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Tekmar D 270 Скачать руководство пользователя страница 1

- Data Brochure

Boiler Control 270

D 270

08/10

1 of 24

© 2010 D 270 - 08/10

The tekmar Boiler Control 270 can control the supply water temperature from a single modulating boiler based on outdoor temperature
or domestic hot water requirements. A large easy to read display provides current system temperatures and operating status.

Additional functions include:

Input

Universal Sensor

Included

Input

Indoor Sensor

Optional

Input

Outdoor

Sensor

Included

Input

Boiler

Demand

Input

DHW

Demand

Output

Primary

Pump

Input

115 V (ac)

Power Supply

Output

DHW Pump or

DHW Valve

Output

Boiler

Output

Pump

OR

Input

tekmar

Timer

M

1

Boil

Dem

2

Com
Dem

3

DHW

Dem

Prim

P1

4 5

N

L

6

Power

7 8

9 10

11

+

--

12 13 14 15 16 17 18

Mod V(dc)

Out Com Indr

UnO Boil

Com

Sw

Boiler Control 270

One Modulating Boiler & DHW

Boiler

Pmp P2

DHW

Pmp/Vlv

H2039A

Menu

Item

Boiler Demand
DHW Demand

Modulation
DHW Priority Override

Test

oﬀ

not testing

red

testing

red

testing paused

Made in Canada by

tekmar Control Systems Ltd.

tektra 969-03

Power

115 V ±10% 50/60 Hz 600 VA

Relays

230 V (ac) 5 A 1/3 hp, pilot duty 240 VA

Demands

20 to 260 V (ac) 2 VA

Signal wiring must be rated at least 300 V.

For maximum heat
press & hold

Test

button for 3 seconds.

Meets Class B:
Canadian ICES
FCC Part 15

Dat

e Code

Advanced

Oﬀ

Installer

Exercise

Do not apply power

• Outdoor

Reset

• Installer and Advanced access levels
• Primary

pump

output

• Pump

exercising

• Pump

purging

• Boiler demand for space heating loads

•  DHW demand for domestic hot water loads
•  Optional indoor sensor for room air temperature control
•  Test sequence to ensure proper component operation
•  Setback input for energy savings
•  CSA C US certified

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Содержание D 270

Страница 1: ...Indr UnO Boil Com Sw Boiler Control 270 One Modulating Boiler DHW Boiler Pmp P2 DHW Pmp Vlv H2039A Menu Item Boiler Demand DHW Demand Modulation DHW Priority Override Test o not testing red testing r...

Страница 2: ...sh buttons Menu Item for selecting and adjusting settings As you program your control record your settings in the ADJUST menu table which is found in the second half of this brochure Menu All of the i...

Страница 3: ...gs Burner Displays when Relay 1 is turned on Warning Displays when an error exists or when a limit has been reached Pump Displays when the primary or boiler pump is operating Lock Unlock Displays when...

Страница 4: ...m The supply water temperature is based on outdoor reset or a fixed temperature for DHW Outdoor Reset When a boiler demand signal from the heating system is present the control operates the boiler s t...

Страница 5: ...calculates a boiler target temperature that is below the Boiler Minimum setting the boiler target temperature is adjusted to at least the Boiler Minimum setting During this condition if the boiler is...

Страница 6: ...ut signal range of the 270 control The Minimum Modulation setting limits the control output range in order to match the boiler s input range To calculate the Minimum Modulation use the following formu...

Страница 7: ...residential cast iron boilers or steel tube boilers The Med Mass setting provides a moderate response to the heating system Hi 3 The Hi setting is selected if the boiler that is used has a high therm...

Страница 8: ...of time that the primary pump continues to run is adjustable using the Primary Pump Purge setting The primary pump continues to run until either the purging time has elapsed or the boiler supply temp...

Страница 9: ...ight periods INDOOR SENSOR With the indoor sensor connected the control is able to sense the actual room temperature Indoor temperature feedback fine tunes the supply water temperature in the heating...

Страница 10: ...on the WWSD pointer in the display When the control is in WWSD the Boiler Demand pointer is displayed if there is a boiler demand However the control does not operate the heating system to satisfy thi...

Страница 11: ...contact is opened until the heating system has recovered before returning to DHW operation This mode can be used if a DHW tank is piped in direct return and a DHW valve is installed DHW MODE 4 Extern...

Страница 12: ...heat from the boiler into the DHW tank The control continues this purge for a maximum of four minutes or until the boiler supply water temperature drops 20 F 11 C below the boiler target temperature d...

Страница 13: ...or Sensor 070 One Universal Sensor 082 Data Brochures D 270 D 070 D 001 Application Brochure A 270 Note Carefully read the details of the Sequence of Operation to ensure that you have chosen the prope...

Страница 14: ...power supply must be used to power both the DHW Demand and the Boiler Demand circuits since they both share the Com Dem terminal Output Connections Primary Pump Contact Prim P1 The Prim P1 output term...

Страница 15: ...When these two terminals are shorted together the control registers an unoccupied UNOCC signal Connection to Operate Modulating Boiler 11 12 Mod V dc V dc STEP FIVE TESTING THE WIRING General Each ter...

Страница 16: ...e wiring between the terminal block and pump and refer to any installation or troubleshooting information supplied with the pump If the pump operates properly disconnect the power and remove the jumpe...

Страница 17: ...oth with water and wring out prior to wiping control Do not use solvents or cleaning solutions DIP Switch Settings GENERAL The DIP switch settings on the control are very important and should be set t...

Страница 18: ...measured by the boiler supply sensor 22 to 266 F 30 to 130 C Boiler Target Boiler target temperature is the temperature the control is currently trying to maintain at the boiler supply sensor of the...

Страница 19: ...F 82 C B1 Boiler Minimum The minimum allowed boiler target temperature Check the boiler manufacturer s manual for a recommended setting OFF 80 to 180 F OFF 27 to 82 C Default 140 F 60 C B1 Boiler Maxi...

Страница 20: ...C Default 180 F 82 C DHW Exchange Unoccupied Selects whether or not a DHW demand will be responded to during the UnOccupied period OFF On Default OFF WWSD Occupied The system s warm weather shut down...

Страница 21: ...essed again to advance to the next step This can also be used to rapidly advance through the test sequence To reach the desired step repeatedly press and release the Test button until the appropriate...

Страница 22: ...ystem start up in order to purge air from the piping To enable the Max Heat feature use the following procedure 1 Press and hold the Test button for more than 3 seconds At this point the control flash...

Страница 23: ...to read the boiler supply sensor due to a short circuit The control will not operate the boiler until the sensor is repaired Locate and repair the problem as described in the Data Brochure D 070 To cl...

Страница 24: ...AND FITNESS FOR A PARTICULAR PURPOSE DURA BILITY OR DESCRIPTION OF THE PRODUCT ITS NON INFRINGEMENT OF ANY RELEVANT PATENTS OR TRADEMARKS AND ITS COMPLIANCE WITH OR NON VIOLATION OF ANY APPLICABLE EN...

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