Tekmar 274 Boiler Control Manual do Utilizador

274_D 11/12- Data BrochureBoiler Control 274 1 of 44 © 2012 274_D - 11/12The Boiler Control 274 operates up to four on/off boilers to provide o

© 2012 274_D - 11/12 10 of 44 DHW Differential Setting in Adjust MenuDue to large differences between the heating load and the DHW load, a separa

11 of 44 © 2012 274_D - 11/12Mode 3 - DHW in Primary/Secondary with No PriorityWhen a valid DHW Demand is present, the DHW relay (termina

© 2012 274_D - 11/12 12 of 44 DHW Priority Override Setting in Adjust MenuDHW Priority Override applies to DHW MODE 2 and 4, as well as Mode 5 if

13 of 44 © 2012 274_D - 11/12Setpoint Operation Section FSetpoint operation is only available when DHW Mode is set to Off. The control c

© 2012 274_D - 11/12 14 of 44 Mode 3 - Setpoint in Primary/Secondary with No PriorityWhenever a Setpoint Demand is present, the primary pump is t

15 of 44 © 2012 274_D - 11/12Energy Management System (EMS) Section GThe control can accept an external DC signal from an Energy Management S

© 2012 274_D - 11/12 16 of 44 Pump Operation Section HPrimary Pump OperationThe control includes two primary pump outputs with capability for se

17 of 44 © 2012 274_D - 11/12Flow Proof Delay Setting in Adjust MenuThe control waits a period of time to receive a flow proof demand fro

© 2012 274_D - 11/12 18 of 44 Setting the Schedule Section KTo provide greater energy savings, you can operate the control on a programmable sch

19 of 44 © 2012 274_D - 11/12If the building is not up to temperature at the correct time, the BOOST setting should be lengthened and the

© 2012 274_D - 11/12 2 of 44 How to Use the Data BrochureTable of Contents This brochure is organized into three main sections.They are: 1) Sequ

© 2012 274_D - 11/12 20 of 44 InstallationStep One — Getting Ready CautionImproper installation and operation of this control could result in dam

21 of 44 © 2012 274_D - 11/12Boiler Demand To generate a Boiler Demand, a voltage between 20 V (ac) and 260 V (ac) must be applied across

© 2012 274_D - 11/12 22 of 44 Outdoor Sensor (tekmar 070)Connect the two wires from the Outdoor Sensor 070 to the Com and Out (2 and 3) terminals

23 of 44 © 2012 274_D - 11/12Wiring the Boiler Pumps (RELAY TYPE = Boiler pump )Terminals 7-8, 9-10, 11-12 and 13-14 are dry contacts. No powe

© 2012 274_D - 11/12 24 of 44 Testing tekmar Sensors Terminals 2 – 6 To test the sensors, the actual temperature at each sensor location must be

25 of 44 © 2012 274_D - 11/12Testing the Demands Terminals 21 – 25 1. Remove the front and bottom cover from the control.2. Use an electrica

© 2012 274_D - 11/12 26 of 44 Rotate / OffUse the Rotate / Off DIP switch to enable the Equal Run Time Rotation feature. This feature Changes the

27 of 44 © 2012 274_D - 11/12Display MenusView Menu (1 of 2) Item Field RangeAccessDescriptionVIEW-76 to 149°F(-60.0 to 65.0°C)USERINSTADVOUTD

© 2012 274_D - 11/12 28 of 44 Item Field RangeAccessDescriptionVIEW2hr0 to 9999 hoursADVBOILER 2 RUNNING TIME SECTION C The total running time of

29 of 44 © 2012 274_D - 11/12Item Field Range Access Description Actual SettingADJUST1 (4 On/Off)2 (2 On/Off & Pumps)3 (2 Lo/Hi)4 (Lo/Hi &

3 of 44 © 2012 274_D - 11/12DisplayPRIMARY PUMPDisplays when primary pump 1 or primary pump 2 is in operation BOILERDisplays which boiler stag

