Field Controls Heat Recovery Ventilator FC95HRV. - Manual (Page 21)

21
Installation and Operation of 20/40/60 Minute Timer
Operating your 20/40/60 Minute Timer
Press and release the Select Button to activate high speed
override. The High Speed Status Light will illuminate and
the unit will run on high speed ventilation for 20 minutes.
The 20/40/60 Minute timers provide an extended override
time of 20 - 40 additional minutes simply by pressing and
releasing the select button.
The High Speed Status Light will dim after 10 seconds of
run time.
The High Speed Status Light will flash during the last 5
minutes of the cycle.
All timers connected to the unit will illuminate for the
duration of the override when the Select Button is pressed.
Lockout Mode
Lockout Mode is used to disable the timers.
The timer can be set to lockout mode by pressing and
holding the Select Button for five seconds. After five
seconds, the High Speed Status Light will flash; release the
Select Button. The timer is now in lockout mode. If the
Select Button is pressed during lockout mode the High
Speed Status 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 five
seconds. After five seconds the High Speed Status Light will
stop flashing. Release the Select Button and the timer will
now operate normally.
Terminal Block
Connections
(from Timer to Terminal Block)
Yellow on timer to YELLOW #4
Red on timer to RED #3
Green on timer to GREEN #5
Red #3
Yellow #4
Green #5
High Speed
Status Lights
Select Button
initiates high speed
ventilation for 20, 40
or 60 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