KM – Medium Outdoor Air Cooled Condensing Units

Suitable for large walk-in coolers and freezers, blast freezers, warehouse applications and spaces where roof mounted condensers are most practical.

Overview

This unit features single or dual compressor(s) and a vertical discharge air-cooled condenser that is suitable for large walk-in coolers and freezers, blast freezers, warehouse applications and spaces where roof mounted condensers are most practical. Using high efficiency compressors and utilizing the THERMOSPAN™ condenser core design, the unit meets all application needs from 5 to 44 HP (high/medium temperature) and 7.5 to 44 HP (low temperature) Semi Hermetic and 5 to 30 HP (High/Med Temperature) And 6 to 34 HP (Low Temperature) Scroll.

Our KM-line of condensing units meet or exceed the new “AWEF” requirements for condensing units. Use this guide which collects all of the AWEF numbers for compliant equipment.

Have questions about AWEF, WICF, etc.? Visit our AWEF-FAQ

Available features and Technology

Features/Options

Features

Compatible with Low GWP Refrigerants
Designed for use with a wide variety of refrigerants
Energy efficient compressors with POE. Several Options to choose from: Copeland Discus, Bitzer reciprocating.
Single, Dual and parallel-piped (optional) compressor configurations available.
Thermospan^TM condenser core design eliminates tube sheet leaks and provides reliable operation.
3/8″ condenser tubes reduce refrigerant charge.
Generously sized condenser allows unit to operate at higher than normal ambient conditions.
Optional coating and fin surfaces for condenser core protection available.
Receivers (where used) are liberally sized and include inlet as well as outlet service valves
Subcooling circuit in condenser on all models (except high temperature H8 models) increases overall system efficiency and provides dependable compressor operation.
Utilizes pre-formed internal piping, eliminates welded joints and reduces chances of a leak.
Electrical components are housed in a spacious and conveniently located panel. In case of a compressor trip, a Lock-out relay de-energizes the liquid line solenoid valve. In addition, SPDT contact is provided for field wired alarm circuit.
End compartment panels allow unrestricted access to service the compressor(s) and all other components.
Units are environmentally friendly operating on less power and refrigerant charge.
Spring mount compressor with discharge and suction vibration eliminator.
Compressor head cooling fans on low temperature models
Compressor crankcase heater
Flexible hose on all compressor pressure control connections
Two valve adjustable (pre-set at factory) low ambient head pressure control.
Condenser fan cycling control (pressure) on two-fan models.
Fused condenser fan motors
Receiver inlet/outlet valves and safety pressure relief valve
Replaceable liquid line drier & sight glass
Anti-short cycle time delay relay
Oil failure control (non-electronic)
Separate HP and LP compressor controls.
Lock out relay.
Sub-cooling circuit on medium and low temperature units.
Electronic liquid injection on L8 units

Available Options

NEW Pre-Selected Factory Mounted Options Packages
Limitrol+ Head Pressure Control System
Suction accumulator (with or without heat exchanger)
Replaceable suction filter
Insulated suction lines.
Crankcase Pressure Regulating valve
Compressor capacity control available where applicable
Discharge line check valve
Hot gas bypass tees / regulating valves /de-superheating TXV
Oil separator
Oversized condenser (except largest unit)
Oversized receiver
Thermosaver ^TM defrost.
Disconnect switch (fused or non-fused).
Compressor circuit breaker
Electronic Oil failure control
Voltage / Phase monitor
Defrost Time clock
Defrost Heater / Evaporator Fan Contactors with fuse block
Single point electrical service hook up for evaporator and controls
Discharge line thermostat
Variable speed EC motors only as head pressure control

Certification

ULC

Specifications

Application

High, medium and low temperature applications
Suitable for large walk-in coolers and freezers, blast freezers, warehouse applications and spaces where roof mounted condensers are most practical
Single or dual compressor(s)
Vertical discharge air-cooled condenser

Capacity