Download MHS Boilers Strata 2 Technical data

Other types of cascade controllers with a continuous 0 to 3V, or 0 to 10V signal can also be connected.
An optional adapter is required, for 0 to 10V. See Fig 5.7e (Below)
0 - 10v adaptor
To Boiler Socket Nr: 4
Welland Plug
Nr: 4
0-10 volt Adaptor
A1
A2
R1 R2
0v
R3
V+
0-3 volt control direct to boiler plug
Nr: 4 without adaptor.
0-10 volt control via 0-10 volt adaptor
(optional extra)
Welland Connection Plug Nr: 4
Fig 5.7e
5.7.7 cascade controller KKM2
The KKM2 Cascade Manager is available as an accessory (see fig 5.7f ). The cascade controller can
operate up to 5 units. On a load dependant basis, it controls the modulation of the burners, and the
switching of the appliance(s). It includes all necessary sensors and an external temperature control which
adjusts the flow temperature of the cascade system as a function of the outside air temperature and/or
the sensed room temperature via the RE 2132 (if required) or 0-3 or 0-10v input. The KKM2 may also be
set to give a constant flow temperature and can also control a domestic hot water circuit.
Fig 5.7f
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