5285473-UIM-E-1217
Johnson Controls Unitary Products 3
LIMITATIONS
These units must be installed in accordance with the following:
In U.S.A.:
1. National Electrical Code, ANSI/NFPA No. 70 - Latest Edition
2. National Fuel Gas Code, ANSI Z223.1 - Latest Edition
3. Gas-Fired Central Furnace Standard, ANSI Z21.47a. - Latest Edi-
tion
4. Local building codes
5. Local gas utility requirements
In Canada:
1. Canadian Electrical Code, CSA C22.1
2. Installation Codes, CSA - B149.1.
3. Local plumbing and waste water codes
4. Other applicable local codes.
Refer to unit application data found in this document.
After installation, gas fired units must be adjusted to obtain a temperature
rise within the range specified on the unit rating plate.
If components are to be added to a unit to meet local codes, they are to
be installed at the dealer’s and/or customer’s expense.
Size of unit for proposed installation should be based on heat loss/heat
gain calculation made according to the methods of Air Conditioning
Contractors of America (ACCA).
This furnace is not to be used for temporary heating of buildings or
structures under construction.
LOCATION
Use the following guidelines to select a suitable location for these units:
1. Unit is designed for
outdoor installation only.
2. Condenser coils must have an unlimited supply of air. Where a
choice of location is possible, position the unit on either north or
east side of building.
3. Suitable for mounting on roof curb.
4. For ground level installation, a level pad or slab should be used.
The thickness and size of the pad or slab used should meet local
codes and requirements of unit weight. Do not tie the slab to the
building foundation.
Table 1: Unit Limitations
Model Unit Voltage
Unit Limitations
Applied Voltage Outdoor DB Temp
Min Max Max (°F)
All Models 208/230-3-60 187 252 125
FIGURE 1: Component Location
)$102725
287'225)$1
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287'225&2,/
%HKLQG3DQHO
&21752/%2$5'
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35(6685(6:,7&+
'5$)7,1'8&(5%/2:(5
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,1'225%/2:(5
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$
WARNING
Excessive exposure of this unit to contaminated combustion air may
result in equipment damage or personal injury. Typical contaminates
include: permanent wave solution, chlorinated waxes and cleaners,
chlorine based swimming pool chemicals, water softening chemicals,
carbon tetrachloride, Halogen type refrigerants, cleaning solvents
(e.g. perchloroethylene), printing inks, paint removers, varnishes,
hydrochloric acid, cements and glues, anti-static fabric softeners for
clothes dryers, masonry acid washing materials.
!
WARNING
Do not attach supply and return duct work to the bottom of the unit
base pan as the drain pan could be compromised.
!
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