Ambirad AMBITEC PLUS User manual

AMBITEC PLUS
ENERGY SAVING ELECTRONIC
CONTROL PANEL

AMBITEC PLUS
Index
General description
Features/screen identification
General setting instructions
Display windows (brief guide)
Display windows (detailed)
Setting passwords
Master slave operation
Relay switching
Technical support/common problems
Interconnect terminal layout/description
10
9
8
7
6
5
4
3
2
1
ENERGY SAVING ELECTRONIC CONTROL PANEL

1
The AmbiTec Plus has been designed to
consolidate the function of all previous
control panels into one unit. All relay
outputs have volt free contracts and by
installing various links within the control
panel virtually all present, past and future
heating units can be controlled by the
AmbiTec Plus control panel. When
replacing older control panels with the
AmbiTec Plus it will be necessary to advise
the Ambi-Rad Technical Department of the
wiring diagram number of the heater in
order to develop an interconnecting
diagram.
The AmbiTec Plus may be used as a
stand-alone panel to control an individual
heater or several panels may be connected
together for multiple heater control using a
two-wire communications link.
Each AmbiTec Plus panel contains a digital
display for monitoring system operation and
a means of setting the various system
parameters by way of panel mounted push
buttons. LED indicators are used to show
Frost Protection and Burner Lockout.
The AmbiTec Plus can be used to control
ON/OFF, two stage and with a GM44
interface board, modulating burners can be
controlled.
The vent output of the unit can be used to
control ON/OFF damper motors or with
positioners mounted on the damper motor
any percentage of fresh air may be set.
Three levels of password protection are
available on the panel for the security of
settings.
2Features/screen identification
1General description
Features
32 Character Alphanumeric display system
operation.
Optional ‘Optimum Start Facility’ with
automatic preheat adjustment.
LED’s indicate frost protection and burner
failure for automatic ignition burner
systems.
Three level password protection against
unauthorised changes.
Stand-alone or multiple system operation is
possible using one AmbiTec Plus per heater
and a two wire communication link.
In built lithium battery for memory
retention is power failure occurs.
Clock includes calendar with automatic leap
year correction. (Year 2000 complaint to BS
DISC2000).
Optional automatic 1 hour clock set
forward/back on user specified dates in the
year.
Optional adjustable frost protection.
Optional holiday off periods.
Adjustable temperature differential between
Heat and Vent.
Adjustable high-fire ignition time.
0 - 5VDC output for GM44 modulation
valve interface board.
Selectable languages.
Screen identification
1 (Black) Button
Overrides an OFF or ON period adjustable
from 0 - 30 minutes.
2(Key) Button
Repeatedly scrolls through the various
screens.
3 & 4 (Black) Buttons
Move across the current screen to select
item for change.
5 & 6 (Black) Buttons
Changes settings selected by button 3 &
4.
7Button
Stores the settings and reverts to the
Standard Display.
8(Red) Button
Resets burner lockout.
9(Lamp)
Burner lockout lamp (Low intensity blink
indicates that the unit is looking for a
lockout condition. A high intensity blink
indicates Burner Lockout)
10 (Lamp)
Frost protection indication (Green).
11 Screen
Shows status and displays for altering
parameters.
Figure 1 AmbiTec Plus
AMBIAMBITECTEC
plus
MODE DAY NIGHT FROST
OVERUN SELECT ENTER LOCKOUT
CC
AMBITEC

