Page 36 Appendix B: Greenbrook T205-C Fused Timer Spur Switch
APPENDIX B GREENBROOK T205-C FUSED TIMER
SPUR SWITCH
B.1 GENERAL INFORMATION
Grant QR pre-plumbed indirect heat pump cylinders are supplied
with a Greenbrook T205-C timer factory tted, to control the
operation of the immersion heater for anti-legionella purposes.
Please refer to Grant UK DOC 0136 for detailed information on
anti-legionella regimes.
Please refer to Section B.3 and Section 5 of these instructions for
wiring details.
B.1.1 TECHNICAL INFORMATION
Make and model
Greenbrook -
T205-C
Display LCD
Working voltage 230V - 50Hz
Rated impulse voltage 2500V
Operating temperature -5°C to +40°C
Operation Integrated control
Max load:
Resistive
Inductive
13 Amps
6 Amps
Isolation switch Double pole isolation
Conforms to BS 1363-4:1995+A4:2012,
BS EN 60730-1:2011,
BS EN 60730-2-7:2010.
Working environment Indoor use only
Pollution degree 2
B.2 OPERATING INSTRUCTIONS
‘ON’ indicator
light
Program
Button
‘+’
Button
Reset
Button
Time
Button
‘ - ’
Button
Entry
Double Pole
Isolation Switch
Fuse
Holder
Figure B-1: Greenbrook T205-C Fused Timer Spur Switch
B.2.1 RESET THE DEVICE
1. To fully reset this unit press the recessed ‘Reset’ button with
an insulated probe (see Figure B-1).
2. A full display will show when the battery is charged, then
revert to the default screen (- - : - -). No display indicates that
the battery requires charging for a minimum 3 hour period.
See Figure B-2 for a representation of the screen’s “full
display”.
Figure B-2: Full display
B.2.2 SETTING THE DAY OF WEEK AND TIME
! NOTE !
Time setting is 24 hour mode.
1. Press the ‘Time’ button for 2 seconds. (See Figure B-1). The
day of the week will start ashing (see Figure B-3).
Figure B-3: Setting day of the week
2. Use the ‘+’ or ‘-’ button to change the display to the correct
day of the week.
3. Press the ‘Time’ button (see Figure B-1) and the hour digits
will ash (see Figure B-4).
Figure B-4: Setting time of day (hours)
4. Use the ‘+’ or ‘-’ buttons to set the hours.
5. Press the ‘Time’ button (see Figure B-1) and the minutes will
ash (see Figure B-5).
Figure B-5: Setting time of day (minutes)
6. Use the ‘+’ or ‘-’ buttons to set the minutes.
7. Press the ‘Time’ button to save the setting and return to
operating mode.
! NOTE !
If ‘+’ or ‘-’ button is held for more than 2 seconds, the
selected time digit will add or decrease quickly (about 5
steps per second), if no key is pressed within 60 seconds
the display will return to operating mode.
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