V) Sequence of Operation:
A. Building Automation Control (BA
signal is sent to the RAH-1000 to generate output.
the system for output the humidifier will first look to the air flow switch (AFS) safety and
the high limit switch (HL) safety before coming on.
operating properly before leaving the RAH in
above safeties are good control logic will energize the normally closed water fill solenoid
valve. At the same time the normally opened drain solenoid valve will be closed. The
system will fill with water and when the
system will begin to generate fog
safeties in series)for humidification.
excessive continuous run time whe
more humidifiers but the customer elected not to furnish and install them. If your model
has a timer delay relay go to that section in this Manual for more info.
B. Local Control:
In this configurat
humidifier. The electronic humidity sensor is wired back to the Control Panel per the
wiring diagram and the Controller will operate the system to maintain the set point.
Control logic will energize the normally clo
time the normally opened drain solenoid valve will be closed. The system will fill with
water and when the low water safety float swit
generate fog (early generations
humidification. A timer relay may be installed for prevention of excessive continuous
run time when humidifier is undersized or the space really needs more humidifiers but
the customer elected not to fur
relay go to that section in this Manual for more i
Sequence of Operation:
A. Building Automation Control (BAS) Control:
With BAS Control a
000 to generate output. Once the 24VAC signal is sent
humidifier will first look to the air flow switch (AFS) safety and
the high limit switch (HL) safety before coming on. Be sure these are installed and
operating properly before leaving the RAH in an On-Line state. Assuming the two
control logic will energize the normally closed water fill solenoid
valve. At the same time the normally opened drain solenoid valve will be closed. The
with water and when the low water safety float switche(s)
system will begin to generate fog (early generations of the RAH had two low water
for humidification. A timer relay may be installed for prevention of
excessive continuous run time when humidifier is undersized or the space really needs
more humidifiers but the customer elected not to furnish and install them. If your model
has a timer delay relay go to that section in this Manual for more info.
In this configuration the Digital Controller governs the
humidifier. The electronic humidity sensor is wired back to the Control Panel per the
wiring diagram and the Controller will operate the system to maintain the set point.
ontrol logic will energize the normally closed water fill solenoid valve. At the same
time the normally opened drain solenoid valve will be closed. The system will fill with
water and when the low water safety float switch(s) are satisfied the system will begin to
generate fog (early generations of the RAH had two low water safeties in series)for
humidification. A timer relay may be installed for prevention of excessive continuous
run time when humidifier is undersized or the space really needs more humidifiers but
the customer elected not to furnish and install them. If your model has a timer delay
relay go to that section in this Manual for more information.
8
S Control a 24VAC
Once the 24VAC signal is sent to
humidifier will first look to the air flow switch (AFS) safety and
Be sure these are installed and
Assuming the two
control logic will energize the normally closed water fill solenoid
valve. At the same time the normally opened drain solenoid valve will be closed. The
) are satisfied the
(early generations of the RAH had two low water
A timer relay may be installed for prevention of
n humidifier is undersized or the space really needs
more humidifiers but the customer elected not to furnish and install them. If your model
ion the Digital Controller governs the
humidifier. The electronic humidity sensor is wired back to the Control Panel per the
wiring diagram and the Controller will operate the system to maintain the set point.
sed water fill solenoid valve. At the same
time the normally opened drain solenoid valve will be closed. The system will fill with
(s) are satisfied the system will begin to
of the RAH had two low water safeties in series)for
humidification. A timer relay may be installed for prevention of excessive continuous
run time when humidifier is undersized or the space really needs more humidifiers but
nish and install them. If your model has a timer delay