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combined heating sources and regulation of burner or
FIRŠT-ROTOTEHNIKA, s.p.
Radegunda 54, 3330 MOZIRJE
Differential thermostat for solar systems and
DTC 100/2 TDG
User's manual Installation and
electric heating element
maintenance instructions
PE VELENJE
Koroška cesta 56a, 3320 VELENJE
tel. 03/ 898 35 00, fax. 03/ 898 35 35
www.first.si, e-mail: info@first.si
ID-2605-01-DTC100-2TDG-ang.indd
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Summary of Contents for First DTC 100/2 TDG
- Page 1 Differential thermostat for solar systems and combined heating sources and regulation of burner or electric heating element DTC 100/2 TDG User’s manual Installation and maintenance instructions PE VELENJE FIRŠT-ROTOTEHNIKA, s.p. Koroška cesta 56a, 3320 VELENJE Radegunda 54, 3330 MOZIRJE tel. 03/ 898 35 00, fax. 03/ 898 35 35 www.first.si, e-mail: info@first.si...
- Page 2 DTC 100/2 TDG Dear cUstUmer Congratulations You have bought a DTC 100/2TDG differential thermostat, manufactured according to the latest quality and safety standards. It is made according to the state of art and efficiently utilizes solar energy or alternative sources for domestic water heating. We are convinced that the use of our product will satisfy your needs too and help you to save your money.
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Page 3: Operation
DTC 100/2 TDG GeneraL DTC 100/2TDG is a single differential thermostat featuring temperature display, designed for domestic water heating from one heating source (solar collectors, boilers, heat, pumps,...) The thermostat controls pump or motor actuated ball valve (EMV 110...) and burner or electric heating element. -
Page 4: Installation Of Thermostat
DTC 100/2 TDG InstaLLatIon oF thermostat Install the thermostat on hot water tank chasing or close to it. Do not install it under the pipe fittings or valves due to possible water dripping on its housing. sensor InstaLLatIon SENSOR INSTALLATION IN COLLECTOR OR bOILER (KF) -
Page 5: Electrical Connection
3 mm separation of thermostat from the mains (switch or socket). Prir to each intervention in the thermostat, first disconnect it from the mains. Terminal Connection sensor T1 - heating source... -
Page 6: Control Panel
DTC 100/2 TDG controL PaneL 1..Regulation of maximum required temperature in hot water tank (10°-90°) 2..Operation switch for operation mode selector (OFF, AUTO, ON) 3..Display 4..Control light for pump operation 5..Control light for burner operation 6..Key for adjustment of thermostat difference 7..Key for max. - Page 7 DTC 100/2 TDG temPeratUre settInG oF hot Water tanK You can set maximum water temperature of hot water tank (from 10° to 90°) with the right key. When the temperature is reached, the thermostat deactivate the pump regardless the temperature of heating source. If hot water is used by the appliance with limited maximum temperature of inflow, this setting is very useful.
- Page 8 DTC 100/2 TDG examples: 1. Heating DHWT (domestic hot water tank) with solar collectors Electrical connection 2. Heating DHWT with solar collectors To prevent thermo circulation of water at night time, we recommend use of motor actuated ball valve. More on last page. Electrical connection 3. Heating DHWT with solid fuel boiler. Electrical connection...
- Page 9 DTC 100/2 TDG 4. Heating DHWT with oil or gas boiler. Electrical connection Boiler control: 5. Heating DHWT with electrical heater. Electrical connection Legend: Electric motor actuated ball valve Differential thermostat EMV 110 .. series 602, 603 DTC 100/2 TDG Electrical heater T1, T2 Sensors Safety thermostat of electric heater T1 - colector sensor...
- Page 10 DTC 100/2 TDG hoLes For easIer InstaLLatIon oF DIFFerentIaL thermostat on WaLL...
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Page 11: Troubleshooting Guide
DTC 100/2 TDG technical data Supply voltage: ....... 230V, 50Hz +/-10% Power consumption ......4 VA Type of thermostat ......P Measurement area ......-40°C do 160°C Adjustable temperature range ..10°C - 90°C Adjustable difference settings ..2K - 15K Hysteresis of difference .... - Page 12 DTC 100/2 TDG advantages of motor actuated ball valves of emV110.. series with incorporated relay module for solar heating systems In solar heating systems motor actuated ball valves can prevent various inconveniences. - Effectively prevent hydraulic shocks in systems as they require 30 seconds for complete opening.
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