
English
General
HTS 40 is an accessory that registers humidity and tem-
perature. There are also different areas of use for HTS 40.
Humidity sensor is designated BM1 in the manual.
This accessory is suitable for following products:
■F1145
■F1155
■F1245
■F1255
■F1345
Contents
Humidity sensor1 x
Mounting screws2 x
Areas of application
Heating
Limit relative humidity level (RH) during heating opera-
tion.
■If menu setting "Limit RH" is selected, the installation
is affected via parallel adjustment of the heating/cool-
ing curve.
Cooling mode
Limit RH in the cooled premises.
■If menu setting "Limit RH" is selected, the installation
is affected via parallel adjustment of the heating/cool-
ing curve.
Limit min. cooling supply to prevent condensation on
pipes and components in the cooling system.
■If menu setting "Prevent condensation" is selected, the
installation is affected via parallel adjustment of the
heating/cooling curve.
Conditions
■Only one HTS 40 per installation can be connected,
but you can choose which climate zone(s), 1 to 8, is/are
to be affected.
■The function of the humidity sensor has priority over
all other functions such as room sensor, schedule, ex-
ternal adjustment, vacation etc.
Minimum software version:
7312F1155/1255
v7740R2F1145/F1245
6674R3F1345
Caution
The heat pump's/indoor module's software
must be the latest recommended version. If not,
download the latest recommended software
version for your product to a USB memory device
from www.nibeuplink.com and install it.
Component positions
Electrical components
Terminal block, power supplyX1
Accessory cardAA28
DIP switchAA28-S2
Mounting
HTS 40 can be positioned lying on a flat surface or wall-
mounted.
Install the sensor in a suitable location, for example on
a free internal wall in a hall approx 1,5 m above the floor.
It is important that the sensor is not prevented from
measuring the correct humidity and room temperature
by being located, for example, in a recess, between
shelves, behind a curtain, above or close to a heat source,
in a draft from an external door or in direct sunlight.
HTS 40 | GB8