13
Micro-switches SW1 allow the configuration
of the following parameters:
- Pin 1: Lock keyboard. In
OFF
the keyboard
is not locked. In
ON
the keyboard is locked
and the locked keyboard symbol (
) is
displayed. The buttons that remain active
are:
,
and
(outdoor tem-
perature reading).
- Pin 2:
AUTO PROG
mode activated.
Defines whether the automatic air con-
ditioning mode with time schedule pro-
gramming (time schedule profiles) can be
activated.
OFF
indicates the
AUTO PROG
mode is deactivated, and
ON
indicates
the
AUTO PROG
mode can be selec-
ted.
- Pin 3: O/B signal: Set to
OFF
, heat is
generated when the O/B (24 VAC) signal is
active, and cool when inactive. Set to
ON
,
cool is generated when the O/B (24 VAC)
signal is active, and heat when inacti-
ve.
- Pin 4: 2 minutes/4 minutes. Defines the
time between the end of one phase and
when it can be active again.
OFF
indicates
2 minutes, and
ON
, 4 minutes.
- Pin 5: Multi-stage. Defines single-stage
(one stage can be activated only) or multi-
stage (more than one can be activated).
OFF
indicates single-stage and
ON
, multi-
stage.
- Pin 6: Single-speed fan. Defines whether
the fan can operate at one or three speeds.
OFF
indicates 3 speeds and
ON,
1 speed.
In single-speed, the wind icons are not
displayed.
Alarms
The alarm codes are displayed at the bot-
tom left of the screen, overlapping hour and
minutes.
The alarm codes are as follows:
- 0-90, machine error codes (If there is
communication).
- 91, temperature origin selected is
invalid.
- 92, indoor temperature sensor not cali-
brated.
- 93, communication alarm.
- 94, alarm with terminal "AL" connected.
- 95-99, digital probe not detected.
When an alarm is generated, the wrench
symbol is displayed. If the error is machine
or communication, this symbol flashes. Ter-
minal "AL" is an input signal of phase "R"
that activates, on the thermostat display,
failure code 94. Use if there is no commu-
nication with the thermostat and the control
is equipped with terminal "AL".
Filters. If the dirty filters symbol is displayed
flashing, the filters need to be changed.
Dead battery. The dead battery symbol indi-
tes the batteries are dead, and these should
be changed. System configuration is not lost
when changing the batteries. Only day and
time are lost.
Installation instructions
It is recommended that the installation be
carried out by a qualified personal.
Location
To assure adequate operation, this thermo-
stat should be installed on an indoor wall, in
a frequently occupied area of the building.
Furthermore, it should be at at least 50 cms.
from any outside wall, and at approximately
1.5 m. above floor level, in an area with freely
circulating air at average temperature. The
following locations should be avoided:
- Behind doors or in corners where freely
circulating air is unavailable.
- Where direct sunlight or radiant heat
generated by other appliances may alter
the control operation.
- On an outside wall.
- Next to or in line with air conditioning dis-
charge grids, stairwells or doors leading
GB
Table of lockouts (Red LED)
outdoors.
- Where operation can be affected by steam
or water pipes, or hot air chimneys in
adjacent areas or any other unheated/un-
cooled area behind the thermostat.
- Where operation can be affected by the
supply air of any adjacent unit.
- Near sources of electrical interference,
such as arching relay contacts.
Basic elements
This thermostat comprises three parts:
- Hinged front cover.
- Front panel. This element contains the
operating and control keys, as well as the
printed circuit. Fastened to the base by
means of a plastic tab.
- The base. This box allows fastening the
thermostat to the wall, and contains the
electrical connecting strips.
Code
Designation
11 / 21 / 31
Compressor discharge temperature surpassed or
short circuited probe
12 / 22 / 32
High Pressure switch, outdoor fan overload or
compressor motor protection module
13 / 23 / 33 Low Pressure switch
14
Indoor fan thermal switch
15 / 25 / 35
Repeated start-ups in cool, or suction temperature
< -25°C
16
Liquid temperature < -30°C
41
Gas 1 or electrical heater 1
42
Gas 2 or electrical heater 2
43
Electrical heater 3
44
Electrical heater 4
45
Economizer or hot water coil
46
Smoke detector, fire thermostat or air discharge
temperature probe (rooftop only)
91
Selected probe not valid or short circuited probe
92
Thermostat internal probe not calibrated
93
No communication between the thermostat
94
Failure with terminal "AL" connected
95
Digital probe S5 not detected
96
Digital probe S6 not detected
97
Digital probe S7 not detected
98
Digital probe S8 not detected
99
Outdoor digital probe not detected
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