Delta-Therm UDG-4999 Installation Instructions Manual
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DELTA-THERM Corporation, P.O. Box 345, Wauconda IL, 60084 (847) 526-2407 Fax (847) 526-4456 (800) 526-78871Installation Instructions UDG-4999 THERMosTATThe UDG-4999 thermostat is an “all-in-one” programmablethermostat for electric in-floor heating control.PRECAUTIONSTurn off the power to the heating system at the main•power panel to avoid electrical shock.Install• in compliance with the National and/or Local Elec-trical Code. The UDG-4999 thermostat is equipped witha ground fault circuit interrupter (GFCI, Class A), whichrequires that the line and load be isolated from each otherfor correct operation.The resistive load must not exceed 15A (1800 W at 120•VAC, 3120 W at 208 VAC, 3600 W at 240 VAC).1. lOCATIONLocate the thermostat on the wall with free air circulationabout 62” (1.6m) above the floor. Do not mount thermostat indirect sunlight. Refer to Detail 1.2. INSTAllINg ThE ThERmISTOR IN ThE flOORThe UDG-4999 thermistor is used for temperature regulationof in-floor heating systems. Install the thermistor in a pieceof 1/2” thin walled metal conduit, and place between heatingcable runs. Refer to Detail 2.If required, the thermistor cable can be extended up to 328’(100m).3. ThERmOSTAT CONNECTIONIncoming Power WiringDelivers power from the service panel (breaker panel orfuse box) to the UDG-4999 thermostat. Connect line voltagewiring to the terminals (marked L1 and L2).Cold lead WiringDelivers power from the UDG-4999 thermostat to the heatingcable. Connect cold lead wiring to the load terminals (markedload and 15A).Remove cover (open lock with a Phillips head screwdriver).1.Connect wiring according to the directions above and2.diagram on back of UDG-4999. Refer to Detail 3.4. ThERmISTOR CONNECTIONBring thermistor wire through the slot and connect to terminalsmarked “IN/SENSOR”, terminals C and D. Refer to Detail 4.5. mOUNTINg ThE ThERmOSTATMount the UDG-4999 in the junction box, located on the wall.Carefully replace the front cover by first positioning its upperedge and then clicking it into place.Detail 2. Install thermistor between two cable runs.62”Detail 4. UDG-4999 thermistor connection.1 2 3 4L1(L) L2(N)LINE120 / 240 VACLOAD1800W / 3600W MAX 15A5“2“2“2“2“2“2“Thermistorin conduit.Detail 1. Do not mount thermostat in direct sunlight.Detail 3. Remove cover and connect wiring. |
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