RAM 5500 Chassis Cab (2017 year). Instruction — part 18

Instruction Climate Control Descriptions

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Description

MAX A/C Button
Rotate the Temperature Control Knob counterclockwise until it is set to MAX A/C.

A/C Button
Push the A/C button to engage the Air Conditioning (A/C). A LED will illuminate when the
A/C system is engaged.

Recirculation Button
Push and release this button to change the system between recirculation mode and outside air
mode. Recirculation can be used when outside conditions such as smoke, odors, dust, or high
humidity are present.

NOTE:

• Continuous use of the Recirculation mode may make the inside air stuffy and window fog-

ging may occur. Extended use of this mode is not recommended.

• The use of the Recirculation mode in cold or damp weather could cause windows to fog on

the inside, because of moisture buildup inside the vehicle. Select the outside air position for
maximum defogging.

• Recirculation can be used in all modes except for Defrost.

• The A/C can be deselected instructionly without disturbing the mode control selection.

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Description

Front Defrost Setting
Turn the Mode Control knob to the Defrost mode. Air comes from the windshield and side win-
dow demist outlets. When the defrost button is selected, the blower level will increase. Use De-
frost mode with maximum temperature settings for best windshield and side window defrosting
and defogging. Performing this function will cause the ATC to switch into instruction mode. If the
front defrost mode is turned off the climate system will return the previous setting.
Rear Defrost Button
Push and release the Rear Defrost Control button to turn ON the rear window defroster and the
heated outside mirrors (if equipped). An indicator will illuminate when the rear window de-
froster is ON. The rear window defroster automatically turns OFF after 10 minutes.
Temperature Control
Use this control knob to regulate the temperature of the air inside the passenger compartment.
Rotating the knob counterclockwise, from top center into the blue area of the scale, indicates
cooler temperatures. Rotating the knob clockwise, into the red area, indicates warmer tempera-
tures.
Blower Control
There are seven blower speeds. Use this control knob to regulate the amount of air forced
through the system in any mode you select. The blower speed increases as you move the con-
trol clockwise from the OFF position.

NOTE:

Depending on the configuration, your vehicle may be equipped with four blower

speeds.

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Description

Panel Mode

Bi-Level Mode

Floor Mode

Mix Mode

Modes Control
Rotate the Mode Control Knob to change the airflow distribution mode. The airflow distribution
mode can be adjusted so air comes from the instrument panel outlets, floor outlets, defrost out-
lets and demist outlets. The Mode settings are as follows:

• Panel Mode

Air comes from the outlets in the instrument panel. Each of these outlets can be individually
adjusted to direct the flow of air. The air vanes of the center outlets and outboard outlets can
be moved up and down or side to side to regulate airflow direction. There is a shut off
wheel located below the air vanes to shut off or adjust the amount of airflow from these
outlets.

• Bi-Level Mode

Air comes from the instrument panel outlets and floor outlets. A slight amount of air is
directed through the defrost and side window demister outlets.

NOTE:
BI-LEVEL mode is designed under comfort conditions to provide cooler air out of the panel out-
lets and warmer air from the floor outlets.

• Floor Mode

Air comes from the floor outlets. A slight amount of air is directed through the defrost and
side window demister outlets.

• Mix Mode

Air is directed through the floor, defrost, and side window demister outlets. This setting
works best in cold or snowy conditions that require extra heat to the windshield. This
setting is good for maintaining comfort while reducing moisture on the windshield.

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UNDERSTANDING YOUR INSTRUMENT PANEL

Economy Mode

If ECONOMY mode is desired, push the A/C button to
turn off the LED indicator and the A/C compressor. Rotate
the temperature control knob to the desired temperature.
Also, make sure to select only Panel, Bi-Level or Floor
modes.

Stop/Start System — If Equipped

While in an Autostop, the Climate Controls system may
automatically adjust airflow to maintain cabin comfort.
Customer settings will be maintained upon return to an
engine running condition.