2
3General setting instructions 4Display windows (Brief guide)
AMBITEC PLUS ENERGY SAVING ELECTRONIC CONTROL PANEL
The AmbiTec Plus control panel is
programmed with default settings as shown
in the text. All default settings may be
changed within the adjustment ranges of
the windows.
The control panel is shipped with all
password levels set to ‘0000’ and all
adjustments can be made. If three
password levels have been set, pressing the
Select button will prompt the password
request. Without entering a password you
will be able to the windows but no changes
can be made.
Pressing the Select button moves the
display through screens. Pressing the Enter
button will save the program. It is not
necessary to press the Enter button after
each change is made, you make all
necessary changes in any or all windows
and then press the Enter button to save all
changes. When the Enter button is pressed
the window it will revert to the standard
display. If further changes are required it
will be necessary to press the Select button
as many times as necessary to access any
further windows that require changing.
The are used to move through settings
within a window and the are used to
select a value for that setting.
If at any time from pressing the Select
button that a period of 45 seconds elapses
between any button presses, the unit will
save all changes made up to the last screen
and the panel will revert to it’s standard
display. It will then be necessary to press
the Select button to get to any other
screens that required adjustments in their
settings.
Clock on times should be set to the normal
occupancy times regardless if preheat is set
or not.
There are twenty-six different windows available, system parameters may be set in twenty
four of them. The two that are fixed are the normal display and the software batch
identification window.
1. Normal display.
2. Normal display adjust (No default)
3. Advance ON/OFF adjust (No default)
4. Adjust timers (No default)
5. Adjust language (Default = English)
6. Adjust year (Default = 1998)
7. Adjust frost temperature (Default = 4˚C)
8. Adjust heat < > vent differential (Default = 6˚C)
9. Adjust GM44 differential temperature (Default = 2˚C)
10. Adjust AmbiTec Plus type (Default = 00)
11. Adjust reset type (Default = 01)
12. Adjust V3 vent (Manual or Auto)
13. Adjust high fire time (Default = 30)
14. Adjust pre-heat mode (Default = 02)
15. Adjust pre-heat time (Default = 1:00 hour)
16. Adjust night temperature band (Default = 16˚C)
17. Adjust night temperature band (Default = 03˚C)
18. Adjust forward clock 1 hour at 01:00 ON (No default)
19. Adjust retard clock 1 hour at 01:00 ON (No default)
20. Adjust holiday 1 period (No default) (NB Frost protection only)
21. Adjust holiday 2 period (No default)
22. Adjust holiday 3 period (No default)
23. Adjust holiday 4 period (No default)
24 Adjust ‘Hand (default 30 min. adjust up to 2 hours)
25. Software type; A non-editable display of software issue number’
26. Adjust Key 3 password setting level 3 (Default 0000)
27. Adjust Key 2 password setting level 2 (Default 0000)
28. Adjust Key 1 password setting level 1 (Default 0000)

3
Note It is far easier to understand these
instructions whilst actually using the
AmbiTec Plus Control Panel rather than
attempt to read them in isolation.
Normal Display
The display panel of the AmbiTec Plus will
be blank without power applied to it.
However, the battery backup will maintain
the program for a minimum of 5 years,
although operation of the AmbiTec Plus
control panel is not possible without power
applied.
When power is first applied the display will
read ‘Adjust English’ with the word English
flashing. Pressing the Select button will
advance the display to the normal display
window.
The top line starting on the left shows the
temperature in degrees centigrade, that the
remote sensor is detecting. In use, the
sensor temperature will alternate with one
of the following:
Steady reading - Sensor temperature is
within the differential range and neither
heat nor vent is being called for by the
system.
Alternating between the sensor
temperature and temperature is below
set point and first stage heating is on.
Alternating between sensor temperature
and temperature is below set point
and two stages of heating are on.
Alternating between sensor temperature
and temperature is above set point and
first stage vent is on.
Alternating between sensor temperature
and temperature is above set point
and two stages of vent are on.
Pressing the Select button will set the
second entry, ‘Operation mode’ on the top
row flashing. By using you may set the
mode to Automatic, Heat, Vent, OFF or Slave
(if unit is set for slave operation).
Pressing the will advance to the third
entry on the top line of the display and set
it flashing. This is the set point temperature
for daytime (Clock On). The will cycle
through the band (which will be set in
another window), for selecting the
temperature required.
Pressing the will advance to the fifth
entry on the top row. This is the set point
temperature for night time (Clock OFF). The
will cycle through the band, (which
will be set in another window), for selecting
the desired temperature.
Pressing the will advance the display
to the bottom row where the Current Day,
Date, Month and Time are shown. Use the
to set these to the correct readings and
the to move between them.
Note The arrow in the display between the
Day and Night temperature will point to the
temperature setting on the left (Day) when
clock is ON, and to the right (Night) when the
clock is OFF, indicating which set point it is
trying to achieve.
Advance ON/OFF (3)
With the normal display shown, pressing the
Select button twice will take you to the
clock override screen. The display will show,
advance ‘ON or OFF’ flashing. This is the
current status of the clock. Use the to
change the status.
Note Care should be taken in using this
function. If for instance, the clock shifts off
at 17:00 hours on Friday, and the function
was used to force the clock on at that time.
The program will look for the next
programmed OFF if it happens to be Monday
then the heater will run all weekend.
Therefore in an instance like this, it will be
necessary to include an additional OFF time.
Adjust timers (4)
Press the Select button until the display
window shows adjust timers. With the
adjust timer screen displayed use the to
select the day or group of days that are to
be set to the same time. Besides individual
days, group of Mon - Fri and Mon - Sun
may be set. The group settings are for
convenience of setting only when identical
times are required.
After setting, all days will be individually
displayed and then alterations to settings
may be made.
Use the to move to the ON/OFF
position. This is indicated by an ‘I’ for ON
and a ‘O’ for OFF followed by a switch
number of 1 to 4. Use the to select the
switch required. Use the to move to
the Hour position and the keys to set
the hour. Use the to move to the
minute position and the to select the
desired minute (selectable in ten minutes
increments from 00 to 50 minutes).
If further times are to be set for the day use
the to move back to the switch
position and follow steps above. Up to four
ON’s and OFF’s may be set for each day.
If further days are to be set use the to
move back to the day position and then
follow the step above.
The above procedure may be used to alter
any of the settings, using the to select
the position and the to select the
required setting.
To delete a setting follow the procedure
above and set the values for hours and
minutes to --:-- this then becomes a Null
setting and has no affect on control.
Note The unit switches in chronological
order and not in switch sequence order.
Adjust language (5)
The adjust language display lets the user
select between English, Dutch, French and
Netherlands for display purposes. Use the
to select the correct language.
Adjust year (6)
Use the to change the display to the
current year.
Note The calendar is year compliant to year
2096 and has automatic leap year
correction.
Adjust frost temperature (7)
Use the to set the desired frost
protection temperature.
5Display windows (Detailed)

