Technical Specifications

Performance Features

EERs up to 24.8

Capacities from 2 to 35 nominal tons

Non-ozone depleting, low GWP Puron® Advance refrigerant (R-454b)

High-efficiency, scroll compressors

Standard extended range design with operating entering water temperature range of 20°F to 110°F

Extended range package for open loop and geothermal applications

Fully insulated unit with acoustic type insulation (10 & 18-35 ton)

Dual refrigerant circuits for two-stage operation

Dual coaxial coils

Mute package for quiet operation

TXV (thermostatic expansion valve) controlled

Copper or cupronickel heat exchanger

Exceeds ASHRAE 90.1 performance requirements

ARI/ISO 13256-2 certified

Maintenance Features

Access to compressor section through 2 service panels

All service may be done through large removable front or side panels

Quick electrical disconnects on components

Easy removal of control box for access to all refrigerant components

Refrigerant circuit equipped with high/low pressure ports

Installation Features

Units may be mounted in closets, attics, etc.

Side-by-side and top manifold designs

Pre-wired and factory charged with Puron Advance refrigerant (R-454b)

Single point electrical connection

Water connections are FPT and secured to cabinet

Reliability Features

Galvanized steel construction

Reversing valve (4-way), water-to-refrigerant coaxial coil, and enhanced aluminum fin/rifled copper tube air-to-refrigerant heat exchanger standard

Microprocessor control

A2L refrigerant leak detection and mitigation control available*

CSA and ETL certified

Standard Limited Warranty

5 year parts only on compressor

One year parts only on all other parts

^{*50PSW 2-5 ton units do not require A2L Leak Detection control per UL 60335-2-40 based on unit refrigerant charge volume}

Factory-Installed Options

Copper or cupronickel heat exchangers

Differential pressure flow switches

Compressor status, pump and EMS control relays

Sound attenuation (mute) package

Hot water generator

Field-Installed Accessories

Ball valves (brass body)

Fire-rated hoses

Hose kit assemblies

Aquazone thermostats

Remote sensors

Solenoid water control valves (brass body)

Y strainers (bronze body)

Two-way motorized control valve