GreenAire RAH-SAU series User manual

INSTALLATION AND OPERATION
FOR:
VS.7.14
INSTALLATION AND OPERATION
FOR:
RAH–SAU Series
1
INSTALLATION AND OPERATION

1. Equipment provided
: Locate all equipment provided with your order. The following
equipment may be provided –
make sure to look at your packing slips and purchase orders
to determine exactly what is included in your system.
a.
Generator Control Panel
b.
Reverse Osmosis system
c.
Governing humidity
d.
Installation and Maintenance Manual
2. Humidifier location:
Location of the humidifier
Installer. The following rules should be followed:
A.
Place the Control Panel in a place where the outlet fog will
surfaces. Make sure to verify the air patterns in the room to preclude any adverse
flows that would cause the fog to impinge upon any walls, the control cabinet or
other surfaces.
B.
If the unit is feeding a test chamber or room then
cabinet as close as possible to the dispersion point of the fog and no greater than
10’ ft. if possible. The longer the run of discharge tubing the more your losses of
fog will be. (Consult with the Factory if thi
INSTALLATION:
I) Control Panel
Location and Piping:
A. As stated above l
ocate
distance from
the dispersion point
B.
Make sure the Control Panel
C. When attaching
tubing to the inlet and outlet stubs on the Control Panel make
sure they are water tight.
D.
Sealant can be used on the
adhesive because these tubes will need to be loosened during maintenance.
CAUTION:
When piping try to avoid creating
piping. If you cannot avoid doing so then
trap locations. (see Fig. 1 )
: Locate all equipment provided with your order. The following
make sure to look at your packing slips and purchase orders
to determine exactly what is included in your system.
Generator Control Panel
Reverse Osmosis system
including 4 gal. storage tank
(if applicable)
Governing humidity
sensor
Installation and Maintenance Manual
Location of the humidifier
is the preference of the End User or
Installer. The following rules should be followed:
Place the Control Panel in a place where the outlet fog will
not impinge on any
surfaces. Make sure to verify the air patterns in the room to preclude any adverse
flows that would cause the fog to impinge upon any walls, the control cabinet or
If the unit is feeding a test chamber or room then
try and keep the control
cabinet as close as possible to the dispersion point of the fog and no greater than
10’ ft. if possible. The longer the run of discharge tubing the more your losses of
fog will be. (Consult with the Factory if thi
s is a problem
Location and Piping:
ocate
the Control Panel within 10
’ ft of equivalent piping
the dispersion point
.
Make sure the Control Panel
is installed LEVEL! VERY IMPORTANT!
tubing to the inlet and outlet stubs on the Control Panel make
sure they are water tight.
Sealant can be used on the
stubs if desired for complete seal.
adhesive because these tubes will need to be loosened during maintenance.
When piping try to avoid creating
water “traps” or low points in the
piping. If you cannot avoid doing so then
be sure to plumb a mini-
drain from such
2
: Locate all equipment provided with your order. The following
make sure to look at your packing slips and purchase orders
(if applicable)
is the preference of the End User or
not impinge on any
surfaces. Make sure to verify the air patterns in the room to preclude any adverse
flows that would cause the fog to impinge upon any walls, the control cabinet or
try and keep the control
cabinet as close as possible to the dispersion point of the fog and no greater than
10’ ft. if possible. The longer the run of discharge tubing the more your losses of
’ ft of equivalent piping
is installed LEVEL! VERY IMPORTANT!
tubing to the inlet and outlet stubs on the Control Panel make
But not
adhesive because these tubes will need to be loosened during maintenance.
water “traps” or low points in the
drain from such

E.
Pipe the drain line
Again be sure not to trap water. If necessary employ a condensate pump/drain to
elevate the drain water and evacuate it during drain cycles.
II) RO System Location and Piping:
A. Now install the R
everse
mountable with simply two screws and can be hung as self supporting. Follow
the instructions
outlined below
respective connections. All connections are simple quick connec
recommended that a shut off valve be placed in line after tapping the domestic
water line for the RO System supply.
