Tekmar 363 Universal Reset Control Installation User Manual

1 of 40Copyright © D 363 -12/08D 36312/08Universal Reset Control 363- Data BrochureThe Universal Reset Control 363 is a microprocessor based control d

10 of 40Copyright © D 363 -12/08Section C2 —DHW PriorityDHW PRIORITY It is often desirable to limit or even stop the flow of heat to the heating syste

11 of 40Copyright © D 363 -12/08Section C3 —DHW with Low Temperature Boilers (without Mixing)If DHW is to be incorporated into a low temperature syste

12 of 40Copyright © D 363 -12/08Section D1—General Mixing OperationMIXING DEMAND A mixing demand is generated by applying a voltage between 24 and 240

13 of 40Copyright © D 363 -12/08MIXING SETBACK (MIX SETB) (RESET RATIO)The MIX SETB is the amount that the mixing supply water temperature isreduced

14 of 40Copyright © D 363 -12/08VARIABLE SPEED INJECTION (MIXING = VAR) A standard wet rotor circulator is connected to the 363 on the Cls / Vartermin

15 of 40Copyright © D 363 -12/08ROOM TEMPERATURE UNIT (RTU) 062, 063 If the mixing system consists of a single zone, temperature control of that zone

16 of 40Copyright © D 363 -12/08Section E3 —Without a Tank SensorThe 363 is capable of operating the storage tank system without a storagetank sensor.

17 of 40Copyright © D 363 -12/08• If a tekmar Zone Control is used, run the wires from the Zone Control to the 363. Refer to the instructions supplied

18 of 40Copyright © D 363 -12/08Variable Speed Injection PumpThe 363 can vary the speed of a permanent capacitor, impedance protected or equivalentpum

19 of 40Copyright © D 363 -12/08Zone Control InputIf an external tekmar Zone Control is used, connect the wire from theCom Sen terminal on the Zone Co

2 of 40Copyright © D 363 -12/08How To Use The Data BrochureThis brochure is organized into four main sections. They are: 1) Sequence of Operation, 2)

20 of 40Copyright © D 363 -12/08Boiler DemandIf a Boiler Demand is used, measure the voltage between the Boil Demand the Com Dem terminals (4 and 3).

21 of 40Copyright © D 363 -12/08Variable Speed Injection Pump (Storage)If the storage feature is used in the control, the two variable speed injection

22 of 40Copyright © D 363 -12/08DIP Switch SettingsThe DIP Switch settings on the control are very important and should be setto the appropriate setti

23 of 40Copyright © D 363 -12/08Minimum boiler supply temperature during a setpointdemand.10K 2 = DHW, ORDHW THRU = NONE363 View Menu (1 of 1)-31 to 2

24 of 40Copyright © D 363 -12/08•D1• • • •• • •D1D3B2B2D3• • •D3• •A• •• • •D1• •A363 Adjust Menu (1 of 5)OccD1The desired room air temperature during

25 of 40Copyright © D 363 -12/08363 Adjust Menu (2 of 5)• •D1The starting water temperature used in the resetratio calculation for the mixed supply.DI

26 of 40Copyright © D 363 -12/08363 Adjust Menu (3 of 5)OccUnOcc35 to 100˚F(2 to 38˚C)Default = 70°F (21°C)The desired room air temperature during anO

27 of 40Copyright © D 363 -12/08363 Adjust Menu (4 of 5)• •C4• •• •B1B1C1C1• • •C1• • •C1• •• •C1• •C2B1• •• •The time delay the control can expect be

28 of 40Copyright © D 363 -12/08363 Schd (Schedule) Menu (1 of 1)• • • •AThe type of setback override that is in effect.DIP switch = SetbackAWAY is av

29 of 40Copyright © D 363 -12/08Room Temperature Units (RTUs) 062 and 063A single RTU may be connected to the Universal Reset Control 363 in order to

3 of 40Copyright © D 363 -12/08DisplaySymbol DescriptionMix DemandBoiler DemandDHW DemandSetpoint DemandWWSDMinimumMaximumMenuItemNumber FieldDisplays

30 of 40Copyright © D 363 -12/08363 RTU Adjust Menu (1 of 1) SectionThe desired room air temperature during anOccupied period for the mixing zones.Not

31 of 40Copyright © D 363 -12/08Testing the ControlThe Universal Reset Control 363 has a built in test routine which is used to test the main controlf

32 of 40Copyright © D 363 -12/08Step 4- The mixing pump (Mix P2) is turned on for 10 seconds and then shuts off.NOTE: Only if there is a mixing demand

33 of 40Copyright © D 363 -12/08Sketch the piping of the system. This is a relatively simple step that tends to be overlooked,however it can often sav

34 of 40Copyright © D 363 -12/080 to 80˚F(-18 to 27˚C)Default = 45°F (7°C)363 Monitor Menu (2 of 3)The highest temperature recorded at the mixing sens

35 of 40Copyright © D 363 -12/08The number of times that a communication error has been detectedbetween the control and either an RTU or RDM since thi

36 of 40Copyright © D 363 -12/08Error Displayed Description of Error363 Error Messages (2 of 4)The RTU was unable to read a piece of information store

37 of 40Copyright © D 363 -12/08Error Displayed Description of Error363 Error Messages (3 of 4)The control is no longer able to read the Boiler Supply

38 of 40Copyright © D 363 -12/08The Remote Sensor 3 attached to the RTU is being read as an open circuit. The RTU will continueoperation using all rem

39 of 40Copyright © D 363 -12/08Notes

4 of 40Copyright © D 363 -12/08Section A —General OperationPOWERING UP THE CONTROL When the Universal Reset Control 363 is powered up, the control dis

The installer must ensure that this control and its wiring are isolated and/or shielded from strong sources of electromagnetic noise.Conversely, this

5 of 40Copyright © D 363 -12/08Fin–tube Convector (CONV) A convector terminal unit is made up of a heating element with fins on it. This type of termi

6 of 40Copyright © D 363 -12/08SOFT START (SOF STRT) The SOF STRT function allows the 363 to slowly ramp the water temperature up to the required supp

7 of 40Copyright © D 363 -12/08BOILER DESIGN (Boil DSGN) (RESET RATIO & CHARACTERIZED HEATING CURVE) The Boil DSGN temperature is the supply water

8 of 40Copyright © D 363 -12/08DIFFERENTIAL (Boil DIFF) An on / off heat source such as a boiler must be operated with a differential to prevent short

9 of 40Copyright © D 363 -12/08Section C1 —Domestic Hot Water (DHW)DHW DEMAND A DHW demand is generated on the 363 by one of two methods: either an ex