Initial Activation Of The Hot Air Blower; Manual Activation; Snow Sensor Activation; Remote (Dispatch) Activation - Spectrum RRSHA3 Series User Manual

ENM-3600-00
2.4 Initial Activation of the Hot Air
Blower
After the RRSHA Hot Air Blower is
installed, verify it can be activated by each
available method before putting into
Service.

2.4.1 Manual Activation

Verify the RRSHA Hot Air Blower
operates when set to manual activation.
1. Set the Blower Power switch to On.
2. Verify the green LED is illuminated on
the Snow Sensor.
3. Listen for the circuits to engage. For
units that also use optional
equipment, the rod/crib circuit turns
on after the blower circuit according
to the rod/crib circuit's Delay Timer
setting.
4. With the Cold Air switch in the On
position, walk to the nozzles and
verify the air discharging is ambient
air temperature.
5. Return to the control panel and set
the Cold Air switch to the Off
position. Allow the unit to run for 2 –
3 minutes, then walk to the nozzles
and verify the air discharging feels
warm.
6. Leave the unit activated for 10-15
minutes to allow the heaters to come
up to temperature and verify there
are no GFI faults on the rod/crib
circuit or heater malfunctions.

2.4.2 Snow Sensor Activation

Verify the RRSHA Hot Air Blower can
be activated by the Snow Sensor.
1. Verify the green LED is illuminated on
the Snow Sensor.
RRSHA Series Hot Air Blower User Manual
2. Put water on the moisture grid and
use freeze spray on the temperature
probe of the Snow Sensor.
3. Verify the green LED on the Snow
Sensor is blinking.
4. Listen for the circuits to engage. For
units that also use optional
equipment, the rod/crib circuit turns
on after the blower circuit according
to the rod/crib circuit's Delay Timer
setting.
5. With the Cold Air switch in the On
position, walk to the nozzles and
verify the air discharging is ambient
air temperature.
6. Return to the control panel and set
the Cold Air switch to the Off
position. Allow the unit to run for 2 –
3 minutes, then walk to the nozzles
and verify the air discharging feels
warm.
7. Leave the unit activated for 10-15
minutes to allow the heaters to come
up to temperature and verify there
are no GFI faults on the rod/crib
circuit or heater malfunctions.
NOTE:
If you have installed the optional
Remote Snow Sensor, perform the
same above procedure, and on
step 2, use the remote sensor.

2.4.3 Remote (Dispatch) Activation

If installed, verify the RRSHA Hot Air Blower
can be activated by Remote (Dispatch)
Activation.
1. Request dispatch to activate the
RRSHA Hot Air Blower remotely.
2. Listen for the circuits to engage. For
units that also use optional
equipment, the rod/crib circuit turns
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