1)
Locate and connect the
e
quipment. This will be the right side as you face the system. The
sup
ply side will consist of Black ¼” tubing.
2)
Locate the Yellow drain line, and place in an appropriate area for
drainage.
HUMIDIFICATION SEASON IS MONTHS AWAY.
CONDENSATE PUMP
3)
Locate the b
humidifiers
system metal frame)
storage tank.
proximity to the RO System.
4)
Make sure to open the valve at the top of the storage tank.
5)
Once installed, allow the system to run for approximately 15
minutes to flush completely. Make sure there are no leaks, parts
can come loose in shippin
6)
The RO System will run until all the humidifier supply lines and
storage tank are filled and charged to the pressure of the building.
This may take several hours to happen.
7)
PLEASE N
WATER SUPPLY TO THE RO SYSTEM.
if this is a problem)
B.
Pipe supply piping from
Panel/Generator
or STS Box
C.
Open the inline water valve off of the build
the
filling of water to the
filling the clear water filter housings on the RO System.
D. Check for leaks.
As stated above The RO System will run until all the humidifier
supply
lines and storage tank are filled and charged to the pressure of the
building. This may take several hours to happen. Again, make sure that the
drain is working –
if the drain line is fed to a condensate pump the pump MUST
BE OPERABLE!
The RO System h
Pipe the drain line
from the Control Panel
to an appropriate drain location.
Again be sure not to trap water. If necessary employ a condensate pump/drain to
elevate the drain water and evacuate it during drain cycles.
II) RO System Location and Piping:
everse
Osmosis (RO)
Water system. These systems are wall
mountable with simply two screws and can be hung as self supporting. Follow
outlined below
for connecting the colored tubes to their
respective connections. All connections are simple quick connec
recommended that a shut off valve be placed in line after tapping the domestic
water line for the RO System supply.
Locate and connect the
domestic water
supply side of the
quipment. This will be the right side as you face the system. The
ply side will consist of Black ¼” tubing.
Locate the Yellow drain line, and place in an appropriate area for
drainage.
NOTE: DRAIN MUST BE OPERABLE! EVEN IF THE
HUMIDIFICATION SEASON IS MONTHS AWAY.
CONDENSATE PUMP
– IT MUST BE ON LINE!
Locate the b
lu
e product water line that will provide
humidifiers
. Utilize a “t” connector
(provided and taped to the RO
system metal frame)
to hook up the product water (blue line) to the
storage tank.
Locate the 2.5 gallon storage/bladder
proximity to the RO System.
Make sure to open the valve at the top of the storage tank.
Once installed, allow the system to run for approximately 15
minutes to flush completely. Make sure there are no leaks, parts
can come loose in shippin
g. Hand tightening may be necessary.
The RO System will run until all the humidifier supply lines and
storage tank are filled and charged to the pressure of the building.
This may take several hours to happen.
PLEASE N
OTE: 35 PSI MINIMUM REQUIRED ON INCO
WATER SUPPLY TO THE RO SYSTEM.
(Consult with the Factory
if this is a problem)
Pipe supply piping from
the RO System to the fitting on the side of the
or STS Box
labeled “water in”.
Open the inline water valve off of the build
ing domestic water supply to begin
filling of water to the
RO
System. You should notice water immediately
filling the clear water filter housings on the RO System.
As stated above The RO System will run until all the humidifier
lines and storage tank are filled and charged to the pressure of the
building. This may take several hours to happen. Again, make sure that the
if the drain line is fed to a condensate pump the pump MUST
The RO System h
as an automatic shut off valve (ASO) that
3
to an appropriate drain location.
Again be sure not to trap water. If necessary employ a condensate pump/drain to
Water system. These systems are wall
mountable with simply two screws and can be hung as self supporting. Follow
for connecting the colored tubes to their
respective connections. All connections are simple quick connec
ts. It is
recommended that a shut off valve be placed in line after tapping the domestic
supply side of the
quipment. This will be the right side as you face the system. The
Locate the Yellow drain line, and place in an appropriate area for
NOTE: DRAIN MUST BE OPERABLE! EVEN IF THE
IF PIPED TO A
e product water line that will provide
RO water to the
(provided and taped to the RO
to hook up the product water (blue line) to the
Locate the 2.5 gallon storage/bladder
tank in close
Make sure to open the valve at the top of the storage tank.
