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Radiant

Basic Heating Control

Installation Manual

March 2009

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Содержание Basic Heating Control

Страница 1: ...Radiant Basic Heating Control Installation Manual March 2009...

Страница 2: ...he supply water temperature The control has a Liquid Crystal Display LCD to view system status and operating information Additional functions include User comfort adjustment to increase or decrease bu...

Страница 3: ...use the LCD display Control Sections 3 and 4 which discusses how the mixing device and boiler are controlled Installation Section 5 which details the mounting and connection process for the control a...

Страница 4: ...in operation Burner Displays when the boiler relay is turned on F C Displays the units of measurement that all of the temperatures are to be displayed in the control Pointer Displays the actuator oper...

Страница 5: ...d 9 The Basic Heating Control pulses the actuator motor open or closed to maintain the correct mixed supply water temperature at the supply sensor The valve that the actuator is connected to can be ei...

Страница 6: ...r where the building is located This temperature is used when performing the heat loss calculations for the building If a cold outdoor design temperature is selected the mixing supply temperature rise...

Страница 7: ...ion of the mixing valve exceeds 30 The boiler contact remains closed until the position of the mixing valve reduces below 15 This setting would normally be chosen for low mass boilers copper fin tube...

Страница 8: ...n wiring hardware and conduit fittings Before removing the knockouts check the wiring diagram and select those sections of the chamber with common voltages Do not allow the wiring to cross between sec...

Страница 9: ...s can be run in a grounded metal conduit If using shielded cable the shield wire should be connected to the COM sensor terminal on the control and not to earth ground Replace the front cover of the se...

Страница 10: ...ircuit to the neutral N terminal 4 Valve Actuator Terminals 7 8 and 9 are powered with 24 VAC from the control There is no need to provide a separate 24 VAC power source for the valve actuator R Opn 7...

Страница 11: ...o be tested and the readings compared Test the sensors according to the instructions on page 15 Test the Power Supply Make sure exposed wires and bare terminals are not in contact with other wires or...

Страница 12: ...iring until the boiler pump is running If the boiler operates properly disconnect the power and remove the jumper Connecting the Control Make sure all power to the devices and terminal blocks is off a...

Страница 13: ...n the User Interface see Display Settings below Boiler Enable 30 Boiler Enable 10 The position of this switch determines at which valve position the control will close the Boiler contact under normal...

Страница 14: ...e 16108 on the Injection Station to protect control in case of main control failure or removal Set higher than MIX DSGN and account for the heat loss of distribution piping WWSD Warm Weather Shut Down...

Страница 15: ...1k 1000 is required to measure the sensor resistance In addition to this the actual temperature must be measured with a good quality digital thermometer If a thermometer is not available a second sen...

Страница 16: ...which devices should be operating as indicated by the LCD This information is an essential step if additional assistance is required to diagnose the problem Isolate the problem between the control and...

Страница 17: ...control will operate the mixing valve at a fixed output Locate the problem as described in Section 5 7 To clear the error message from the control after the sensor has been repaired press the Item but...

Страница 18: ...18 VIEGA 1 800 976 9819 PI 16015 03 09 MECHANICAL AND ELECTRICAL DIAGRAMS CHAPTER 7 Pump Pump Pump Pump...

Страница 19: ...03 09 MECHANICAL AND ELECTRICAL DIAGRAMS CHAPTER 7 Three Position Actuator White wire common green wire open brown wire close Mixing Valve Actuator Blue wire common brown wire clockwise rotation black...

Страница 20: ...Dimensions 6 5 8 H x 7 9 16 W x 2 13 16 D 170 x 193 x 72 mm Approvals CSA C US meets ICES FCC regulations for EMI RFI Ambient Conditions Indoor use only 32 to 102 F 0 to 39 C 90 RH non condensing Powe...

Страница 21: ...21 VIEGA 1 800 976 9819 PI 16015 03 09 NOTES...

Страница 22: ...22 VIEGA 1 800 976 9819 PI 16015 03 09 NOTES...

Страница 23: ...23 VIEGA 1 800 976 9819 PI 16015 03 09 NOTES...

Страница 24: ...industry Viega 301 N Main Wichita KS 67202 Phone 1 877 843 4262 1 800 976 9819 Fax 1 800 976 9817 www viega com PI IM 16016 03 09 ProPress System Flameless copper press technology ProPress System Fla...

Страница 25: ...trol of Viega Mixing Stations Enhanced Mixing Stations and diverting valves The actuator is used in electronic temperature control systems which use hot and or cold water as the controlled medium in r...

Страница 26: ...tion of a screw spindle which is driven in both directions by a synchronous motor through a set of gears A magnetic coupling limits the torque of the gear assembly and the driving force of the actuato...

Страница 27: ...optional circulator activation function and built in transformer Features LED indicator lights 4 or 6 Zone Control options Simplified wiring Built in transformer Specifications Control Input Control...

Страница 28: ...minal of the Zone Control Connect a jumper from the R1 terminal to 3 R2 terminal of the Zone Control See diagram to right Priority Operation Switching the DIP switch to Priority ON will cause all othe...

Страница 29: ...field selectable differential The cool output differential is fixed at 2F degrees The setpoint is displayed and changed by pressing one of the setpoint buttons up or down Installation is simplified b...

Страница 30: ...25 F 5 to 53 C Humidity 95 non condensing Shipping Weight 0 4 lbs 170 g Location NEMA Type 1 a On T20X FP freeze protection models a relay will provide power to a valve or relay if the thermostat fail...

Страница 31: ...functional in heat only models Table 2 Field Selectable Jumper Options Feature Jumpered Not Jumpered 1 Display Celsius Fahrenheit 2 Heating operation differential 2 degrees 1 degree 3 Heat control No...

Страница 32: ...0 VAC FAN RELAY COOLING RELAY RC Y G Optional 250 Ohm 5 watt resistor is needed only if power drops below 75 milliamps 1 1 1 Figure 3 Typical T204 Wiring to Cooling System With Single Transformer 24 V...

Страница 33: ...G TRANSFORMER 120 VAC FAN RELAY COOLING RELAY RC RH Y W G HEATING RELAY 1 1 1 If one of the secondary sides of both transformers are grounded grounded sides must be connected together FACTORY INSTALLE...

Страница 34: ...nd used in accordance with the instructions Even when instructions are fol lowed there is no guarantee that interference will not occur in a particular installation If this equipment causes harmful in...

Страница 35: ...COOL OFF system switch and a FAN ON AUTO fan switch Applications include direct expansion cooling only systems Refer to Figure 3 T205 The T205 models are heat cool models with manual changeover The u...

Страница 36: ...is below 75 milliamps install a 250 ohm 5 watt resistor in parallel across the switched load Recheck for 75 milliamps The T200 thermostats must have 75 milliamps to function properly 4 Verify system H...

Страница 37: ...owerhead with the white cap Three indicator windows allow the position of the valve to be verified valve is open when red bar is visible in window Compact design provides additional clearance for inst...

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