Johnson Controls ZL Series Installation Manual page 11

Figure 6: Return air smoke detector - shipped
position
A Flex tube secured to the bracket
B Return air sensor
C Controller
D Wire tie
Figure 7: Return air smoke detector - working
position
Limitations
These units must be installed in accordance with the
following:
In U.S.A.:
• National Electrical Code, ANSI/NFPA No. 70 -
Latest Edition
• National Fuel Gas Code, ANSI Z223.1 - Latest
Edition
• Gas-Fired Central Furnace Standard, ANSI
Z21.47a. - Latest Edition
• Local building codes
• Local gas utility requirements
In Canada:
• Canadian Electrical Code, CSA C22.1
• Installation Codes, CSA - B149.1.
• Local plumbing and waste water codes
• 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.
Installation Manual ZL Series 7.5- 12.5 Ton 60 Hertz R-410A
Johnson Controls Ducted Systems
A Controller
B Return air sensor
C Flex tube in the working position
11