CLIMASET Prossimo Series User manual
INSTRUCTION MANUAL
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CLIMASET
Prossimo™ Series
Interactive controllers
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CLIMASET
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Climaset is under continuous development. Both the described products and document contents
may be changed or withdrawn without any previous notice. The scope of the warranty and
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responsibility of Climaset applies to the device only. Under no circumstances shall Climaset be
responsible for any special, incidental, consequential, or indirect damages, howsoever caused.
Contents
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Enjoying your Climaset safely ................................................................. 4
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Introducing your Climaset ...................................................................... 6
Indicators on the screen and adjustments.................................................. 6
Smartikeys™: adjusting all settings with a single touch ............................ 10
Summary of steps to adjust your thermostat ............................................. 11
Installing the device easily ...................................................................... 13
Appendix A. Miniature circuit breaker (MCB) selection guide ....................... 16
Appendix B. Thermostat selection guide and wiring diagrams ............ 17
Appendix C. Extra settings ....................................................................... 43
Appendix D. Troubleshooting .................................................................... 46
Appendix E. Technical specifications ......................................................... 48
4
Enjoying your Climaset safely
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The instructions below have been prepared to help you enjoy using your Climaset
safely for many years. Please read it thoroughly before starting to use the device.
Ÿ Each air conditioning device should be protected by its own miniature circuit
breaker (MCB).
Ÿ Each thermostat is intended to control a single air conditioning unit. We do not
recommend control of multiple units with a single thermostat.
Ÿ If you ever encounter device malfunction, switch the respective MCB off and
contact customer service.
Ÿ Should you notice that your air conditioner is not protected by an MCB, ask your
electrician to add one for you. You may find proper recommended MCB specifications
in Appendix A.
Ÿ The MCB rating should be selected according to the required current for the normal
operation of your air conditioner. Using higher ratings, protection is not assured.
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Ÿ Your Climaset also protects itself as well as your air conditioner with a fuse. In case
of a burnt fuse, please check for malfunction of your air conditioner and thermostat,
incorrect wiring, or short circuit. It may also indicate that the thermostat cannot
supply the necessary current for the air conditioner. You may need to add a relay
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Enjoying your Climaset safely
5
between the thermostat and the air conditioner. Refer to Appendix B.
Ÿ Always replace the fuse with one of the same type. Fuses have several
specifications other than their current rating. Check Appendix E for the proper type of
fuse. Contact your local customer service if an extra fuse is necessary.
Ÿ Never bridge the fuse with a wire or replace it with one of a higher rating.
Ÿ Before screwing the wires to the device terminals, use the wire ferrules supplied
with the device. This will avoid the possibility of a short circuit. We recommend using
AWG 16 (1.5 mm) cables.
Ÿ Never use detergent to clean the thermostat surface. It may leave undesirable
marks on the surface of the thermostat, especially on the screen. Always use a soft,
moist tissue to clean the device.
Ÿ Should liquid crystal leak from the screen, avoid all contact with the eyes, mouth,
and skin.
Ÿ The device is not designed to work in places with condensing humidity.
Ÿ Strong electromagnetic fields, such as powerful radio transmissions, can distort the
screen content or cause device malfunction.
Ÿ Never try to fix the device yourself. Replacement of the parts may affect the safe
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usage of the device. Always contact your local Climaset service center for repair.
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Enjoying your Climaset safely
6
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Introducing your Climaset
® TM
The Climaset Prossimo series is the most compact, ultra-slim wall-mount
thermostat ever designed. With its large screen and multi-function keys, it is a new
frontier in functionality standards in the thermostat industry.
TM
The Smartykeys one-touch automatic adjustment is easy to operate even for those
who find it difficult to work with digital thermostats. Now, there is a single assigned
key for the frequently used adjustments, such as fan speed, desired temperature,
and heat/cool selection. Even advanced adjustments in the “Extra settings” screen
tm
are easy in the Prossimo series because of the existing navigation-based system of
the keys.
Indicators on the screen and adjustments
The figure on the next page shows the display indicators and adjustments. The
following section describes in detail the role of each indicator on the screen and how
to manually adjust them.
ΠRoom temperature: Indicates the existing room temperature.
Set to: Your desired room temperature. Use the “+” key to increase or the“-” key to
decrease the set temperature.
?The adjustment steps for setting the temperature have been reduced to 0.5°C in
this new model to satisfy the most discriminating demands.
? Pressing the “+” or “-” key for a while speeds up the increase or decrease of the set
temperature.
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Introducing your Climaset
7
Ž Difference reading: Room temperature variation from the desired temperature,
set in .