© 2012 274_D - 11/12 30 of 44 Item Field Range Access Description Actual SettingADJUST 3CP1, Au (Auto), OFFDefault = AuINSTADVBOILER 2 SECTION C

31 of 44 © 2012 274_D - 11/12Item Field Range Access Description Actual SettingADJUSTAu (Auto), 2 to 42°F (Au, 1 to 23.5°C) Default = AuADVBOI

© 2012 274_D - 11/12 32 of 44 Item Field Range Access Description Actual SettingADJUSTLo, Med, HiDefault = MedINSTADVBOILER 1 MASS SECTION CThe t

33 of 44 © 2012 274_D - 11/12Item Field Range Access Description Actual SettingADJUST1 to 42°F (0.5 to 23.5°C) Default = 6°F (3.0°C)ADVDHW DIF

© 2012 274_D - 11/12 34 of 44 Item Field Range Access Description Actual SettingADJUSTOFF, OnDefault = OnADVZONE LOAD SHEDDING SECTION MSelects w

35 of 44 © 2012 274_D - 11/12TIME MENUItem Field RangeAccessDescriptionTIMEAMDefault = MONDAY12:00 AMUSERINSTADVCURRENT TIME AND DAY SE

© 2012 274_D - 11/12 36 of 44 Item Field RangeAccessDescriptionTIME2000 ... 2255Default = 2005INSTADVYEAR SECTION JSet the current year.Note: T

37 of 44 © 2012 274_D - 11/12Item Field RangeAccessDescriptionSCHDAMWake UnOccSleep– –:– – to 11:50 PMor– –:– – to 23:50USERINSTADVALL DAYS OF

© 2012 274_D - 11/12 38 of 44 Item Field RangeAccessDescriptionSCHDAMWake UnOccSleep– –:– – to 11:50 PMor– –:– – to 23:50USERINSTADVMONDAY SECTIO

39 of 44 © 2012 274_D - 11/12Item Field RangeAccessDescriptionMISCUSER,INST, ADVDefault = INSTUSERINSTADVACCESS LEVEL PAGE 4The access le

© 2012 274_D - 11/12 4 of 44 Once the control receives a boiler demand it calculates a target water temperature based on the characterized heatin

© 2012 274_D - 11/12 40 of 44 Testing the ControlTe stPress and Hold for 1 secondThe control has a built-in test routine that tests the main cont

41 of 44 © 2012 274_D - 11/12To Enable Zone Test:1. Press and hold the Test button for more than 6 seconds. The control displays ZONE TEST O

© 2012 274_D - 11/12 42 of 44 Error Message DescriptionVIEWSCHEDULE MASTER ERRORMore than one tN4 device has been assigned the same master number

43 of 44 © 2012 274_D - 11/12Error Messages (3 of 3) Error Message DescriptionVIEWPRIMARY PUMP P1 & P2 FAILUREBoth the primary pump P1 and

Product design, software and literature are Copyright ©2012 by tekmar Control Systems Ltd., A Watts Water Technologies Company44 of 44All specificatio

5 of 44 © 2012 274_D - 11/12Terminal Unit Setting in Adjust MenuSelect the appropriate terminal unit in the adjust menu. This will change the

© 2012 274_D - 11/12 6 of 44 Outdoor Design Setting in Adjust Menu The outdoor design temperature is typically the coldest outdoor air temperatu

7 of 44 © 2012 274_D - 11/12Boiler Minimum Setting in Adjust MenuThe boiler minimum is the lowest temperature that the control is allowed to u

© 2012 274_D - 11/12 8 of 44 Relay Setting in Adjust Menu (C.A. Damper / Alert)The control includes an auxiliary relay that can be used either fo

9 of 44 © 2012 274_D - 11/12Domestic Hot Water Operation Section EDHW operation is only available when the Pump Sequencer DIP Switch is set t