Table of Contents
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Shipping and Packing List ......................................................................................2
General .....................................................................................................................2
Required Items Sold Separately.............................................................................2
Recommended Items Sold Separately ..................................................................3
Dimensions ..............................................................................................................3
Terminals, Wiring Recommendations and Electrical Characteristics ................4
Sensors ....................................................................................................................5
Discharge Air Temperature Sensor (DATS) .........................................................5
and Voltage Chart ................................................................................................5
Outdoor Air Temperature Sensor (OATS) ...........................................................6
Transformer Phasing...............................................................................................6
Damper Wiring .........................................................................................................6
Pressure Switch.......................................................................................................7
Staged Heat Pump Units......................................................................................8
Variable Capacity Heat Pump Units (XP20 and XP25) ........................................8
Freezestat (Optional) ...............................................................................................8
Zoning 401 Setup and Configuration .....................................................................9
Establishing the Baseline .....................................................................................9
Mapping the Design .............................................................................................9
Sizing the System ..............................................................................................10
Testing the Zones ............................................................................................... 11
Lennox Communicating Indoor Control Link Settings ......................................12
iHarmony
Zoning System - Damper Control Module (10C16)
®
Installation and Setup Guide
Table of Contents
Zone Control Settings during Thermostat Initial Commissioning .......................15
Zone Control Settings after Thermostat Initial Commissioning ..........................15
Changing Zone Name ........................................................................................15
Setting Up Scheduling for Each Zone ................................................................15
Design and Map Airflow Per Zone Using Target Air Temperatures ....................16
Zoning CFM Tables ................................................................................................17
Zoning Parameters ................................................................................................20
Zoning Control Parameters ................................................................................20
Zoning Control Parameters Listed Under Smart Hub ........................................20
Zoning Sequence of Operations ..........................................................................21
Heating / Cooling Changeover ...........................................................................21
Damper Operation..............................................................................................22
Dual-Fuel Operation ...........................................................................................22
Emergency Heat Operation - Heat Pump Systems ...........................................22
Humidity Control ...................................................................................................22
Soft Disable ............................................................................................................22
Troubleshooting ..................................................................................................23
Resetting the Thermostat or HVAC Equipment..................................................23
Zoning Alert Codes ...............................................................................................23
iHarmony Zoning ...................................................................................................27
Airflow Setup Procedure by Static Pressure Worksheet ...................................27
507132-04 5/2020
Supersedes 4/2020
2020
Lennox Industries Inc.
©
Dallas, Texas, USA
