Tekmar Universal Reset Control 363 Data Brochure Download Page 39 | Manualshive

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Copyright © D 363 -06/99

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Summary of Contents for Universal Reset Control 363

Page 1: ...from either the boiler or a thermal storage tank PRGM S TIME AMPM UNOCC OVR S M W T F T 1 2 LR 58233 E150539 70 M M Input 120 V ac Power Supply Input BOIL or MIX tekmar Zone Control Output Mixed Syste...

Page 2: ...Interface The 363 uses a Liquid Crystal Display LCD as the method of supplying information You use the LCD in order to setup and monitor the operation of your system The 363 has four push buttons Men...

Page 3: ...is operating Open Close Displays when the actuator is opening or closing the mixing valve DHW Pump Valve Displays when the DHW pump or valve is on Warning Displays when an error exists or when a limit...

Page 4: ...UNITS Boil TERM MIX TERM When using a Characterized Heating Curve the control requires the selection of a terminal unit The terminal unit determines the shape of the Characterized Heating Curve accor...

Page 5: ...cted the 363 operates in the selected override mode for 3 hours Once completed the control reverts to the previous operation Permanent PERM If a permanent override is selected the 363 operates in the...

Page 6: ...e control valves or pumps is disconnected Section B Boiler Reset Mode 1 Section B1 General Boiler Operation BOILER DEMAND A boiler demand is generated by applying a voltage between 24 and 240 V ac acr...

Page 7: ...is placed into an UnOccupied mode using an internal or an external setback as described in Section A This setting is only available if the Reset Ratio DIP switch is selected and Setback None DIP switc...

Page 8: ...MASS Boil MASS The Boil MASS setting allows the 363 to adjust to different types of heat sources depending on their thermal mass Light LITE The LITE setting is selected if the boiler that is being us...

Page 9: ...8 The boiler pump provides flow through the DHW tank s heat exchanger once the DHW valve is opened The 363 operates the boiler to provide a sufficient boiler supply temperature to the DHW tank DHW Pu...

Page 10: ...above the required temperature during DHW generation this indicates that the boiler has enough capacity for DHW and possibly heating as well As long as the boiler supply temperature is maintained near...

Page 11: ...ble either a DHW sensor must be used or the DHW THRU item is set to NONE If an external DHW demand is used as described in Section C1 you cannot use the setpoint feature SETPOINT DEMAND The 363 regist...

Page 12: ...ure is the supply water temperature required to heat the mixing zones when the outdoor air is as cold as the Outdoor Design temperature MIXING MAXIMUM MIX MAX RESET RATIO CHARACTERIZED HEATING CURVE T...

Page 13: ...zones and it provides a parallel shift of the Characterized Heating Curve The room temperature desired by the occupants is often different from the design indoor temperature MIX INDR If the room temp...

Page 14: ...ded by connecting a tekmar zone control to the 363 The zone control provides its own internal mixing demand to the 363 In this case there is no need to provide an external Demand as described earlier...

Page 15: ...o the boiler loop This pump provides heat to the mixing system from the boiler Note A relay must be installed as described in the wiring section for the 363 to switch the variable speed output signal...

Page 16: ...ors 071 Data Brochures D 363 D 070 D 001 User Brochure U 363 Application Brochures A 363 Essays E 003 E 021 Note Carefully read the details of the Sequence of Operation to ensure that you have chosen...

Page 17: ...mand and setpoint demand circuits since they share the Com Dem terminals Output Connections Boiler Pump Contact Boil P1 The boiler pump output terminal 8 on the 363 is a powered output When the relay...

Page 18: ...g a 120 V ac double pole double throw DPDT relay is shown to the right Mixing Valve Actuator Connect one side of the 24 V ac power to the Pwr Mix terminal 14 on the control The output relay Opn termin...

Page 19: ...ader on the control before power is applied for testing To remove the terminal block pull straight down from the control The following tests are to be performed using standard testing practices and pr...

Page 20: ...ls and the pump or valve and refer to any installation or troubleshooting information supplied with these devices If the DHW pump or valve operate correctly disconnect the power and remove the jumper...

