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The world’s 

best-selling electric floor heating brand

WARMUP INC. 

USA: [email protected]
Tel.: 1-888-927-6333 
www.warmup.com

CANADA: [email protected] 
Tel.: 1-888-592-7687
www.warmup.ca

The world’s 

best-selling electric floor heating brand

DS-2C RAIN/SNOW SENSOR CONTROLLER
INSTALLATION INSTRUCTIONS

LIMITED WARRANTY

The DS-2C is warranted against defects in workmanship and materials for two years from date of sale. This warranty does 
not apply to damage resulting from accident, misuse, or alteration nor where connected voltage is more than 5% above 
the configured operating voltage, nor to equipment improperly installed or wired or maintained in violation of this Owner’s 
Manual. No other written or oral warranty applies. 
No employee, agent, dealer or other person is authorized to give any warranties on behalf of Warmup.

Units returned for warranty repair cannot be modified from shipped condition and leads must protrude a minimum of 6 
inches from the base conduit hub. Repair costs of a modified unit will be quoted as the unit must be returned to the original, 
unmodified condition prior to return shipping. The customer shall be responsible for all costs incurred in the removal or 
reinstallation and shipping of the product for repairs. Within the limitations of this warranty, inoperative units should be 
returned, freight prepaid, to Warmup and we will repair or replace, at our option, at no charge to you with return freight paid 
by Warmup. It is agreed that such repair or replacement is the exclusive remedy available from Warmup and that Warmup IS 
NOT RESPONSIBLE FOR DAMAGES OF ANY KIND, INCLUDING INCIDENTAL AND CONSEQUENTIAL DAMAGE. Some states do not allow 
the exclusion or limitation of incidental or consequential damages so the above exclusion may not apply to you. The warranty 
gives you specific legal rights, and you may also have other rights which vary from state to state.

Need Indoor Monitoring & Control?

Simple Installation & Operation at a Competitive Price. 
Ask Warmup about the CDP-2, a remote for the DS 
controllers or visit www.warmup.com

Summary of Contents for DS-2C

Page 1: ...cation that exposes the moisture sensor to a clear view of the sky The unit should not be mounted directly under eaves or overhangs It should not be mounted so close to the ground that it may become buried in snow For proper temperature detection the DS 2C must be mounted outdoors away from furnace vents dryer vents and other sources of heat Note that when powered the DS 2C moisture grid will alwa...

Page 2: ... temperature If selected the snow sensor will clear a trigger below 5 F 15 C even if snow is still falling It will resume normal operation above 9 F 13 C However the sensor will remember if it was triggered before the drop below 5 F or if snow was detected during the cold period If so the sensor will execute one Delay Off cycle when the temperature rises above 9 F in order to melt any snow left be...

Page 3: ...stant triggers from snow falling from trees or overhangs may be reduced by adjusting SENSITIVITY The Delay Off time can also be adjusted to provide clean melt off without excessive running time Fine adjustment can both save operating expense and provide more reliable operation However to keep reliability high always make adjustments in small increments Use Care When Replacing the Front Cover Do No...

Page 4: ...While not as convenient as directly supplying power for the load this allows you to operate the DS 2C from one voltage while controlling a load of a different voltage without adding an external relay or contactor For example the DS 2C can be powered from 120VAC but can directly control a 24VAC signal for a boiler system or 277VAC for heating wire The following diagrams show a possible wiring schem...

Page 5: ...eft behind when water is evaporated out of the moisture grid will eventually damage the grid rings The moisture grid can be easily replaced by ordering and installing an MG 5 Moisture Grid Assembly and following the procedure below THIS PROCEDURE SHOULD ONLY BE PERFORMED BY QUALIFIED PERSONNEL Open all power and load breakers connected to the DS 2C Open the front cover and remove the cable connect...

Page 6: ... of 6 inches from the base conduit hub Repair costs of a modified unit will be quoted as the unit must be returned to the original unmodified condition prior to return shipping The customer shall be responsible for all costs incurred in the removal or reinstallation and shipping of the product for repairs Within the limitations of this warranty inoperative units should be returned freight prepaid ...

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