Refrigeration Piping - Daikin RoofPak RPS Series Installation And Maintenance Manual

Refrigeration Piping

This section presents the unit refrigeration piping diagrams for
the various available configurations.
Figure 5: Circuit Schematic
B
A
J
D
Figure 6: Condenser Piping, Scroll Compressors, 1 to 3 Compressors Per Circuit Provided (015C - 105C)
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M
N
L K
1
C o m p r e s s o r # 3
C o m p r e s s o r # 1
D i s c h a r g e L i n e s
C i r c u i t # 1
C i r c u i t # 2
C
I
H G F E
2
L i q u i d L i n e s
C i r c u i t # 1
C i r c u i t # 2
C o m p r e s s o r # 2
7
Introduction
Legend
A - Compressor (1, 2, or 3 per circuit)†
B - Discharge line †
C - Condenser coil †
D - Evaporator coil*
E - Manual shutoff valve†
F - Filter-drier*
G - Liquid line solenoid valve*
H - Sightglass*
I - Liquid line
J - Suction line
K - Thermal expansion valve*
L - Distributor*
M - Hot gas bypass and solenoid valve (optional)†
N - Hot gas bypass lines (optional)
*Supplied on RFS units
†Supplied on RCS units
Legend
1 - Discharge shut-off valve—Circuit #1
2 - Liquid shut-off valve—Circuit #1
3 - Liquid shut-off valve—Circuit #2
4 - Discharge shut-off valve—Circuit #2
3
O p t i o n a l
H o t G a s
B y p a s s
L i n e s
C i r c u i t # 1
C i r c u i t # 2
S u c t i o n
L i n e s
C i r c u i t # 1
C i r c u i t # 2
4
C o m p r e s s o r # 4
IM 926-3 • ROOFPAK APPLIED SYSTEMS