Specifications

AH Model Nomenclature | 3SM AH Series Heat
873392084 (2013/11)Revised 11-13
AH MODEL NOMENCLATURE
Figure # 2
KEY TO SYMBOLS
Warnings
The following keywords are defined and can be
used in this document:
• NOTE indicates a situation that could result in
damage to property or equipment.
• CAUTION indicates a situation that could
result in minor to medium injury.
• WARNING indicates a situation that could
result in sever injury or death.
• DANGER indicates a situation that will result in
severe injury or death.
Important Information
SAFETY WARNINGS
SM 024 - 1 AV X - X L T A
SERIES
FAN MOTOR OPTIONS
SM A - Constant Airflow ECM
SIZE DISCHARGE AIR CONFIGURATION
024 T - Top (AV only)
036
S - Straight (AH only)
048 E - End (AH only)
060
070
RETURN AIR CONFIGURATION
L - Left
VOLTAGE DESIGNATIONS
R - Right
1
- 208/1/60 & 230/1/60 X - None
CABINET CONFIGURATION Not Used for Air Handlers
AH - Air Handler Horizontal
AV - Air Handler Vertical
Revision Level A
Warnings in this document are identified by
a warning triangle printed against a grey
background. Keywords at the start of the
warning indicate the type and seriousness
of the ensuing risk if measures to prevent
the risk are not taken.
This symbol indicates important information
where there is no risk to property or people.
Installation and servicing of this equipment
can be hazardous due to system pressure
and electrical components. Only trained
and qualified personnel should install,
repair, or service the equipment.
Before performing service or maintenance
operations on the system, turn off main
power to the unit. Electrical shock could
cause personal injury or death.
When working on equipment, always
observe precautions described in the
literature, tags, and labels attached to the
unit. Follow all safety codes. Wear safety
glasses and work gloves. Use a quenching
cloth for brazing, and place a fire
extinguisher close to the work area.
All refrigerant discharged from this unit
must be recovered WITHOUT EXCEPTION.
Technicians must follow industry accepted
guidelines and all local, state, and federal
statutes for the recovery and disposal of
refrigerants. If a compressor is removed
from this unit, refrigerant circuit oil will
remain in the compressor. To avoid leakage
of compressor oil, refrigerant lines of the
compressor must be sealed after it is
removed.