Install Instructions

MSC‑1 Installation & Operating Instructions 7
Pressing UP selects a 2 Zone system (Zone 1 & 2).
Pressing DOWN selects a 3 Zone system (Zone 1, 2 & 3).
After pressing the UP or DOWN button, the program
automatically accepts the selection and advances to the next
program level.
Level 3. Sensor Activation/De‑activation
The default sensor activation setting is for an aerial (MSA‑1),
or gutter (MSG‑1) sensor, zone1.
To move to the next level use the UP or DOWN buttons.
Press the SET button to begin the process to activate or
deactivate sensors. Each of the 3 control zones may have up
to 2 individual sensors, for a total of 6 sensors. <A/G.ZoneX>
refers to either an MSA‑1 or MSG‑1 sensor, <P.ZoneX>, refers
to an MSP‑1 in‑ground sensor. The activation/deactivation
operation for all 6 sensors must be stepped through before
this operation is complete.
Pressing UP activates the selected sensor.
Pressing DOWN de‑activates the selected sensor.
After pressing the UP or DOWN button for <P.Zone3>, the
program automatically accepts the selections and advances
to the next program level.
Level 4. Ambient Off Temperature Setting
The default ambient off temperature is 37°F (3°C).
To move to the next level use the UP or DOWN buttons.
Press the SET button to adjust the ambient off temperature, the
temperature above which the MSC‑1 will no longer energize
the heating equipment. The minimum and maximum settings
possible are noted on the LCD.
Pressing UP increases the degree setting.
Pressing DOWN decreases the degree setting.
Press the SET button to accept the chosen ambient off
temperature and advances to the next program level.
Level 5. Slab Off Temperature Setting (MSP‑1 Sensors)
The default slab off temperature is 50°F (10°C).
To move to the next level use the UP or DOWN buttons.
Press the SET button to adjust the slab off temperature, the
temperature above which the MSC‑1 will de‑energize the
in‑ground heating equipment. The minimum and maximum
settings possible are noted on the LCD.
Pressing UP increases the degree setting.
Pressing DOWN decreases the degree setting.
Press the SET button to accept the chosen slab off temperature
and advances to the next program level.
Level 6. Setting the Relay Hold Time
The default relay hold time is 3.0 hours for all zones.
To move to the next level use the UP or DOWN buttons.
Press the SET button to adjust the relay hold time for the snow
melting zones. The relay hold time is the amount of time the
snow melting zone remains energized after the moisture
sensor is dry. Each of the 3 zones is set independently, in