
H B X S N O - 0 5 5 0 S n o w M e l t C o n t r o l
V e r s i o n 2 . 1 4 . 1
© HBX Control Systems Inc. 2020
Page 7
NAVIGATING THE SNO-0550
All programming steps within the SNO-0550
are achieved by using the three buttons (and
combination thereof) located below the screen.
The ▼ button is used to scroll down in menu screens
and decrease a value within specific options.
The ▲ button is used to scroll up in menu screens
and increase a value in specific options.
The
ENTER
button is used to access the setpoint
menu and select a setting.
SNO-0550
Central Processing Unit
Relays:
240VAC 5A Max
Input:
120VAC 15A Max
ENTER
SNO
ON/OFF
Boiler
Demand
Signal
Sensor (2)
Outdoor
Sensor
Optical
Sensor
120
VAC
Relay
Outputs (3)
STATUS
SLAB
INT
SYSTEM
RETURN
OUTDOOR
BLR
ON
MLT
TARGET
SNOW
NONE
SYS P
ON
FL UP
OFF
FL DN
ON
34
°F
95
°F
75
°F
10
°F
50
°F
120
°F
SNO-0110
SETUP MENU
The SETUP menu is used for entering the design values, as well as assign different control options. To access the
setup menu, push the
ENTER
button on the STATUS screen. Use the ▲ or ▼ buttons to scroll through the various
settings.
To select a parameter, align the cursor arrow with the desired parameter and press the
ENTER
button. the
arrow will become solid ►, which indicates that a parameter has been selected.
Adjust the setting to the desired value with the ▲ or ▼ buttons. Once the correct value is set, push the
ENTER
button. This will deselect the parameter.
To go to the previous screen, push and hold the
ENTER
button. If the SETUP menu is left for more than 90
seconds, the display will change to the STATUS screen and the control will resume operation. During SETUP, the
control is not operating.
SETUP MENU
1) SNOW RATE SETUP
2) DESIGN TEMPS
3) SLAB SETUP
4) SYSTEM SETUP
5) TESTING
6) WIFI
°
SNOW RATE SETUP
1) SNOW RATE
VERY LIGHT
STATUS
SLAB
INT
SYSTEM
RETURN
OUTDOOR
BLR
ON
MLT
TARGET
SNOW
NONE
SYS P
ON
FL UP
OFF
FL DN
ON
34
°F
95
°F
75
°F
10
°F
50
°F
120
°F
Holding the ▲ and ▼ buttons on the STATUS screen simultaneously for 10 seconds will put the
control into forced melt demand.