System Heat Pump Outdoor Unit - MegaFrio

System Heat Pump Outdoor Unit - MegaFrio System Heat Pump Outdoor Unit - MegaFrio

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Refrigerant piping installation CRUN1008T0 Example : 6 indoor units connected : outdoor unit : 1st branch : indoor units : sealing ➲ Piping diameter (A) - Liquid pipe : Ø15.88mm(5/8 inch) - Gas pipe : Ø28.58mm(9/8 inch) ➲ Total pipe length = A+a+b+c+d+e+f ≤ 220m L l H h Longest pipe length A+f ≤ 100m 24 Outdoor Unit 50m H A h Longest pipe length after 1st branch f ≤ 30m A 15m Difference in height(outdoor ↔ indoor) a B C C 1 2 b c d C C 3 4 L 100m Branch pipe can not be used after header H ≤ 50m ( 40m : outdoor is lower than indoor units)* Difference in height (indoor ↔ indoor) h ≤ 15m * Indoor unit should be installed at lower position than the header X e C 5 D l 30m f C 6

◆ Combination of Y branch/header method CRUN458S0 Example : 5 indoor units connected : outdoor unit : 1st branch (branch union) : Y branch : indoor unit : header : sealing : downward indoor unit ➲ Piping diameter (A) - Liquid pipe : Ø12.7mm(1/2 inch) - Gas pipe : Ø19.05mm(3/4 inch) ➲ Refrigerant pipe diameter from branch to branch (B,C) ➲ Total pipe length = A+B+C+a+b+c+d+e ≤ 100m 30m H Downward indoor unit total capacity [kW(Btu/h)] L l H h ~3.8(13,000) ~8.2(28,000) ~15.0(51,000) Longest pipe length A+B+b ≤ 70m Longest pipe length after 1st branch B+b ≤ 30m A A B B Liquid pipe [mm(inch)] Ø6.35(1/4) Ø9.52(3/8) Ø12.7(1/2) Difference in height(outdoor ↔ indoor) H ≤ 30m ( 20m : outdoor is lower than indoor units)* Difference in height (indoor ↔ indoor) h ≤ 12m * Indoor unit should be installed at lower position than the header C 1 C D Refrigerant piping installation c d e 3 D 4 D 5 D a L 70m l 30m Branch pipe can not be used after header b Gas pipe [mm(inch)] Ø12.7(1/2) Ø15.88(5/8) Ø19.05(3/4) X E 2 D G 12m h Installation Manual 25 F ENGLISH

◆ Combination of Y branch/header method<br />

CRUN458S0<br />

Example : 5 indoor units<br />

connected<br />

: outdoor unit<br />

: 1st branch<br />

(branch union)<br />

: Y branch<br />

: indoor unit<br />

: header<br />

: sealing<br />

: downward<br />

indoor unit<br />

➲ Piping diameter (A)<br />

- Liquid pipe : Ø12.7mm(1/2 inch)<br />

- Gas pipe : Ø19.05mm(3/4 inch)<br />

➲ Refrigerant pipe diameter from branch to branch (B,C)<br />

➲ Total pipe length = A+B+C+a+b+c+d+e ≤ 100m<br />

30m<br />

H<br />

Downward indoor unit total capacity<br />

[kW(Btu/h)]<br />

L<br />

l<br />

H<br />

h<br />

~3.8(13,000)<br />

~8.2(28,000)<br />

~15.0(51,000)<br />

Longest pipe length<br />

A+B+b ≤ 70m<br />

Longest pipe length after 1st branch<br />

B+b ≤ 30m<br />

A<br />

A<br />

B<br />

B<br />

Liquid pipe<br />

[mm(inch)]<br />

Ø6.35(1/4)<br />

Ø9.52(3/8)<br />

Ø12.7(1/2)<br />

Difference in height(outdoor ↔ indoor)<br />

H ≤ 30m ( 20m : outdoor is lower than indoor units)*<br />

Difference in height (indoor ↔ indoor)<br />

h ≤ 12m<br />

* Indoor unit should be installed at lower position than the<br />

header<br />

C<br />

1<br />

C<br />

D<br />

Refrigerant piping installation<br />

c<br />

d e<br />

3 D<br />

4 D 5 D<br />

a<br />

L 70m<br />

l 30m<br />

Branch pipe can not be used<br />

after header<br />

b<br />

Gas pipe<br />

[mm(inch)]<br />

Ø12.7(1/2)<br />

Ø15.88(5/8)<br />

Ø19.05(3/4)<br />

X<br />

E<br />

2<br />

D<br />

G<br />

12m<br />

h<br />

Installation Manual 25<br />

F<br />

ENGLISH

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