10K Temperature
Simulator 002
Date
S/N
Do not apply power to any terminals
°F
°F
140
150
170
190
210
110
130
80
230
95
32
50
60
70
80
-10
10
-45
90
-40
40
55
65
70
75
32
35
27
85
45
Blue Dial (Wiring)
The blue dial temperature settings have been selected to be repre-
sentative of outdoor air temperatures. The two blue wires running from
the simulator are typically connected to the input terminals of the
outdoor sensor of a tekmar control (see figure 3).
Red Dial (Wiring)
The red dial temperature settings have been selected to be repre-
sentative of boiler supply temperatures. The two red wires running
from the simulator are typically connected to the input terminals of the
supply sensor of a tekmar control (see figure 3).
Yellow Dial (Wiring)
The yellow dial temperature settings have been selected to be
representative of indoor feedback readings. The two yellow wires
running from the simulator are typically connected to the 10K Sen
input terminals of a tekmar control.
- Data Brochure
10K Temperature Simulator
09/94
D 002
The tekmar 10K Temperature Simulator 002 can be used to test any tekmar control using 10K thermistor
sensors. With this simulator, checking control operation on a counter or in a boiler room is a simple process.
The simulator is also ideal for use at trade shows or product training schools to demonstrate the features and
operation of various tekmar controls. Up to three different sensors can be individually simulated using the
three separate rotary switches. The simulator is designed to provide sensor resistance values for a 10kΩ
@ 77°F (25°C ± 0.2°C), ß=3892,
NTC thermistor. Other controls
that use thermistor sensors with
a different resistance curve can-
not be tested correctly with this
simulator. (This includes all older
tekmar controls with 2K sensor
inputs.)
10K Temperature
Simulator 002
Date
S/N
Do not apply power to any terminals
Wire To
Control
Being
Tested
°F
°F
140
150
170
190
210
110
130
80
230
95
32
50
60
70
80
-10
10
-45
90
-40
40
55
65
70
75
32
35
27
85
45
After connecting up the simulator and applying power to
the control being tested, simulation can begin. Using the
data brochure for the control being tested, select tem-
peratures from the simulator to verify the operation of the
control.
As an example, Figure 3 shows a One Stage Boiler
Control 250 being tested. The following are typical
features you can test with the simulator — WWSD, Boiler
Minimum, Boiler Differential and Heating Curve. Some
calculations may be required to determine if correct con-
trol operation is taking place.
Note: Understanding the operation of the control
being tested is required to ensure correct conclu-
sions are made. Do not apply power to the simulator
as damage to the simulator may result.
Sequence of Operation
Installation
In North America: tekmar Control Systems Ltd., Canada
tekmar Control Systems, Inc., U.S.A.
Head office: 4611 - 23rd Street
Vernon, B.C. Canada V1T 4K7
Tel. (604) 545-7749 Fax. (604) 545-0650
Product design and literature are Copyright © 1994 by:
tekmar Control Systems Ltd. and tekmar Control Systems, Inc.
All specifications are subject to change without notice.
Printed in Canada on recycled paper.
Using the tekmar 10K Temperature Simulator to test
the operation of a Boiler Reset control.
For Aux.
10K Input
(Not used in this example)
10K Temperature
Simulator 002
Date
S/N
Do not apply power to any terminals
55
Heating
Curve
Test
2.0
0.4 3.6
85
70
°F
WWSD
242
Differential
22
Minimum
50 170
11 0
Power
Minimum
One Stage Boiler
Control 250
Boiler On
WWSD
UnOcc
°F °F
1
C
2
R
3
Ht
4
Ht
5
Sw
UnO
6
Sen
Com
7
Sen
Sup
8
Sen
Out
Jumper
Power 24V 2VA
Relay 24V 48VA
Date
S/N
CLASS 2 CIRCUITS ONLY; CC-CU 20 AWG or larger wire, 60°C, 30
H1097
R
E150539
Listed
5T62
R
LR 58223
Enclosed Energy
Management
Equipment
°F
°F
140
150
170
190
210
110
130
80
230
95
32
50
60
70
80
-10
10
-45
90
-40
40
55
65
70
75
32
35
27
85
45
Class II
Transformer
To 120 V ac
Power Source
Figure 3
Temperature #2
Selector (Yellow)
Temperature #3
Selector (Blue)
Temperature #1
Selector (Red)
Wiring for Temperature
Dial #2 (Yellow)
Wiring for Temperature
Dial #1 (Red)
Wiring for Temperature
Dial #3 (Blue)
(4 pages)
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