Heatcraft Refrigeration Products SRN User Manual

BNRCUTB
April 2007
(Replaces 503.4A, 04/03)
REMOTE INDOOR COMPRESSOR UNITS
Model SRN - Semi-Hermetic Reciprocating Compressor
Technical Guide
Table of Contents
Features & Benefits ..................................................................................................
Performance Data, High & Medium Temperature (R-22/R-404A/R-507) ...................
Performance Data, Low Temperature (R-404A/R-507) ..............................................
Electrical Data ..........................................................................................................
Nomenclature
S R N 0500 H 2 C
3-4
5
6
7-9
Semi-Hermetic Reciprocating
Remote
Indoor
Model Size
Application
H = High Temp. M = Med. Temp. L = Low Temp. E = Extra Low Temp.
Voltage
B = 208-230/1/60 G = 230/1/60 C = 208-230/3/60 D = 460/3/60 E = 575/3/60
Refrigerant
2 = R-22 6 = R-404A/R-507
© 2007 Heatcraft Refrigeration Products LLC
2
Standard Features & Benefits
• Pre-bent tubing reduces the possibility of leaks
• Spring mounted compressors with suction and discharge vibration eliminators (models 0499 and above)
• Fixed low pressure switch (adjustable on low temp models)
• Fixed high pressure switch
• Easy access refrigerant piping
• Pressure relief valve
• More spacious, pre-painted electrical box
• Pump down switch
• 230 volt control circuit transformer on 460 volt models
• Semi-hermetic reciprocating compressors
• Captive door fasteners
• Single electrical connection location
• Shipped with dry nitrogen charge
• Heavy duty base plate
• Plastic conduit on all wiring runs
• Receiver sized for 100 feet of liquid line capacity
• Sealed liquid line filter drier with sight glass
• Removable electrical box from compressor access from the front
NOTES: SRN pictured with optional suction accumulator, liquid solenoid valve, sealed suction filter and head pressure valve
3
Standard Features & Factory Installed Options
The indoor SRN remote compressor unit is specifically designed for use in supermarket, restaurant, warehouse and other commercial and industrial applications. The design focuses on ease of installation and maintenance along with the flexibility to fit most application requirements.
Standard Features
• Fixed low pressure switch (adjustable on low temp models)
• Fixed high pressure switch
• Pump down switch
• Compressor contactor and control circuit fusing
• 230V control circuit transformer on 460V units
• Removeable electrical box provides convenient front access to the oil pump and compressor
• Standard 16-3/4” tall box - (large 29-1/4” tall box is standard when defrost components are selected)
• Sealed liquid line filter drier and sight glass
• Oil pressure switch (when required)
• Shell and tube condenser with outlet shut-off valve, charging port and pressure relief device
• Solid mounted compressors (models up to 0400)
• Spring mounted compressors with suction and discharge vibration eliminators (models 0499 and above)
• Compressor head cooling fan (when required)
• Compressor solid state protection model (on units with 4D compressors)
Factory Installed Options
• Dual pressure switch
• Oil separator with discharge check valve
and oil return hand valve
• Compressor and control circuit breaker
• Two tier rack
• Suction accumulator
• Sealed suction filter
• Replaceable core suction filter (0300-2200)
• Replaceable core liquid filter (0300-2200)
• Liquid line solenoid valve
• Spring mounted compressors with suction and discharge vibration eliminators (models 0075 to 0400)
• Crankcase heater
• Air defrost timer
• Electric defrost kit. Kit includes timer, evaporator fan contactor, defrost heater contactor(s), lockout relay and terminal block
• Remote load fusing for electric defrost kit. Includes evaporator fan motor and defrost heater fuses
• Fixed head pressure control valve
• Beacon II
• Demand cooling for low temperature R-22 (contact factory)
compatible (contact factory)
N.Y. MEA
4
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