4
AR/ARE SERIESAR/ARE SERIES
Adjust heat < > vent differential (8)
Press the to set the desired
temperature differential (dead band)
between heat and vent when in the Auto
mode.
Adjust GM 44 differential (9)
Press the to set the number of degrees
that the 0 - 5VDC proportional band is to
vary over.
Adjust AmbiTec Plus type (10)
Press the to set the control panel to
the type of unit required. If the control
panel is to be used to control an individual
heater then set the display to read, ‘Adjust
Energy mizor 00’. If more than one control
panel is to be used to control the heaters in
a Master/Slave configuration the use the
to set the unit to be designated as the
Master to read ‘Adjust Master 00’. If a unit
is to be designated as a slave panel then use
the to set each slave to read ‘Adjust
Slave XX’. XX is to be interpreted to be any
number from 01 - 31. No two-slave panels
are allowed to have the same number
assigned. Only one Master panel is allowed
on any one system.
Adjust reset (11)
Use the to set the AmbiTec Plus to the
type of reset required. Type 01 is all relays
off and is used for those heaters with
automatic ignition where power to the
burner must be interrupted to cause burner
reset in case of burner lock out. Type 02 is
for use where a live or neutral is required to
be switched back to the heater unit to cause
burner reset.
Adjust V3 (12)
Use the to change operation from
manual ‘Vent’ mode to V1 auto temperature
sensitive mode.
Adjust high fire time (13)
Use the to set the time required for the
burner to be on high fire during light up for
proper ignition of the burner. The setting
may be from 00 - 99 seconds.
Adjust preheat mode (14)
Press the to select 01 if the preheat is
to remain fixed at the time set in the adjust
preheat screen. Select 02 to allow the
controller to hold off the preheat to take
into account the actual ambient
temperature.
Adjust pre heat (15)
Use the to set the required preheat
time from 0 hours to 4 hours in 30 minute
steps. Ideally this should be set to the time
it takes to raise the room temperature to
20˚C. Every on time will be advanced by
this preheat time.
Adjust day temperature band (16)
Use the to select ‘From’ reading. Use
the to set these to the lower end of the
range over which the day temperature may
be set in the normal display adjust screen.
Use the to select To reading. Use the
to set the upper end of the range over
which the day temperature may be set in
the normal display adjust screen. The From
is adjustable from 00˚C to 50˚C and the To
is adjustable from 00˚C to 50˚C. However
the To reading can never be set lower than
the From reading.
Night temperature band (17)
Use the to select From reading. Use
the to set these to set the lower end of
the range over which the day temperature
may be set in the normal display adjust
screen. Use the to select To reading.
Use the to set the upper end of the
range over which the day temperature may
be set in the normal display adjust screen.
The From is adjustable from 00˚C to 40˚C
and the To is adjustable from 00˚C to 50˚C.
However to To reading can never be set
lower than the From reading.
FWD clock 1 hour at 01:00 (18)
Use the to move to the month position
and the to select the month. Use the
to select the date position and the
to set the correct date for automatic clock
forward time.
RTD clock 1 hour at 01:00 (19)
Use the to move to the month position
and the to select the month. Use the
to select the date position and the
to set the correct date for automatic
clock retard time.
Holiday (Covered only for frost
protection no night set back) (20)
Use the to select the From date
position for the holiday period to start and
the to set the date. Use the to
select the From month position and the
to set the month. Use the to select the
To date position for the holiday period to
end and the to set the date. Use the
to select the To month position and the
to set the month.
Note If set the will turn off on the last OFF of
the From date and will turn back on again on
the first On of the To date.
Holiday 2 (21)
If required set a second holiday period as in
holiday 1.
Holiday 3 (22)
If required set a third holiday period as in
holiday 1.
Holiday 4 (23)
If required set a fourth holiday period as in
holiday 1.
Adjust Hand (24)
Use the to adjust from 30 min. to 2
hours in 30 min steps.
AMBITEC PLUS ENERGY SAVING ELECTRONIC CONTROL PANEL

