Step Touch Installation and User Manual
Contents
1. Illustration 3 DIP Switches Rough In The thermostat is designed to be flush mounted on a single gang junction box Install such a box at the desired mounting location Install the supplied 3 conductor shielded cable between the housing and the power supply The cable can be installed in the wall without the use of conduit as it only carries a low voltage signal If the cable is not long enough acquire a suitable length of an equivalent cable sufficient to run the full length between the boxes Do not splice the cable only use a full new length If an additional power supply will be connected install the supplied 3 conductor shielded cable between the supplies Thermostat Terminate the 3 conductor shielded cable to the thermostat Trim back the shield flush with the outer cable jacket and do not ground the drain non insulated wire at the thermostat only ground the drain wire at the COM terminal on the regulator Remove the faceplate from the housing to expose the mounting holes Push the excess cable into the box and install the Thermostat using the screws provided Reinstall the faceplate onto the housing STEP warmfloor Operation Normal Operation The STEP Touch digital display indicates the measured room temperature during normal operation Switching On Off To switch the STEP Touch thermostat on simultaneously hold the Up and Down switches for about 4 seco2. DIP Switch AutoDim Switch DIM External Temperature Sensor Mode Switch EXT Snowmelt Mode Switch SM Specifications Internal Ambient Temp Range 0 99 F 9 37 C External Sensor Temp Range 0 99 F 9 37 C Internal Sensor Mode Set Temp Range 40 90 F 4 32 C External Sensor Mode Set Temp Range 40 90 F 4 32 C Snow Melt Mode Set Temp Range 32 41 F 0 5 C Power 9 24V AC DC 12mA max Physical Dimensions 2 85 oe 0 49 1 89 0 56 2 41 4 60 01 2014 Electro Plastics Inc All rights reserved
3. Model Number EPI LX TC Thermostat Note This manual contains important EPI LX TS External Sensor warnings and instructions Please read and retain for reference Made in the U S A 01 2014 Electro Plastics Inc All rights reserved Physical Description The new STEP Touch electronic thermostat is a zone control device specially designed for use with the STEP Warmfloor radiant heat system The STEP Touch provides a pulsed output that complements the self regulating nature of the STEP Warmfloor heating elements to offer the homeowner the highest energy efficiency while providing better zoned control over personal comfort Green a TRG Thermostat Black S COM The thermostat is the operator interface for the STEP Warmfloor system It is designed to be flush wall mounted in a place that will be most representative of the zone it controls The thermostat consists of a digital display that indicates the measured air temperature or set temperature touch sensitive switches for control of the set point the air temperature sensor and indicators for the external sensor mode snowmelt mode and logo illumination Temperature Regulator External Display The regulator is an intelligent soft start switch that enables disables Sensor the line voltage in such a way that does not harm the transformer s AS and gently applies the load to the power system The regulator consists of a printed circuit board mounted in
4. Installation amp Operation Manual warmfloor Do not use this equipment before reading this manual The New STEP Touch Thermostat The Ideal Way to Control Your Warmfloor The new STEP Touch thermostat from Electro Plastics is the elegant way to control your STEP Warmfloor system Perfectly suited and designed from the ground up to work seamlessly with all Step Systems Features e Clean simple two control design for ease of operation e Three digit auto dimmable LED Display e Touch sensor controls that are maintenance free e Clear totally flat acrylic surface for a clean contemporary look that works well with any decor e Elegant stainless steel perimeter housing e Displays in Fahrenheit or Celsius e Interfaces to an external temperature sensor e Works with STEP Warmfloor STEP Snowmelt and STEP Deicing systems e Standard colors black and white Custom colors available at additional cost e Capable of interfacing with smart home systems e No batteries needed All settings are stored in permanent memory for instant recovery in the event of a power failure STEP Warmfloor logo is lit when system is heating e Green friendly low power design Specifications Set Range 40 to 90 F 4 to 32 C Internal Ambient Temp Range 0 to 99 F 1 F 9 to 37 C 0 5 C External Sensor Temp Range 0 to 99 F 9 to 37 C Power 9 24V AC DC lt 10mA without external temperature sensor
5. the display is brightened and stays bright for several seconds after modifications have been completed When AutoDim mode is not enabled the display is bright all the time 3 EXTERNAL TEMPERATURE SENSOR EXT When this switch is enabled the unit will make decisions based on the temperature reading from the external sensor The display will always show the temperature of the external temp sensor however if the user wishes to check the ambient temperature they can simply press and release both the Up and Down switches within 1 second and the ambient temperature will be displayed for several seconds after which it will revert to the temperature of the external sensor If by mistake both the External Temperature switch and the Snowmelt switch are activated the Snowmelt switch is dominant and this mode will be enabled Whenever the external sensor is active the dot in the upper left hand corner of the display will be illuminated Installation The STEP Touch thermostat can be used in conjunction with all the EPI LX R power supply series and the STEP DC Controllers Be sure to install the thermostat on an interior wall away from direct sun and drafts Measure the distance from the power supply to the thermostat to identify the length of the thermostat wire The low voltage thermostat is connected to the power supply using a 3 conductor shielded cable and can control up to 20 power supplies or 20 DC Controllers The proc