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Related Manuals for Lennox iHarmony 10C16
Summary of Contents for Lennox iHarmony 10C16
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Page 1: Table Of Contents
Zoning Alert Codes ....................23 Sizing the System ....................10 iHarmony Zoning ....................27 Testing the Zones ....................11 Airflow Setup Procedure by Static Pressure Worksheet ........27 Lennox Communicating Indoor Control Link Settings ........12 iHarmony Zoning System - Damper Control Module (10C16) ® 507132-04 5/2020... -
Page 2: Shipping And Packing List
Heat Pump Applications Only: Consumption: HFC-410A high pressure switch (550PSI) (27W13) and valve 5VDC sensor supply The damper control module is compatible with the following Lennox equipment: depressor tee (87071) are and 0.5-4.5VDC • Lennox communicating variable speed or variable capacity (modulating) required. -
Page 3: Recommended Items Sold Separately
2” (50mm) Recommended Items Sold Separately Figure 1. Dimension Lennox recommends for furnace applications the use of air baffles to help in mixing the supply air for better Discharge Air Temperature Sensor accuracy. Table 2. Recommended Air Baffles for Furnaces... -
Page 4: Terminals, Wiring Recommendations And Electrical Characteristics
Terminals, Wiring Recommendations and Electrical Characteristics IMPORTANT Use 18AWG unshielded thermostat cable (field-provided) for power terminals (R and C). Highly recommend using 18 - 22AWG shielded thermostat cable for communications terminals (I+ and I-) which will help eliminate any noise interference. Table 4. -
Page 5: Sensors
Installation of discharge air temperature sensor (DATS) must comply with the screws. following requirements: • Connect wires to DATS on damper control module, NOT on the Lennox • Installed downstream of the heat exchanger or electric heat elements. communicating indoor unit control. -
Page 6: Outdoor Air Temperature Sensor (Oats)
Table 6. DATS Temperature / Resistance Chart External 24VAC Lennox Communicating Transformer Furnace or Air Handler Sensor VDC (Volts) Sensor VDC (Volts) Remove R to R wire when i− testing. Replace wire when °C °F (ohm) °C °F (ohm) testing is completed. -
Page 7: Pressure Switch
A field-provided HFC-410A high pressure switch (catalog number 27W13) is requirements should not exceed 60VA. required for applications with a Lennox heat pump. This switch protects the NOTE: Connections illustrated here are for the Lennox recommended spring- system in the event a high pressure condition occurs in the outdoor unit during open/power -close dampers. -
Page 8: Staged Heat Pump Units
• If the unit is already running in first-stage when the pressure switch opens, the unit will shut off. • If the switch closes within 60 seconds, then the Lennox communicating series FREEZESTAT thermostat may send a demand for second-stage heat pump if needed. -
Page 9: Zoning 401 Setup And Configuration
connection to the damper control module. Verify High Cooling airflow to default ((1 and 2 stage units only).. » » Set Airflow Profile - Cooling to option “D” for specific use in cooling test A freezestat, sized per “Table 7. Available Freezestats” and ordered separately, can be installed. -
Page 10: Sizing The System
Cooling Circulation Airflow per zone: 15KW = 15,000 Watts How to convert electric heat watts to BTUs/Hr ◊ Enter the recommended CFM per zone for the cooling load per 15,000 Watts X 3.413 = 51,195 BTUs/Hr zone maintaining CFMs above the minimum CFM values per Verify Zoning Target Air Temp for HP Heating is 90°F (10°... -
Page 11: Testing The Zones
Verify IDBP <79% and record value. until the thermal balance point is established in the ade- quate air range of the zoning map. Verify DAT has approached cooling target temp setting without exceeding it during 100% cooling rate. ◊ For staged units: ◊... -
Page 12: Lennox Communicating Indoor Control Link Settings
+ if minimum air CFM was selected to specifically accom- modate duct sizes >79% IDBP the DAT will run higher When using the iHarmony zoning system with a Lennox communicating In- ® as per the zoning map temperature ranges. door unit and non-communicating (24VAC) outdoor unit all applicable control + Verify DAT operating temp is less than zoning heating links illustrated in “Figure 7. - Page 13 1 second OFF. See “Table 10. LEDs” on page 13 for further SENSE A HFC-410A high pressure switch (catalog number details. 27W13) is required for applications with a Lennox RSBus activity. Active communications with external device heat pump. This switch acts as a guard in case of...
- Page 14 4. Remove flat metal jumpers between W1, W2 and W3 on the Lennox Air Handler Control. W1, W2 and W3 NOTE: Interlock switch alarm 370 is activated when cutting W914 link on a two-stage communicating Lennox IFC. Figure 7. Damper Control Jumpers LEDs and Connections...
