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Figure 18: Typical Refrigeration Circuit for Heat Pump Unit with Modulating Hot Gas Reheat (DPS 007–015 shown)
V
C
OS
V
C
OS
REC.
V
C
Piping Schematic: Rebel
7.5T MOD-Hot Gas Reheat
OS
V
C
Indoor Coil
OS
SVR
EVI
Outdoor Section
Indoor Section
Reheat Coil
CHV
RHV
Outdoor Coil
EVO
subcooler
CV
¼”
OD
5/8
”
OD
3/4
”
OD
7/8
”
OD
1/2
”
OD
5/16
”
OD
17
51
52
Item
Description
EVI
Indoor coil electronic
expansion valve
EVO
Outdoor coil electronic
expansion valve
CV
Check Valve, size 3-15 only
REC
Refrigerant Receiver
IDF
Indoor fan
ODF
Outdoor fan
COMP1
Inverter compressor
COMP3
Fixed speed compressor
(7½ thru 15 ton and 25-28
only)
SVB
Bypass solenoid valve
RHV
Reheat step valve
SVR
Receiver solenoid valve
CHV
Condenser step valve
OVI
Outdoor electronic
expansion valve
4WV
4-way heat pump valve
OS
Oil separator, size 3-15 only
IM-1125-13 • REBEL ROOFTOPS
24
www.DaikinApplied.com
Refrigeration System