Once installed, allow the system to run for approximately 15
minutes to flush completely. Make sure there are no leaks, parts
g. Hand tightening may be necessary.
The RO System will run until all the humidifier supply lines and
storage tank are filled and charged to the pressure of the building.
OTE: 35 PSI MINIMUM REQUIRED ON INCO
MING
(Consult with the Factory
the RO System to the fitting on the side of the
Control
ing domestic water supply to begin
System. You should notice water immediately
As stated above The RO System will run until all the humidifier
lines and storage tank are filled and charged to the pressure of the
building. This may take several hours to happen. Again, make sure that the
if the drain line is fed to a condensate pump the pump MUST
as an automatic shut off valve (ASO) that

is completely mechanical and will only open and pass water to drain when the
pressures are not equalized between the domestic water supply and the
humidifier supply lines. If there are any questions or issues plea
Factory Representative.
III) Accessories:
A.
If the system was provided with a controlling humidity sensor then install it
and wire it from the Generator panel at the appropriately labeled locations on
the terminals. Refer to the Wiring
landing locations and line sizes.
not required.
B.
Do the same as the above with both the High Limit humidistat and the Air
Flow switch if provided. Terminal locations are
Diagram provided with your Unit.
dampers.
C. If a BA
S signal is being provided then connect it to the proper terminal
locations in the Generator as labeled in the Wiring Diagram provided with the
Unit.
In this case a separate 24VAC signal is required to turn on the
humidifier.
is completely mechanical and will only open and pass water to drain when the
pressures are not equalized between the domestic water supply and the
humidifier supply lines. If there are any questions or issues plea
Factory Representative.
If the system was provided with a controlling humidity sensor then install it
and wire it from the Generator panel at the appropriately labeled locations on
the terminals. Refer to the Wiring
Diagram
provided with your unit for proper
landing locations and line sizes.
Shiel
ded control wire is recommended but
Do the same as the above with both the High Limit humidistat and the Air
Flow switch if provided. Terminal locations are
again labeled in the Wiring
Diagram provided with your Unit.
CAUTION:
locate AFS before any
S signal is being provided then connect it to the proper terminal
locations in the Generator as labeled in the Wiring Diagram provided with the
In this case a separate 24VAC signal is required to turn on the
4
is completely mechanical and will only open and pass water to drain when the
pressures are not equalized between the domestic water supply and the
humidifier supply lines. If there are any questions or issues plea
se contact your
If the system was provided with a controlling humidity sensor then install it
and wire it from the Generator panel at the appropriately labeled locations on
provided with your unit for proper
ded control wire is recommended but
Do the same as the above with both the High Limit humidistat and the Air
again labeled in the Wiring
locate AFS before any
zone
S signal is being provided then connect it to the proper terminal
locations in the Generator as labeled in the Wiring Diagram provided with the
In this case a separate 24VAC signal is required to turn on the

IV)
Start Up Procedure:
A.
Verify Piping connections
1.
double check the inlet and outlet water connections to the system
either at the generator panel or at the S
be tight.
2.
open up any shut off valves up stream to the water inlet and make sure
that, with the water charged, there are no leaks while the System is off.
3.
now check the fogging inlet and outlet connections from the UPC t
(these are typically 3” or 2” connections). Make sure that the hose
couplings are tightened.
4.
evaluate the installing contractor’s piping from the fogging outlet
connection to the DTA and make sure it isn’t excessively long (in
excess of 10’) and
where condensate can accumulate without a drain. (please note
typical steam piping practices should be utilized when piping a fogging
supply line; i.e. don’t create traps and do use the manufacturers
reco
mmended pipe size)
5.
if a vertical header DTA was used make sure the drain connection at
the bottom of the header has been connected to a drain.
B.
Turning the System On:
1.
go to the control panel and make sure the panel on/off switch is off.
