Features & Benets. ............................................................................................ ................................................3
Application Data .................................................................................................. ................................................4
Unit Specications .............................................................................................................................................. 5
Performance Data ........................................................................................................................................... 6-8
Physical and Dimensional Data ..................................................................................................................... 9
Electrical Data ............................................................................................................................................. 10-11
• Component location and unit size are all optimized for easy eld
replacements or new installations where space is limited.
• Extra space is provided inside the electrical box for service and installation
of additional components.
• Copeland hermetic and scroll compressors for low and medium temperature
operation using R-22 and R404A.
• All units are provided with a water regulating valve for superior head
pressure control.
• An extra capacity receiver with liquid shut-o valve is provided for
installations with long refrigerant lines.
• A pumpdown switch is provided on all models for eld servicing.
Serviceability
• Easy access to the large electrical panel for service diagnostics or options.
• Color-coded wire harnesses are all labeled and coded for easy identication.
• A suction line rotolock service valve is provided on the compressor
for service.
• An additional shut o valve is mounted in the discharge line of the
compressor for quick and easy compressor to enable the service technician to
isolate the compressor for service.
• Schrader valves permit recovery of refrigerant isolated in compressor for
quick and easy compressor change if ever needed.
Quality
• Piping is laid out to minimize stress and vibration for quieter operation.
• Easy to verify leak-free unit by checking for the nitrogen holding charge
Schrader valve on the discharge or suction service valve.
• Encapsulated, automatic reset, high pressure control, and an adjustable low
pressure control with exible refrigerant hose to reduce possibility for leaks.
• A helix tube in tube water cooled condenser is standard with refrigerant
counter ow for optimum condensing unit eciency.
• Every unit is put into a vacuum and subjected to a rigorous leak test. This
results in a clean, dry and leak free unit every time.
• Electrical circuits are factory tested for functional integrity.
• Every unit is run tested and cycled on both the high and low pressure
controls.
Option
• Sight glass (optional) is easily viewable from the front to monitor the
refrigerant charge.
• Factory-installed suction lter available as option for additional system
protection.
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APPLICATION DATA
Installation Precautions
All units are factory charged with dry nitrogen which must be evacuated prior to installation.
Water valves must be adjusted during initial start-up to design condensing pressure for the selected refrigerant.
All HW “X6” models require a suction accumulator. HW “X6” models with RS compressors are not suitable for R-507.
Retrot Installations
If a P.O.E. model is used in a retrot, the old mineral oil must be completely removed from the system or at least
reduced to no more than 5% of the total oil charge. Polyolester oil is very hygroscopic. Take extra precautions to
limit exposure to the atmosphere.
Leveling Units
Unit must be level to insure proper oil return to the compressor.
Condenser Water Temperature
Maximum leaving water temperature is 105°F on all models.
Condenser Water Treatment
The use of untreated or improperly treated water may result in scaling
premature erosion or corrosion. A qualied water treatment specialist is
recommended for proper results.
Engineering Aids
Total Heat of Rejection (THR) all units:
THR = BTUH + (KW x 1000 x 3.4 x 1.0)
Water Temperature Rise (∆T
water cooled condenser:
∆T
= THR ÷ (GPM x 60 x 8.4)
w
) through
w
Hermetic
Compressor
Large
Receiver
Coaxial
Condenser
High & Low
Pressure Controls
Spacious
Control Box
Refrigerant
Isolation Service
Valves (2)
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UNIT SPECIFICATIONS
Features & SpecicationsHWZW
Compressor mounting (rubber grommets)StandardStandard
Compressor discharge service valve (in line brass base valve)StandardStandard
Compressor suction service valve - rotolockStandardStandard
Large capacity refrigerant receiver (up to 100 ft. runs)StandardStandard
Receiver service valve (located on outlet)StandardStandard
Coaxial condenser (counterow tube in tube)StandardStandard
Extra large electric box (encloses all options and capacitors)StandardStandard
Electric conduit (UL recognized, high impact, ame retardant copolymer)StandardStandard
Low pressure control switch (adjustable)StandardStandard
High pressure encapsulated safety switch (xed)StandardStandard
Super hose on low pressure control (higher leak resistance)StandardStandard
Voltage 208-230 - 1ph - 60hzStandardStandard
Voltage 208-230 -3ph - 60hzStandardStandard
Voltage 460 - 3ph - 60hzStandardStandard
Pump down control switch (pre-wired)StandardStandard
Water valve (mounted on condenser inlet)StandardStandard
Agency approvals UL, ULC, N.Y., MEA 106-98-EStandardStandard
Electrical OptionsHWZW
Air defrost timerOptionOption
Electric defrost timerOptionOption
Electric defrost timer with contractorOptionOption
Compressor crankcase heater¹OptionOption
Beacon II™ ControlOptionOption
Mechanical OptionsHWZW
Liquid line drier & sight glass assembly (sweat)²OptionOption
Liquid line solenoid valve (230V coil)OptionOption
Suction lter with bypassOptionOption
Suction accumulator OptionOption
Suction accumulator & lterOptionOption
Two-tiered stacking rack for eld assemblyOptionOption
¹ Crankcase heaters are not required for indoor operation but are included in all HW models. Field wiring is required. ZW models crankscase heaters are not available.
² Required on ZW “L6” models
The Beacon II system is a pre-assembled, factory installed refrigeration system
featuring an intregrated microcomputer-based electronic control board. System
orders (including matching unit coolers) are now available for all HW & ZW models.
The Beacon II system replaces the expansion valve, solenoid valve, room thermostat,
defrost control timer. It comes factory preset thereby eliminating all of the expensive and time consuming
ne tuning and adjustments necessary for a good system installation. For additional information, see the Beacon II
bulletin or contact your local Sales Representative.
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PERFORMANCE DATA
Hermetic Compressors - High & Medium Temperature Models
BTUH = British Thermal Units (All capacities are rated at 60 Hz operation)
GPM = Gallons per Minute (Water ow rate)
PSI = Pounds per Square Inch (Water pressure drop through condenser)
BTUH = British Thermal Units (All capacities are rated at 60 Hz operation)
GPM = Gallons per Minute (Water ow rate)
PSI = Pounds per Square Inch (Water pressure drop through condenser)
BTUH = British Thermal Units (All capacities are rated at 60 Hz operation)
GPM = Gallons per Minute (Water ow rate)
PSI = Pounds per Square Inch (Water pressure drop through condenser)