5565591-YIM-B-1019
6 Johnson Controls Ducted Systems
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 Edition
4. Local building codes, and
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, and
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.
Figure 4: Component Location (ZJ037 Shown)
The Smart Equipment™ control board used in this 
product will effectively operate the cooling system down 
to 0°F when this product is applied in a comfort cooling 
application for people. An economizer is typically 
included in this type of application. When applying this 
product for process cooling applications (computer 
rooms, switchgear, etc.) call the applications department 
for Ducted Systems @ 1-877-874-SERV for guidance. 
Additional accessories may be needed for stable 
operation at temperatures below 30° F.
Intelligent control board 
for safe and efficient 
operation
Smart Equipment™ Control board
w/screw connectors for T-stat 
wiring and Network 
Connections
Disconnect location 
(optional disconnect switch)
Filter access 
(2" or 4”
filter options)
Filter drier (solid core)
Slide out motor and 
blower assembly for 
easy adjustment 
and service
Base rails w/
forklift slots      
(three sides) 
and lifting 
holes
Toolless door 
latch
Side entry power 
and control wiring 
knockouts
Belt-drive blower 
motor
Power ventor 
motor
20-gauge aluminized 
steel tubular heat 
exchanger for long life 
(stainless steel option)
One or Two stage gas heating to 
maintain warm, comfortable 
temperature
Slide-out drain pan 
with 1" NPT 
connection
Compressor access (high-
efficiency compressor)
Second model nameplate 
inside hinged access 
panel
Micro-Channel Aluminum
Tube/Aluminum Fin
Condenser