2.
open up the
–
if CB is showing green then the CB is in the ‘off’ position. If it is
showing ‘red’ it is in the ‘on’ position and power will pass through the
CB.
3.
now remove the fuse on the 48VAC transformer a
place it nearby.
4.
verify that the 120V line to the panel is connected and live.
5.
verify that the Air Flow switch is installed and wired appropriately to the
proper terminals in the control panel (see wiring diagram that came
with the pan
6.
verify that the Hi
the proper terminals in the control panel (see wiring diagram that came
with the panel and/or was submitted for that job)
7.
verify that the controll
been installed and has been wired back to the proper terminals in the
control panel (see wiring diagram that came with the panel and/or was
submitted for that job)
8.
verify that the AC System to which the humidifi
and running. Make sure it is running at the expected speed and
volume as scheduled in the Submittals and on the Humidifier
Schedule. If the volume (CFM) is more than 20% different than what
was planned for during the design and s
Start Up Procedure:
Verify Piping connections
:
double check the inlet and outlet water connections to the system
either at the generator panel or at the S
TS box. Connections should
open up any shut off valves up stream to the water inlet and make sure
that, with the water charged, there are no leaks while the System is off.
now check the fogging inlet and outlet connections from the UPC t
(these are typically 3” or 2” connections). Make sure that the hose
couplings are tightened.
evaluate the installing contractor’s piping from the fogging outlet
connection to the DTA and make sure it isn’t excessively long (in
excess of 10’) and
that no ‘traps’ have been created in the piping
where condensate can accumulate without a drain. (please note
typical steam piping practices should be utilized when piping a fogging
supply line; i.e. don’t create traps and do use the manufacturers
mmended pipe size)
if a vertical header DTA was used make sure the drain connection at
the bottom of the header has been connected to a drain.
Turning the System On:
go to the control panel and make sure the panel on/off switch is off.
open up the
control panel and make sure the circuit breaker (CB) is off
if CB is showing green then the CB is in the ‘off’ position. If it is
showing ‘red’ it is in the ‘on’ position and power will pass through the
now remove the fuse on the 48VAC transformer a
nd hold on to it or
place it nearby.
verify that the 120V line to the panel is connected and live.
verify that the Air Flow switch is installed and wired appropriately to the
proper terminals in the control panel (see wiring diagram that came
with the pan
el and/or was submitted for that job)
verify that the Hi
-
Limit switch is installed and has been wired back to
the proper terminals in the control panel (see wiring diagram that came
with the panel and/or was submitted for that job)
verify that the controll
ing humidity sensor (if supplied by GAS) has
been installed and has been wired back to the proper terminals in the
control panel (see wiring diagram that came with the panel and/or was
submitted for that job)
verify that the AC System to which the humidifi
er is connected to is on
and running. Make sure it is running at the expected speed and
volume as scheduled in the Submittals and on the Humidifier
Schedule. If the volume (CFM) is more than 20% different than what
was planned for during the design and s
izing of the humidifier please
5
double check the inlet and outlet water connections to the system
–
TS box. Connections should
open up any shut off valves up stream to the water inlet and make sure
that, with the water charged, there are no leaks while the System is off.
now check the fogging inlet and outlet connections from the UPC t
ank
(these are typically 3” or 2” connections). Make sure that the hose
evaluate the installing contractor’s piping from the fogging outlet
connection to the DTA and make sure it isn’t excessively long (in
that no ‘traps’ have been created in the piping
where condensate can accumulate without a drain. (please note
–
typical steam piping practices should be utilized when piping a fogging
supply line; i.e. don’t create traps and do use the manufacturers
if a vertical header DTA was used make sure the drain connection at
the bottom of the header has been connected to a drain.
go to the control panel and make sure the panel on/off switch is off.
control panel and make sure the circuit breaker (CB) is off
if CB is showing green then the CB is in the ‘off’ position. If it is
showing ‘red’ it is in the ‘on’ position and power will pass through the
nd hold on to it or
verify that the 120V line to the panel is connected and live.
