Trane Variable Refrigerant Flow System Mini Outdoor Unit Series Manuel d'installation télécharger pdf (Page 17)

VRF-SVN33A-EN 17

Refrigerant Piping

Figure 12. Y-joint and distribution header connection

Storing Refrigerant Piping

To prevent foreign materials or water from entering the pipe, storing method and sealing method

(especially during installation) is very important. Apply correct sealing method depending on the

environment (see Table 10).

Evacuating Refrigerant

The mini outdoor unit ships with the following amount of refrigerant. Evacuate the unit of all ship-

with refrigerant before installing refrigerant piping.

Indoor units

Distribution header

Mini outdoor unit

Table 10. Refrigerant pipe storage factors

Storage location

Storage

time

Sealing

type

Outdoor

Longer than one

month

Pipe

pinch

Shorter than one

month Taping

Indoor — Taping

Ship-with refrigerant amount by unit type

3 ton unit 4 ton unit 5 ton unit

7.1 lbs 7.1 lbs 7.3 lbs

1 2 ... 12 13 14 15 16 17 18 19 20 21 22 ... 51 52

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Trane Variable Refrigerant Flow System Mini Outdoor Unit Series Manuel d'installation Page 17