tekmar 157 Difference Setpoint Control - Manual (Page 2)

© 2010 D 157 - 06/10 2 of 16
How to Use the Data Brochure
Table of Contents
This brochure is organized into three main sections.
They are: 1) Sequence of Operation, 2) Installation, and
3) Control Settings
The Control Settings section of this brochure describes
the various items that are adjusted and displayed by the
control. The control functions of each adjustable item are
described in the Sequence of Operation.
User Interface ............................................................... 2
Display .......................................................................... 3
Symbol Description ....................................................... 3
Sequence of Operation ................................................. 4
Section A: General ................................................... 4
Section B: Modes of Operation ................................ 4
Section C: Targets and Differentials ......................... 5
Section D: Control Features ..................................... 6
Section E: Energy Calculation .................................. 7
Installation .................................................................... 8
Control Settings ......................................................... 10
DIP Switch Settings ................................................ 10
VIEW Menu ............................................................ 11
ADJUST Menu ....................................................... 12
Test Routine................................................................ 14
Error Messages .......................................................... 15
Technical Data ............................................................ 16
Limited Warranty ....................................................... 16
The 157 uses a Liquid Crystal Display (LCD) as the method
of supplying information. Use the LCD in order to set up
and monitor the operation of your system. The 157 has
three push buttons (Item, ▲, ▼) for selecting, viewing, and
adjusting settings. When programming the control, record
settings in the Adjust menu table which is found in the
second half of this brochure.
Item
The selected item will be displayed using the segments
available in the screen. To view the next available item,
press and release the Item button. Once you have reached
the last available item, pressing and releasing the Item
button will return the display to the first item.
Adjust
To make an adjustment to a setting in the control, press
and hold simultaneously for 1 second all three (3) buttons.
The display will then show the word ADJUST in the top left
corner. Select the desired item using the Item button. Finally,
use the ▲ or ▼ button to make the adjustment.
User Interface
Item
Item