verify that the Air Flow switch is installed and wired appropriately to the
proper terminals in the control panel (see wiring diagram that came
Limit switch is installed and has been wired back to
the proper terminals in the control panel (see wiring diagram that came
ing humidity sensor (if supplied by GAS) has
been installed and has been wired back to the proper terminals in the
control panel (see wiring diagram that came with the panel and/or was
er is connected to is on
and running. Make sure it is running at the expected speed and
volume as scheduled in the Submittals and on the Humidifier
Schedule. If the volume (CFM) is more than 20% different than what
izing of the humidifier please

call the Factory. Also make sure that the Cooling Cycle/Coil is off and
not operating when the humidifier is on. Remember
will be running in the winter time/heating season so in most cases the
cooling coil
are year around cooling loads
taken to turn off the cooling coil or control it differently than normal
when integrating a humidifier into the System.
9. Take
the wet switch safety and place it temporarily off the floor of the
Panel or STS Box. There should be enough of a tether on the wire
harness to allow you to hang it outside the panel/STS box or to hang it
at a higher position temporarily. Some models no
thick small section of plexiglass as a permanent resting plate for the
wet switch. If this is present then none of the above is required and
the Wet Switch can remain in it’s normal position.
10.
now turn the CB into the ‘on’ position.
11. now tu
rn on the panel door on/off switch. It is a lighted switch so it
should light up when in the ‘on’ position.
12.
with the panel turned on, if there is a controller provided with the
system it should become active and show figures on it’s display. The
figures
should correspond to both the actual humidity level and the
target set point humidity level. Make sure their respective readings
make sense and seem accurate for the time of year you are
conducting this start up.
Contr
oller go to the section in this Manual titled Controller.
13.
Assuming you have relevant readings on the controller raise the Set
Point humidity level to above what the actual humidity level is reading.
This is especially important when starting up the Syst
warmer or summer time conditions. For example
reading 58%Rh in the target space and your humidity winter
time/heating season target is 35%Rh then the Controller will not
energize the System to produce fog because the actua
humidity is 23 points above target. In this scenario you must adjust the
set point to an artificially high set point in order for the controller to
energize system.
14.
Once the controller is in a ‘call for humidification’ mode and the target
humidity set point is higher than the actual humidity level then the
system should begin preparing to humidify.
15.
Verify that water has begun to flow into the UPC tank. You should
have heard the solenoid valves energize. You can also check by
opening up t
model type.
16.
Verify that the Wet Switch is showing a ‘green’ lite.
17.
Verify that there are no leaks in the tubing within the Panel or STS box
as the water fills. (tubing may have gotten loosened
installation
Factory)
call the Factory. Also make sure that the Cooling Cycle/Coil is off and
not operating when the humidifier is on. Remember
–
will be running in the winter time/heating season so in most cases the
cooling coil
would not be on. For some applications and facilities there
are year around cooling loads
–
if this is the case then care must be
taken to turn off the cooling coil or control it differently than normal
when integrating a humidifier into the System.
the wet switch safety and place it temporarily off the floor of the
Panel or STS Box. There should be enough of a tether on the wire
harness to allow you to hang it outside the panel/STS box or to hang it
at a higher position temporarily. Some models no
w come with a ¼”
thick small section of plexiglass as a permanent resting plate for the
wet switch. If this is present then none of the above is required and
the Wet Switch can remain in it’s normal position.
now turn the CB into the ‘on’ position.
rn on the panel door on/off switch. It is a lighted switch so it
should light up when in the ‘on’ position.
with the panel turned on, if there is a controller provided with the
system it should become active and show figures on it’s display. The
should correspond to both the actual humidity level and the
target set point humidity level. Make sure their respective readings
make sense and seem accurate for the time of year you are
conducting this start up.
For more details and specifics on the
oller go to the section in this Manual titled Controller.
Assuming you have relevant readings on the controller raise the Set
Point humidity level to above what the actual humidity level is reading.
