Service Instructions

PRODUCT IDENTIFICATION
45
Model/Rev Description
MBE****AA-1AA Introduction of a module blower with variable speed blower motor.
MBE****AA-1BA Introduction of new models adding lower kW hit kits on the S&R plate.
MBE
M
ODULAR
B
LOWER AIR HANDLER
E-
MULTI-POSITION VARIABLE-SPEED
Model/Rev Description
MBR****AA-1AA Initial release of a module blower with PSC blower motor.
MBR****AA-1AB A quality improvement to use 0.75" Quiet Flex Insulation.
MBR****AA-1AC Release of MBR/MBVC Models(Minor Revisions) for 11th St Plant. Dayton to Houston
MBR****AA-1AD
Add permanent sealing/condensation-control upgrades to all MB units and remove high-
voltage knockouts
MBR
M
ODULAR
B
LOWER AIR HANDLER
R-
MULTI-POSITION PSC MOTOR