Superior Electric STABILINE WHR22 Series, Instructions Manual

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10.4. REPLACEMENT BRUSH ASSEMBLY
Each POWERSTAT
®
Variable Transformer contains a durable brush assembly. These assemblies are designed to
reduce the need for attention or replacement; however, because these are moving parts that rely on contact friction
to operate properly, an annual inspection is suggested. Refer to the maintenance section of this manual for details.
The replacement brush assembly is listed along with its corresponding POWERSTAT Variable Transformer in the
power component section.
10.5. AUX POWER MODULE
There is one standard power module used throughout this WHR Series of STABILINE
®
Automatic Voltage
Regulators. It is used for Line to Line connections.
Line-Line
Reference Symbol Part Description Part Number
A2 CONTROL POWER MODULE 217487-002
A2-F1,F2 FUSE 104364-003
A2-T1 TRANSFORMER, POWER 227602-001
10.6. RACK MODELS
The 19 inch open rack units use the front panel for the control module. This panel uses the same replacement parts
as the cabinet control module except for the control board. The circuit is the same but the potentiometers are
arranged to mount through the front panel. This control board is part number
227412-002 .
REAR VIEW OF RACK CONTROL MODULE / FRONT PANEL