This is especially important when starting up the Syst
em during
warmer or summer time conditions. For example
–
if the controller is
reading 58%Rh in the target space and your humidity winter
time/heating season target is 35%Rh then the Controller will not
energize the System to produce fog because the actua
humidity is 23 points above target. In this scenario you must adjust the
set point to an artificially high set point in order for the controller to
energize system.
Once the controller is in a ‘call for humidification’ mode and the target
humidity set point is higher than the actual humidity level then the
system should begin preparing to humidify.
Verify that water has begun to flow into the UPC tank. You should
have heard the solenoid valves energize. You can also check by
opening up t
he top latches of the UPC tank if it is a side inlet and outlet
model type.
Verify that the Wet Switch is showing a ‘green’ lite.
Verify that there are no leaks in the tubing within the Panel or STS box
as the water fills. (tubing may have gotten loosened
during shipping or
installation
–
all Systems are live tested before they ship from the
6
call the Factory. Also make sure that the Cooling Cycle/Coil is off and
the humidifier
will be running in the winter time/heating season so in most cases the
would not be on. For some applications and facilities there
if this is the case then care must be
taken to turn off the cooling coil or control it differently than normal
the wet switch safety and place it temporarily off the floor of the
Panel or STS Box. There should be enough of a tether on the wire
harness to allow you to hang it outside the panel/STS box or to hang it
w come with a ¼”
thick small section of plexiglass as a permanent resting plate for the
wet switch. If this is present then none of the above is required and
rn on the panel door on/off switch. It is a lighted switch so it
with the panel turned on, if there is a controller provided with the
system it should become active and show figures on it’s display. The
should correspond to both the actual humidity level and the
target set point humidity level. Make sure their respective readings
make sense and seem accurate for the time of year you are
For more details and specifics on the
oller go to the section in this Manual titled Controller.
Assuming you have relevant readings on the controller raise the Set
Point humidity level to above what the actual humidity level is reading.
em during
if the controller is
reading 58%Rh in the target space and your humidity winter
time/heating season target is 35%Rh then the Controller will not
energize the System to produce fog because the actua
l space relative
humidity is 23 points above target. In this scenario you must adjust the
set point to an artificially high set point in order for the controller to
Once the controller is in a ‘call for humidification’ mode and the target
humidity set point is higher than the actual humidity level then the
Verify that water has begun to flow into the UPC tank. You should
have heard the solenoid valves energize. You can also check by
he top latches of the UPC tank if it is a side inlet and outlet
Verify that there are no leaks in the tubing within the Panel or STS box
during shipping or
all Systems are live tested before they ship from the

18.
Depending on what kind of water pressure is available in the Facility,
the System should take about 3
proper level for fog
the green panel lite labeled ‘Fog On’ will lite up.
19.
When the green ‘Fog On’ lite come on
On/Off Switch on the panel door and at the CB. Now re
into it’s hol
der on the 48VAC transformer. Go ahead and turn on the
CB and On/Off switch on the Panel Door.
20.
You should now hear, when standing very close to the UPC Tank, the
System operating. It should sound like water bubbling within the tank.
If this is the case
operating properly.
21. Re-
check the Panel or STS Box for any leaks
22.
Now go to an air diffuser on the AC System being humidified and take
a humidity reading. It should read several point
space RH is.
23.
Now several additional tests need to be done prior to completion of the
Start Up.
(a) Have the AC System turned off and verify that the Humidifier turns
off as well as air flow stops.
(b) With the AC System back on, if pos
and lower its setting to as low as it can go. The switch should open
and cause the humidifier to shut down. Verify that this is the case.
Then raise it back up to 75%Rh setting. The System should come
back on.
(c) When
the System is turned off the water from the UPC tank should
slowly drain out of the tank. Verify that this is indeed happening with
the System off.
(d) If an artificially higher target humidity set point was used for the
controller then lower the target
setting and verify that the humidifier de
(e) When the system is off and draining and has been doing so for
several minutes, verify that there no continuity between terminal 15
and 10. (for
connections on Relay 3). If there is
measuring the continuity again. When the tank has largely emptied
then 15 and 10 should have no continuity. If there is still contin
the Factory and do NOT turn the system on again.
