instruction manual - HBDF –mk2 – defrost sensor (013-UK) 19/03-2019 WWW.HBPRODUCTS.DK
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WE INCREASE
UPTIME
AND
EFFICIENCY
IN THE REFRIGERATION INDUSTRY
Safety Instructions
CAUTION! Always read the operational guidelines before commencing work! Read all warnings Installation of HBDF
requires technical knowledge of both refrigeration and electronics. Only qualified personnel should work with the
product. The technician must be aware of the consequences of an improperly installed sensor and must be committed
to adhering to the applicable local legislation.
If changes are made to type-approved equipment, this type approval becomes void. The product's input and output,
as well as its accessories, may only be connected as shown in this guide. HB Products assumes no responsibility for
damages resulting from not adhering to the above.
Explanation of the symbol for safety instructions. In this guide, the symbol below is used to point out important safety
instructions for the user. It will always be found in places in the chapters where the information is relevant. The safety
instructions and the warnings in particular, must always be read and adhered to.
CAUTION! Refers to a possible limitation of functionality or risk in usage.
NOTE! Contains important additional information about the product and provides further tips.
The person responsible for operation must commit to adhering to all the legislative requirements,
preventing accidents, and doing everything so as to avoid damage to people and materials.
Intended use, terms of use. The HBDF defrosting sensor is designed for measuring ice formation on evaporators. If the
HBDF is to be used in a different way and if the operation of the product in this function is determined to be
problematic, prior approval must be obtained from HB Products.
Defrosting with hot gas must be performed in a safe way in order to ensure that there is no risk for liquid hammering
and leakage of refrigerant.
Preventing collateral damage: Make sure that qualified personnel assess any faults and take necessary precautions
before attempting to make replacements or repairs, so as to avoid collateral damage.
Disposal instructions: HBDF is constructed so that the modules can easily be removed and sorted for disposal.
Instructions, choice of “FREEZER” or “ICE BANK” mode
The HBDF mk2 defrost sensor can be
changed to use for control of an ice
bank. (Default is “FREEZER”)
In the HB-TOOL, advanced settings,
select desired function.
Note, Ice bank mode:
The mA output signal starts with 4mA
(wet state) as the ice is builds up, the
mA signal increases proportionally to
max 20mA.
The sensor can be calibrated to
measure ice thickness from 2 to
50mm.
