Honeywell VARIODYN D1 Installation Instruction page 55

6.5.4 Lithium Battery
Fig. 47: Location of the battery with open housing
If the SCU does not start up fully following a battery change, please check whether the BIOS flash disk
is being booted. No other boot devices are permitted.
Danger – Electric shock!
Assembly and installation work may only be performed when the system is de-energised (voltage free).
ESD / EMC preventive measures
Before handling electronic modules, always take suitable precautions to prevent static electricity.
6.5.5 Specification - SCU
Emergency power supply
Back-up power supply
Current consumption
Power consumption
Battery
General specifications
Rated voltage
Nominal frequency
Rated current
Flash-memory
Hard drive capacity
Ambient temperature
Storage temperature
Air humidity
Housing
Colour
Weight
Dimensions (W x H x D)
Specification
FB 798663.GB0 / 05.19
Installation Instruction VARIODYN
(Part No. 583381.22)
:
: 1.33 A @ 24 V DC
: 32 W @ 230 V AC
:
:
:
: 0.5 A @ 230 V AC
:
:
:
:
: 15 % ... 90 % rel. hum. (non-condensing)
:
:
:
:
:
A 3 V lithium battery (type CR2032) is integrated into
the SCU (Part No. 583381.31) unit to protect the
customer data. In order to ensure the protection over
the long term, this battery should be replaced after no
more than five years, such as during regular
maintenance.
To do this switch off the power supply (mains and
battery), carefully open the SCU housing, remove the
battery and replace with an identical or equivalent
battery type.
Insert the new battery, carefully close the housing,
switch on the power supply (mains and battery).
Perform a function test!
24 V DC
3 V - Lithium
(type CR2032 or equivalent)
230 V AC, +10 % / - 15 %
50 ... 60 Hz
ca. 2 h
ca. 1000 h
-5 °C ... +45 °C
-10 °C ... +60 °C
metal
grey, similar RAL 7016
approx. 3 kg
483 x 44 x 360 mm (1 HU)
EN 54-16
®
D1 System
(Part No. 583381.31)
0,9 A @ 24 V DC
24 W @ 230 V AC
0,2 A @ 230 V AC
55