24.
Allow the System to run for a while. Anywhere from 30 minutes to 1.5
hours when starting it up. Or if it is during the heating season and
there is currently a need for humidification then leave t
25.
Finally, make sure the Wet Switch is back in it’s location and showing a
‘green’ lite.
Depending on what kind of water pressure is available in the Facility,
the System should take about 3
–
7 minutes to fill the tank to the
proper level for fog
generation. When it does reach the proper level
the green panel lite labeled ‘Fog On’ will lite up.
When the green ‘Fog On’ lite come on
–
turn off the System at both the
On/Off Switch on the panel door and at the CB. Now re
der on the 48VAC transformer. Go ahead and turn on the
CB and On/Off switch on the Panel Door.
You should now hear, when standing very close to the UPC Tank, the
System operating. It should sound like water bubbling within the tank.
If this is the case
then you are generating fog and the system is
operating properly.
check the Panel or STS Box for any leaks
–
there should be none.
Now go to an air diffuser on the AC System being humidified and take
a humidity reading. It should read several point
s above what the
space RH is.
Now several additional tests need to be done prior to completion of the
(a) Have the AC System turned off and verify that the Humidifier turns
off as well as air flow stops.
(b) With the AC System back on, if pos
sible, locate the HiLimit switch
and lower its setting to as low as it can go. The switch should open
and cause the humidifier to shut down. Verify that this is the case.
Then raise it back up to 75%Rh setting. The System should come
the System is turned off the water from the UPC tank should
slowly drain out of the tank. Verify that this is indeed happening with
the System off.
(d) If an artificially higher target humidity set point was used for the
controller then lower the target
humidity set point back to it’s normal
setting and verify that the humidifier de
-
energizes appropriately.
(e) When the system is off and draining and has been doing so for
several minutes, verify that there no continuity between terminal 15
and 10. (for
earlier models you can measure this right at the coil
connections on Relay 3). If there is
–
wait awhile longer before
measuring the continuity again. When the tank has largely emptied
then 15 and 10 should have no continuity. If there is still contin
the Factory and do NOT turn the system on again.
Allow the System to run for a while. Anywhere from 30 minutes to 1.5
hours when starting it up. Or if it is during the heating season and
there is currently a need for humidification then leave t
Finally, make sure the Wet Switch is back in it’s location and showing a
‘green’ lite.
7
Depending on what kind of water pressure is available in the Facility,
7 minutes to fill the tank to the
generation. When it does reach the proper level
turn off the System at both the
On/Off Switch on the panel door and at the CB. Now re
-insert the fuse
der on the 48VAC transformer. Go ahead and turn on the
You should now hear, when standing very close to the UPC Tank, the
System operating. It should sound like water bubbling within the tank.
then you are generating fog and the system is
there should be none.
Now go to an air diffuser on the AC System being humidified and take
s above what the
Now several additional tests need to be done prior to completion of the
(a) Have the AC System turned off and verify that the Humidifier turns
sible, locate the HiLimit switch
and lower its setting to as low as it can go. The switch should open
and cause the humidifier to shut down. Verify that this is the case.
Then raise it back up to 75%Rh setting. The System should come
the System is turned off the water from the UPC tank should
slowly drain out of the tank. Verify that this is indeed happening with
(d) If an artificially higher target humidity set point was used for the
humidity set point back to it’s normal
energizes appropriately.
(e) When the system is off and draining and has been doing so for
several minutes, verify that there no continuity between terminal 15
earlier models you can measure this right at the coil
wait awhile longer before
measuring the continuity again. When the tank has largely emptied
then 15 and 10 should have no continuity. If there is still contin
uity call
Allow the System to run for a while. Anywhere from 30 minutes to 1.5
hours when starting it up. Or if it is during the heating season and
there is currently a need for humidification then leave t
he system on.
Finally, make sure the Wet Switch is back in it’s location and showing a

V)
Sequence of Operation:
A. Building Automation Control (BA
signal is sent to the RAH-1
000 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.
