Quick Set-up Guide
of 2
© 203 Watts Radiant
Snow Melting Control 654
1.
Location
2.
Remove Mounting Base
3.
Install Mounting Base
3
1
/
4
"
(83 mm)
Front
Base
Stud
Gang
Box
Wall
Stud
Front
Base
Interior
Wall
5 feet
1.5 m
Exterior
Wall
Behind
Door
Snow / Ice
Sensor 090
Outdoor
Sensor
070
Supply
Sensor
082
Relay
System
Pump
Relay
Optional
tN4
Communication
Snow
Sensor 095
Slab
Sensor 072
Slab
Brn
Slab
Brn
Com
Blk
Yel Blu Red
Com
Blk
Yel Blu Red
Or
And/Or
Snow
Sensor
095
2
1
8
7
3
4
5
6
2
1
8
7
3
4
5
6
C tN4
Modulating
Boiler
T T
–
+
Transformer
L
N
C
R
Slab
Brn
+
Mod
tN4
Aux Ht
R
C
Bret
Out/
Com
–
Blk
Yel Blu Red
Sup
No Power
L
n
G
5 V (ac)
4.
Switch Settings
5.
Wiring
Back of
Control
LoCk ACCESS LEvEL
The control is locally locked and the access
level cannot be changed. Set to Lock when
installation has been completed.
UnLoCk ACCESS LEvEL
The control is unlocked and the access
level may be changed. Go to the Toolbox
menu to change the access level. Set to
Unlock during the installation process.
Meets Class B: ICES & FCC Part 15
Power: 24 V (ac) ±10%, 60 Hz, Class 2,
16 VA standby, 100 VA fully loaded
Relays: 24 V (ac) 2 A, 3.5 A combined
1058-04
Switch Settings
www.WattsRadiant.com
Order #81016552
Designed and assembled in Canada
Loc
k
Unused
Un
lo
ck
ON
2
H1226A
Snow Melting Control 654
