McQuay M5WMX Especificaciones descargar pdf (Pagina 19)

Refrigerant piping work

Piping length and elevation

If the pipe is too long, both capacity and reliability of the unit will drop. As the number of bends increases,

resistance to the flow of refrigerant system increases, thus lowering cooling capacity. As a result, the com-

pressor may become defective. Always choose the shortest path and follow the recommentdations as

tabulated below.

Individual indoor unit can have a maximum length of 20 m (65.6ft), maximum elevation of 5 m (32.8ft) and

maximum number of bends of 10, however, the total pipe length must not exceed 30m (M5MSX20AR), 50m

(M5MSX025AR) or 60m (M5MSX030AR) depending on the model of the outdoor unit.

Remark: The refrigerant pre-charged in the outdoor unit is for total piping length up to 20m for model

M5MSX020A/AR and 40m for model M5MSX025A/AR and M5MSX030A/AR.

VERTICAL HEIGHT

DIFFERENCE MAX. H

OUTDOOR UNIT

INDOOR UNIT

Long Piping

Item Model

M5WMX010

G/GR

M5WMX015

G/GR

M5WMX020

G/GR

O/D

Precharged

Charge Amount for Additional

Piping Length

M5MSX020A/AR 20 20 20 20m 25m 30m

(1 to 2) (Total length L

= 30m)

1650g

0 +100g +200g

M5MSX025A/AR 20 20 20 40m 45m 50m

(1 to 3) (Total length L

+ L

= 50m)

2320g

0 +100g +200g

M5MSX030A/AR 20 20 20 40m 50m 60m

(1 to 4) (Total length L

+ L

= 60m)

0 +200g +400g

Coupling Model M5WMX010G/GR M5WMX015G/GR M5WMX020G/GR

Max. Elevation, H (m/ ft) 5 5 5

Max. Number of Bends 10 10 10

Liquid Pipe Size 1/4” 1/4” 1/4”

Gas Pipe Size 3/8” 1/2” 1/2”

1 2 ... 14 15 16 17 18 19 20 21 22 23 24 ... 66 67

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