
15 | © Frio 2021 - Rev. 0.3 - Updated 3/2/2021
User Interface
2.42 in. OLED display 128 x 64 pixels
Four button interface
Four LEDs with one phototransistor used for BlinkUp process during installation
Menus are in English only
Imperial or Metric units
Warranty
One-year limited warranty
–
view more warranty information at
3.9
A
GENCY
A
PPROVALS
Both the S1-A and S1-C heat trace controllers conform to UL Standard 1053 and are certified to CSA Standard C22.2
No. 14 for Ground-Fault Sensing and Relaying Equipment.
Both the S1-A and S1-C devices comply with part 15 of the FCC Rules. Operation is subject to the following two
conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference
received, including interference that may cause undesired operation.
NOTE: THE S1-A AND S1-C HAVE BEEN TESTED AND FOUND TO COMPLY WITH THE LIMITS FOR A CLASS A
DIGITAL DEVICE, PURSUANT TO PART 15 OF THE FCC RULES. THESE LIMITS ARE DESIGNED TO PROVIDE
REASONABLE PROTECTION AGAINST HARMFUL INTERFERENCE WHEN THE EQUIPMENT IS OPERATED IN A
COMMERCIAL ENVIRONMENT. THIS EQUIPMENT GENERATES, USES, AND CAN RADIATE RADIO FREQUENCY ENERGY
AND, IF NOT INSTALLED AND USED IN ACCORDANCE WITH THE INSTRUCTION MANUAL, MAY CAUSE HARMFUL
INTERFERENCE TO RADIO COMMUNICATIONS. OPERATION OF THIS EQUIPMENT IN A RESIDENTIAL AREA IS LIKELY
TO CAUSE HARMFUL INTERFERENCE IN WHICH CASE THE USER WILL BE REQUIRED TO CORRECT THE INTERFERENCE
AT HIS OWN EXPENSE.