5
Software VO (25)
This is a non-editable display that shows the
software issue number. The technical
department may require this reading is a
problem is encountered in the control panel
operation and assistance is requested.
Changes made under the different versions
are as follows:
Version 6” MK3
Date introduced: 22/05/99
Serial : S/N 2301 and onwards
Changes New case and button
layout.
Additional modulating
out-put for damper
motors.
Adjust password level 3 (26)
Adjust password level 2 (27)
Adjust password level 1 (28)
Entering passwords
Adjust key No.3 screen
XXXX will be shown in the window to hide
the password from view.
Use the to select the first X. Use the
to set the first number of the
password.
Use the to move to the second X. The
first password number will become an X.
Use the to set the second number,
following the above instructions. Do the
same for the third and fourth password
number. Press the Select button and the
display will move to:
Adjust key No.2 screen
Set as described for adjust Key 3 screen,
using the password selected for level 2.
Press the Select key and the display will
move to:
Adjust key No.1 screen
Set as described for adjust Key 3, using the
password selected for level 1.
If only one password is set the
‘unauthorised’ users will have access for
level 2 operation.
If only two passwords are set the
‘unauthorised’ users will have access for
level 1 operation.
If three passwords are set the ‘unauthorised’
users will only be able to view setting and
no changes can be made.
The slave number is also used to generate a
start delay. Slave 01 will have one-second
delay on receiving a switch on command
from the master. Slave 02 will have a two
second delay etc. This reduces the gas
surge and electrical surge by preventing all
the slaves from coming on together.
The Master sends the time and date to the
slaves to lock their clocks to the same time.
The time is updated at one-minute intervals.
Any change of time and date at the master
will be sent to the slaves. The master checks
each slave on the system for a burner
failure. Should a failure occur this would
appear not only on the slave controller but
also on the master. The slave number that
failed will in indicated in the digital display.
The failed slave can be reset from either the
master panel or the slave concerned. The
reset signal from the master is only sent to
the failed unit.
The slaves will follow operating instructions
from the master, or can be set to run from
their own internal settings. Each individual
slave has its own temperature sensor for
sensing temperature in its area. Therefore
the set point temperatures are set at each
individual panel.
Adjust key numbers 3, 2 and 1
If the password setting is to be left at the
default setting of 0000 where anyone can
make adjustments the disregard all adjust
key instructions. If passwords are to be set
them all three levels must be set to ensure
complete security.
Do not press the Enter key between the
adjust key window setting. Only press it
when all desired levels are set.
Password setting level 3 is the highest
password level allowing access to
adjustments of all variables.
Password setting level 2 will allow
operators to adjust any setting in both lines
of the standard (first) display screen within
the ranges set in the adjustment windows.
Password setting level 1 will allow
operators to adjust any item on the top line
of the standard (first) display screen within
the ranges set in the adjustment windows.
Entry without passwords will still allow
viewing of all settings.
6Setting passwords
The system sends 12V signals back and
forwards between one unit designated as a
Master Controller and the others which
must be set as slaves. The unit is supplied
set to ‘Energy Mizor 00’, this is a safe
configuration which disables the
communication line signals.
Having wired the system set the one unit
that is to be the Master panel to ‘Master 00’.
All other units must be set as slaves with
numbers ‘01’ upwards.
Note No two slaves should have the same
number and only one panel may be
identified as a master.
7Master slave operation

