Operating Instructions Single/Multistage Conventional or Heat Pump with Auxiliary Heat Electronic Digital Communicating Non-Programmable Thermostat NEW AND IMPROVED FEATURES Your new electronic digital thermostat has been designed to pro-
vide accurate control and display of room temperature. It also will display all relevant system information. Your new electronic thermostat has been made even better by the introduction of several new and improved features. Building on its reputation for efficient and dependable operation, your thermostat now offers the following enhancement. Thermostat and Sensor Calibration Release 3 provides easy calibration of the thermostat and remote sensors. Simply press and hold the FAN button for 10 seconds and adjust with the or buttons. GENERAL INFORMATION 2 USER CONTROLS The thermostat normally displays room temperature, mode of operation and whether cooling or heating is currently on. The six buttons on the front of the unit allow complete control of your equipment. You may select different heating and cooling setpoints for the system to maintain, e.g., 70 in heating and 75 in cooling. Raising or lowering the set-
points in heating or cooling is as simple as pushing a button. In addition, you may choose to display the temperature in F or C. The thermostat also allows you to select continuous fan operation (useful when using an air cleaner) or have the fan come on with the equipment. SYSTEM FAN OCCUPANCY BUTTON FUNCTIONS Press to select COOL only, HEAT only, AUTO (cool and heat), OFF, or EMERGENCY HEAT (heat pump installations only). Press for continuous fan or auto fan Press to select HOME (Occ1), AWAY (Occ2), SLEEP
(Occ3), VACANT (Occ4), or User Defined (USr1-USr4) occupancy modes. HOLD/RESUME Press to alternate between HOLD OVERRIDE and RESUME program. SYSTEM Select the desired mode of operation by repeatedly pressing the MODE button:
indicates cooling system only (the word COOL is displayed for 5 seconds)
indicates heating system only (the word HEAT is displayed for 5 seconds)
indicates both the heat and cool systems (the word AUTO is displayed for 5 seconds)
Blinking indicates cool ON
Flickering indicates heat ON OFF disables controller so equipment will not operate (fan operation is still possible in this mode) E Ht - Emergency heat (heat-pump installations only). COOLING Select the temperature you want your equipment to maintain while in the cooling mode by pressing and holding the or buttons. The control setpoint temperature is displayed for 5 seconds. USER CONTROLS (CONTD) 5 ADD-ON HEAT PUMPS 6 NOTES:
7 TEMPORARY TEMPERATURE OVERRIDE Press the or to temporarily raise or lower the setpoint until the next scheduled setpoint change. HOLD TEMPERATURE OVERRIDE Press the HOLD/RESUME button to change a Temporary Override to a Hold Override. This will prevent scheduled setpoint changes. Press HOLD/RESUME button again to resume scheduled setpoint changes. CELSIUS / FAHRENHEIT Simultaneously press and to switch between Celsius (C) and Fahrenheit (F) temperature display. REMOTE SENSOR (OPTION) RS1 RS2 RS+V The thermostat is designed to accept the electronic remote sensor, which will allow you to locate your thermostat in an area away from view. Indoor and outdoor sensors are available separately. TEMPERATURE ACCURACY Full temperature accuracy will be realized only after the thermostat has been installed and powered for at least one (1) hour. Your DSL thermostat is equipped to enhance the performance of an add-on heat pump. Your thermostat, in most applications, will perform the function of a fossil fuel kit. To select add-on, place switches #3 and #5 to the ON position. The thermostat will turn the compressor off with a call for auxiliary heat. When switch #5 is set to normal (OFF), the thermostat will allow the compressor and the auxiliary heat to be on at the same time. POWER FAILURES Your thermostat employs the latest in solid state electronic technology. One of the unique features of your thermostat is that no battery is required to maintain your selected setpoints in the event of a power loss as the memory is unaffected by power failures of any duration. When power is restored, the thermostat will continue operating as if the power had never been off. 3 HEATING Select the temperature you want your equipment to maintain while in the heating mode by pressing and holding the or buttons. The control setpoint temperature is displayed for 5 seconds. 4 FAN The fan will come on automatically when the system is operating, but there is no indication of this on the display. To select continuous fan operation, press the FAN button and the display will show . This is recommended for electronic air cleaners and continuous ven-
