Return-Air Filters EnviroComfort Installation Manual
18 L-2657 ENGLISH
RETURN-AIR FILTERS
Check the return-air filter about once a month and clean as necessary. To clean the filter, remove it from the unit (if unit installed)
or from the filter (if filter installed), rinse with water, air dry and reinstall.
If your kit is supplied with a filtered return-air grille, the filter attached to the unit’s evaporator must be removed. Two filters are
not better than one, as the reduced air flow will decrease performance and possibly freeze the evaporator coil.
WINTERIZATION
There are several methods of winterization, some of which work better than others. Any method that causes the antifreeze
solution to flow downward is the method of choice. By this means, the antifreeze solution displaces any trapped water and
eliminates the possibility of it freezing in hidden areas.
Choose the method that works best for you. In the following four methods, the first two use a 50/50 nonpolluting biodegradable
antifreeze/water solution:
• Pump antifreeze solution into the overboard thru-hull fitting, and discharge through the intake thru-hull fitting.
• Use the seawater pump to pump antifreeze solution through the system and discharge through the overboard thru-hull
fitting: Close sea cock, remove hose from strainer discharge, raise hose above pump (so pump does not lose its prime)
and pour in antifreeze solution. Pump solution through system. The strainer and hose to sea cock need to be drained
of water.
• Use pressurized air injected at the overboard discharge fitting to force system water through the seawater intake fitting,
thus expelling any trapped water from the system.
• Use pressurized air injected at the seawater intake fitting to force system water through the seawater overboard
discharge fitting, thus expelling any trapped water from the system.
In addition, since the seawater pump utilizes a magnetically driven impeller, remove the impeller from the wet-end assembly,
wipe with an alcohol solution, and store in a warm, dry area until commissioning takes place.
OWNERS LIMITED WARRANTY
As hereinafter described, Dometic limits the duration of any implied warranty to the duration of the underlying express
warranty and also disclaims any liability for consequential or incidental damages arising from any application,
installation, use or malfunction of any warranted product.
SECTION I - WHAT’S COVERED
What does the Limited Warranty cover?
Products manufactured by Dometic Corporation (Dometic) are under limited warranty to be free from defects in workmanship or
materials. This being under normal use and service, with the obligation of Dometic under this limited warranty, being limited to
replacing or repairing any component(s) which shall disclose defects within the limits defined in Section III. Which upon
examination by Dometic, shall appear to the satisfaction of Dometic to be defective or not up to specifications.
This Limited Warranty is made in lieu of all other express warranties, obligations, or liabilities on the part of Dometic.
In addition, Dometic shall not be responsible for any incidental or consequential damages. In those instances in which a
cash refund is made, such refund shall effect the cancellation of the contract of sale without reservation of rights on the part of
the purchaser. Such refund shall constitute full and final satisfaction of all claims which the purchaser has or may have
against Dometic due to any actual or alleged breach of warranty, either express or implied, including, without
limitation, any implied warranty or merchantability or fitness for a particular purpose. Some states do not allow the
exclusion or limitation of incidental or consequential damages so the above limitation may not apply to you.
The Dealer is not an agent for Dometic, except for the purpose of administering the above warranty to the extent herein
provided. Dometic does not authorize the dealer or any other person to assume for Dometic any liability in connection
with such warranty, or any liability or expense incurred in the replacement or repair of its products other than those
expressly authorized herein. Dometic shall not be responsible for any liability or expense except as is specifically
authorized and provided in this section.
Dometic reserves the right to improve its products, through changes in design or material without being obligated to incorporate
such changes in products of prior manufacture. Dometic can make changes at any time in design, materials, or part of units of
any one, model year, without obligation or liability to owners of units of the same year's model of prior manufacture.
NOTE
Collect all discharged liquids and recycle or dispose of in a proper manner in accordance with federal, state and/or
local regulations.
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