SMA TEMPSENSOR-AMBIENT Manuel utilisateur
TempsensorAmb-IEN110610 | 98-0042210 | Version 1.0
EN
Ambient Temperature Sensor
TEMPSENSOR-AMBIENT
Installation Guide
SMA Solar Technology AG Table of Contents
Installation Guide TempsensorAmb-IEN110610 3
Table of Contents
1 Notes on this Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
1.1 Area of Validity. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
1.2 Target Group . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
1.3 Symbols Used . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2 Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2.1 Appropriate usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2.2 Safety Precautions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3 Scope of Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
4 Assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
4.1 Selecting the Mounting Location. . . . . . . . . . . . . . . . . . . . . . . . . 7
4.2 Assembling the Ambient Temperature Sensor. . . . . . . . . . . . . . . 7
5 Electrical Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
5.1 Connecting Cables to the Ambient Temperature Sensor . . . . . . 9
5.2 Connecting the Ambient Temperature Sensor to the
Sunny SensorBox . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
6 Decommissioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
6.1 Disassembling the Ambient Temperature Sensor . . . . . . . . . . . 12
6.2 Disposing of the Ambient Temperature Sensor . . . . . . . . . . . . . 12
7 Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
8 Contact . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Notes on this Guide SMA Solar Technology AG
4 TempsensorAmb-IEN110610 Installation Guide
1 Notes on this Guide
This guide describes the installation and commissioning of the Ambient Temperature Sensor. Store this
guide where it will be accessible at all times.
1.1 Area of Validity
This guide applies to the TEMPSENSOR-AMBIENT upgrade kit.
1.2 Target Group
This guide is for electrically skilled persons.
1.3 Symbols Used
The following types of safety precautions and general information appear in this document:
DANGER!
"DANGER" indicates a hazardous situation which, if not avoided, will result in death or
serious injury.
WARNING!
"WARNING" indicates a hazardous situation which, if not avoided, could result in death
or serious injury.
CAUTION!
"CAUTION" indicates a hazardous situation which, if not avoided, could result in minor or
moderate injury.
NOTICE!
"NOTICE" indicates a situation that can result in property damage, if not avoided.
Information
Information provides tips that are valuable for the optimal installation and operation of
your product.
SMA Solar Technology AG Safety
Installation Guide TempsensorAmb-IEN110610 5
2 Safety
2.1 Appropriate usage
The TEMPSENSOR-AMBIENT Ambient Temperature Sensor consists of a PT100 measuring resistor
that is accommodated in an lP65 plastic enclosure. The TEMPSENSOR-AMBIENT Ambient
Temperature Sensor enables measurements in a 4-wire system. The measurement range of the
Ambient Temperature Sensor is between –30 °C and +80 °C. Connect the sensor to Sunny
SensorBox for further processing of the ambient data.
The Ambient Temperature Sensor is suitable for use only with original SMA accessories or with
accessories recommended by SMA Solar Technology AG.
Appropriate usage also includes observing all further documentation relating to this device and its
components.
2.2 Safety Precautions
NOTICE!
Destruction of the PV plant by a lightning strike.
All devices installed on a rooftop must be integrated into the existing lightning protection
of the PV plant.
Scope of Supply SMA Solar Technology AG
6 TempsensorAmb-IEN110610 Installation Guide
3 Scope of Supply
Position Quantity Description
A 1 TEMPSENSOR-AMBIENT (Ambient Temperature Sensor)
B2Screw
C2Screw anchor
SMA Solar Technology AG Assembly
Installation Guide TempsensorAmb-IEN110610 7
4 Assembly
4.1 Selecting the Mounting Location
• The Ambient Temperature Sensor must be assembled
with the cable gland pointing downwards in order to
prevent water from accumulating on the cable gland.
• Protect the Ambient Temperature Sensor from severe
contamination and spray.
• See adjacent image for recommended alignment of
the Ambient Temperature Sensor.
• Select an installation location which is in shade
throughout the entire day.
• Make sure that heat cannot accumulate at the
installation site.
• Please observe the maximum cable length of 30 m.
4.2 Assembling the Ambient Temperature Sensor
1. Undo four bolts on the Ambient Temperature Sensor enclosure and remove the lid.
2. Determine the mounting location and mark it. In the process, observe the mounting area
(see image).
3. Fasten the Ambient Temperature Sensor enclosure using the screws supplied.
☑ The Ambient Temperature Sensor has been assembled.
