Product Overview

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Please see datasheets for complete technical specications available online at heating.danfoss.us.
SNOW MELT CONTROLS
Snow Melt Controls
BOX ENCLOSURE
SENSORS
BOX ENCLOSURE
Code No. Rating Dimensions (HxWxD) Weight
ETO2-BOX UL/CSA Approved 10.4 x 6.4 x 3.6 (263 x 162 x 91 mm) 5.1 lbs (2.3 kg)
SENSORS
Code No.
Sensor
Style or
Detection
Dimensions
(HxL)
Cable
Length
Weight
Ambient
Temperature
Mounting
ETOG-56
Ground
Sensor
1.25” x 2.4”
(32 x 60 mm)
82 ft (25 m)
5.29 lbs (2.4
kg)
-58° - 178°F
(-50° - 70°C)
Outdoor
Surface
(Pavement)
ETOK-1 Sensor Cup
3.1” x 2.5”
(78 x 63.50 mm)
- .88 lbs (.4 kg)
ETF-744/99
Outdoor
Sensor
3.4” x 1.8” x 1.4”
(86 x 45 x 35
mm)
-
1.3 lbs (.59
kg)
-58° - 178°F
(-50° - 70°C)
Exterior Wall
ETF-622 Pipe Sensor
0.31” x 0.47”, Ø
0.14 (8x12 mm,
Ø 3.5mm)
8.2 ft (2.5
m)
.21 lbs (.096
kg)
-40° - 248°F
(-40° - 120°C)
Surface Pipe
ETOR-55 Moisture
4.15” x 1.2” x
0.5”
(105 x 30 x 13
mm)
33ft (10m)
1.94 lbs
(.88kg)
-58° - 178°F
(-50° - 70°C)
Gutter or
downspout,
used in com-
bination with
ETF-744/99
ETO2 CONTROLLER
Code No.
Power
Supply
Mounting Output Relay
Temperature Setting
Range
ETO2-4550 120-240V
Within ETO2-BOX or
equivalent UL/CSA en-
closure
2 x 16A Dry Contacts 32° - 50°F (0° - 10°C)
ETO2 CONTROLLER
ETOG-56
ETOK-1
Code No. Model
Power
Supply
Mounting Relay
Ambient
Temperature
Temp.
Sensor
Precipitation
Sensor
088L3041 DS-224
24VAC
or DC
Rigid conduit
or surface
Single 30A,
Dry contact
-40° - 185°F
(-40° - 85°C)
Integrated
Integrated
088L3042 DS-824
Remote,
10ft (3m)
ECONOMY SNOW/ICE MELT CONTROLS
The DS-224/824 are primarily designed for hydronic pavement snow melting applications. The units can be powered from a 24VAC/VDC
source.