Twite Instruments MultiScan TD-32-MT User manual
INSTRUMENTS
MultiScan
OPERATING MANUAL
MODEL TD-32-MT
INSTRUMENTS
PUSH FOR
SETTING
SELECTING
ENTER
UP/DOWN
AUSTRALIAN MADE
TD-32 SERIES
Lq=| Suc=| F=| Def=O
Contrl Tmp +22.1 oC
Set Point +18.0 oC
Set Point Number 4
2
TWITE INSTRUMENTS MultiScan MODEL TD-32-MT OPERATING MANUAL
© Copyright 2007 Twite Instruments (REC & BJ Twite). All rights reserved.
No part of this publication may be reproduced, translated into another language,
stored in a retrieval system, or transmitted, in any form or by any means, electronic,
mechanical, photocopying, or otherwise without the prior written consent of
TWITE INSTRUMENTS (REC & BJ Twite).
Every precaution has been taken in the preparation of this publication.
TWITE INSTRUMENTS assumes no responsibility for errors or omissions. Nei-
ther is any liability assumed for damages resulting from the use of the information
contained herein.
with this unit are subject to change without notice.
Twite Instruments (REC & BJ Twite). or any of its Partners, Principals or Employees
cannot be held responsible or liable for any loss of product, produce or buildings
where any of Twite Instruments (REC & BJ Twite). Products are found to be respon-
sible for the loss of any product, produce or buildings.
TWITE INSTRUMENTS (REC & BJ Twite).®
A.C.N. 050 199 758
A.B.N. 41 050 199 758
TWITE INSTRUMENTS MultiScan MODEL TD-32-MT OPERATING MANUAL
Contents
Terminal Numbers and Position 8
MultiScan positioning and Mounting 9
TWITE INSTRUMENTS MultiScan MODEL TD-32-MT OPERATING MANUAL
Contents
TWITE INSTRUMENTS MultiScan MODEL TD-32-MT OPERATING MANUAL
Contents
TWITE INSTRUMENTS MultiScan MODEL TD-32-MT OPERATING MANUAL
Contents
71 "Compressor Min % Run" 87
72 "Comp Proportional Ct" 88
77 "Condenser Set Point" 89
80 "Condenser Unload Tme" 90
82 "Condenser Min % Run" 91
87 "Type of refrigerant" 92
7
TWITE INSTRUMENTS MultiScan MODEL TD-32-MT OPERATING MANUAL
INSTALLATION :-
INSTRUMENTS
PUSH FOR
SETTING
SELECTING
ENTER
UP/DOWN
AUSTRALIAN MADE
TD-32 SERIES
Lq=| Suc=| F=| Def=O
Contrl Tmp +22.1 oC
Set Point +18.0 oC
Set Point Number 4
160mm
5 x 15mm
5 x 15mm 5 x 15mm
90mm
Height 80mm
8
TWITE INSTRUMENTS MultiScan MODEL TD-32-MT OPERATING MANUAL
INSTALLATION :-
INSTRUMENTS
PUSH FOR
SETTING
SELECTING
ENTER
UP/DOWN
AUSTRALIAN MADE
TD-32 SERIES
Lq=| Suc=| F=| Def=O
Contrl Tmp +22.1 oC
Set Point +18.0 oC
Set Point Number 4
7
4
1
8
5
2
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
R1
35
R2
36
R3
37
R4
42
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46
55
43
52
47
56
44
53
48
57
45
54
49
58
50
59
60
61
62
63
64
65
X50
EXPANSION
6
3
R5
R6
R8
R7
9
TWITE INSTRUMENTS MultiScan MODEL TD-32-MT OPERATING MANUAL
INSTALLATION :-
The unit should be mounted at a level for easy viewing and access to setting knob,
in a dry area and not in direct sunlight and not subject to any vibration.
The unit must be mounted as far away from contactors, switching motors, sole-
noids etc. as possible and if possible mount the unit within its own cabinet.
NOTE:- If more than one MultiScan is connected to the same 24v dc power sup-
ply, all terminals numbered 2 must be connected to the same side of the 24v dc
(ground) and all terminals numbered 3 must be connected to the other side of the
24v dc (positive).
The power supply that is used must be used for the MultiScan only (not connect-
ed to any other units) and the cable must not run near or with any control cables.
The power supply cables must be kept away from any control cables that are
connected to the relay control outputs, also sensor and transducer cables must be
kept away from the control cables.
NOTE:-Terminal 1 and 2 are connected together on the circuit board.
NOTE:- The power supply for the unit should be left on at all times to conserve
Replacement later in this manual to change the battery.
