Gree GC201808-III, Service Manual

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GREE GMV5 HR HEAT RECOVERY UNITS
64
(6) Bra
nch selection of mode exchanger (“A1, A2”)
Select branch of mode exchanger as per total capacity of downstream indoor unit(s). Please refer to
the following table.
Model selection for branch
“A1/A2”of mode exchanger;
R410A refrigerant
system
Total Capacity of the Downstream Indoor Unit X(Btu/h) Model
Y-Type Branch Pipe
X≤17100
FQ01Na/A
17100<
X≤72000
FQ02Na/A
72000<
X≤96000
FQ03Na/A
96000<
X≤232000
FQ04Na/A
232000<
X≤327500
FQ05Na/A
327500<X FQ06Na/A
(7) Piping size among upstream branches of mode exchanger (
“n1/n2/n3/n4”)
Piping requirement among upstream branches of mode exchanger (
“n1/n2/n3/n4”)
Total rated capacity of downsteam
indoor units: Q(Btu/h)
Size of connection pipe between branches of mode exchanger
Low pressure gas pipe
mm(inch)
Liquid pipe
mm(inch)
High pressure gas pipe
mm(inch)
Q≤17100 Φ12.7(1/2) Φ6.35(1/4) Φ12.7(1/2)
17100<
Q≤48500 Φ15.9(5/8) Φ9.52(3/8) Φ12.7(1/2)
48500<
Q≤72000 Φ19.05(3/4) Φ9.52(3/8) Φ15.9(5/8)
72000<
Q≤96000 Φ22.2(7/8) Φ9.52(3/8) Φ19.05(3/4)
96000<
Q≤120000 Φ28.6(1-1/8) Φ12.7(1/2) Φ22.2(7/8)
120000<
Q≤144000 Φ28.6(1-1/8) Φ12.7(1/2) Φ22.2(7/8)
144000<
Q≤168000 Φ28.6(1-1/8) Φ15.9(5/8) Φ22.2(7/8)
168000<
Q≤216000 Φ28.6(1-1/8) Φ15.9(5/8) Φ28.6(1-1/8)
216000<
Q≤240000 Φ34.9(1-3/8) Φ15.9(5/8) Φ28.6(1-1/8)
240000<
Q≤312000 Φ34.9(1-3/8) Φ19.05(3/4) Φ28.6(1-1/8)
312000<
Q≤336000 Φ34.9(1-3/8) Φ19.05(3/4) Φ28.6(1-1/8)
336000<C
Φ41.3(1-5/8) Φ19.05(3/4) Φ34.9(1-3/8)
(8)
Piping size among downstream branches of mode exchanger ”a/h”
Rated capacity of indoor unit C(Btu/h)
Piping size among downstream branches of mode exchanger
Gas Pipe mm(in.) Liquid Pipe mm(in.)
C≤9500 Φ9.52(3/8) Φ6.35(1/4)
9500<
C≤17100 Φ12.7(1/2) Φ6.35(1/4)
17100<
C≤48500 Φ15.9(5/8) Φ9.52(3/8)
(9)
Branch selection of downstream indoor unit of mode exchanger (”B1
、
B2
、
B3
”)
R410A refrigerant system
Total rated capacity of downsteam
indoor units: X(Btu/h)
Model
Y-type branch
X≤48500
FQ01A/A
(10) Piping size between mode exchanger and downstream indoor unit (
“ b/c/d/g”)
Rated capacity of indoor unit C(Btu/h)
Pipe between mode exchanger and IDU
Gas Pipe mm(inch) Liquid Pipe mm(inch)
C≤9500 Φ9.52(3/8) Φ6.35(1/4)
9500<
C≤17100 Φ12.7(1/2) Φ6.35(1/4)
17100<
C≤48500 Φ15.9(5/8) Φ9.52(3/8)