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ENGINEERING DATA
Minimum-Maximum Operating Conditions
Min.-Max. Inlet Air Pressure (compressed air at inlet to dryer)
Max. Inlet Air Temp. (compressed air at inlet to dryer)
Min.-Max. Ambient Temperature
Refrigeration System Data
Compressor Type
Refrigeration Compressor Horsepower
BTU/HR-Refrigeration Only
@ 35°F Evaporator & 100°F Ambient
Refrigerant Type
Refrigerant Charge
Suction Pressure Setting (controlled by hot gas by-pass valve) - psig (barg)
Condenser Fan Switch Setting (in-out) - psig (barg)
Air Flow Across Condenser (cfm)
Condenser Cooling Water Requirements (water-cooled
models only) gpm@85°F (40 psig min. Pressure)
Electrical
Nominal Voltages
Max.-Min. Voltage
Rated Load Amps
Locked Rotor Amps
Minimum Circuit Ampacity
Branch Circuit Fuse Size (amps)
Watts @ 35°F Evaporator & 100°F Ambient
Overload
Nominal Voltages
Max.-Min. Voltage
Rated Load Amps
Locked Rotor amps
Minimum Circuit Ampacity
Branch Circuit Fuse Size (amps)
Watts @ 35°F Evaporator & 100°F Ambient
Overload
Nominal Voltages
Max.-Min. Voltage
Rated Load Amps
Locked Rotor Amps
Minimum Circuit Ampacity
Branch Circuit Fuse Size (amps)
Watts @ 35°F Evaporator & 100°F Ambient
Overload
ELECTRICAL SCHEMATIC
Models RHP50, RHP64, RHP93,
RHP100 and RHP178
L1
L2
PBS
RHP50
6
60 Hz / 50 Hz
60 Hz / 50 Hz
60 Hz / 50 Hz
L1
L2
FOR
208/230-1-60
ONLY
SR
S
C
3
1
MTR
OL
R
SR
1LT
G
FPS
FM
2LT
HTS
R
SOL
RHP50
5 psig (0.3 bar) See Serial Tag for Maxium Pressure
Air-cooled: 35°F (1.7°C)-110°F (43°C) / Water-cooled: 35°F (1.7°C)-130°F (54°C)
Heremetic - Resistance Start, Induction Run - Non-Cycling
1/4
2160 / 1800
See dryer serial number tag
N/A
275 / 229
NA
5.9
28.0
7.3
15
465
Thermal & Current (Auto reset)
253-207
3.0
14.4
3.7
15
465
Thermal & Current (Auto reset)
2.6
14.5
3.2
15
395
Thermal & Current (Auto reset)
PBS
SR
CAP
S
C
3
1
MTR
OL
R
SR
1LT
G
FPS
FM
2LT
HTS
R
SOL
RHP64 & RHP93
RHP64 & RHP93
RHP100 & RHP178
120°F (49°C)
1/2
3/4
4430 / 3692
6020 / 5017
R-134a
31.5 (2.2)
N/A
180-130 (12.4-9.0)
350 / 292
530 / 440
NA
2.2 / 1.8
115/1/60
127-104
10.3
14.7
48.0
66.3
12.4
17.5
20
25
815
1060
208-230/1/60
253-187
253-197
5.1
8.3
23.0
33.5
5.2
10.5
15
15
815
1060
220-240/1/50
264-198
4.2
7.6
21.0
53.0
5.2
9.9
15
15
669
930
LEGEND
PBS - Push Button Switch
1LT - Power On Light
2LT - High Temperature Light
SR - Start Relay
MTR - Compressor
FM - Fan Motor
HTS - High Temperature Switch
OL - Overload
SOL - Programmable Electric Drain
CAP - Start Capacitor
FPS - Fan Pressure Switch
CT - Contactor w/115v coil
SW - On/Off Switch
RHP100 & RHP178
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