Service Instructions
PRODUCT IDENTIFICATION
44
Air Handlers
Model/Rev Description
ASPT[24/36/48/60]*14 Introduction of new generation ASPT air handlers.
ASPT36C 14AB
ASPT[48/60]D14AB
ASPT48D 14AC
9mm return bend coil changes to new generation of ASPT air handlers.
ASPT24B 14AC
ASPT30C 14AB
ASPT36C 14AC
Programmed Broad Ocean Motor. The supplier can program the motor instead of furnace plant,
thus eliminating any programming installing issues. The programmed label will provide by
supplier.
ASPT[24, 36]B14AD
ASPT30C14AC
ASPT[42, 48] C14AB
X13 Motor IP changed to IGBT (Broad Ocean).
ASPT[42-48]C14AA
Initial release of models with 2+2 coil slab assy. These models are required to meet higher
tonnage rating in Cabinet.
ASPT42D 14AB
ASPT48D 14AD
ASPT60D 14AC
Nidec Pre-programmed Motor. Nidec motor can be programmed by the supplier instead of
programming at the furnace plant, thus eliminating any programming installing issues.
ASPT[25,29,37] B14AA
ASPT[37,47, 59] C14AA
ASPT[47, 49, 61] D14AA
Initial release of models with a 2 slab, low airflow resistant coil with a fixed speed ECM 53"
cabinet size. ASPT42C and aspt48C 2+2 models discontinued.
ASPT33C14AA
ASPT39C14AA
ASPT49C14AA
Upgrade the current ASPT C-49 cabinets to include 1. quality improvements captured in
Ready15 design. 2.include redesigned drain pan, Morrison blower housing and Emerson NXT
Booster Charge AdjustableTXV.
ASPT35B14AA Introducing 2.5 and 3 Ton Air Handler product lines.
ASPT[33,37,39,47,49,59]C14AB
ASPT[47,49,61]D14AB
Revisions because of New Heater kits released
ASPT[25,29,37,]B14AB
ASPT[33,37,39,47,49,59]C14AC
ASPT[47,49,61]D14AC
Air handler revisions due to using an upgraded (thicker with higher R value)
Quietflex wrapper insulation.
ASPT[33,39,47]BA
Revision change on ASPT33C14/39C14/47C14 air handlers to change the amps in electrical
data which ends reducing the MOP size from 35 to 30 and thus increasing wire gauge size in
the field for the 5kW heater kit
ASPT35B14AB
The SR plate format is changing from SR075 to SR099 and in order to track this change a
minor revision is necessary.
ASPT
A-
SINGLE PIECE AIR HANDLER
S-
MULTI-POSITION EEM MOTOR
P
AINTED
T
XV