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4 | © Danfoss | Energy Meters | 2019.03
VU.IG.B9.02
Installation guide
SonoSelect and SonoSafe
1. General
Ambient operating temperature
class A 5 - 55 °C (Indoor installation, non-condensing)
Ambient storage temperature
-25 - 60 °C
Temperature media
5 - 95 °C
Power supply
3.6 V DC lithium battery (2 AA SonoSelect 1 AA SonoSafe), Mains supply
230V AC +10/-15 % 50/60 Hz, battery back up in case of power cuts: 1 hour
Mechanical environment
class M2
Electromagnetic environment
class E1
Pressure
PN16
MID
Accuracy Class 2
1.1 Inside the box
Description of components included in the box
1
07/2015
© Danfoss
VDIGH102
Installation Guide
SonoSelect and SonoSafe
energy meters
1 x
Energy meter
2 x Gaskets &
1 temperature sensor O-ring
4 x
Wired seals
1 x Installation
& User Guide
Note:
• For cooling and combined meters a wall mounting kit is delivered with the product.
• For mains supply meters a M12 gland is delivered with the product.
2. Installation
2.1 Preparation
SonoSelect incorporates a tamper monitoring function. If the
calculator is opened the meter will set alarm E13 in display.
Don’t open unless for adding communication module,
replacing battery or installing cables.
Reset requires Bluetooth dongle 014U1963 and SonoApp
service tool.
SonoSelect is delivered with the option of reconfiguring
supply/return using the Bluetooth dongle 014U1963 and
SonoApp service tool.
Note:
• Product is approved for ambient temperature between 5-55 °C, non-condensing (indoor installation). It is recommended
to install Calculator at max. 45 °C to secure optimal conditions for battery lifetime. At media temperatures below
ambient temperature (cooling, bifunctional) the calculator must be mounted separately from the flow sensor to prevent
condensation.
• Avoid installation stress from pipes and fittings.
• Flush the system.