Thermo-products USDT 2004B User Manual

USDT 2004 Installation and User’s Guide Introduction General Information 2 Installation Collector Sensor 3

10 ADVANCED OPERATIONS or 3rd sensor designation Men Mode customizes USDT 2004 for applications in conjunction with a BTU meter, a third sensor

11 The factory setting will be retrieved by pressing and holding ò key during powering of the unit. A “WELOAD” displays for three seconds while f

12 rost and overheating protections - Pump operation can be manipulated by the user in both collector stagnation and frost conditions. This se

13 After-running time AT – During the start phase, the pump may repeatedly switch on and off for a long time, especially systems with long solar

14 nergy calculation - Energy gain is calculated by obtaining the temperature increase of the heat transfer fluid as it crosses the solar coll

15 T roubleshooting In general, if there is a malfunction all of the settings in the menus Par and Men and the terminal should first be checked fi

2Introduction Note: The information supplied in this manual is for guidance only - no part of this may be used for any agreement, whether express

3INSTALLATION Note: This installation procedure is for guidance only, and the installer should verify its suitability. Make sure that the solar

4l Tank sensor (white cable): This sensor, required for the solar loop return, is installed in the lower part of the storage tank. If there is no

5 Undo the screw at the top of the housing. The control electronics are mounted on the enclosure cover. The controller enclosure can be screwed t

6 ower Connections: A small blade screwdriver may be used to fasten miniaturized terminal block screws while the corresponding wire is inserted.

7ò Push selection key once to enter the advanced (Par or *Men) mode. Once in selected mode, press one more time to select the parameter in that m

8 CHANGING FACTORY SETTINGS: Temperature differentials and manual operation of pump Par Mode is USDT 2004's basic program; it us

9Tank Overheating Protection In Par Mode, user can customize the temperature range by using max? and max=. Use the navigation key ^_ in Par