6. ere is no loss in accuracy with distance Home Control Shutdown It is also possible via the modular jack on the rear of the unit that the unit can be shut down via a relay closure from an external Home Control system If Pins 1 and 6 are shorted together the unit will shutdown 01 2014 Electro Plastics Inc All rights reserved DIP Switches FACEPLATE REMOVAL The faceplate is retained via high power magnets Illustration 2 shows proper technique to remove the faceplate and gain access to the dip switches and connections In order to remove first grasp the top edge of the acrylic faceplate with your first three fingers with your thumb on the bottom edge of the faceplate rotate the display away from the housing until it is free Dip switches are extremely easy to access via the magnetically attached front panel No fasteners or annoying plastic clips Electrical connection between the front panel and the base are made via gold plated spring loaded contacts ensuring extremely long life The 4 position dip switch is located on the inside of the front panel PCB 1 C F Simply changes the units of measurement between Fahrenheit and Celsius The Up ON position displays F and the Down OFF position displays C 2 AUTODIM MODE DIM Many people do not like a bright LED display to be on all the time especially at night The AutoDim feature simply dims the display when the unit is not being modified If a switch is pressed
7. ess of installing the EPI LX TC involves preplanning of mounting locations and roughing in of the necessary hardware The installation of the EPI LX TC typically occurs during new construction or a remodel project where access to the walls is possible for the rough in work If access to the walls is not possible as during some remodel projects the EPI LX TC installation may require the use of surface mounted raceway products Plan Mounting Locations Locate the thermostat approximately 60 in 152 cm off the floor in a location that is most representative of the zone that it controls Do not install where exposed to direct sunlight or drafts 01 2014 Electro Plastics Inc All rights reserved 4 SNOWMELT MODE SM This mode is enabled when the thermostat is being used with the snowmelt and deicing elements The external temp sensor is installed in the concrete or on the roof and the Set Temperature is adjustable between 32 41 F 0 5 C This value is maintained in flash memory The display will show this measurement and as with external mode when both the UP DOWN switches are pressed and released within 1 second the display will show the ambient temperature for a short period after which it will revert to the external temperature sensor When in Snowmelt mode the snowflake logo on the front panel will glow blue Illustration 2 Faceplate Removal O0000000000 0o99 200l sae 1 0o
8. nds To switch the thermostat off Hold the Up and Down switches for another 4 seconds and the display will count down 3 2 1 OFF at which point the STEP Warmfloor system will completely power down Set point Change The set point is modified by using the Up and Down switches located on the thermostat faceplate The first press of the switches will cause the digital display intensity to increase and to display the present set point Subsequent pressing of the switches will allow you to change the set temperature to the desired setting After a few seconds of inactivity the digital display will dim back to its original intensity and will return to displaying the measured room temperature Error Codes E1 The unit is not calibrated The unit will function normally but every so often will flash E1 This calibration is done during process testing Contact your local distributor if you see this code E2 The unit is set to either Snowmelt or External Sensor mode but no sensor is connected If you receive this error code with a sensor connected the sensor may need to be replaced Mechanical Features External 3 Digit Auto Dimmable LED Display e g 70 F Front UP Touch Switch not membrane switch DOWN Touch Switch not membrane switch External 3 Position Terminal Block AC DC TRG COM Rear 6 position 6 Contact Modular Jack Internal Fahrenheit Celsius Switch C F
9. side the power supply housing or can be purchased separately mounted in an aluminum enclosure with heat sink to be added to an existing system Each regulator is designed to handle up to 1 500W of load a Ambient Temperature Sensor EPI LX TS Optional External Sensor Temperature Units The thermostat and power supply are connected together using a length of 3 conductor shielded cable For control of a zone with a load Snowmelt larger than 1 500W up to 20 power supplies can be connected to one Mode thermostat for a total controlled load of 30 000W ae Conduit Illuminated Logo Sensor Head Functional Features Illustration 1 Thermostat Features Interface To switch the system ON hold both Up and Down capacitive sensing proximity switches no membrane switches for about 4 seconds These switches are also used to modify the Set Temperature Normally the display will show the ambient temperature however when any switch is pressed the Set Temperature is displayed for 3 seconds and the units F or C digit is flashed If a switch is pressed again while the Set Temperature is displayed the Set Temperature is modified If both the Up and Down switches are held for more than 4 seconds the unit will go into shutdown mode and completely turn the system off While these switches are held the display will count down i e 3 2 1 OFF During this time all setting informa
10. tion is saved in memory and recovered on power up All settings are permanently stored in flash memory no batteries so that in the case of a power failure there will be no need to modify any settings This also includes shutdown mode i e if you are out of town and the unit is in shutdown mode a power fluctuation will not cause the unit to re enable Output When the temperature measurement from either the internal ambient air sensor or the external floor sensor depending on the mode of operation is below the Set Temperature the unit will trigger the system to activate and the STEP logo will illuminate indicating heat is being called for STEP warmfloor Internal Temp Sense Ambient temperature is sensed via the three vent slots on the front panel External Temp Sense The unit also provides for the sensing of temperature externally via the EPI LX TS sensor supplied This could be necessary if the thermostat is located in an area that has a falsely high temperature or when it is more important to control the floor temperature It would also be used in the case of Snowmelt mode where the sensor would need to be installed in the concrete or roof that is being heated This connection is made via a very common 6 position 4 contact modular connector and allows the sensor to be extended to a maximum distance of 50 feet The external sensor has a small micro controller built in and digitally transmits the temperature data so th
Download Pdf Manuals
Related Search