Page 21: ...erminals 14 15 and 16 make sure power to the motor circuit is off and install a jumper between the Pwr Mix and Opn terminals 14 and 15 When the circuit is powered up the actuator should move in the op...

Page 22: ...ed The control responds to an external setback signal generated on the UnO Sw terminal HEATING CURVE RESET RATIO FACTORY SETTING IS CHARACTERIZED HEATING CURVE The Characterized Heating Curve Reset Ra...

Page 23: ...hat is being received from a tekmar Zone Control that is operating the boiler zones 10K 1 Boil 35 to 110 F 2 to 43 C B2 Current slab sensor temperature 10K 1 SLAB MIX MIN OFF 58 to 167 F 50 to 75 C D3...

Page 24: ...Heating Curve RTU is connected OFF 35 to 120 F OFF 2 to 49 C Default 70 F 21 C 40 to 150 F 4 to 66 C Default 90 F 32 C The minimum temperature at the slab sensor DIP switch Characterized Heating Curv...

Page 25: ...he maximum supply temperature for the mixing system 80 to 210 F OFF 27 to 99 C OFF Default 140 F 60 C D2 The type of mixing device that is to be used in the heating system FLOT Floating VAR Variable s...

Page 26: ...inal units that are being used for the boiler side of the system DIP switch Characterized Heating Curve The design indoor air temperature used in the heat loss calculation for the boiler system DIP sw...

Page 27: ...ring the Occupied period 10K 2 DHW DHW THRU NONE Selects whether or not DHW will be generated during the UnOccupied period DIP switch Setback 10K 2 DHW DHW THRU NONE The portions of the heating system...

Page 28: ...Selects whether or not the setpoint demand will have priority over the heating system 10K 2 DHW OR DHW THRU NONE The system s warm weather shut down during the Occupied period The system s warm weath...

Page 29: ...efault ON ADV INST USER LTD Default INST The units of measure that all of the temperatures are to be displayed in by the control The operating mode for the back lighting on the LCD as well as the time...

Page 30: ...nsor when not in WWSD REMOTE 3 SLAB OFF 35 to 120 F OFF 2 to 49 C Default 70 F 21 C 40 to 150 F 4 to 66 C Default 90 F 32 C The maximum target temperature at the slab sensor REMOTE 3 SLAB Actual Setti...

Page 31: ...em the injection pump is ramped up over 10 seconds to 100 Step 2 If STOR is selected in the MIXING item the switching relay is energized and the storage tank injection pump is operated At the same tim...

Page 32: ...NO 2 Using the Up or Down buttons select the word YES After 3 seconds the control flashes the word MANUAL and the number 100 This number represents the desired output from the mixing device 3 Set the...

Page 33: ...control to operate over a known period of time and then record the Monitor items Use this information to help diagnose any remaining problems Troubleshooting Sketch the Piping in the System Document...

Page 34: ...cleared This item is an adjustable warning If a DHW demand exists continually for longer than this warning setting the control will display a warning message This item is an adjustable warning that ca...

Page 35: ...en checked by the user or installer Note Access level must be ADV in order to clear the error The control was unable to read a piece of information stored in the Monitor menu Because of this the contr...

Page 36: ...tem button The RTU was unable to read a piece of information stored in the Adjust menu Because of this the control was required to load the factory settings into all of the items in the Adjust menu Th...

Page 37: ...enu or Item button The air sensor in the RTU is being read as an open circuit The RTU will continue operation using all remaining sensors If all of the sensors are unavailable the control will continu...

Page 38: ...em To clear this warning press either the Menu or Item button This warning message will be displayed if the air temperature sensed by an indoor air sensor exceeds the setting of the ROOM HOT item in t...

Page 39: ...39 of 40 Copyright D 363 06 99 Notes...

Page 40: ...sses costs expenses inconveniences or damages whether direct indi rect special secondary incidental or consequential arising from ownership or use of the product or from defects in workmanship or mate...

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