6
AR/ARE SERIESAR/ARE SERIESAR/ARE SERIES
Timer OFF
Heat = Night mode
Vent = Frost mode
Auto = Night mode
OFF = Frost mode (including holiday shutdown)
Timer ON
Heat = Heat mode
Vent = Vent mode
Auto = Auto mode
OFF = Frost mode
Frost mode
CRF = On if H1 is ON
H2 = On if room temperature < than frost temperature setting +2˚C
H1 = On if room temperature > than frost temperature setting
V1 = OFF
V2 = OFF
V3 = OFF
0 - 5VDC output = ON if H1 is ON
Heat mode
CRF = ON
H2 = ON if room temperature is < daytime temperature setting -2˚C
H1 = ON if room temperature is > daytime temperature setting
V1 = OFF
V2 = OFF
V3 = OFF
0 - 5VDC output = ON if H1 is ON
Vent mode
CRF = ON
H2 = OFF
H1 = OFF
V1 = ON if room temperature > than day setting temperature + dead band setting
V2 = ON if room temperature > than day setting temperature + dead band + 2˚C
V3 = ON
0 - 5VDC output = OFF
Auto mode
CRF = ON
H2 = OFF if room temperature > day temperature setting -2˚C
H1 = OFF if room temperature > day temperature setting
V1 = ON if room temperature > day temperature setting + dead band
V2 = ON if room temperature > day temperature setting + dead band +2˚C
V3 = ON/OFF as programmed
0 - 5VDC output = ON
Flame reset
01 = All relays OFF
02 = CRF + H1 + H2 + reset ON
8Relay switching
AMBITEC PLUS ENERGY SAVING ELECTRONIC CONTROL PANEL

77
Gas modulating output
Calculated from Set/Temperature -
Actual/Temperature.
0 - 5V output has a constant 1 volt supply
when there is no call for heat therefore the
GM44 (or other interface type) should be set
up to drop out at a voltage slightly above
this level.
For the Ambi-Rad Technical Department
telephone [phone].
Before phoning it might be advisable to try
the following points:
If after installing the LCD display is blank
and the connections are correct the
AmbiTec Plus could need resetting this is
detailed below under clearing all settings.
Note The AmbiTec Plus control panel is fully
compatible with the MK2 Energy Mizor but
cannot be integrated with older style Energy
Mizor Master/Slave units.
Clearing password and/or setting’s is
achieved by the following instructions
(Remove this part of the page if security of
operation is important.
To clear all settings in the panel, turn OFF
the power and re-instate whilst holdings
the and the Select button.
To clear only the passwords, turn off the
power and re-instate whilst holding the

8
AR/ARE SERIES
8
71 72 73 74 75 76 77 78 11 14 31 31 15 16 17 12 18 19 20 21 22 23 24 25 26 27 13 28 29 30
Panel
Terminals
NL
++
0-5Volt
Modulating
signal
for heat
(if required)
Slave / Master
Connections
(if required)
0-5Volt
Modulating
signal
for vent
(if required)
Terminal 31 is used as a starting point
for all interlinks to liven up the relays
except V3 relay connections
230V Flame fail
V3 Summer
Vent relay
V2 Second
stage Vent relay
V1 First
stage vent
relay
H1 First
stage heat
relay
H2 Second
stage heat
relay
Burner Reset
relay
Clock
Controlled
relay
Terminals may not be in the same order as terminal strips.
Some numbers, not relevant for relay contacts, may be omitted.
Figure 2 AmbiTec Plus relay contacts
AMBITEC PLUS ENERGY SAVING ELECTRONIC CONTROL PANEL

is the registered
trademark of Ambi-Rad Limited.
Due to continuous product
innovation, Ambi-Rad reserves
the right to change product
specification without due notice.
Document reference number GB/WA/032/0201
Ambi-Rad Limited Fens Pool Avenue
Brierley Hill West Midlands
DY5 1QA United Kingdom
Telephone [phone]
Facsimile 01384 489707
UK sales email [e-mail]
Website www.ambirad.co.uk
BCEMA