Tekmar 157 Difference Setpoint Control Uživatelský manuál Strana 1

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1 of 16 © 2010 D 157 - 06/10
D 157
06/10
- Data Brochure
Difference Setpoint Control 157
The Difference Setpoint Control 157 is designed to operate a variable speed pump to transfer heat from a heat source
to a storage tank. Varying the speed of the pump provides fast and accurate temperature control to maintain the target
temperature difference (T). Additional minimum and maximum setpoints turn off the pump when heat transfer is no longer
desirable. Potential applications include using solar collectors or a wood boiler as a heat source.
Additional functions include:
120 V (ac) powered pump outputs
Second On/Off pump with 4 modes of operation
Optional auxiliary sensor input to be used in heat dump and heat supplement modes
Freeze Protection
Displays total amount of energy transfer in BTU or kWh
Certified to CSA and UL standards for use in the USA and Canada
NEW Solar Sensor 085 immersion type sensor included!
Item
VIEW
ΔT
%
1
2
F
Input
Universal Sensor
Optional
Input
Universal Sensor
Included
Input
Solar Sensor
Included
Input
Demand
Signal
Input
24 V (ac)
Power Supply
Input
120 V (ac)
Power Supply
Black
Red
Blue
Green
Output
On/Off
Pump
Output
Variable
Speed Pump
Ground
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Shrnutí obsahu

Strany 1 - - Data Brochure

1 of 16 © 2010 D 157 - 06/10D 15706/10- Data BrochureDifference Setpoint Control 157The Difference Setpoint Control 157 is designed to operate

Strany 2 - Table of Contents

© 2010 D 157 - 06/10 10 of 16 Item%12DIP Switch SettingsControl SettingsDemand: Enable / DisableThe Enable / Disable DIP switch is used to select

Strany 3 - Status Field

11 of 16 © 2010 D 157 - 06/10Item Field Range Description -99 to 300°F(-73 to 149°C)DELTA TCurrent temperature difference between the sou

Strany 4 - Sequence of Operation

© 2010 D 157 - 06/10 12 of 16 Item Field Range Description-30 to 300°F(-34 to 149°C)AUXILIARY MINIMUMMinimum auxiliary temperature since this ite

Strany 5 - MINIMUM SOURCE TARGET

13 of 16 © 2010 D 157 - 06/10Item Field Range Description Actual Setting2 to 45°F(1 to 25°C)Default = 10°F(5.5°C)MAXIMUM STORAGE DIFFEREN

Strany 6 - Section D – Control Features

© 2010 D 157 - 06/10 14 of 16 Item Field Range Description Actual Setting0% to 100%Default = 0%MINIMUM OUTPUT, %Minimum pump speed for the variab

Strany 7

15 of 16 © 2010 D 157 - 06/10Error MessagesEEPROM READ ERRORThe control was unable to read a piece of information from its EEPROM. This e

Strany 8 - Installation

tekmar Control Systems Ltd., Canadatekmar Control Systems, Inc., U.S.A.Head Office: 5100 Silver Star RoadVernon, B.C. Canada V1B 3K4(250) 545-7749 Fax

Strany 9

© 2010 D 157 - 06/10 2 of 16 How to Use the Data BrochureTable of Contents This brochure is organized into three main sections.They are: 1) Sequ

Strany 10 - Control Settings

3 of 16 © 2010 D 157 - 06/10DisplayΔTDelta TDisplays the temperature difference between the source and storage sensors.SOURCESourceDispla

Strany 11 - VIEW MENU

© 2010 D 157 - 06/10 4 of 16 Sequence of OperationSection A – GeneralPowering Up The ControlWhen the Difference Setpoint Control 157 is powered u

Strany 12 - ADJUST MENU

5 of 16 © 2010 D 157 - 06/10Mode 3 Heat Dump is for applications where an alternative heat sink can be utilized when the storage tank and

Strany 13

© 2010 D 157 - 06/10 6 of 16 MAXIMUM STORAGE TARGETIf the storage temperature rises above the maximum storage target, the variable speed pump is

Strany 14

7 of 16 © 2010 D 157 - 06/10MINIMUM OUTPUT, %This item selects the minimum speed the variable speed pump will run in order to avoid unwan

Strany 15 - Error Messages

© 2010 D 157 - 06/10 8 of 16 Improper installation and operation of this control could result in damage to the equipment and possibly even person

Strany 16 - Technical Data

9 of 16 © 2010 D 157 - 06/10Test the Power SupplyMake sure exposed wires and bare terminals are not in contact with other wires or ground

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