User`s manual

Wall Control 400-627-000-A 8/6/07 2/2
The wall control is in Off mode when power is applied for the first
time. The mode does not change following a power interruption.
The wall control provides five modes of operation. Press the Mode
button to select the desired mode.
4.1 Normal Mode (Min)
The unit exchanges air at normal speed. The outdoor
temperature is displayed.
4.2 Boost Mode (Max)
The unit exchanges air at high speed. The outdoor
temperature is displayed.
4.3 Recirculation Mode (Re-Circ)
The unit recirculates air. However, every 20 minutes
the unit exchanges air for 2.5 minutes so that it can
obtain a reading of the outdoor temperature.
4.4 Off Mode
The unit is off. The temperature is not displayed.
4.5 Automatic Mode (Auto)
The unit operates on a 60-minute cycle. For the first 40 minutes, the
unit recirculates air or is off (see configuration parameter 2). For the
last 20 minutes, it exchanges air. However, if the outdoor
temperature is too high or too low (see configuration parameters 3
and 4), the unit recirculates air during the last 20 minutes.
• See the Configuration Table at the bottom of the page for the list
of configuration parameters.
• Press the Menu button for 3 seconds to enter or exit the
configuration menu.
NOTE: The wall control automatically saves any changes and
exits the configuration menu if no button is pressed within the
next 60 seconds.
• Press the Menu button briefly to advance to the next parameter
(menu number).
• Press the or button to change the parameter setting.
Prefilter (6-month)
The filter LED flashes when it’s time to replace the prefilter*. This
happens when the unit has run for an equivalent of 6 months of
non-interrupted air exchange or air recirculation. To reset the counter
and turn the LED off, simultaneously press both and buttons for
1 second.
Filter (12 months)
The filter LED lights up when it’s time to replace the filter*. This
happens when the unit has run for an equivalent of 12 months of
non-interrupted air exchange or air recirculation. To reset the counter
and turn the LED off, simultaneously press both and buttons for
5 seconds.
* Refer to the user’s manual of your air exchanger for filter
maintenance.
Power supply: from unit
Temperature display resolution: 1°C (1°F)
Operating temperature: 0°C to 50°C (32°F to 122°F)
Shipping temperature: -40°C to 55°C (-40°F to 130°F)
Humidity rating: 5% to 90%, non-condensing at 35°C (95°F)
p
Power-up
3.
q
Modes of Operation
4.
Filter and prefilter
maintenance LED
(section 7)
Illuminates in all
modes except
the Off mode
• Press either button
to change
configuration
setting (section 6).
• Press both buttons
to reset the filter
counter or prefilter
counter (section 7)
.
Press this button
to switch mode
(section 4).
Press this button
to access the
configuration
parameters
(section 6).
Off in
Auto
mode
Air
exchange in
Auto mode
Air
recirculation
in Auto mode
r
Error Message
5.
Display Explanation
E1
There is no communication between the wall
control and the unit.
E2
The temperature sensor is defective. (The unit will
automatically switch to Off mode if this happens.)
s
Configuration
6.
t
Filter Maintenance
7.
u
Specifications
8.
Configuration Table
Menu
number
Parameter Options
Default
setting
Description
1 Temperature format °C / °F °C Selects between °C and °F display.
2 Auto mode operation RE / OF RE Selects between air recirculation (RE) and Off (OF) (see section 4.5).
3
Auto mode
low temperature limit
-30°C to 0°C
(-22°F to 32°F)
-25°C
(-13°F)
Prevents air exchange in Auto mode if the outdoor temperature is too low (see section 4.5) .
4
Auto mode
high temperature limit
0°C to 30°C
(32°F to 86°F)
27°C
(81°F)
Prevents air exchange in Auto mode if the outdoor temperature is too high (see section 4.5) .
5 Backlight mode AU / ON AU
AU: The screen illuminates for 12 seconds when any key is pressed.
ON: The screen is permanently illuminated.