21
Installation and Operation of 20/40/60 Minute Timer
Operating your 20/40/60 Minute Timer
Press and release the SelectButton toactivate high speed
override.The High Speed Status Light will illuminate and
theunit will run on high speed ventilation for 20 minutes.
The20/40/60 Minute timers provide an extended override
timeof 20 - 40 additional minutes simply by pressing and
releasingthe select button.
TheHigh Speed Status Light will dim after 10 seconds of
run time.
TheHigh Speed Status Light will flash during the last 5
minutesof thecycle.
Alltimers connected to the unit will illuminate for the
durationof the overridewhen the Select Button is pressed.
Lockout Mode
LockoutMode is used to disable the timers.
Thetimer can be set to lockout mode by pressing and
holdingthe Select Button for five seconds. After five
seconds, the High Speed Status Light will flash; release the
SelectButton. The timer is now in lockout mode. If the
SelectButton is pressed during lockout mode the High
SpeedStatus Light will momentarilyilluminate but no
overridewill be initiated.
If lockoutmode is initiatedwhen the timer is activated, the
timerwill continue its timed sequence but will not allow any
furtheroverrides to be initiated.Lockout mode can be
unlockedby pressing and holding the Select Button for five
seconds. Afterfive seconds the High Speed Status Light will
stopflashing. Release the Select Button and the timerwill
now operate normally.
TerminalBlock
Connections
(fromTimer to Terminal Block)
Yellowon timer to YELLOW #4
Redon timer to RED #3
Greenon timer to GREEN #5
Red#3
Yellow#4
Green#5
HighSpeed
StatusLights
SelectButton
initiateshigh speed
ventilationfor 20, 40
or60 minutes.
Yellow
Red
Green
NOTE ABOUT TIMERS
• Timers mount in standard 2” x 4” electrical boxes.
• Wire multiple timers individually back to the unit.
• Use 3/20 low voltage wire
If the system does not have a main control
installed, the HRV Terminal Block must have a
jumper installed between 2 (ON) and 3 (RED).
Refer to “Operating the HRV without a Main
Control” in this manual.
ATTENTION