PBST SERIES · SOURCE PAGE 10

PBST-48DS12K15

Vertical water-to-air triple function

Original Polar Bear water-to-air equipment photograph; exact model unconfirmedOriginal equipment photo · exact model unconfirmed
TECHNICAL DATA

Published source values

Stage numbers and row order follow the source, including its inconsistencies. Spacing is normalized; rows without a printed step number are labelled “Single stage”. Each stage has its own heating, cooling and COP values. Capacity numbers are Btu/h at the stated entering water temperatures (EWT).

Source stageHeat 50°FHeat 32°FCool 50°FCool 70°FCOP 50°F / 32°FSource “SEER” 50°F / 70°F
Single stage48,00040,00049,00046,0004.4 / 3.917.6 / 16.7
Compressor nominal42,000 Btu/h
Cabinet W × D × H28 × 36 × 65 in

COP pairs follow the corresponding capacity row in Dennis Campbell's printed table. Cooling efficiency values use the source’s “SEER” label and stated water temperatures; these are not represented as independently certified seasonal ratings. No independent test report was supplied.

Electrical and cabinet notes

Electrical configuration is not specified for this exact model in the supplied source page. Cabinet values describe the source family envelope. Confirm clearance, shipping dimensions, voltage and accessories before specifying equipment.