CBi electric QAT-TRDM Assembly instructions

low voltage
3990A640 REV C
OCT 2019
QAT Guide
Page 1
Auxiliary Products
QAT-TRDM – ELECTRONIC TIME SWITCH
Installation and Programming Guide
Technical Data
Parameter Specication
Supply Voltage 230 VRMS 50 Hz, 1Ph
Maximum Load Resistive (Geysers, under oor heating, lights) 21 A
Inductive (Pool pump, air conditioners) 10 A
Contact Endurance 20 000 (minimum) Operations
Degree of Ingress Protection (When installed in distribution panel) IP40 (not waterproofed)
Operating Temperature -20 °C to +55 °C
Single Segment Period 15 min.
Maximum Period for all Segments 96 x 15 min. Segments
Clock Accuracy ± 3 min. per month
Time Retention (Power Outage) 24 h
Figure 1: DB wiring Figure 2: Stand alone wiring Figure 3: Wiring a contactor for
loads greater than 21 A resistive or
10 A inductive
Load
L1
Time
Switch
NL
Contactor
L
L2 L3 N
T1 NT2T3
Supply
Coil
The programmable time switch can be used to automatically control pool pumps,lights,
geysers, etc.
General
Important Notes
1. During a power failure, the symbol is displayed and the time switch enters
standby. After a few hours, the display will turn off completely.
2. The time switch has a backup power feature which requires 1 hour to charge.
3. In the event of a power failure, a fully charged time switch will keep time for up to
24 hours.
The programmed schedule is always retained.
4. CBIadvisesthatthetimeswitchbeinstalledbyasuitablyqualiedelectrician.
Installation
1. Isolate supply power before installing time switch.
2. Install the time switch on either mini rail or DIN rail (remove the escutcheon adapter for DIN).
3. Connect the time switch according to Figure 1 or Figure 2. Use a suitable contactor (Figure 3) if necessary to switch higher
current. Strictly obey markings for Line and Neutral poles.
4. Apply power and set the time and desired program schedule.
Load
Time
Switch
L
NL
N
Supply
Neutral
Bar
Load
Time
Switch
L
NL
N
Supply

A member of the Group
SOUTH AFRICA
CBI-electric: low voltage
Tripswitch Drive Elandsfontein
Gauteng South Africa
Tel: [phone]
Fax: + 27 11 392 2354
Email: [email protected]
Website: www.cbi-lowvoltage.co.za
3990A640 REV C
OCT 2019
QAT Guide
Page 2
Please review our CustomerTerms and Conditions on www.cbi-lowvoltage.co.za
All rights reserved. Unless otherwise indicated, all materials on these pages are copyrighted by CBI (Pty) Ltd. No part of these pages, either text or image
maybeusedforanypurposeotherthanpersonaluse.Therefore,reproduction,modication,storageinaretrievalsystemorretransmission,inanyform
or by any means,electronic, mechanical or otherwise, for reasons other than personal use, is strictly prohibited without prior written permission.CBI (Pty)
Ltd reserves the right to alter any details of this document without notice and while every effort is made to ensure the accuracy of the content,no warranty
is given as to accuracy of this document and no responsibility will be accepted for error or misinterpretation and any resulting loss.
C. Setting the program schedule
Decide now what times the load should be on.
Example: hot water geyser on from 05:30
to 07:00.
C.1. From the Home screen, go via Clock
Set and then to Program by pressing
FUNCTION. is displayed. The
programming starts at 00:00 (midnight).
A program schedule is built up in
15-minute segments, by pressing OFF when
the load must be off and ON when the load
must be on.
C.2. Example (continued):
The geyser must be off until 05:30,
therefore repeatedly press (or hold)
OFF until 05:30 is displayed.
C.3. The geyser must be on until 07:00,
therefore repeatedly press (or hold)
ON until 07:00 is displayed.
You may repeat steps C.2 and C.3 for
additional schedules e.g. geyser also off until
18:15 and on until 21:00.
Made a mistake? Hold OFF to erase all (or some) segments and start over with step C.2.
C.4. Press and hold FUNCTION to store the new program and return to Home.
Programming Instructions
TOUCH BUTTONS Usetheeshofyourindexngerontouchsensitiveareas.
LONG PRESS Press and hold the named touch button for 2 seconds.
A. Home screen
On this screen, the timer is operating according to programmed schedule. The
home screen displays the current time. The present switch status is indicated as
ON or OFF. From here you can enter setup functions (See B and C) or go to
manual mode (See D).
B. Setting the clock
1. From the Home screen, press and hold FUNCTION until
is displayed.
FUNCTION doesn’t work? First exit the feature.
2. Use the HOUR and MINUTE buttons to set the clock to
the current time of day in 24-hour format.
3. Press and hold FUNCTION to store the time and go to Program.
Adjust clock using HOUR / MIN
B. 2 SET CLOCK
Turn 15min segments on/off using ON / OFF: Step C.2: Press
OFF to set off period. The time increments 15 minutes at a time.
Step C.3: Press ON to set on period. The time increments.
The on-period is graphically shown with segments around the clock.
C. PROGRAM
FUNCTION
LONG PRESS
FUNCTION
LONG PRESS
FUNCTION
LONG PRESS
HOME D.2 BYPASS
Control with ON
/ OFF LONG PRESS
D.1
D.3
BYPASS
LONG PRESS
D. Manually bypass the program schedule (Optional)
The timer has a full manual control feature to override the program.
Example: keep the geyser switched on for the weekend.
1. From home screen, press BYPASS until isashing.
2. Control the load as desired with a long press ON / OFF. The time
switch will remain in this condition, until you
exit Bypass.
To return to normal time switch operation, exit Bypass:
3. Long press BYPASS to return to Home. The indicator
disappears.
Default screen. Displays clock and
ON / OFF status.
A. HOME