CAUTION!

Failure to follow these cautions can cause damage to
the heating elements:
• Use care when washing the inside of the rear win-

dow. Do not use abrasive window cleaners on the
interior surface of the window. Use a soft cloth and a
mild washing solution, wiping parallel to the heat-
ing elements. Labels can be peeled off after soaking
with warm water.

• Do not use scrapers, sharp instruments, or abrasive

window cleaners on the interior surface of the win-
dow.

• Keep all objects a safe distance from the window.

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281

Climate Controls With a Touchscreen

5.0 With Automatic Temperature Controls

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8.4/8.4 NAV With Instruction Temperature Controls

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283

8.4/8.4 NAV With Automatic Temperature Controls

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Control Descriptions

NOTE:

Icons and descriptions can vary based upon vehicle

equipment.

Icon

Description

MAX A/C Button
Press and release to change the current setting, the indicator illuminates when MAX A/C is ON.
Performing this function again will cause the MAX A/C operation to switch into instruction mode
and the MAX A/C indicator will turn off.
A/C Button
Press and release the button on the touchscreen, or push and release the button on the faceplate,
to change the current setting, the indicator illuminates when A/C is ON. Performing this func-
tion again will cause the A/C operation to switch into instruction mode and the A/C indicator will
turn off.
Recirculation Button
Press and release this button to change the system between recirculation mode and outside air
mode. Recirculation can be used when outside conditions such as smoke, odors, dust, or high
humidity are present.

NOTE:

• Continuous use of the Recirculation mode may make the inside air stuffy and window fog-

ging may occur. Extended use of this mode is not recommended.

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UNDERSTANDING YOUR INSTRUMENT PANEL

285

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Description

• The use of the Recirculation mode in cold or damp weather could cause windows to fog on

the inside, because of moisture buildup inside the vehicle. Select the outside air position for
maximum defogging.

• Recirculation can be used in all modes except for Defrost.

• The A/C can be deselected instructionly without disturbing the mode control selection.
AUTO Button — If Equipped
Automatically controls the interior cabin temperature by adjusting airflow distribution and
amount. Performing this function will cause the system to switch between instruction mode and
automatic modes. Refer to “Automatic Operation” for more information.
Front Defrost Button
Press and release the touchscreen button, or push and release the button on the faceplate, to
change the current airflow setting to Defrost mode. The indicator illuminates when this feature
is ON. Air comes from the windshield and side window demist outlets. When the defrost but-
ton is selected, the blower level will increase. Use Defrost mode with maximum temperature
settings for best windshield and side window defrosting and defogging. Performing this func-
tion will cause the ATC to switch into manual mode. If the front defrost mode is turned off, the
climate system will return the previous setting.
Rear Defrost Button
Push and release the button on the touchscreen, or push and release the button on the faceplate,
to turn ON the rear window defroster and the heated outside mirrors (if equipped). An indica-
tor will illuminate when the rear window defroster is ON. The rear window defroster automati-
cally turns OFF after 10 minutes.

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UNDERSTANDING YOUR INSTRUMENT PANEL

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Description

Uconnect 5.0

Uconnect 8.4

Driver and Passenger Temperature Up and Down Buttons — If Equipped
Provides the driver and passenger with independent temperature control. Push the up arrow
button on the faceplate, press the up arrow button on the touchscreen, or press and slide the
temperature bar towards the red arrow button on the touchscreen for warmer temperature set-
tings. Push the down arrow button on the faceplate, press the down arrow button on the touch-
screen, or press and slide the temperature bar towards the blue arrow button on the touchscreen
for cooler temperature settings. When the SYNC feature is active, the passenger’s temperature
will move up and down with the driver’s temperature, when it is increased and decreased, re-
spectively.