Electrical Connection SMA Solar Technology AG
8 TempsensorAmb-IEN110610 Installation Guide
5 Electrical Connection
Cabling Recommendations
The cable length and quality have an effect on the signal quality. To achieve a good quality signal,
observe the following instructions regarding cabling:
Outdoors
For the outdoors, use a cable with the following key properties:
• Cross-section: at minimum 4 x 0.25 mm2, at minimum 4 x AWG 24
• Outer cable diameter: at minimum 4.5 mm, at maximum 7 mm
• UV-resistant
SMA Solar Technology AG recommends the following cable types:
• Lappkabel: UNITRONIC S-LifY11Y 4 x 0.34 mm2
• Lappkabel UL-listed: UNITRONIC S-LifY11Y 4 x 0.34 mm2
Indoors
It is permitted to use non-UV-resistant cables outdoors that are protected by a UV-resistant cable
channel if the cables comply with aforementioned specifications.
SMA Solar Technology AG recommends the following cable types:
• Lappkabel: Unitronic LiYY 4 x 0.5 mm2
• Lappkabel UL-listed: UNITRONIC LiYY UL/CSA 4 x AWG22/7
• Helukabel: TRONIC LiYY 4 x 0.5 mm2
4-wire system
To offset measuring errors that occur due to
cable resistance, connect the temperature
sensor via a 4-wire system. This type of
connection ensures the current feed and voltage
measurement are performed by separate pair cables. The length of the cable must not
exceed 30 m.
NOTICE
Damage to Ambient Temperature Sensor due to ingress of fluids
Use only cables with a minimum diameter of 4.5 mm2 to connect the Ambient Temperature
Sensor. This prevents the Ambient Temperature Sensor from being damaged by any ingress
of fluids (e.g. by rain or snow).
SMA Solar Technology AG Electrical Connection
Installation Guide TempsensorAmb-IEN110610 9
5.1 Connecting Cables to the Ambient Temperature Sensor
1. Undo the screws on the Ambient Temperature Sensor enclosure and
remove the lid.
2. Remove the cable glands on the Ambient Temperature Sensor.
3. Remove the small interior protection plates. Make sure that the interior
seal does not fall out.
4. Screw the cable gland halfway onto the enclosure.
5. Introduce the cables through the cable glands of the Ambient
Temperature Sensor.
6. Connect wires to the screw terminals in 4-wire technology, see image on
the right.
7. Note the color of the wires:
I+__________________________
V+__________________________
V-__________________________
I-__________________________
8. Fasten the cable gland of the Ambient Temperature Sensor to the Ambient Temperature Sensor
enclosure by hand (torque: 0.8 Nm).
9. Connect the plug from the lid of the Ambient
Temperature Sensor with the screw terminals, see
image on the right. The polarity of the cables is user-
defined.
10. Fasten the lid of the Ambient Temperature Sensor to
the enclosures using the screws.
☑ The cable is connected to the Ambient Temperature
Sensor.
Electrical Connection SMA Solar Technology AG
10 TempsensorAmb-IEN110610 Installation Guide
5.2 Connecting the Ambient Temperature Sensor to the
Sunny SensorBox
The Ambient Temperature Sensor is connected to the "F6: TmpAmp" terminal of the Sunny SensorBox.
Proceed as follows:
1. Open the lateral flaps of the Sunny SensorBox using the recesses.
2. Undo the screws in the corners of the Sunny SensorBox and open the enclosure lid towards the
left. The lid is connected to the lower shell by hooks.
3. Unscrew the cable gland sleeve nut on the bottom
center of the Sunny SensorBox and remove the
filler-plugs.
4. Route the Ambient Temperature Sensor cable
through the sleeve nut and fasten the cable glands
of the Sunny SensorBox.
NOTICE!
Damage to the Sunny SensorBox due to ingress of fluids
• When working outdoors, make sure that no fluids (e.g. rain or snow) enter the open
Sunny SensorBox.
• When inserting and removing the cable
through the cable gland, make sure that
the grommet fits correctly into the cable
gland.
NOTICE!
Damage to the Sunny SensorBox due to porous rubber seals
The rubber seal in the Sunny SensorBox lid becomes porous over the course of time, and
will no longer provide a tight seal if the Sunny SensorBox is then opened. If you open the
Sunny SensorBox after an operating lifetime of more than 5 years, e.g. for upgrading the
device, the rubber seal in the Sunny SensorBox lid must be replaced with a new one. In this
event, order a replacement seal prior to maintenance work.
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