperature protec­ Once temperature high tem­ by safety relay. tion when outdoor ambient drops below 96°F perature...
  • Page 44 Priority Error Screen 0:high Message Action to Clear / Condition System Action 1:middle Code Text Type Recovery Condition 2:low For Outdoor Temperature Sensor: No Humiditrol or Humidity oper­ ation. D terminal stays activated and other operation will continue to operate. Thermostat will stop the system operation if input from requires outdoor temperature informa­...
  • Page 45 Priority Error Screen 0:high Message Action to Clear / Condition System Action Code Text Type Recovery Condition 1:middle 2:low With humidifier or dehu­ midifier) and conditions are All humidity operation will stop as follows: and the reading for humidity 0%: Stat will detect error will not be valid.
  • Page 46 Priority Error Screen 0:high Message Action to Clear / Condition System Action Code Text Type Recovery Condition 1:middle 2:low replace me­ reminder Media Filter dia filter replace UV reminder UV Lamp lamp replace hu­ reminder Humidity Pad midity pad routine sys­ tem check- reminder Routine system check up...

  • Page 47: Appendix C. Supported Configurations

    Appendix C. Supported Configurations This thermostat support air conditioner and heat pump systems with one or two speed compressors. It also supports dual-fuel and Humiditrol accessory. For all possible configuration see table below. Back­ Backup/ up/In­ 2nd Em Comp. Heat 3rd Heat 4th Heat 1st Em Heat...
  • Page 48 Back­ Backup/ up/In­ 2nd Em Comp. Heat 3rd Heat 4th Heat 1st Em Heat Cool Indoor Heat Heat heat Cool Cool door stages Stages Stage Stage Stage Stages Heat Heat Stage Stage Stage Stage Stage Stages GAS/OIL W1+W2 ELEC. NONE GAS/OIL Y1+Y2 ELEC.
  • Page 49 Appendix D. Installation Checklist Item Item Number Is the thermostat level where mounted on the wall? Is the thermostat installed away from direct sunlight or dis­ charge air vents? Has the thermostat been wired correctly based on the type of equipment installed (air handler, outdoor unit and accessories? Is the thermostat wiring secured tightly to the terminals? Is the common wire (terminal C) connected?
  • Page 50 INDEX Enhanced Dehumidification Accessory, 12 Features, 3 Compressor Short Cycle Protection, 3 Custom Reminder, 34 Humidification Sensor Fault, 40 Humidify, 37 Dew Point Normal and Max, 37 Deadband, 25 Normal and Max, 37 Dealer Information, 25 Humidity Offset, 25 Dehumidify, 38 Humidity Setting, 34 Auxiliary Dehumidifier, 39 Humiditrol, 39...
  • Page 51 Menu Screen, 21 Stage Delay Timer, 26 Supported Configurations, 47 System Setup, 22 Outdoor Sensor, 4, 22 System Test Modes, 35 Outdoor Temperature Sensor, 3 Temperature Offset, 25 Reset Settings, 34 Terminal Designations, 11 Residual Cool, 22 Thermostat Installation, 6 Screws, 2 Unit Part (Catalog) &...
  • Page 52 ® U.S. Registered Trademark Model: 13H14 507504-01 4/2015 ©2015 Lennox Industries Inc. Supersedes 3/2015 Dallas, Texas, USA...

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