4
Control
Description
Fan Speed
Control
Dehumidistat
Control
Continuous
Mode
Intermittent
Mode
OneTouch
Yes
No
Yes
Yes
Basic
Yes
No
Yes
No
Standard
Yes
Yes
Yes
Yes
Control features
Basic Control:
Allows the user to manually set fan speed to low or high as
required to maximize comfort.
Standard Control:
Offers automatic dehumidistat control and the option to select
continuous or intermittent fan operation. Setting the wall control
to low will activate the continuous mode.
OneTouch Control:
Allows control of ventilator with the touch of a button. This
control will operate as a main wall control. The OneTouch will
operate the unit in Intermittent Mode (20 minutes per hour),
continuous low speed, continuous high speed, and off.
Automatic Defrost Cycle Features
All models offer a non--electric defrost cycle feature which
prevents frost and ice buildup within the heat recovery core.
When the outside air temperature falls below 23
_
F (--5
_
C) it is
electronically sensed and the dampers close the outside air ports.
This allows warm indoor air to recirculate within the heat
recovery core. The frequency of this cycle increases as the outside
air temperature decreases.
Model
25
_
F TO 55
_
F
(---5
_
C TO ---15
_
C)
4
_
F TO ---17
_
F
(---15.6
_
C TO ---27.3
_
C)
BELOW ---18
_
F
(---27.8
_
C)
Model
DEFROST*
EXCHANGE
{
DEFROST*
EXCHANGE
{
DEFROST*
EXCHANGE
{
HRVCCLHA
6 Minutes
60 Minutes
6 Minutes
32 Minutes
6 Minutes
20 Minutes
HRVCCSHA
6 Minutes
60 Minutes
6 Minutes
32 Minutes
6 Minutes
20 Minutes
HRVCCSVA
6 Minutes
60 Minutes
6 Minutes
32 Minutes
6 Minutes
20 Minutes
* All defrost times are in the standard mode (as shipped)
{
Time between defrost when within specified temperature range
HR
V