SYNC Button — If Equipped
Press the Sync button on the touchscreen to toggle the Sync feature on/off. The Sync indicator is
illuminated when this feature is enabled. Sync is used to synchronize the passenger temperature
setting with the driver temperature setting. The Sync feature also synchronizes the rear passen-
gers’ temperature to the driver temperature setting. Changing the passenger temperature setting
while in Sync will automatically exit this feature.

Faceplate Knob

Blower Control
Blower Control is used to regulate the amount of air forced through the climate system. There
are seven blower speeds available. Adjusting the blower will cause automatic mode to switch to
instruction operation. The speeds can be selected using either the blower control knob on the face-
plate or the buttons on the touchscreen.

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287

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Description

Touchscreen

Buttons

• Faceplate: The blower speed increases as you turn the blower control knob clockwise from

the lowest blower setting. The blower speed decreases as you turn the blower control knob
counterclockwise.

• Touchscreen: Use the small blower icon to reduce the blower setting and the large blower

icon to increase the blower setting. Blower can also be selected by pressing the blower bar
area between the icons.

Panel Mode

Bi-Level Mode

Floor Mode

Mix Mode

Modes Control
Push the button in the center of the knob, or press the desired mode on the touchscreen, to
change the airflow distribution mode. The airflow distribution mode can be adjusted so air
comes from the instrument panel outlets, floor outlets, defrost outlets and demist outlets. The
Mode settings are as follows:

• Panel Mode

Air comes from the outlets in the instrument panel. Each of these outlets can be individually
adjusted to direct the flow of air. The air vanes of the center outlets and outboard outlets can
be moved up and down or side to side to regulate airflow direction. There is a shut off
wheel located below the air vanes to shut off or adjust the amount of airflow from these
outlets.

• Bi-Level Mode

Air comes from the instrument panel outlets and floor outlets. A slight amount of air is
directed through the defrost and side window demister outlets.

NOTE:
BI-LEVEL mode is designed under comfort conditions to provide cooler air out of the panel out-
lets and warmer air from the floor outlets.

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UNDERSTANDING YOUR INSTRUMENT PANEL

Icon

Description

• Floor Mode

Air comes from the floor outlets. A slight amount of air is directed through the defrost and
side window demister outlets.

• Mix Mode

Air is directed through the floor, defrost, and side window demister outlets. This setting
works best in cold or snowy conditions that require extra heat to the windshield. This
setting is good for maintaining comfort while reducing moisture on the windshield.

Climate Control OFF Button
Press and release this button on the touchscreen, or push the faceplate button, to turn the Cli-
mate Control System off.

CAUTION!

Failure to follow these cautions can cause damage to
the heating elements:
• Use care when washing the inside of the rear win-

dow. Do not use abrasive window cleaners on the
interior surface of the window. Use a soft cloth and a
mild washing solution, wiping parallel to the heat-
ing elements. Labels can be peeled off after soaking
with warm water.

(Continued)

CAUTION! (Continued)

• Do not use scrapers, sharp instruments, or abrasive

window cleaners on the interior surface of the win-
dow.

• Keep all objects a safe distance from the window.

Climate Control Functions

A/C (Air Conditioning)

The Air Conditioning (A/C) button allows the operator to
instructionly activate or deactivate the air conditioning sys-
tem. When the air conditioning system is turned on, cool

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289

dehumidified air will flow through the outlets into the
cabin. For improved fuel economy, press the A/C button to
turn off the air conditioning and instructionly adjust the
blower and airflow mode settings. Also, make sure to select
only Panel, Bi-Level or Floor modes.

NOTE:

• If fog or mist appears on the windshield or side glass,

select Defrost mode and increase blower speed if
needed.

• If your air conditioning performance seems lower than

expected, check the front of the A/C condenser (located
in front of the radiator), for an accumulation of dirt or
insects. Clean with a gentle water spray from the front of
the radiator and through the condenser.

MAX A/C

MAX A/C sets the control for maximum cooling perfor-
mance.

Press and release to toggle between MAX A/C and the
prior settings. The button illuminates when MAX A/C is
ON.

