WhisperKool 4000i Specifications download pdf (Page 14)

PS 102513

Page 12 | 1-800-343-9463

INSTALLING THE WALL MOUNTED EVAPORATOR (FAN COIL UNIT)

9. Using 1/4” and 1/2” copper tubing, route the liquid and

suction lines through the knockouts in the wrapper. Be sure

to extend the tubing far enough outside of the wrapper

to extend through the wall if necessary. Note: ½” copper

tubing will slip over the 3/8” suction line on the evaporator

for an easy connection.

10. Remove the solenoid coil and wrap the solenoid valve with

a wet rag to prevent overheating.

11. To prevent oxidation, purge nitrogen through the system.

12. Braze the copper tubing to the connections on the

evaporator unit.

13. Insulate the suction line using Armaex or similar insulation.

14. Cut a short piece of ½” drain line and connect a ½” barb 90

to the drain line.

15. Route the drain line out of the wrapper through the hole for the drain line. Use the second barb 90 if

going through the bottom of the wrapper. Be sure to extend the tubing far enough outside the wrapper

to extend through the wall if necessary.

16. Using the cable ties and cable tie mounts provided, secure the drain line to the bottom of the wrapper to

ensure a downward slope.

17. If you have purchased the Active Humidity Option, route the ¼” water line out of the evaporator unit

with the line set.

18. Route the power supply wires into the unit through the knockout.

19. Remove the wire nuts from the black, white and green wires located in the lower left corner of the

evaporator unit.

20. Following the supplied wiring diagram, connect the power supply wires to the black, white and green

wires using the supplied wire nuts (Hot=Black, Neutral=White, Ground= Green).

21. Install the supplied black strain relief to secure the power supply wires in the housing.

22. Route the display adapter through the grommet below

the drip dray and into the blower compartment.

23. Connect the display adapter to the circular connector for

the display located in the lower left corner of the housing.

24. If the unit was equipped with the Active Humidity Option,

route the communication cable from the desired control

mounting location into the evaporator unit.

25. Connect the communication cable to the circular

connector located in the lower left corner of the housing.

26. Secure all wiring neatly and close to the left wall to

minimize obstructing the airow.

27. Attach the supplied bottle probe to the circular connector

on the bottom of the unit. Follow the directions on page

14 for correct installation and placement of the bottle

probe.

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WhisperKool 4000i Specifications Page 14

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