INSTRUMENTS
1
2
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58
59
60
61
62
63
64
65
3
GROUND
24V DC NEGATIVE
24V DC POSITIVE
X50
10
TWITE INSTRUMENTS MultiScan MODEL TD-32-MT OPERATING MANUAL
INSTALLATION CONT.
the terminal Block
Terminal No.
22 - The Active common input.
27 - Room defrost output.
28 - Room fans contactor output.
29 - Room suction solenoid output.
stage 1 (compressor motor run) output.
PUSH FOR
SETTING
SELECTING
ENTER
UP/DOWN
AUSTRALIAN MADE
TD-32 SERIES
22
ROOM LIQUID
ROOM SUCTION
ROOM FANS
ROOM DEFROST
COMP MOTOR RUN-COND STAGE 1
COMP STAGE 2
COMP STAGE 3
COND STAGE 2
COND STAGE 3
COMP OIL RETURN
COMP STAGE 4 OR EQU-SOL
COMMON FOR ALL OUTPUTS
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
EXPANSION
11
TWITE INSTRUMENTS MultiScan MODEL TD-32-MT OPERATING MANUAL
INSTALLATION CONT.
the blue wire of the sensor.
-
age or damage will occur.
Sensors may be calibrated by the end user. See later for calibrating sensors.
Sensor cables must not run parallel or near voltage cables & must be kept well
away from voltage and other control cables, at least 2 meters.
Terminal No.
Any sensor may be used for control of the room and if more than one sensor is used
for room control, the average of all sensors used will be used as the control tempera-
ture.
Any sensor may be used for control of the compressor and or condenser (if control-
led on temperature and not pressure) and if more than one sensor is used for control,
the average of all sensors used will be used as the control temperature for the com-
pressor and or condenser.
12
TWITE INSTRUMENTS MultiScan MODEL TD-32-MT OPERATING MANUAL
INSTALLATION CONT.
PROBE 316 SS
40 X 6 MM
PROBE
PLASTIC SHEATH
40 X 6 MM APPROX.
CABLE, 1 METER
CABLE, 1 METER
WHITE, POSITIVE TERM 48
WHITE, POSITIVE TERM 48
BLUE, SIGNAL TERM 49
BLUE, SIGNAL TERM 49
SHIELD GROUND TERM 50
SHIELD GROUND TERM 50
Types of sensors Available
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
42
46
43
47
44
48
45
49
50
+ POSITIVE--WHITE WIRE
SIGNAL--BLUE WIRE
SHIELD--GROUND
R1
R2
R3
R4
R5
R6
R8
R7
TWITE INSTRUMENTS MultiScan MODEL TD-32-MT OPERATING MANUAL
INSTALLATION CONT.
When the MultiScan is ordered, the type of sensor to be used must be stipulated
Temperature probes that are of the type PT100 (platinum type with a resistance value
The PT100 type must be supplied by the end user and may use only the 2 wire type
allow for this type of sensor to be used.
shielded cable.
must be continuous for the full length.
-
age or damage will occur.
Sensors may be calibrated by the end user. See later for calibrating sensors.
Sensor cables must not run parallel or near voltage cables & must be kept well
away from voltage and other control cables, at least 2 meters
Any sensor may be used for control of the room and if more than one sensor is used
for room control, the average of all sensors used will be used as the control tempera-
ture.
Any sensor may be used for control of the compressor and or condenser (if con-
trolled on temperature and not pressure) and if more than one sensor is used for
control, the average of all sensors used will be used as the control temperature for
the compressor and or condenser.
TWITE INSTRUMENTS MultiScan MODEL TD-32-MT OPERATING MANUAL
INSTALLATION CONT.
Terminal No.
Terminal No.
ALL SENSORS CONNECTED PT100
NOT ALL SENSORS CONNECTED PT100
SHIELD
SENSOR No 1
SENSOR No 2
SENSOR No 3
SENSOR No 4
SENSOR No 5
SENSOR No 6
SENSOR No 7
SHIELD
SENSOR No 1
SENSOR No 2
SENSOR No 4
51
55
52
56
53
57
54
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59
60
61
62
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51
55
52
56
53
57
54
58
59
60
61
62
63
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65
JUMPER
JUMPER
TWITE INSTRUMENTS MultiScan MODEL TD-32-MT OPERATING MANUAL
INSTALLATION CONT.
Default Temperature Sensors used for each Function:
Room control:
Any temperature sensor can be used for room control and can be set by the end user.
