Armstrong World Industries HWC PREMIER 183 - Manual (Page 66)

Service Reference Manual UNIT COMPONENTS
5-3
SRM-HW/HWC 2/99
Unit Components
This section provides a brief description of the most important compo-
nents within the Magic-Pak HW/HWC units. The information presented
here is not intended to take the place of the instructions and printed
literature packed with each component by the original manufacturer. The
section number for each component is listed in parentheses following the
component name. This number refers to the section number assigned to
each part in the Parts List section beginning on page 8-1.
Transformer (*1)
The transformer supplies 24 VAC from its secondary winding to operate
the blower control board, gas valve and ignition control depending on the
particular model. Transformers are typically rated at 40 VA, 50/60 Hz.
Note: Secondary leads may exit from top of transformer.
240V
CO
M
208V
208/240 VAC
Primary
24 VAC
Secondary
.25 x .032
Quick Connect
Terminals
" "
.19 x .020
Quick Connect
Terminals
" "
.188 Diameter Holes
"
FIGURE 5-1 24-volt Transformer (Typical Configuration)
Transformer Specifications
Manufacturer: Basler Electric
Model: 31264-GEK
Armstrong P/N 39370B001
Primary: 208/240V
Secondary: 24V
Rating: 40VA
Dimensions: 2.28" W x 1.94" H x 3.12" D
Base - 3.25" W (2.81" between I.D. of holes)