66399-YIM-C-0405
Unitary Products Group
15
LIMITATIONS
These units must be installed in accordance with the
following national and local safety codes:
In U.S.A.:
•
National Electrical Code ANSI/NFPA No. 70.
•
National Fuel Gas Code Z223.1.
•
Gas-Fired Central Furnace Standard ANSI
Z21.47a.
•
Local gas utility requirements.
In Canada:
•
Current Canadian Electrical Code C22.1.
•
Current Gas Installation Codes CSA-B149.1.
•
Local plumbing and waste water codes.
•
Other applicable local codes.
Refer to the Unit Application Data Table 1 and to the
Gas Heat Application Data Table 4.
If components are to be added to a unit to meet local
codes, they are to be installed at the dealer's and/or
the customer's expense.
Size of unit for proposed installation should be based
on heat loss/heat gain calculation made according to
the methods of the Air Conditioning Contractors of
America (ACCA).
LOCATION
Use the following guidelines to select a suitable loca-
tion for these units.
1.
Unit is designed for outdoor installation only.
2.
Condenser coils must have an unlimited supply of
air.
3.
Where a choice of location is possible, position the
unit on either north or east side of building.
4.
For ground level installation, use a level concrete
slab with a minimum thickness of 4 inches. The
length and width should be at least 6 inches
greater than the unit base rails. Do not tie slab to
the building foundation.
5.
Roof structures must be able to support the weight
of the unit and its options and/or accessories. Unit
must be installed on a solid level roof curb or
appropriate angle iron frame.
6.
Maintain level tolerance to 1/2 inch maximum
across the entire length or width of the unit.
FIRE OR EXPLOSION HAZARD
Failure to follow the safety warning exactly
could result in serious injury, death or property
damage.
Never test for gas leaks with an open flame.
use a commercially available soap solution
made specifically for the detection of leaks to
check all connections. A fire or explosion may
result causing property damage, personal
injury or loss of life.
TABLE 1: UNIT APPLICATION DATA (DM, DF, DH)
UNIT MODEL NUMBER
036
048
060
072
Voltage Variation,
Min. / Max.
1
208/230
187 / 252
460
432 / 504
575
540 / 630
Supply Air CFM, Nom.
1200
1600
2000
2400
Wet Bulb Temperature (ºF) of Air on Evaporator Coil,
Min. / Max
57 / 72
Dry Bulb Temperature (ºF) of Air on Condenser Coil,
Min. / Max.
0 / 120
1.
Utilization range “A” in accordance with ARI Standard 110.
