Lennox BALTIC Series Application Manual page 12

FEATURES AND BENEFITS
CONTROL OPTIONS
DC 50 : Comfort Display
This is a remote controller for non-technical customer. It has
been wanted to aesthetically fit inside a room and be very easy
to use.
This graphical display gives information such as running mode
of the unit, status of the fan, set point, % of fresh air, outside air
temperature.
Customer can change the scheduling of the different time zone,
can modify temperature set point and % of fresh air for each
zone. Customer can also overide the scheduling in either
changing the set point for 3 hours or in forcing the rooftop to
unoccupied mode for 1 to 7 days. ON/OFF key is also available.
DC50 Comfort display, shows faults number when rooftop is in
the failure mode. Customer can reset fault thanks to a
combination of keys.
Time and day of the rooftop can be seen and modified easily
through the DC50.
DS 50 : Service Display
This new service display controller is a plug and play feature,
but can as well be remotely installed. (Maximum 1000 meters).
This allows service personal to set up to 90 settings, read up to
125 variables, up to 45 faults and read the history of the last 16
faults.
This controller has been designed to be very user friendly, with
6 different keys, a 4 lignes display and this controller includes
scrolling menus, true language (no codes) will be in English or
an other alternate language.
TCB (Thermostat Control Board)
This board has been developped for any customer who wants
to take over the control of the unit. With 6 logical inputs
(Compressor stage 1 and stage 2, heating step 1 and 2, 4 way
valves and fan), this board will replace the control algorythm.
options and accessories
However CLIMATIC™ 50 controller will stay in charge of all
safety algorythm, defrost operation or free cooling operation.
All Input are volt free contact.
This is the perfect board, to have BALTIC rooftop managed by
a zoning system, a universal thermostat or even a BMS system.
Communication interface
Electronic board needed for Climalink or Climalook use. One
board required per rooftop.
CLIMALINK 2
Made-of a computer technology based central unit, a com-
munication interface (via RS485) and a modem. Climalink allows
a remote
access of a network of 12 rooftops via modem.
Climalink is installed in the building and has its own telephone
number. Anywhere in the world, any computer equiped with
a modem and Internet explorer 5 can then access most of the
information on the rooftop installation.
The entrance screen gives an access to 9 different languages
(French, Italian, English, Spanish, Portugese, Tcheck, Dutch,
German and Polish).
General Screen :
A general screen shows 12 rooftops with their supply and room
temperature and their status.
Clicking on a rooftop will take the user to the main page, with
access to the appoximatively 25 set points and variables.
Enough to know if the rooftop is working properly and to adjust
comfort level of the building (temperature set points, fresh
air, humidity.etc). All faults on this specific rooftop would be
highlighted and detailed with date and time. They can all be
reset.
For most of the variables, history graphs are available.
Service and scheduling screens:
Most advanced users (different access codes) can acess to the
"service" page which allows a comprehensive check of the unit
and the adjustment of most of the units parameters. Ser-
vice technicians which will be able to do remote diagnostic which
save them unnecessary trips to the site.
Scheduling screen makes the programming of the different time
zones very user-friendly. All 4 zones are shown on the
same screen with all their set points. Any scheduling done on a
rooftop can be copied to the other rooftops very easily. This is a
major time saving during start-up of a site.
Climalink can also do "global commande" (Macrocommandes),
this feature allows to apply to all rooftops a given action like set
point adjustment, time adjustment.
An "history" screen gives a view of all actions which occurred
on the rooftop (fault, reset, access.etc) with time and date infor-
mation.
Finally, "access" screen allows access management. It is pos-
sible to assign different users with a different access level (basic,
advanced or supervisor), protected with passwords.
Page 11 - Application Guide 04-2003 / Rooftop BALTIC Series - Page 11