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Page 15: Icomfort S30 Ultra Smart Thermostat - Installer Zoning Control Settings
9. When the iHarmony Zoning screen appears, select each zone listed to iComfort S30 Ultra Smart Thermostat - Installer Zoning rename it if desired. The system provides predefine names or a custom Control Settings name can be added. Press done when completed and press continue to proceed. -
Page 16: Design And Map Airflow Per Zone Using Target Air Temperatures
2. Once the desire zone is on the screen, select modes/schedules. Mapping Overview 3. Select schedules • Mapping the zoning will allow you to select an operating temperature design 4. From this screen, you may select from any predefined schedules (schedule based on the blower tables. -
Page 17: Zoning Cfm Tables
Zoning CFM Tables IMPORTANT All recommended CFM settings are mid-range temperature rise values per stage per unit. All CFM combinations must be <79% indoor blower power. Table 11. SLP98 Zoning SLP98UH SLP98UH SLP98UH SLP98DF MODEL SLP98UH070 SLP98UH110 SLP98UH135 SLP98DF070 SLP98DF090 SLP98DF110 090-36 090-48... - Page 18 Table 14. SL280 Zoning SL280UH SL280UH SL280UH SL280UH SL280DF SL280DF SL280DF SL280DF MODEL SL280UH070 090-36/48/ 090-60 110-60 135-60 070-36 090-48 090-60 110-60 Per Zone Airflow Range 5 CFM inc 590 - 1200 795 - 1600 795 - 1740 980 - 2145 1165 - 2150 590 - 1295 775 - 1700...
- Page 19 Table 18. CBX32MV CFM Per Kw Range CBX32MV-018/24 CBX32MV-024/30 CBX32MV-036 CBX32MV-048 CBX32MV-060 CBX32MV-068 MODEL 2.5 - 9 Kw 4 - 15 Kw 4 - 20 Kw 4 - 25 Kw 4 - 25 Kw 5 - 25 Kw Min CFM per Schedule A Recommended CFM on Max Kw listed @ 60°...
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Page 20: Zoning Parameters
Zoning Parameters Table 23. Smart Hub Parameters Parameter Description Zoning Control Parameters This screen provides information concerning language supported, equipment type name, control software revision, model, control 1. Select Menu. mode number, control serial number, control hardware revision, About protocol revision number, device product level, 24VAC average 2. -
Page 21: Zoning Sequence Of Operations
Table 23. Smart Hub Parameters Table 23. Smart Hub Parameters Parameter Description Parameter Description The maximum airflow CFM is the factory default value for each In cooling mode, this setting sets the discharge air temperature particular unit. Depending on each unit’s configuration, the default low limit. -
Page 22: Damper Operation
The Lennox communicating thermostat will not show a alert code for a soft Dual-Fuel Operation disabled control. When soft disabling occurs only the control that has been... -
Page 23: Troubleshooting
• A new communicating device has been added to the system since the original configuration setup was completed. • Go to menu > settings > advanced settings > view dealer control center > equipment and press reset all equipment. This will allow the system to auto-detect any Lennox communicating devices attached. - Page 24 Critical Missing DEVICE2 persists then clear by reconfiguring • If problem persists, then check all system components (devices) connections to make sure they are Lennox the system. communicating compatible. • Go to menu > settings > advanced settings > view dealer control center > equipment and press reset all equipment.
- Page 25 Table 24. Alert Codes and Troubleshooting Initial notification of critical alerts will pop up on the home screen and will be listed under notification menu. Minor and moderate alerts are found only under the notification menu. Actual Alert Priority Displayed Alert Component or System Operational State and Troubleshooting Tip How Alert Code is Cleared Code...
- Page 26 Table 24. Alert Codes and Troubleshooting Initial notification of critical alerts will pop up on the home screen and will be listed under notification menu. Minor and moderate alerts are found only under the notification menu. Actual Alert Priority Displayed Alert Component or System Operational State and Troubleshooting Tip How Alert Code is Cleared Code...
- Page 27 Table 24. Alert Codes and Troubleshooting Initial notification of critical alerts will pop up on the home screen and will be listed under notification menu. Minor and moderate alerts are found only under the notification menu. Actual Alert Priority Displayed Alert Component or System Operational State and Troubleshooting Tip How Alert Code is Cleared Code...
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Page 28: Iharmony Zoning
iHarmony Zoning Airflow Setup Procedure by Static Pressure Worksheet Job Name: ____________________________________ Date: ___________________________ Dealer Name: ____________________________ Technician: ____________________________ 1. Furnace: ___________________________________________________________________ 2. Condensing Unit: ____________________________________________________________ 3. Indoor Coil: _________________________________________________________________ 4. How is the return connected to the furnace? _______________________________________ 5.