In MAX A/C, the blower level and mode position can be
adjusted to desired user settings. Pressing other settings
will cause the MAX A/C operation to switch to the selected
setting and MAX A/C to exit.

Recirculation

When outside air contains smoke, odors, or high humidity,
or if rapid cooling is desired, you may wish to recirculate
interior air by pressing the Recirculation control button.
The recirculation indicator will illuminate when this button
is selected. Press the button a second time to turn off the
Recirculation mode and allow outside air into the vehicle.

NOTE:

In cold weather, use of recirculation mode may lead

to excessive window fogging. The recirculation feature
may be unavailable (button on the touchscreen greyed out)
if conditions exist that could create fogging on the inside of
the windshield. On systems with Instruction Climate Controls,
the Recirculation mode is not allowed in Defrost mode to
improve window clearing operation. Recirculation will be
disabled automatically if this mode is selected. Attempting
to use Recirculation while in this mode will cause the LED
in the control button to blink and then turn off.

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UNDERSTANDING YOUR INSTRUMENT PANEL

Automatic Temperature Control (ATC) — If
Equipped

Automatic Operation

1. Push the AUTO button on the front ATC panel and the

word “AUTO” will illuminate in the front ATC display,
along with two temperatures for the driver and front
passenger. The system will then automatically regulate
the amount of airflow.

2. Adjust the temperature you would like the system to

maintain, by adjusting the driver, passenger, and rear
temperatures. Once the desired temperature is dis-
played, the system will achieve and automatically main-
tain that comfort level.

3. When the system is set up for your comfort level, it is

not necessary to change the settings. You will experience
the greatest efficiency by simply allowing the system to
function automatically.

NOTE:

• It is not necessary to move the temperature settings. The

system automatically adjusts the temperature, mode and
fan speed to provide comfort as quickly as possible.

To provide you with maximum comfort in the automatic
mode, during cold start-ups, the blower fan will remain on
low until the engine warms up. The fan will engage
immediately if the Defrost mode is selected, or by changing
the front blower knob setting.

Instruction Operation Override

This system offers a full complement of instruction override
features. The AUTO symbol in the front ATC display will
be turned off when the system is being used in the instruction
mode.

NOTE:

The system will not automatically sense the pres-

ence of fog, mist or ice on the windshield. DEFROST mode
must be instructionly selected to clear the windshield and side
glass.

Operating Tips

NOTE:

Refer to the chart at the end of this section for

suggested control settings for various weather conditions.

Summer Operation

The engine cooling system must be protected with a
high-quality antifreeze coolant to provide proper corrosion
protection and to protect against engine overheating. OAT
coolant (conforming to MS.90032) is recommended.

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291

Winter Operation

To ensure the best possible heater and defroster perfor-
mance, make sure the engine cooling system is functioning
properly and the proper amount, type, and concentration
of coolant is used. Use of the air Recirculation mode during
Winter months is not recommended, because it may cause
window fogging.

Vacation/Storage

Before you store your vehicle, or keep it out of service (i.e.,
vacation) for two weeks or more, run the air conditioning
system at idle for about five minutes, in fresh air with the
blower setting on high. This will ensure adequate system
lubrication to minimize the possibility of compressor dam-
age when the system is started again.

Window Fogging

Vehicle windows tend to fog on the inside in mild, rainy
and/or humid weather. To clear the windows, select De-
frost or Mix mode and increase the front blower speed. Do
not use the Recirculation mode without A/C for long
periods, as fogging may occur.

Outside Air Intake

Make sure the air intake, located directly in front of the
windshield, is free of obstructions such as leaves. Leaves
collected in the air intake may reduce airflow, and if they
enter the plenum, they could plug the water drains. In
winter months, make sure the air intake is clear of ice,
slush, and snow.

Cabin Air Filter

The climate control system filters out dust and pollen from
the air. Contact your authorized dealer to service your
Cabin air filter, and to have it replaced when needed.

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Operating Tips Chart

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