Lennox International Inc 021, 505 Air Resistance, Repair Parts, Wiring Diagrams

Page 13

Air Resistance

Table 2 shows air volume and total air resistance for the available EDA models.

Table 2

Air Resistance

 

Air Volume

 

Total Air Resistance

 

 

 

 

 

Model No.

cfm

 

L/s

in. w.g.

Pa

EDA−024B

400

 

190

0.05

12

 

 

 

 

 

 

 

600

 

285

0.10

25

 

 

 

 

 

 

 

800

 

380

0.15

37

 

 

 

 

 

 

 

1000

 

470

0.22

55

 

 

 

 

 

 

EDA−036C

600

 

285

0.05

12

 

 

 

 

 

 

 

800

 

380

0.08

20

 

 

 

 

 

 

 

1000

 

470

0.11

27

 

 

 

 

 

 

 

1200

 

565

0.15

37

 

 

 

 

 

 

 

1400

 

660

0.20

50

 

 

 

 

 

 

EDA−060DB

1000

 

470

0.05

12

 

 

 

 

 

 

 

1200

 

565

0.06

15

 

 

 

 

 

 

 

1400

 

660

0.08

20

 

 

 

 

 

 

 

1600

 

755

0.10

25

 

 

 

 

 

 

 

1800

 

850

0.11

27

 

 

 

 

 

 

 

2000

 

945

0.13

32

 

 

 

 

 

 

 

2200

 

1040

0.15

37

 

 

 

 

 

 

Repair Parts

S3−way diverting valve assembly

SCheck/flow restrictor

SEDA Relay

SOutdoor unit relay

STeflon seals

Wiring Diagrams

Typical condensing unit and heat pump wiring diagrams are provided in figures 12 and 13. Some modifications to certain units may be necessary.

Connect the EDA unit with the indoor and outdoor units, and to the thermostat. Be sure the outdoor sensor is installed and connected to the SignatureStatt thermo- stat’s outdoor sensor terminal block. Table 3 shows the re- quirements for control wiring.

Table 3

Control Wiring Requirements

Units:

(all)

(with LSOM)

(without LSOM)

 

 

Signa-

 

Indoor unit to:

 

 

 

 

 

 

 

 

 

 

tureS-

Humidi-

 

Out-

 

Out-

 

 

trol®

Signatu-

door

Signatu-

door

 

System

tatt to

 

EDA

reStatt

unit

reStatt

unit

 

type

Sensor

 

 

 

 

 

 

 

2 stage

 

 

9*

6

8*

4

 

AC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1 stage

2

 

8*

5

7*

3

 

AC

 

 

(twisted

3

 

 

 

 

 

2 stage

 

 

 

 

 

pair)

 

10*

8

9*

7

 

HP

 

 

 

 

 

 

 

 

 

1 stage

 

 

9*

7

8*

6

 

HP

 

 

 

 

 

 

 

 

 

 

 

*Includes conductor for 2−stage heat

 

 

 

 

 

 

 

 

 

 

Page 13

EDA INSTALLATION/ SERVICE INSTRUCTIONS

Image 13
Contents Table of Contents Humiditrol Enhanced Dehumidification Accessory EDA UnitsHumiditrol EDA Series Unit Shipping & Packing ListEDA Model Dimensions − Inches mm Unit DimensionsFurnace Shown Installation Dimensions and ArrangementPosition Furnace Shown Check/Flow Restrictor Operation Component FunctionsEDA Unit Parts Arrangement EDA−024B EDA−036C EDA−060D Electrical Wiring General Installation InformationEDA Installation and Checkout Flow Chart Required Parts all applications EDA Installation & Checkout Flow ChartDetails Typical Installation Horizontal Air Handler shownLeak Testing, Evacuating, Charging Insulating and Sealing the Unit Setting ThermostatOther System Components Blower ControlOperation Notes EDA Unit OperationCooling Cycle with EDA Coil Active Model EDA−036C shown Cooling Cycle with EDA Coil Inactive Model EDA−036C shown Check List Demand Signals − Humiditrol EDA EnabledWiring Diagrams Repair PartsControl Wiring Requirements Air ResistanceControl Wiring Typical EDA/Condensing Unit Wiring DiagramTypical EDA/Heat Pump Wiring Diagram Start