Tekmar 264 Boiler Control Bedienungsanleitung

- Data BrochureBoiler Control 264D 26412/08 1 of 32 © 2008 D 264 - 12/08The tekmar Boiler Control 264 can control the supply water temperature f

© 2008 D 264 - 12/08 10 of 32 OUTDOOR DESIGN TEMPERATUREThe outdoor design temperature is the outdoor air temperature that is the typical coldest

11 of 32 © 2008 D 264 - 12/08Fancoil (3)A fancoil terminal unit or air handling unit (AHU) consists of a hydronic heating coil and either

© 2008 D 264 - 12/08 12 of 32 Section E1DHWSection E: Domestic Hot Water Operation Section E1: Domestic Hot Water (DHW)DHW DEMANDA DHW Demand is

13 of 32 © 2008 D 264 - 12/08CONDITIONAL DHW PRIORITYThe Conditional DHW Priority Override applies to DHW MODE 2 and 4. If the boiler sup

© 2008 D 264 - 12/08 14 of 32 DHW MODE 2 OPERATIONOn a call for DHW, the control provides DHW priority by shutting off the primary pump (Prim P1)

15 of 32 © 2008 D 264 - 12/087ComDem8Setp/DHW24 to 230 V (ac)Section F1SetpointSection F: Setpoint OperationSection F1: SetpointSetpoint

© 2008 D 264 - 12/08 16 of 32 Section G1External InputSection G: External Input OperationSection G1: External InputEXTERNAL INPUTThe control can

17 of 32 © 2008 D 264 - 12/08External Input Signal Conversion TablesCONVERSION TABLE 0 - 100 - 20 mA*020 - 10 V (dc)01Boiler Target– – –

© 2008 D 264 - 12/08 18 of 32 STEP THREE ———— ROUGH-IN WIRINGAll electrical wiring terminates in the control base wiring chamber. The base has

19 of 32 © 2008 D 264 - 12/08PrimP11110PowerNL9LN115 V (ac)121324 to 230 V (ac)C.A./AlarmLNMOR1Com2BoilSup3BoilRet4Out2134ComBoilSupBoilR

© 2008 D 264 - 12/08 2 of 32 The control uses a Liquid Crystal Display (LCD) as the method of supplying information. You use the LCD in order to

© 2008 D 264 - 12/08 20 of 32 21ComBoilSupBoiler Return SensorIf a boiler return sensor is used, connect the two wires from the Boiler Return Sen

21 of 32 © 2008 D 264 - 12/08DHW DemandIf a DHW demand is used, measure the voltage between the Setp / DHW and the Com Dem terminals (8 a

© 2008 D 264 - 12/08 22 of 32 9PowerLNPrimP11011LN1514Relay111514Relay1124 to 230 V (ac)LN1312C.A./AlarmM24 to 230 V (ac)LNOR Test The OutputsPri

23 of 32 © 2008 D 264 - 12/08External Input / Stand AloneThe External Input / Stand Alone DIP switch selects whether a tekmar Outdoor Sen

© 2008 D 264 - 12/08 24 of 32 Fixed Last / OffThe Fixed Last / Off DIP switch selects whether or not the last boiler is to be included in the rot

25 of 32 © 2008 D 264 - 12/08View Menu (1 of 1) Outdoor - Current outdoor air temperature as measured by the outdoor sensor.-67 to 149°F

© 2008 D 264 - 12/08 26 of 32 Adjust Menu (1 of 4)Display Description RangeSectionInstallerAdvancedActualSettingD1Room Occupied - The desired roo

27 of 32 © 2008 D 264 - 12/08Adjust Menu (2 of 4)Display Description RangeSectionInstallerAdvancedActualSettingD1Terminal Unit - The type

© 2008 D 264 - 12/08 28 of 32 Adjust Menu (3 of 4)Display Description RangeSectionInstallerAdvancedActualSettingB1Staging - Selects the firing se

29 of 32 © 2008 D 264 - 12/08Adjust Menu (4 of 4)Display Description RangeSectionInstallerAdvancedActualSettingD1WWSD UnOccupied The syst

3 of 32 © 2008 D 264 - 12/08Boiler DemandDHW / Setpoint DemandWWSDPriority OverrideExternal Input SignalOffsetMenu FieldDisplays thecurre

© 2008 D 264 - 12/08 30 of 32 Step 1 The primary pump is turned on and remains on for the entire test routine.Step 2 If the Alarm / C.A. DIP s

31 of 32 © 2008 D 264 - 12/08The control was unable to read a piece of information stored in its memory. Because of this, the control was

32 of 32Product design, software and literature are Copyright © 2008 by:tekmar Control Systems Ltd. and tekmar Control Systems, Inc.All specificatio

© 2008 D 264 - 12/08 4 of 32 Section AGeneralOperationPage 4 - 6Section BStagingOperationPage 6 - 8Section CPumpOperationPage 8 - 9Section DBoile

5 of 32 © 2008 D 264 - 12/08COMBUSTION AIR OR ALARM CONTACTThe control has an isolated contact that can be used as either a combustion ai

© 2008 D 264 - 12/08 6 of 32 EXERCISINGThe control has a built-in exercising feature that is selected through the Exercise / Off DIP switch. To e

7 of 32 © 2008 D 264 - 12/08LO / HI OR LO / LOWhen using multi-stage boilers, a selection must be made regarding the staging order of the

© 2008 D 264 - 12/08 8 of 32 Hi (3)The Hi setting is selected if the boiler(s) that is used has a high thermal mass. This means that the boiler(s

9 of 32 © 2008 D 264 - 12/08BOILER PUMP OPERATIONIn certain modes of operation, the control can operate the individual boiler pumps on ea