343633-YIM-B-0408
Johnson Controls Unitary Products
3
GENERAL
York Model DEM units are factory assembled cooling only air
conditioners designed for outdoor installation on a rooftop or a
slab. Field-installed electric heater accessories are available to
provide electric heat combined with electric cooling.
The units are completely assembled on rigid, but easily
removable base rails. All piping, refrigerant charge, and
electrical wiring is factory installed and tested. The units require
only electric power and duct connections at the point of
installation.
The electric heaters have nickel-chrome resistance wire
elements and utilize single point power connection.
INSPECTION
As soon as a unit is received, it should be inspected for possible
damage during transit. If damage is evident, the extent of the
damage should be noted on the carrier's freight bill. A separate
request for inspection by the carrier's agent should be made in
writing.
REFERENCE
Additional information on the design, installation, operation and
service of this equipment is available in the following reference
forms:
• 343633 - General Installation
• 035-16605-003-E-0605 - Electric Heater Accessory
REPLACEMENT PARTS
Contact your York
®
parts distribution center for authorized
replacement parts.
This product must be installed in strict compliance with
the enclosed installation instructions and any applicable
local, state, and national codes including, but not limited
to, building, electrical, and mechanical codes.
Improper installation may create a condition where the
operation of the product could cause personal injury or
property damage.
D
2
E M
A
PRODUCT NOMENCLATURE
PRODUCT GENERATION
2 = Second Generation
1 = NEW or Current Design
PRODUCT CA TEGOR Y
D = Single Package Air Conditioner
(Air Cooled)
PRODUCT IDENTIFIER
EM = 13 SEER Cooling Models
2
0
4
0 6
F ACT OR Y
INST ALLED ELECTRIC HEA T
A = No Electric Heat Inst alled
VOL TAGE CODE
06 = 208/230-1-60
25 = 208/230-3-60
46 = 460-3-60
NOMINAL COOLING
CAP ACITY (MBH)
042 = 42,000 BTUH
024 = 24,000 BTUH
048 = 48,000 BTUH
030 = 30,000 BTUH
036 = 36,000 BTUH 060 = 60,000 BTUH
58 = 575-3-60