Additional QA Responses for LTV HVAC UPDATED.pdf

Updated Q&A Responses for LTV HVAC:

1. How are the units isolated - IE disconnect, breaker, fuse etc. and what is the size of the isolation device?

• Answer: Breaker 30A

2. Are the units on the same circuit or does each have a separate circuit?

• Answer: Separate

3. What is the size of the electrical service existing in the trailer (voltage and amps)?

• Answer: 120/208 70A Diesel Generator

4. How is the trailer grounded?

• Answer: Frame

5. What is the AWG of the existing power and ground conductors?

• Answer: Not visible due to conduit

6. Is there an external remote thermostat/sensor for temperature control of the units or just the mentioned remote controller?

• Answer: Just the remote

7. What size are the existing line sets?

• Answer: 3/8 or 1/2 inch

8. What is the refrigerant type of the existing units?

• Answer: Unknown (See LTV 5.jpg in attachements)

9. How far are the runs for the refrigerant lines, drain line, and power for each unit?

• Answer: 8 1/2 feet

10. Where does the condensate line penetrate the trailer to drain the water?

• Answer: Floor

11. Can the existing wire/tube chases and wire mold be reused?

• Answer: Yes

12. Do you require flexible refrigerant tubing on both ends of each line for each unit?

• Answer: No

13. Are "Sharkbite" type push connectors acceptable or do you want all connections soldered?

• Answer: Prefer Soldererd

14. Is the existing wire mold that is covering the Mini split cables and line set constructed into the trailer of just surface mounted and can be removed?

• Answer: Surface Mounted

15. What are the dimensions of each compartment where the condensing units are located -

Length, Width, and Depth. Is the outside opening the same size as the inside box or is it smaller, if so, what is the smaller dimension?

• Answer: 10.5 ft X 2ft 2in X 2ft 7 inches total. Door opening for each unit is 2ft high by 4ft wide

16. Can you provide a picture of the nameplate of the existing units?

• Answer: Yes – see attachments (LTV5.jpg)

17. What are the dimensions of the existing condensing unit?

• Answer: 33 X 25 X 12

18. What are the dimensions of the existing evaporator/fan unit?

• Answer: 40.5W X 13H X 10.5D

19. What is the clearance between the end of the unit where power is fed and the wall or obstruction in the box?

• Answer: 1 foot

20. Where will the trailer be located for the performance of the work?

• Answer: 746th Test Squadron, Holloman AFB, NM 88330

21. In photo LTV-1 there is cable coming down from the overhead and coiling up on the line set from the Mini split. Is this cable part of the Mini split, or unrelated?

• Answer: Unrelated

22. Mini Split systems are available with different SEER ratings for the same size unit. Are you looking for a middle of the range minimum SEER rating of 20 or for a lower or higher SEER rating?

• Updated Answer: Our primary concern is form/fit/function. A lower SEER rating is acceptable.

Please contact Chuck King (charles.king.42@us.af.mil) and Brett Moore (brett.moore.6@us.af.mil) with any questions.

mailto:charles.king.42@us.af.mil mailto:brett.moore.6@us.af.mil