A3091000/A3091250
ProMIX™ 101 Radiant
Heating Reset Control
3
PLL:
The minimum boiler return temperature
should be set according to the boiler
specifications. For cold start boilers, or
to disable boiler protection, set PLL to
“Cold Start”.
SLH:
The maximum radiant loop temperature
should be set to the water temperature
needed when it is the coldest outside (at
design temperature). This information is
available through heat loss calculations
using Wirsbo Radiant Express or the
water temperature table in the Wirsbo
Complete Design Assistance Manual.
SLH setting should never exceed the
recommended water temperatures for
the method in which the tubing is
installed.
SLL:
The minimum radiant loop temperature
should be set to the water temperature
desired when the outdoor temperature is
near the warm weather shutdown point.
A typical setting is 80
°
F.
Zone Controls
For stable, even heating, use electronic thermo-
stats (such as the DT10) with small differentials
(1
°
F) to provide close room temperature control.
Important
: Anticipating thermostats (such as
the T86H and the Honeywell T87F) are not
compatible with the Wirsbo ProMIX™ 101. The
ProMIX™ control can be wired in conjunction
with the Wirsbo Zone Control Module, or a
single thermostat (DT10).
