Thermo Products USDT 2004B инструкция обслуживания

USDT 2004B Installation and User’s Guide Introduction General Information 2 Installation Collector Sensor 3 Control Box 5 Power Connection 6 Display Window 6 Operation Basic Operation of Digital Display 6 Program ming the Temperature Range 8 Manual Operation Mode 9 Troubleshooting 10  Thermo Technologies 5560 Sterrett Place • Suite 115 Colum[...]

2 Introduction Note: The information supplied in this manual is for guidance only - no part of this may be used for any agreement, whether express or implied, or to form any contract. Thermo Technologies reserves the right to change specifications without prior notice. SDT 2004B is a powerful temperature differential control unit. It uses two tempe[...]

3 INSTALLATION Note: This installation procedure is for guidance only, and the installer should verify its suitability. Make sure that the solar system is physically installed, manually tested, and ready for controlled operation. he following safety precautions is strongly recommended: 1. Before attempting to install and operate the unit read this [...]

4 l Collector sensor (red cable with protective terminal box): Either push into a thermowell, (sensor pocket), which is soldered or riveted directly to the manifold (vacuum tubes). Alternately, strap the sensor to the collector outlet pipe or the absorber ( flat plate collectors) that projects from the collector housing. Ideally, house the collecto[...]

5 Undo the screw at the top of the housing. The control elec tronics are mounted on the enclosure cover. The controller enclosure can be screwed to the wall with cable entry grommets pointed downwards. Use the supplied plastic bridges to secure power and sensor cables. Base of the unit to be mounted at eye - leve l and wired as shown above Caution:[...]

6 ower Connections: A small blade screwdriv er may be used to fasten miniaturized terminal block screws while the corresponding wire is inserted. NOTE 1: Always disconnect the controller from power supply before opening the housing. NOTE 2: The controller should be properly grounded. Flexible w ires, 18/3 AWG (gauge/conductor) simplify connection t[...]

7 ò Push selection key once to enter the advanc ed (Par or *Men) mode. Once in selected mode, press one more time to select the parameter in that mode. Selected parameter blinks allowing the user to modify it. You can modify the selected parameter while the middle window blinks by pressing the ï or ð ke y. ñ Push selection key once to accept se[...]

8 Par Using the navigation key ^_ allows you to select the desired parameter while you are in the program mode. Press the selection key ò once to select the parameter in the window. Selected parameter blinks allowing you to modify it. You can modify the selected parameter while the middle window blinks by pressing the ï or ð key. The unit accept[...]

9 Ma nual Operation Mode This mode allows the user to manually turn the pump on or off. AUTO The above display indicates that the unit is working in automatic mode. The pump starts at a temperature difference of 15 o F and runs as long as ? T is above 7 o F. The B symbol appears in upper display line next to the collector symbol while the pump is r[...]

10 T roubleshooting In general, all of the settings in the menus Par and Men and the terminal should first be checked if there is a malfunction. Malfunction, but "realistic" temperature values: • Check program number. It should be “0” (zero) for 2004B unit. • Check the switch - on and switch - off thresholds and the set differenti[...]