
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 5
Status Screen
STATUS
SLAB
INT
SYSTEM
RETURN
OUTDOOR
BLR
ON
FMD STBY IDL MLT CWSD WWSD
TARGET
SNOW
NONE
SYS P
ON
FL UP
OFF
FL DN
ON
34
°F
95
°F
75
°F
10
°F
50
°F
120
°F
Idle Mode
Snow Melt Mode
Cold Weather Shut Down
Standby Mode
Force Melt Demand
Warm Weather Shut Down
Current Temperatures
Slab Target
WiFi Status Indicator
Supply Tank Target
Snow Detection
HBX
SNO-0550
Central Processing Unit
SNO-0110 Sensor
Demand Input
ON/OFF Boiler
System Supply Sensor
Return Sensor
Outdoor Sensor
Floating Action Valve Down
Injection Pump
Floating Action Valve Up
System Pump
Supply Power 120 VAC
5 A
RL
1
RL
18
17
1
5 A
RL
2
RL
20
19
2
GR
120
16
N
L
15
14
TM
3
2
11
TM
TM
10
12
13
BL
1
BL
9
8
1
1
5
SG
2
2
PW TM
1
3
4
5 A
RL
2
RL
22
21
2
FD
1
FD
7
6
1
5
S
4
3
C
1
2 A
5 A
5 A
Central Processing Unit
SNO-0550
HBX
5 A
RL
1
RL
18
17
1
RL
2
RL
20
19
2
GR
120
16
N
L
15
14
TM
3
2
11
TM TM
10
12 13
BL
1
BL
9
8
1
1
5
SG
2
2
PW TM
1
3 4
24 VAC MAX
RL
2
RL
22
21
2
FD
1
FD
7
6
1
5
S
4
3
C
1
2 A
DO NOT
CONNECT
POWER
HERE
DO NOT
CONNECT
POWER HERE
SENSOR ERRORS
HTR-LOWC: Low current is being drawn into the sensor and will not sense snow. Check the wiring of
the control. Refer to testing procedure on page 23, and inspect the SNO-0110 Sensor for signs of
damage or improper drainage.
Reset control when issue has been corrected to eliminate error code.
HTR-FAULT
: High current is being drawn into the sensor and will not sense snow. Screen will flash
orange, and fuse in control will trip. Check the wiring of the control. Refer to testing procedure on
page 23, and inspect the SNO-0110 Sensor for signs of damage or improper drainage.
Reset control when issue has been corrected to eliminate error code.