Honeywell ER150 Perfect Window Owner's Manual page 4

ER150 AND ER200 Perfect Window™ FRESH AIR VENTILATION SYSTEMS
3. Condensate Tray and Drain
Condensation normally forms on the energy transfer core during the cold weather
(below 29°F or -3°C). Moisture can build up when the warm air from your home
comes in contact with the cold air from outside. The tray collects the moisture and
funnels it to the drain. The drain pans are made of thermoformed plastic for easy
cleaning.
4. Defrost Mechanism
The built-in defrost mechanism will remove frost which can accumulate in colder
weather (21°F [-6°C] and colder). The type of defrost mechanism used is known
as "damper style". This consists of an electronically controlled damper door
(attached to a small electric motor) that moves to block off the outside cold air
entering the ventilator. If the outside temperature drops below 27°F (-3°C), the
defrost timer is activated. The timer activates the motor driven damper door
mechanism which temporarily moves to close off the outdoor air supply and
opens another port on the ventilator that allows warm indoor air to enter the core
to help the defrost. Approximately 4.7 minutes after the defrost cycle is acti-
vated, the timer will signal the damper to return to its original position for a
27 minute period. The defrost cycle will repeat until the outside temperature
rises above 27°F (-3°C)
.
5. Energy Transfer Core
As the exhaust and fresh air pass through opposite sides of the Energy Transfer
Core heat is transferred from the warm side to the cold side. This heat transfer
reduces the cost of conditioning the fresh outside air that is brought into your
home. In addition, moisture is transferred from the wet side to the dryer side.
This moisture transfer reduces the drying of the air inside your home that occurs
during the winter months and reduces the amount of moisture that is brought into
your home during the summer months. The core removes easily for cleaning.
69-1188—2
DEFROST PORT (NON-DUCTED)
DAMPER DEFROST
(MOTOR AND DOOR)
FILTERS (2)
4
CORE INSTRUCTIONS
ENERGY TRANSFER CORE
CABINET
DUCTING
(4 PORTS)
MAIN MOTOR
SQUIRREL
CAGE FAN
CORE GUIDE
CHANNEL (4)
DRAIN PANS
DRAIN P TRAP
INSULATED
ACCESS DOOR
DOOR KEEPER PLATE (2)
M11898A
DRAIN LINE