Application Limit, Stratification Cylinder For The Logamax Plus Gb162-25 T40S; Dhw Heating With The Cylinder Primary System (Lap, Lsp) With Fm445 Function Module Combined With The Logamax Plus Gb162 - Buderus Logamax plus GB162 Technical Manual

5.2 Application limit, stratification
cylinder for the Logamax plus
GB162-25 T40S
At a total hardness of the potable water of 15° dH to
20° dH, we recommend that the cylinder temperature is
set to ≤ 55 °C. As an alternative, a water treatment system
can also be used.
From an overall hardness level of 21°dH upwards, a
dislodging of scale inside the plate heat exchanger must
be expected. We recommend either the use of a cylinder
with internal indirect coils or, as an alternative, the use of
a water treatment system.
6 720 645 821 (2010/09) – Logamax plus GB162
5.3 DHW heating with the cylinder
primary system (LAP, LSP) with
FM445 function module combined
with the Logamax plus GB162
The use of the Logamax plus GB162 gas condensing
boilers for DHW heating with cylinder primary system
requires the FM445 function module. The primary system
must be connected downstream of a low loss header.
The speed control of the PS1 primary circuit pump or the
control of an SK actuator for the primary circuit can be
implemented as normal via the FM445 function module.
DHW heating 5
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