System Heat Pump Outdoor Unit - MegaFrio
System Heat Pump Outdoor Unit - MegaFrio System Heat Pump Outdoor Unit - MegaFrio
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
- Page 1 and 2: System Heat Pump Outdoor Unit INSTA
- Page 3 and 4: Safety Precautions Safety Precautio
- Page 5 and 6: Install the air conditioner accordi
- Page 7 and 8: Do not install the outdoor unit at
- Page 9 and 10: Cautions before the test run Turn o
- Page 11 and 12: Combination with indoor and Outdoor
- Page 13 and 14: Installation Space Individual Insta
- Page 15 and 16: Collective / Continuous installatio
- Page 17 and 18: Installation Location of anchor bol
- Page 19 and 20: Refrigerant piping installation A T
- Page 21 and 22: Refrigerant piping system ◆ Y bra
- Page 23: ◆ Header Method CRUN458S0 Example
- Page 27 and 28: ◆ Indoor Unit Connection 50m H A
- Page 29 and 30: Branch pipe Fitting A A Y branch He
- Page 31 and 32: Airtight Test and Evacuation (1) Ai
- Page 33 and 34: Electrical Wiring Areas of Caution
- Page 35 and 36: Transmission and Power Lines 1) Tra
- Page 37 and 38: ◆ Example Connection of Transmiss
- Page 39 and 40: ◆ The Procedure of Automatic Addr
- Page 41 and 42: Group Number Setting for Indoor Uni
- Page 43 and 44: ◆ Position of rotary switch on th
- Page 45 and 46: Test Run Checks Before Test Run 1 2
- Page 47 and 48: Self-Diagnosis Function Error Indic
- Page 49 and 50: Position of the LED01Y in inverter
- Page 51 and 52: Piping Diagram CRUN458S0 4way valve
- Page 53 and 54: Preparation of Piping Appendix Main
- Page 55 and 56: HEAT INSULATION Appendix 1. Use the
- Page 57 and 58: 3. Grouped drain piping Appendix 1)
- Page 59 and 60: Indoor unit A B C D E F G H I J K L
- Page 61 and 62: Prior to power on Outdoor unit Indo
- Page 63 and 64: MANUALE D’INSTALLAZIONE MODELLO N
- Page 65 and 66: Precauzioni di sicurezza Precauzion
- Page 67 and 68: Installare il condizionatore d’ar
- Page 69 and 70: Non installare l’unità esterna s
- Page 71 and 72: Avvertenze per l’esecuzione dei t
- Page 73 and 74: Combinazione con le unità interne
◆ 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