User Manual

5
Maintenance
The product is intended to operate with minimal maintenance. However, a few
activities may be performed during the course of using the product.
The product shall be shut down before ANY maintenance activity is performed.
Filter
It is recommended to change the filters at least once in three months depending on the
outdoor air quality. The procedure for changing the filters is presented accordingly:

START: Gently unlock the latches of the enclosure and open its lid.
MINI (supply vent)

Hold the enclosure firmly with one hand and carefully pull out the vent
with the other hand.

Replace the old filter in the port of the vent with a new filter (MERV4 or
PM2.5) that can fit into a circular shape with a diameter of 3 in (~7.6 cm).

Carefully re-attach the vent to the product.
MINI (exhaust vent) or CLIMATE (supply vent)

The filter(s) are accessible in the vent and the vent itself does not need to
be removed. If applicable, a clamp, filter guard, or elastic band (not shown
in Figure 1) may first need to be removed from the vent before accessing
the filter(s).

Replace the exact number of MERV4 filter(s) that came with the product.

Carefully use the clamp, filter guard, or elastic band to re-attach the vent to
the product.

FINISH: Carefully close the lid of the enclosure and lock the latches.
Duct
A damaged duct can be replaced by using a similar duct with a diameter of 3 in
(~7.6 cm). The following steps can be followed when changing a duct:

Loosen the nuts of the clamp of the damaged duct.

Remove the damaged duct and attach a new duct.

Tighten the nuts of the clamp.
NOTE 
Filters shall not be used in
the exhaust vent of
CLIMATE.
NOTE 
The length of a newly
installed duct shall not
exceed 5 ft (~12.7 cm).
NOTE 
Do not apply excessive
force when tightening
the clamp.
6
Heat Exchanger
The heat exchanger may be cleaned annually by implementing these steps:

START: Detach the ducts from the installation orifices.
MINI (supply vent) or CLIMATE (exhaust vent)

Remove the vent as explained in an aforementioned step.

Insert the hose of a powered vacuum cleaner into the port of the vent by
up to 3 in (~7.6 cm) to extract accumulated dirt, if any.

Remove the hose of the vacuum cleaner from the port of the vent.

Re-attach the vent to the product.
MINI (exhaust duct) or CLIMATE (supply duct)

Carefully insert the vacuum cleaner hose by up to 2 ft (~60.9 cm) into the
duct to extract accumulated dirt, if any. Ensure that the duct is not
damaged in the process of inserting the hose.

Remove the hose of the vacuum cleaner from the duct.

FINISH: Re-attach the ducts to the installation orifices.
Electrical Parts
An electrical part shall only be replaced if it is faulty. In this situation, the product shall
be shut down and a qualified service technician may be consulted.
Caveat
The electrical parts of the product are deemed to be certified to ensure customer safety.
Notably, the product operates on the load side of a Class 2 power source in accordance
with Canada Electric Code Rule 16–222 and US National Electric Code Class 2
Article 725–41. The product may also be subject to the exemption(s) outlined in the
US Federal Communications Commission Section 15.103(d). Consequently, the
manufacturer is not liable if additional approval is required by the Authority Having
Jurisdiction where the product is purchased and/or installed.
NOTE 
The heat exchanger of
the product shall not be
washed.
†