Enertech WD240 Manuale utente





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





    

   

Installation & Operations Manual



Revision D

20D814-10NN

Enertech Global IOM, WD Models

Secon 1: Model Nomenclature and AHRI Performance Data

 ................................................................................................................................... 3

 .................................................................................................................................................... 3

Secon 2: Installaon Introducon

 .................................................................................................................................................................... 4

........................................................................................................................................................ 5

 .................................................................................................................................................................... 5

Secon 3: Installaon Consideraons

 ................................................................................................................................................................ 6

 ............................................................................................................................ 7

Secon 4: Unit Data Informaon

 ................................................................................................................................... 8

........................................................................................................................................................... 9

Secon 5: Unit Piping Installaon

 ................................................................................................................................................................ 10

Secon 6: Anfreeze

 ....................................................................................................................................................... 11

 ................................................................................................................................... 12

Secon 7: Controls

Features ........................................................................................................................................................................ 13

 ................................................................................................................................................... 17

Secon 8: Wiring Diagrams: WD 240 Series

 ........................................................................................................................................ 18

 ........................................................................................................................................ 19

Secon 9: Equipment Start-Up Procedures

................................................................................................................................................ 20

 ............................................................................................................................................ 21

........................................................................................................................................................ 22

................................................................................................................................ 23

Secon 10: Troubleshoong

 .................................................................................................................................................24-26

 ......................................................................................................................................... 27

 .................................................................................................................................... 27

 ............................................................................................................. 27

Secon 11: Warranty Forms & Revision Table

 .................................................................................................................................................................... 28

........................................................................................................................................................... 29

Revision Table ................................................................................................................................................................ 30

IOM, WD Models Enertech Global



ENERTECH GLOBAL, LLC

2506 S. ELM STREET

GREENVILLE, IL 62246

(618) 664-9010















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 

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







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W D 240

Stage:

D = Tandem Compressor

Type:

W = Water-To-Water

Brand:

G = GeoComfort

H = Hydron Module

T = TETCO

Unit Capacity (Nominal MBTUH):

240, 360

Revision:

D = Current Revision

Voltage:

2 = 208/230V, 60Hz, 3Ph (Commercial)

3 = 460V, 60Hz, 3Ph (Commercial)

4 = 575V, 60Hz, 3Ph (Commercial)

5 = 380V, 60Hz, 3Ph (International)

6 = 200/220V, 50Hz, 3Ph (International)

7 = 380V, 50Hz, 3Ph (International)

8 = 575V, 60Hz, 3Ph (International)

Hot Water Configuration:

0 = None

Standard:

SS = Stock Standard

Exchanger Options:

B = Standard (Brazed Plate)

Blower Options:

A = N/A

Discharge Air Options:

A = N/A

Return Air Options:

A = N/A

D20AAABSS

1:Brand

2:Type

3:Stage

4, 5, 6: Unit Capacity

7: Revision

8:Voltage

9: Hot Water Configuration

10: Return Air Options

11: DischargeAir Options

12: Blower Options

13: Exchanger Options

14& 15:Standard

*two stage - dual single stage compressors

*NOTE:

1. EXPORT SHEET1: TO PDF MAKE SURE TO LEAVE LINE WEIGHTS

ON IN PDF OPTIONS WHEN EXPORTING FILE.

SAVEFILEIN

B:\ENGINEERING\RECORDS\Component Drawings\PDF

WITH THE CURRENT REV. AT THE END OF THE FILE NAME.

MOVE OLD REV. FILE TO THE OBSOLETE FOLDER.

2. EXPORT SHEER2: TOPDFMAKESURETOLEAVELINEWEIGHTS

ON IN PDF OPTIONS WHEN EXPORTING FILE.

SAVEFILEIN

P:\Engineering\Drawings-PDF\NOMENCLATURE

MAKE SURE .PDF FILE NAME MATCHES THE OLD REV.

THAT YOU ARE REPLACING.

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3. DON'T FORGET: TO FILL OUT THE DESCRIPTION

IN THE .IPT FILE iPROPERTIES



    

   

Secon 1: Model Nomenclature and AHRI Performance Data

Unit Model Nomenclature Decoder

AHRI Ground Loop and Ground Water Heat Pump Performance Data

Ground Loop (GL) Notes:











Mbtu/hr COP Mbtu/hr EER

Ground Loop Full Load 222,400 3.3 240,700 15.2

Ground Loop Part Load 130,600 4.3 142,000 21.8

Ground Loop Full Load 318,000 3.3 316,500 14.6

Ground Loop Part Load 189,750 4.3 191,700 19.6

30 TON

HEATING COOLING

MODELS APPLICATION

20 TON

Enertech Global IOM, WD Models

Secon 2: Installaon Introducon

Introducon











Noces, Cauons, Warnings, & Dangers:

“NOTICE”





“CAUTION”





“WARNING”



“DANGER” 



Inspecon



















Note:





Un-packaging































⚠ CAUTION ⚠

Do not operate the geothermal heat pump unit during

building construcon phase.

Unit Protecon

















Storage









Removal and Disposal









Pre-Installaon

















IOM, WD Models Enertech Global

⚠ CAUTION ⚠

GEOTHERMAL equipment is designed for indoor

installaon only. DO NOT install or store unit in

a corrosive environment or in a locaon where

temperature and humidity are subject to extremes.