If more than one sensor is selected, the average of all sensors that return a valid tem-
perature are averaged and is the temperature used for control.
Core probe temperature:
Any temperature sensor can be used for the core probe & can be set by the end user.
If more than one sensor is selected, the average of all sensors that return a valid tem-
perature are averaged and is the temperature used.
SENSORS CONNECTED AD590
SHIELD
SENSOR No 1
SENSOR No 2
SENSOR No 3
SENSOR No 4
SENSOR No 5
SENSOR No 6
SENSOR No 7
51
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52
56
53
57
54
58
59
60
61
62
63
64
65
not all sensors need to
be connected, if a
sensor is not required,
leave the input
terminal open.
+
-
-
-
-
-
-
-
TWITE INSTRUMENTS MultiScan MODEL TD-32-MT OPERATING MANUAL
INSTALLATION CONT.
Compressor control:
Suction pressure or temperature can be used for compressor control.
If temperature is used, any temperature sensor can be used for control and can be set
by the end user and is used.
If more than one sensor is selected, the average of all sensors that return a valid tem-
perature are averaged and is the temperature used for control.
Condenser control:
Condenser discharge pressure or temperature can be used for condenser control.
input number 7.
If temperature is used, any temperature sensor can be used for control and can be set
by the end user. It should be the discharge temperature.
If more than one sensor is selected, the average of all sensors that return a valid tem-
perature are averaged and is the temperature used for control.
The temperature used for the oil purge temperature is the same as for condenser con-
trol.
Oil probe temperature:
Any temperature sensor can be used for the oil probe and can be set by the end user.
If more than one sensor is selected, the average of all sensors that return a valid tem-
perature are averaged and is the temperature used.
Compressor Suction probe temperature:
Any temperature sensor can be used for the compressor suction probe and can be set
by the end user.
If more than one sensor is selected, the average of all sensors that return a valid tem-
perature are averaged and is the temperature used and used for the super heat calcula-
tion.
17
TWITE INSTRUMENTS MultiScan MODEL TD-32-MT OPERATING MANUAL
INSTALLATION CONT.
MultiScan.
work correctly on this voltage.
The cable from the MultiScan to the transducers must be twisted pair shielded type
The shield must be connected at the MultiScan end only and all connections must be
kept dry and clean.
and each Negative must be connected to its particular input terminal.
The shield must be connected to the shield terminal.
Sensor cables must not run parallel or near high voltage cables & must be kept
well away from high voltage and other control cables, at least 2 meters.
Terminal Inputs for channels 1-4
12 - Shield of each cable.
8 - Negative for Suction Pressure.
11 - Negative for compressor motor current if used.
18
TWITE INSTRUMENTS MultiScan MODEL TD-32-MT OPERATING MANUAL
INSTALLATION CONT.
7
4
8
5
9
10
11
12
42
51
46
55
43
52
47
56
44
53
48
45
54
49
50
6
+12V DC COMMON
+12V DC COMMON
COMPRESSOR CURRENT
SPARE PREESURE 1
SHIELD
SHIELD
- NEGATIVE SUCTION PRESSURE
- NEGATIVE DISCHARGE PRESSURE
- NEGATIVE OIL PRESSURE
- NEGATIVE REFIGERANT DETECT
X50
SPARE PREESURE 2
SPARE PREESURE 3
19
TWITE INSTRUMENTS MultiScan MODEL TD-32-MT OPERATING MANUAL
INSTALLATION CONT.
No voltage is to be applied to any input of the digital inputs.
The distance from the switch (voltage free relay contacts) to switch digital inputs
and above) cables.
Terminal No.
21 - Common for all 8 digital inputs.
20 - Remote RUN input.
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
42
46
43
47
44
48
45
49
50
COMMON
REMOTE RUN
REMOTE OFF
MOTOR AUXILIARY
WATER JACKET
LOW OIL PRESSURE
NOT USED
LOW OIL LEVEL
NOT USED
R1
R2
R3
R4
R5
R6
R8
R7
20
TWITE INSTRUMENTS MultiScan MODEL TD-32-MT OPERATING MANUAL
INSTALLATION CONT.
21 - Common for all 8 digital inputs.
FUNCTION 1 (CONTROL AUTO OR OFF) IS SET TO YES).
automatically to the set points set for temperature and pressure etc. The
down immediately and the compressor and condenser will shut down at
there pump down set point if set with there relevant set points.
This input also causes an alarm after a 10 second delay.
18 - Motor Auxiliary.
is activated while the motor is on. Also an alarm is activated within the
system.
14 - Not Used input.
13 - Not Used input.
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