Install Instructions

Dimensional Drawing for 95 Model
Dimensional Drawing for 155 Model
18
Blower
Removable
Heat Recovery
Core
Condensate
Drain
18 1/2 in (469 mm)
Front View
Fresh
Air From
Outside
Fresh
Air To
Inside
Stale
Air To
Outside
Stale
Air From
Inside
Top View
Note: Front clearance of 25 in
(635 mm) is recommended for
servicing unit. Round duct
connections are 5 in (127 mm)
and oval collars use 6 in
(152 mm) connections.
25 in (635 mm)
16in (406 mm)
Side View
18 3/4 in (476 mm)
14 3/4 in (375 mm)
Note: Front
clearance of 25 in
(635 mm) is
recommended for
servicing unit. All
ducts use 6 in (152
mm) connections.
Stale
Air To
Outside
Removable
Heat
Recovery
Core
Recirculating
Defrost
Damper
Fresh Air
From Outside
Stale Air
From Inside
33 5/8 in (854 mm)
Condensate Drain
Front View
Filter
Fresh
Air To
Inside
Motor
Blower
Installation and Operation 20/40/60 Minute Timer: 99-DET01
Status
Lights
Select Button
initiates high
speed
ventilation
for 20, 40 0r
60 min.
Yellow
Red
Green
Installation
The 99-DET01 Timers are to be surface mounted onto a wall. Multiple Timers may be
installed in a system. Once mounted, connect Yellow, Red, Green wires on side of 99-
DET01 to the terminal block on unit using 3 wire 20 gauge (min.) 100 ft length (max.).
Operating the Timer
Press and release the Select Button to activate a 20, 40 or 60 minute HIGH speed
override cycle. The Light will illuminate and the unit will run on HIGH speed Ventilation
for the selected time. The Light will dim after 10 sec. for run time. The Light will flash
during the last 5 min. of the cycle. The Timer connected to the unit will illuminate for
the duration of the override when the Select Button is pressed.
Lockout Mode
Lockout Mode is useful if you wish to disable the Timers.
The Timer can be set to lockout mode by pressing and holding the Select Button for five seconds. After 5 sec., the Light
will flash; release the Select Button. The Timer is now in lockout mode. If the Select Button is pressed during lockout
mode the Light will momentarily illuminate but no override will be initiated.
If lockout mode is initiated when the Timer is activated, the Timer will continue its timed sequence but will not allow any
further overrides to be initiated. Lockout mode can be unlocked by pressing and holding the Select Button for 5 sec. After
5 sec. the Light will stop flashing. Release the Select Button and the Timer will now operate normally.