tilation requirements. OFF To turn off the heating or cooling system, press the MODE button until the word OFF appears on the LCD. It will remain displayed until the mode is changed. The OFF mode prevents the system from being energized. Avoid using the OFF mode during extremely cold weather to prevent damage to the equipment from freezing. AUTO CHANGEOVER You may set the thermostat to automatically switch from heating to cooling mode by pressing the MODE button until the word AUTO and both the heating and cooling icons appear on the LCD. The thermostat will energize the heating or cooling system based on the temperatures established for both modes. 1 (One) Year Limited Warranty The manufacturer warrants to the original purchaser that its product and component parts will be free from defects in workmanship and materials for a period of 1 (one) year from the date of purchase. Return to the original point of purchase for replacement of your product. Warranty Limitations This warranty begins at date of purchase. Warranty is Void if:
The date code is defaced or removed. The product has a defect or damage due to product alteration, connection to an improper electrical supply, shipping and handling, accident, fire, flood, lightning, or other conditions beyond the control of the manufacturer. The product is not installed according to the manufacturers instructions and specifications. The product has been installed near sources of electromagnetic interference
(EMI) such as arcing relay contact. Owners Responsibility Provide proof of purchase. Provide normal care and maintenance. Pay for freight, labor and travel. Pay for service calls related to product installation. Return any defective product. In no event shall the manufacturer be liable for incidental or consequential damages. This warranty gives you specific legal rights and you may have others which vary by state and/or province. For example, some states and/or provinces do not allow the exclusion or limitation of incidental or consequential damages so this exclusion may not apply to you. The manufacturers continuing commitment to quality products may require a change in specifications without notice. This equipment, if installed in strict accordance with the manufacturer's instructions, complies with the limits for a Class B computing device pursuant to Subpart J of Part 15 of FCC rules. INSTALLATION INSTRUCTIONS 9 It is recommended that installation be performed by a qualified installer. Location To ensure proper operation, the thermostat should be mounted on an inside wall in a frequently occupied area of the building. In addition, its position must be at least 18" (46cm) from any outside wall, and approx-
imately 5' (1.5m) above the floor in a location with freely circulating air of an average temperature. You should avoid the following locations:
- behind doors or in corners where freely circulating air is unavailable;
- where direct sunlight or radiant heat from appliances might affect control operation;
- on an outside wall;
- adjacent to, or in line with, conditioned air discharge grilles, stair-
wells, or outside doors;
- where its operation may be affected by steam or water pipes or warm air stacks in an adjacent partition space, or by an area behind the thermostat which is not climate controlled;
- where its operation will be affected by the supply air of an adjacent climate control HVAC device;
- near sources of electrical interference such as arcing relay contacts. WIRING DIAGRAM 13 Auxiliary Heat LED
(Center) Alarm LED (Left) Economy LED (Right) Display DSL-600SC-HCS GPI1 FAULT GPI2 GP+V RS2 RS1 RS+V X2 X1 New R/24v Jumper replaced with a connector (shunt). Remove if thermostat power is not supplied by equipment. Y2 W1 Y1 G R 24v 24v(c) O/W2 B Temperature Sensor Note: If the 24V(c) is not available from the equipment the jumper may be removed and a separate 24V transformer must be used to power the thermostat. This thermostat may be used with 24 Volt DC. The negative side of the DC supply must be wired to the 24V (c) terminal. 10 11 DESCRIPTION OF ICONS 12 Removing the Thermostat from the Subbase 1. Insert a flat blade screwdriver or coin 1/8" into the slot located in the bottom center of the thermostat case and twist 1/4 turn. When you feel or hear a click, grasp the case from the bottom two corners and sepa-
rate from the subbase. 2. Swing the thermostat out from the bottom. 3. Lift the thermostat up and off the subbase. 4. Place the rectangular opening in the subbase over the equipment con-
trol wires protruding from the wall and, using the subbase as a tem-
plate, mark the location of the two mounting holes (exact vertical mounting is necessary only for appearance). 5. Use the supplied anchors and screws for mounting on drywall or plas-
ter; drill two 3/16" (5mm) diameter holes at the marked locations; use a hammer to tap the nylon anchors in flush to the wall surface and fasten subbase using the supplied screws. (Do not overtighten!) 6. Connect the wires from your system to the thermostat terminals. Carefully dress the wires so that any excess is pushed back into the wall cavity or junction box. Ensure that the wires are flush to the plastic subbase. The access hole should be sealed or stuffed to prevent drafts from affecting the thermostat. Replacing the Thermostat on Subbase 1. Position the thermostat on the hinged tabs at the top of the subbase. 2. Gently swing the thermostat down and press on the bottom center until it snaps into place. Thermostat Cover Lock Insert the plastic lock piece into the bot-
