Johnson Controls ZZ Series, Installation Manual

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5834853-YIM-B-0320
6 Johnson Controls Ducted Systems
Figure 3: Factory-mounted return air temperature sensor
t
Figure 4: Supply and return air ducts
7. If an optional return air smoke detector is installed, you
must move the return air sensor from the factory shipped
position (upside down) to the working position (right side
up). Then slide the flex tube over the stub and tighten, see
Figure 6.
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Figure 5: Return air smoke detector - shipped position
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Figure 6: Return air smoke detector - working position
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.
A
Filter rack and filters
B
RAT sensor
A
Supply air duct
B
Return air duct
A
B
A
Flex tube secured to the bracket
C
Controller
B
Return air sensor
D
Wire tie
A
Controller C
Flex tube in the
working position
B
Return air sensor
B
C
D
A
B
C
A