Webasto SmarTemp Control fx 2.0 Installation & Operation Instructions

SmarTemp Control fx 2.0

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Digital Timer Interface

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Installation / Operation Instructions

General

Thank you for choosing Webasto to meet your heating needs. The Webasto SmarTemp Control fx 2.0 enables you to
preset start-up cycles of your Webasto heater 7 days a week with 4 individual times each day.

Operation

The Webasto SmarTemp Control fx 2.0 is controlled using a rotary dial around the outside of the unit to scroll
through menu options. Simply click the selection button ( ) to make your choice. The following sections will define
each menu item and its default setting.

Compatibility

All Coolant Heaters; the SmarTemp Control fx 2.0 has an output of 1A for the heaters ON/OFF signal. Heaters
requiring a higher amperage signal will require a relay to accommodate different specifications. See electrical
connections for details. Note: Relay not included.

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Mounting Procedure

1. Find a suitable mounting location (on a flat surface if possible) in a visible area.

CAUTION: Always install in an area protected from the effects of weather
and contamination.

2. Use the drilling dimensions to lightly mark the two mounting holes.

3. (Optional Step) To route wire harness through the mounting surface,

drill a 17mm hole as notated on the drilling dimensions image.

NOTE: Always make sure there are no obstacles behind the mounting
location prior to drilling.

4. Secure the Webasto SmarTemp Control fx 2.0 using the two supplied #4

screws.

5. Apply the supplied “Heater Off” warning sticker in a highly visible

location to the driver’s area. Refer to the example sticker below.

6. Observe the Menu Descriptions section for proper menu setup.

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SmarTemp Control fx 2.0 Installation – Operation Instructions

Pin Number

Description

Wire Color

1

+12 / 24V

Red 2 GND

Brown

3

Heater Output

Black

*

Relay

Output

Selection Button

Mode (Auto or Manual)

Auto Mode

Manual Mode

TERMINAL INSERT

Runtime Remaining

Timer Active

Current Day

Manual Mode

Runtime Remaining

NOTE: When Auto is visible, timers are enabled

Current Day

Day and Time

Electrical Connections

SmarTemp Connector Pin-out

4

Diagnostic Blink Code

Green

SIDE OF CONNECTOR

For terminal removal use: Molex terminal removal tool

P/N: 11-03-0044 (http://www.molex.com

)

*Diagnostic Blink Code functionality does not apply to most coolant heaters. Refer to the Error Code section for additional

information.

Relay Connection: (If applicable)

Heaters requiring higher amperage ON/OFF signal will require a relay to accommodate different specifications. If the
connected heater requires more than a 1A ON/OFF signal to start, use the pin-out of a standard relay as described below.

Relay Pin 30 Battery (B+) power source (Fused according to required heater amperage)

Relay Pin 85 Ground

Relay Pin 86 Heater ON/OFF signal wire from pin 3 of SmarTemp Control fx harness.

Relay Pin 87 Switched ON/OFF signal to heater.

Component Description

(Webasto) ON/Off Button

LCD Screen

Rotary Knob

Screw Cap

Status Indicator Light(s)

*Micro USB Service Port

* The micro USB service port is not used for heater diagnostic purposes on SmarTemp Control fx 2.0.

LCD Screen Legend

Auto or Manual

Mode

Auto Mode

2

Current Day

Current Time

Heater ON

Current Time

Heater ON

SmarTemp Control fx 2.0 Installation – Operation Instructions

Menu Descriptions

Mode

Language

Duration

Error Code

Definitions Default

Two modes are possible:

Manual

– Auto mode enables the pre-defined timer programs. Manual ON/OFF

functionality is still possible while in this mode.

– Manual Mode allows the heater to be operated via the Webasto button on the

SmarTemp Control fx 2.0. While in Manual Mode, all Auto Mode functionality is
permanently disabled.

Note: While in manual mode the heater will continue to operate based on the pre­defined “Duration” set by the user. See “Duration” for further detail.

Language changes between English, French, and Spanish

Duration allows user to select the heater runtime of the heater. Set range is between

English

60 minutes

10 – 120 minutes selectable by 10 minute increments.

Note: Duration time for all timers will default to the set duration time. User will have
the ability to manually change duration for each timer.

This section will log the last 5 error codes and the date that it was set. Highlight and

No Errors

select an error code for a full description.

If the heater produces an error code, the status indicator lights will flash red and the
error will display on the main screen. Error codes cannot be reset through the
Webasto SmarTemp Control fx 2.0 on the heater, a Webasto PC Diagnostics tool is
needed. Refer to the heater service manual for resetting an error code.

Note: Diagnostics via blink code is not available on all coolant heaters. Error Codes
on products with no blink code functionality can still be obtained using the PC
Diagnostics test tool. Refer to the applicable service manual by visiting

www.techwebasto.com for detailed PC diagnostics information.

Options

Time &
Date

Timer

Advanced Level adjustment; see below

Time & Date allows user to properly set the current date and time. User also has the
ability to switch between AM/PM and 24 hour format. If the 24 hour format is

AM/PM

mm/dd/yyyy

selected the date format will change to dd/mm/yyyy. Use the rotary knob to choose
the time / date and the selection button to confirm each entry. The Webasto button
can be used to go back to the previous field if additional changes are needed.

There are 4 heater start-up cycles possible 7 days per week. The timer is separated into to three
categories. The user can select “Mon-Fri”, set each specific timer (T1 – T4) for a typical work week
all at once. A weekend “Sat-Sun” can be scheduled in the same manner or a full week by using the
“Mon-Sun” selection. The “custom” link allows the user to set a specific timer (T1 – T4) for each
individual day.

When selecting a specific timer a sub-menu will appear (Edit, Skip, and Off). To change the timer
cycle, select “edit”. Changes are saved immediately. The “skip” feature allows a timer cycle to be
skipped one time within a 7 day period. Timer will reactivate after this one-time skip cycle.

Note: To turn a specific timer off permanently select “off”.

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