Service manual

20
ADDITIONAL REFRIGERANT CHARGE (R410A: g)
SUZ-KA25VA2.TH SUZ-KA35VA2.TH SUZ-KA50VA2.TH
SUZ-KA60VA2.TH SUZ-KA71VA2.TH
MAX. REFRIGERANT PIPING LENGTH
Max. Length
A
+ Height difference limitations are binding regardless of which unit, indoor or outdoor, is position high.
+ Max. Height
difference
B
Indoor
unit
Outdoor unit
MAX. HEIGHT DIFFERENCE
Calculation : Xg=20g/m o (Refrigerant piping length(m)–7)
Calculation : Xg=55g/m o (Refrigerant piping length(m)-7)
Models
Outdoor unit
precharged
Refrigerant piping length (one way)
5m 6m 7m 8m 9m 10m 11m 12m 13m 14m 15m 20m
SUZ-KA25VA2.TH 800 0 0 0 90 120 150 180 210 240 270 300 450
SUZ-KA35VA2.TH 1,050 0 0 0 90 120 150 180 210 240 270 300 450
Calculation: Xg=30g/m
o
(Refrigerant piping length(m)-5)
Models
Refrigerant piping: m Piping size O.D: mm
Max. Length A
Max. Height difference B Gas Liquid
SUZ-KA25VA2.TH
20 12 9.52
6.35
SUZ-KA35VA2.TH
SUZ-KA50VA2.TH
30 30(15)
12.7
SUZ-KA60VA2.TH
15.88
SUZ-KA71VA2.TH 9.52
( ): MFZ-KA50VA-E4
Models
Outdoor unit
precharged
Refrigerant piping length (one way)
7m 10m 15m 20m 25m 30m
SUZ-KA50VA2.TH 1,600 0 60 160 260 360 460
SUZ-KA60VA2.TH 1,800 0 60 160 260 360 460
Models
Outdoor unit
precharged
Refrigerant piping length (one way)
7m 10m 15m 20m 25m 30m
SUZ-KA71VA2.TH 1,800 0 165 440 715 990 1,265
OCH472A