tom of the mounted base. The ends of the lock piece fit snugly under the lock pins extending from the bottom of the mounted base. The tab in the middle of the lock piece extends down from the base. To release the locking mechanism, press the lock piece up and into the base while gently prying open. Thermistor Mounting Instructions When placing the front cover on the thermostat ensure the thermistor is not bent or misaligned. Ensure that the thermistor does not touch the thermostat case. The thermis-
tor should be placed horizontal to the wall. Ensure the thermistor is not pushed upward into the case. The thermistor should be aligned so it is visible between the ribs on the bottom of the subbase. TERMINAL DESIGNATIONS CONVENTIONAL Y2 . Compressor is energized for 2nd stage cooling W1 . Energizes for 1st stage heating Y1 . Compressor energized for 1st stage cooling W2 . Energizes for 1st stage heating HEAT PUMP Y2 . Compressor is energized for 2nd stage heating or cooling if 14 multistage is selected W1 . Auxiliary heat is energized as back-up or emergency heat Y1 . Compressor energized with a call for heating or cooling O . Energizes the reversing valve continuously in cool mode B . Energizes the reversing valve continuously in heat mode CONVENTIONAL OR HEAT PUMP G . Fan operates with a call for heating or cooling or by pressing the FAN button. R . Power from equipment 24V . 24 VAC hot and common to power the thermostat 24(c) RS2 . Use to connect up to 6 (SL-IDS) indoor and/or 1 RS1 RS+V
(SL-ODT) outdoor remote sensor/s. When connected the thermostat will automatically use the SL-IDS temperature sensor and not its own. Refer to the instructions included with the sensor. FAULT . Equipment Fault input. Connect through dry relay contact to GP+V to signal equipment fault. Causes wrench icon to be displayed on LCD and locks out all heat-pump stages (heat-
pump operation selected via DIP switch) when there is a call for heat. to GP+V GPI1 . General purpose inputs. Connect through dry contact relay GPI2 GP+V X1 . Communication line X2 . X1 return, connected to 24V(c) DIP SWITCH OPTIONS AND FUNCTIONS 15 Positioning the DIP switches in either the ON or OFF position enables you to choose between two different options. The DIP switches are located on the interior of your thermostat and may be accessed by fol-
lowing the procedure for removing the thermostat from the subbase. The following list describes your DIP switch options. DIP Switch DIP Switch OFF Not used (OFF position) Not used (OFF position) Conventional 4 minute minimum ON/OFF Normal Single stage Not used (OFF position) Not used (OFF position) DIP Switch ON Not used Not used Heat Pump 2 minute minimum ON/OFF Plenum Fan (conventional) Add-on (heat pump) Multi-stage Not used Not used 1 2 3 4 5 6 7 8 1. Not Used This switch must remain in the OFF position. 2. Not Used This switch must remain in the OFF position. 3. Conventional or Heat Pump Set to OFF position for conventional sys-
tems, or ON for heat pump systems. 4. 2 Minute or 4 Minute On/Off Times This option allows you to run the equipment for either a 2 or 4 minute off and on time. 5.Plenum Fan (Conventional) In the OFF position, the fan comes on immediately with a call for heat. In the ON position, the fan is controlled by the equipment (plenum switch control). 5. Add-On Heat Pump (Heat Pump) In the OFF (normal) position, the thermostat will allow the compressor and the auxiliary heat to be on at the same time. In the ON (add-on) position, the compressor is turned off with a call for auxiliary heat. 6. Single or Multi-stage Set to OFF for systems with no more than one stage of cooling AND no more than one stage of heating (excluding the auxiliary heat stage in heat pump applications), or ON for systems with two stages of cooling OR two stages of heating (excluding the auxiliary heat stage in heat pump applications). 7. Not Used This switch must remain in the OFF position. 8. Not Used This switch must remain in the OFF position. OCCUPANCY MODES 1 2 3 4 HOME
(Occ1) AWAY
(Occ2) SLEEP
(Occ3) VACANT
(Occ4) USER DEFINED
(USr1-USr4) 16 SPECIFICATIONS Rated Voltage . 20-30 VAC, 24 nominal Rated A.C. 0.050 Amps to 0.75 Amps continuous Current . per output with surges to 3 Amps Max. Rated D.C. Current . per output with surges to 3 Amps Max. Default Control . Heating: 40 to 88F in 1 Steps Range 6 to 30C in 1 Steps Cooling: 60 to 95F in 1 Steps 16 to 33C in 1 Steps 0 Amps to 0.75 Amps continuous Maximum . Heating & Cooling: 40 to 95F in 1 Steps Programmable 6 to 33C in 1 Steps Control Range Thermostat . 28 to 124F or 0 to 48C Measurement Range Minimum . (between heating and cooling) Deadband NOTE: This thermostat contains electronic circuitry replacing the conventional mechanical anticipator. 2F or 1C DSL-600SC-HCS 111-315