Lennox-international-inc 505 Manuel d'utilisateur
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- Page / 16
- Table des matières
- MARQUE LIVRES
Noté. / 5. Basé sur avis des utilisateurs
02/06 505,021M
*2P0206* *P505021M*
E2006 Lennox Industries Inc.
Dallas, Texas, USA
Humiditrol
®
EDA Series Unit
The Dave Lennox Signature
t
Collection Humiditrol
®
En-
hanced Dehumidification Accessory (EDA) is designed for
installation with a Lennox R−410A split−system outdoor unit
and an air handler or a furnace with a variable speed blow-
er. This accessory is designed for indoor installations in ei-
ther upflow or horizontal air discharge applications. This
unit is for use only on R−410A systems with thermal
expansion valves.
Prior to installation, study the decision tree on page
16 to confirm that all application requirements for
EDA installation are met.
NOTE − For downflow application, refer to Installation In-
struction Supplement, Installing EDA Unit in Downflow
Configuration 505,134M.
Shipping & Packing List
S 1 − Assembled EDA indoor unit
S 1 − Bag assembly (includes check/flow restrictor for
use on EDA coil, EDA notification label).
S 1 − Outdoor fan relay and wiring harness (used only
with outdoor units equipped with variable speed fan
motors)
Check the components for shipping damage. If any dam-
age is found, immediately contact the last carrier.
Other Required Components
Separately-ordered components are restricted to those
listed in the Engineering Handbook and the price book:
S SignatureStat
t
thermostat [Outdoor Sensor (46M98)
included],
− Single-stage (81M26)
− Multi−stage (81M27)
− Multi−stage heat-pump (81M28)
S Twisted Pair Wire (84X49) for outdoor sensor to ther-
mostat − Required for use with SignatureStatt.
S 75VA 24VAC indoor unit transformer (12P61) − Re-
quired when EDA unit is installed with a two-stage heat
pump system.
S Humiditrol
®
EDA Insulation and Piping Kit (refer to ap-
plications information in Lennox Engineering Hand-
book)
INSTALLATION/
SERVICE
INSTRUCTIONS
Humiditrol
®
Enhanced Dehumidification
Accessory (EDA) Units
ACCESSORIES
505,021M
02/06
Supersedes 01/06
RETAIN THESE INSTRUCTIONS
FOR FUTURE REFERENCE
Table of Contents
EDA Series Unit 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Shipping & Packing List 1. . . . . . . . . . . . . . . . . . . . . . . .
Other Required Components 1. . . . . . . . . . . . . . . . . . . .
General Information 1. . . . . . . . . . . . . . . . . . . . . . . . . . .
Unit Dimensions 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation Dimensions and Arrangement 3. . . . . . . . .
Component Functions 4. . . . . . . . . . . . . . . . . . . . . . . . . .
General Installation Information 5. . . . . . . . . . . . . . . . .
Electrical Wiring 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
EDA Installation Flow Chart & Procedures 5. . . . . . . .
Leak Testing, Evacuation, Charging 8. . . . . . . . . . . . . .
Insulating and Sealing the Unit 9. . . . . . . . . . . . . . . . . .
Other System Components 9. . . . . . . . . . . . . . . . . . . . .
How the EDA Unit Works 10. . . . . . . . . . . . . . . . . . . . . . .
Cooling Mode with Dehumidification ON 10. . . . . . . . . .
Cooling Mode (Dehumidification OFF) 11. . . . . . . . . . . .
Heating Mode (Heat Pump Applications) 11. . . . . . . . . .
Air Resistance Table 13. . . . . . . . . . . . . . . . . . . . . . . . . . .
Repair Parts List 13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Wiring Diagrams 13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Decision Tree 16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
General Information
NOTE − These instructions are intended as a general guide
and do not supersede local codes in any way. Consult au-
thorities having jurisdiction before installation.
The Humiditrol
®
EDA unit will operate to dehumidify, as re-
quired, when ambient temperatures are below 95ºF. When
temperatures reach 95ºF, the cooling and dehumidification
requirements will both be satisfied by the increased sys-
tem runtime. In applications that include a Humiditrol
®
EDA unit, a call to activate the dehumidification mode at or
above 95ºF is unnecessary and would not be issued or al-
lowed by the SignatureStatt room thermostat.
Prior to system checkout, consider the outdoor ambient
temperature. REMEMBER, the EDA unit does NOT
function in temperatures at or above 95ºF. Plan testing
to be conducted when temperatures are between 65ºF and
95ºF to ensure proper EDA set up and checkout operation.
