Uponor A3040654 - System Configuration Menu; Application Mode and Sensor Settings; System Protection Features

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System menu
The System menu provides settings on how to congure and operate the mechanical
equipment.
Field
Range Access Description Set to
PWM, BOIL,
ELEC,
Default =
PWM
Installer
APPLICATION MODE — Select the control
application mode.
PWM = Hydronic pulse width modulation
BOIL = Hydronic boiler heats snow melting system
ELEC = Electric snow melt
NONE, 090,
095
Default =
090
Installer
SNOW/ICE SENSOR — Selects if a Pavement
Snow and Ice Sensor or Aerial Snow Sensor is
installed.
OFF or ON
Default =
ON
Installer
SLAB SENSOR — Selects if a Slab Sensor for
Aerial Snow Sensor is installed to measure the
slab temperature.
Conditions: Application Mode is set to PWM,
Boil or Elec and Snow/Ice Sensor is set to None
or 095.
OFF or ON
Default =
ON
Installer
SLAB PROTECTION — Select if the slab should
be protected from large temperature differentials
to avoid cracking the concrete due to high tensile
stress.
Conditions: Application Mode is set to Boil and
Snow/Ice Sensor is set to 090 or Slab Sensor is
set to On.
OFF or ON
Default =
OFF
Installer
ECONOMELT — EconoMelt allows the user to
mechanically remove snow then manually start
the system to melt the thin snow layer or ice.
Conditions: Application Mode is set to PWM,
Boil or Elec.
SYS
(System
Pump)
or ALRT
(Alert)
Default =
SYS
Installer
AUXILIARY RELAY — Select if the auxiliary
relay should function as system pump or as
an alert.
Conditions: Application Mode is set to PWM
or Boil.
0.5 to 7.0
days, OFF
Default = 3.0
days
Installer
MAXIMUM MELT TIME — Select to limit
the amount of melting run time after snow is
automatically detected by the Pavement Snow
and Ice Sensor or Aerial Snow Sensor.
Conditions: Application Mode is set to PWM,
Boil or Elec.