Single-zone snow melt control installation and operation manual | 15
View menu (2 of 2)
The View menu displays the current operating temperatures and status information
of the system.
Field
Range
Access Description
Set to
0 to 100%
Installer
BOILER RATE
— Shows the current firing
rate of the modulating boiler.
Conditions:
Application Mode is set to Boil
and Boiler Type is set to Mod (modulating
boiler).
OFF or ON
User
Installer
HEAT RELAY
— Shows the current status of
the heat relay. The boiler or pump is on when
ON is displayed. The boiler or pump is off
when OFF is displayed.
Conditions:
Application Mode is set to PWM,
Boil or Elec.
0 to 100%
Installer
PWM RATE
— Shows the current duty cycle
rate of the zone or boiler for each 20 minute
cycle.
Conditions:
Application Mode is set to PWM
or Elec. Not visible when Manual Override is
not Auto.
OFF or ON
User
Installer
SYSTEM PUMP RELAY
— Shows the current
status of the system pump relay.
Conditions:
Application Mode is set to PWM
or Boil and Auxiliary Relay is set to SYS
(system pump).
OFF or ON
User
Installer
ALERT RELAY
— Shows the current status
of the alert relay.
Conditions:
Application Mode is set to PWM
or Boil and Auxiliary Relay is set to ALRT
(alert) or Application Mode is set to Elec.
00:00 to
24:00 hours
User
Installer
MANUAL MELT TIME
— When manually
started, the display shows the remaining run
time before shutting off.
Conditions:
Application Mode is set to PWM,
Boil or Elec.
00:00 to
6:00 hours
User
Installer
ADDITIONAL MELT TIME
— When
automatically started by the Pavement
Snow and Ice Sensor, the display shows the
remaining run time before shutting off.
Conditions:
Application Mode is set to PWM,
Boil or Elec and the Pavement Snow and Ice
Sensor (A3040090) is installed.