Equipment is not cered for outdoor applicaons. Such

installaon will void all warranes.

Pre-Installaon Steps

1. 





2. 







3. 





4. 





Secon 2: Installaon Introducon

Components

Master Contactor: 

Logic Board: 





Terminal Strip:



Transformer:

Low Voltage Breaker: 



Reversing Valve:



High Pressure Switch:





Low Pressure Switch:



Flow Switch (Freeze Protecon Device): 



(SOLD SEPARATELY)

Compressor (Copeland Scroll): 





⚠ CAUTION ⚠

Before drilling or driving any screws into cabinet, check

to be sure the screw will not hit any internal parts or

refrigerant lines.

Enertech Global IOM, WD Models

Enertech Global D-I-Y Policy





































Equipment Installaon













Electrical







Thermostat







Unit Placement







1. Service Access.





 







 



Pre-Installaon







⧠ 

⧠





Secon 3: Installaon Consideraons

IOM, WD Models Enertech Global









































•

• • • • • • •

Acceptable Operating Conditions

45°F

40°F

35°F

30°F

25°F20°F

15°F10°F

100°F

110°F

115°F

120°F

125°F

130°F

SCROLL COMPRESSOR OPERATING CONDITIONS (WATER TO WATER)

HEATING MODE OPERATION

Source Entering Water Temperature

• • • • •

70°F

65°F

60°F

55°F

50°F

FAILURE ZONE

Acceptable Operating Conditions

Outside Safe Operating Range

•

••

•

75°F

•

80°F

FAILURE ZONE

Load Leaving Water Temperature

Safety

Factor

Safety

Factor

































Secon 3: Installaon Consideraons

Guidelines For Heang Mode Operaon

Enertech Global IOM, WD Models

Secon 4: Unit Data Informaon

Unit Dimensional and Physical Data

XV. Physical Dimensions

20 & 30 Ton Series

Model

Ground

Hydronic

Inlet

Outlet

Inlet

Outlet

20 Ton

2.0 MPT

30 Ton 2.0 MPT 2.0 MPT 2.0 MPT 2.0 MPT

Physical Data

20 Ton

30 Ton

Compressor

Compliant Scroll

Expansion Device

Thermostatic

Transformer (VA)

50 or 55

150

Weight (lbs)

800

1010

150

IOM, WD Models Enertech Global

Secon 4: Unit Data Informaon

Unit Electrical Data

20D237‐19NN:WD240/WD360ElectricalData

Volts Phase LRA RLA

2 208/230 3 239.0 ea. 33.3 ea. 0.0 0.0 66.6 74.9 100

3 460 3 125.0 ea. 17.9 ea. 0.0 0.0 35.8 40.3 50

4 575 3 80.0 ea. 12.8 ea. 0.0 0.0 25.6 28.8 40

5 380 3 145.0 ea. 23.7 ea. 0.0 0.0 47.4 53.3 70

6 200/220 3 239.0 ea. 34.6 ea. 0.0 0.0 69.2 77.9 110

7 380 3 118.0 ea. 17.9 ea. 0.0 0.0 35.8 40.3 50

8 575 3 80.0ea. 12.8 ea. 0.0 0.0 25.6 28.8 40

2 208/230 3 340.0 ea. 55.8 ea. 0.0 0.0 111.6 125.6 175

3 460 3 173.0 ea. 26.9 ea. 0.0 0.0 53.8 60.5 80

4 575 3 132.0 ea. 23.7 ea. 0.0 0.0 47.4 53.3 70

5 380 3 196.0 ea. 34.0 ea. 0.0 0.0 68.0 76.5 110

6 200/220 3 325.0 ea. 50.6 ea. 0.0 0.0 101.2 113.9 150

7 380 3 173.0 ea. 25.0 ea. 0.0 0.0 50.0 56.3 80

8 575 3 132.0 ea. 23.7 ea. 0.0 0.0 47.4 53.3 70

WD240

Model

Voltage

Code/ HWG

Option

60 Hz OR (50 Hz6)

Power Compressor

Notes:

1. All line and low voltage wiring must adhere to the National Electrical Code and local codes, whichever is the

most stringent.

2. In determining the correct supply wire size and maximum length, reference NFPA 70, Section 310. If the

calculation is close to the maximum allowable ampacity of a particular wire size, use the next size up. This will

ensure that no adverse effects occur, such as light dimming and/or shortened compressor life. 3. Min/Max

Voltage: 208/230/60 = 187-252, 460/60 = 432-502, 575/60 = 540-630, 380/50 = 327-418, 200/220/50= 172-242

4. See Wiring Diagrams for proper 460V and 575V power.

5. Voltage Code/ HWG Option 5, 6, & 7 are 50 Hz.

WD360

Max

Brkr

HACR

HWG

Pump

FLA

Ext.

Loop

Pump

FLA

Total

Unit FLA

Min

Circuit

AMPS

Enertech Global IOM, WD Models

Water Quality















































Water Quality Table

Secon 5: Unit Piping Installaon



  











 

Carbonate   

Corrosion

   

Total Dissolved Solids   



   



   



See Note 4   

Chlorine   

   





Iron Bacteria   

   

Erosion    



   



Notes:

 

 

 



 



 

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