Temperature bar graph: The room temperature is shown graphically by the curved
bar graph. It is updated every few seconds and remains unchanged until the next
reading.
Indicators on the screen and adjustments
8
Graphical temperature setting indicator: An arrow on the right side of the
temperature bar graph shows the desired room temperature graphically, set in .
‘ Power status: This shows the power status of the device. It may display one of the
following indicators:
The device is in standby mode. In this mode, the thermostat displays your setting
along with the room temperature, but the air conditioner is not turned on until you
switch back to the operational mode. This mode is useful if you do not use your air
conditioner for a long period, such as in the spring or autumn, when you are on a trip,
or in rooms that are used rarely.
The device is in operational mode. The air conditioner will be switched on or off
automatically according to your settings.
Use the power key ( ) to switch between operational and standby mode.
’ Heating/cooling operation mode: This indicator specifies whether the device is
operating in heating, cooling, or, if the device supports it, automatic heat/cool
changeover or fan-only mode. Use the heat/cool changeover key ( ) to switch
between these modes.
? “Automatic heat/cool changeover mode” means the device may automatically
change between heating or cooling based on the setting and the room temperature.
This mode may not be supported by all air conditioners and accordingly may not be
available in all thermostat models.
? The fan-only mode is useful if you need the air conditioner to just blow air without
heating or cooling. In this mode, the thermostat does not switch the air conditioner
off unless the power off key is pressed. This mode is not supported by all air
conditioners and thermostat models and should be enabled in “Extra Settings” as
described in Appendix C.
?Not adjusting this setting correctly will cause the malfunction of your air conditioner.
Indicators on the screen and adjustments
9
Indicators on the screen and adjustments
Choose fo r cooling, for heating, or, if your device supports it, for automatic
heat/cool or for fan-only mode.
“ Fan operation modes: The following fan operation modes are available:
ŸNormal fan operation mode: The air conditioner runs with the adjusted fan speed
whenever the thermostat restarts the air conditioner.
Ÿ Automatic fan speed changeover mode: The fan speed is proportional to the
temperature difference between the room and the set point. As the room
temperature approaches to the set point, the fan speed drops. You will benefit from
the maximum capability of your air conditioner whenever it is required, in the hottest
hours of the day, and you will enjoy quiet fan operation whenever possible
throughout the rest of the day, and you will save a considerable amount of energy.
” Fan speed: This displays the adjusted fan speed. The number of blades is
proportional to the determined fan speed.
? The icon displays the determined fan speed. The device may be on or off because
of the difference between the room and the desired temperatures or the power
status setting. In such a case, the fan speed icon is shaded gray to indicate that the
air conditioner apparatus is actually off.
Use the fan speed key ( ) to change the fan speed. If the fan speed is high and you
press the fan speed key again, the automatic fan speed changeover mode will be
selected and the thermostat determines the fan speed based on the difference as
indicated in section Ž of the screen. A greater difference results in a higher fan
speed, reducing the time needed to reach to the desired set point. Pressing the fan
speed key ( ) again exits the automatic fan speed changeover mode and returns to
the normal mode. The minimum fan speed will be selected again accordingly.
Continuous fan operation: If your air conditioner is capable of performing in
continuous fan operation mode and your thermostat model supports this option, you
10 Smartikeys™: adjusting all settings with a single touch
may enable the continuous fan operation mode as described in Appendix C. In this
mode, the fan never switches off, but the thermostat controls the room temperature
by switching on or off components other than the fan, such as a compressor, an
electric valve, etc. If this mode is selected, a “Cont.” sign appears as shown in the
figure.
Heat/cool activation indicator: If the thermostat controls components other than
the fan, it indicates their status. “Heat” or “Cool” means that the thermostat
commands heating or cooling. If two stages of heating and cooling are available for
your air conditioner and thermostat, they may be displayed as “Cool1” or “Heat1” for
the first stage and “Cool2” or “Heat2” for the second stage. Also, if the thermostat
directly controls a compressor for heating as a heat pump or cooling, a 3-minute
restart delay is necessary to equalize the pressure on the compressor to prevent
overload on its electro motor during startup. During these 3 minutes, a recycle delay
warning is indicated on the screen.
Beep sound indicator: This indicates whether the key press beep is enabled or not.
Press for 5 seconds to turn it on or off. and hold the power key ( )
? This has no effect on the confirmation beep sound for remote controller
commands.
Smartikeys™: adjusting all settings with a single touch
Determine whether you need to adjust the thermostat for cooling or heating. To
adjust the device for cooling, just press the key with the blue snowflake sign ( ) for 5
seconds; to adjust it for heating, press the key with the red flame sign ( )for 5
seconds. The device will respond with a long beep. This means all the necessary
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