IMPORTANT
The approved application for the EDA Series unit is
restricted to those listed in the Engineering Hand-
book and price book.
Litho U.S.A.
- INSTALLATION/ 1
- INSTRUCTIONS 1
- IMPORTANT 2
- AIR FLOW 3
- Component Functions 4
- Electrical Wiring 5
- Figure 4 6
- UPFLOW POSITION 7
- 6 ft. max 7
- 2 ft. max 7
- EDA Unit Operation 10
- Figure 10 11
- Figure 11 11
- Check List 12
- Air Resistance 13
- Repair Parts 13
- Wiring Diagrams 13
- Figure 12 14
- Control Wiring 14
- Figure 13 15
- Figure 14 16
- Humiditrol 16
- Decision Tree 16
Résumé du contenu
Page 1 - INSTRUCTIONS
02/06 505,021M*2P0206* *P505021M*E2006 Lennox Industries Inc.Dallas, Texas, USAHumiditrol® EDA Series UnitThe Dave Lennox Signaturet Collection Humidi
Page 2 - IMPORTANT
Page 10EDA 01/06EDA Unit OperationThe EDA coil is added to an HVAC system downstream ofthe indoor coil. In dehumidification mode, the coil becomesan e
Page 3 - AIR FLOW
Page 11EDA INSTALLATION/ SERVICE INSTRUCTIONSCooling Mode (Dehumidification OFF)Figure 10 illustrates refrigerant flow in cooling mode (dehu-midifica
Page 4 - Component Functions
Page 12EDA 01/06Check Listn Checkpoint What to Check ActionThermostat andSensorWiring Confirm Sensor connected to SignatureStatt using twisted pairwir
Page 5 - Electrical Wiring
Page 13EDA INSTALLATION/ SERVICE INSTRUCTIONSAir ResistanceTable 2 shows air volume and total air resistance for theavailable EDA models.Table 2Air R
Page 6 - Figure 4
Page 14EDA 01/06Figure 12Typical EDA/Condensing Unit Wiring DiagramINDOORUNITB4FANBlueYellowBlackK11st, cut yellowwire here.Use Wirenuts*OUTDOOR RELAY
Page 7 - 2 ft. max
Page 15EDA INSTALLATION/ SERVICE INSTRUCTIONSTypical EDA/Heat Pump Wiring DiagramFigure 13B4FANBlueYellowBlackK11st, cutyellow wirehere.Use Wirenuts*
Page 8
Page 16EDA 01/06Upflow/horizontalNOTE − AIR HANDLER REQUIRESFIELD−FABRICATED TRANSITIONBETWEEN BLOWER OUTLETAND EDA COIL.[If furnace] Select indoorcoi
Page 9
Page 2EDA 01/06WARNINGThis cased product contains fiberglass wool. Dis-turbing the insulation during installation, mainte-nance, or repair will expose
Page 10 - EDA Unit Operation
Page 3EDA INSTALLATION/ SERVICE INSTRUCTIONSInstallation Dimensions and ArrangementFigure 1AIR FLOWAIR FLOWUP-FLOW FURNACEUP-FLOW AIRHANDLEREDA−024B:
Page 11 - Figure 11
Page 4EDA 01/06Component FunctionsCharge CompensatorThe charge compensator(shown in figure 5) serves to maintain the proper amount ofrefrigerant circ
Page 12 - Check List
Page 5EDA INSTALLATION/ SERVICE INSTRUCTIONSGeneral Installation InformationWARNINGImproper installation, adjustment, alteration, ser-vice or mainten
Page 13 - Wiring Diagrams
Page 6EDA 01/06Required Parts (all applications)EDA Unit, with check/flow restrictor & labelAppropriate SignatureStatt Thermostat46M98 − Outdoor S
Page 14 - Control Wiring
Page 7EDA INSTALLATION/ SERVICE INSTRUCTIONSINDOORUNITOUTDOORUNITair−flowVaporLineLiquidLineLiquid Line fromOutdoor UnitLiquid Line toIndoor TXVTXVVa
Page 15 - Figure 13
Page 8EDA 01/06Leak Testing, Evacuating, ChargingIMPORTANTThe 3−way diverting valve actuator shaft setscrew(see figure 7) is factory set and is not to
Page 16 - Decision Tree
Page 9EDA INSTALLATION/ SERVICE INSTRUCTIONSInsulating and Sealing the UnitIMPORTANTAll piping, metering devices, and connections mustbe insulated to
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