C
ontrol 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 (BA
S) Control: With BA
S 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 whe
n 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 configurat
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.
ontrol logic will energize the normally clo
sed 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 swit
ch
(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 fur
nish and install them. If your model has a timer delay
relay go to that section in this Manual for more i
nformation.
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

TROUBLE SHOOTING SECTION
1.
No Power or Lites When Unit is turned on
breaker in the wiring
circuitry. Make sure the breaker is turned on and there are fuses
located at each of the transformers in the Control Panel.
2.
Power is on but no fog is produced:
a.
Verify that the water valves are open.
b.
Verify that the digital controller
lite value (target humidity set point) than the red, process value lite (actual
humidity level being read by the sensor). If the red value is above your target
then the required humidity levels have been satisfie
the humidifier to operate. To verify that the system is properly working
temporarily raise the set point to a higher value and make sure that the
humidifier
comes on.
c.
Verify that the air flow switch has closed after properly
moving in the duct.
d.
Check the Wet Switch and verify that the green LED on the switch is lit. If it is
red that means that moisture was sensed by the switch and there is a leak
tha
t must be fixed.
3.
Water is not filling into the Tank:
a.
Verify that the RO System is on line, i.e. the water valve is open and the
water filter housings have filled up and the unit is draining water as it makes
RO Water.
b.
Make sure the shut off v
then pressurize the system.
c.
Verify that you have at least 30
do not then a small booster pump may be required to supply adequate
pressure.
d. Ch
eck the temperature of the incoming water supply. If it is real cold, near or
below 40F, then the RO s
e. Check the pre-
filters and make sure they are not clogged and filled with dirt
and debris. It is not uncommon
water initially as the domestic water supplies come on line. This dirt and
suspended solids can sometimes prematurely clog the filters. If this is the
case call the factory for replacement filters.
4. Ve
rifying that the Unit is Humidifying:
a.
Keep track of the Panel mounted controller readings to see if the humidity is
rising.
TROUBLE SHOOTING SECTION
No Power or Lites When Unit is turned on
: There are fuses and an overall circuit
circuitry. Make sure the breaker is turned on and there are fuses
located at each of the transformers in the Control Panel.
Power is on but no fog is produced:
Verify that the water valves are open.
Verify that the digital controller
, if the Humidifier has one,
has a higher green
lite value (target humidity set point) than the red, process value lite (actual
humidity level being read by the sensor). If the red value is above your target
then the required humidity levels have been satisfie
d and there is no need for
the humidifier to operate. To verify that the system is properly working
temporarily raise the set point to a higher value and make sure that the
comes on.
Verify that the air flow switch has closed after properly
sensing that air is
moving in the duct.
Verify that the HiLimit switch circuit is closed.
Check the Wet Switch and verify that the green LED on the switch is lit. If it is
red that means that moisture was sensed by the switch and there is a leak
t must be fixed.
Water is not filling into the Tank:
Verify that the RO System is on line, i.e. the water valve is open and the
water filter housings have filled up and the unit is draining water as it makes
Make sure the shut off v
alve on top of the water tank is open. This will fill and
then pressurize the system.
Verify that you have at least 30
-
35PSI of water pressure to work with. If you
do not then a small booster pump may be required to supply adequate
eck the temperature of the incoming water supply. If it is real cold, near or
below 40F, then the RO s
ystem may
not make sufficient water.
filters and make sure they are not clogged and filled with dirt
and debris. It is not uncommon
with new construction sites to have very dirty
water initially as the domestic water supplies come on line. This dirt and
suspended solids can sometimes prematurely clog the filters. If this is the
case call the factory for replacement filters.
rifying that the Unit is Humidifying:
Keep track of the Panel mounted controller readings to see if the humidity is
9
: There are fuses and an overall circuit
circuitry. Make sure the breaker is turned on and there are fuses
has a higher green
lite value (target humidity set point) than the red, process value lite (actual
humidity level being read by the sensor). If the red value is above your target
d and there is no need for
the humidifier to operate. To verify that the system is properly working
temporarily raise the set point to a higher value and make sure that the
sensing that air is
Verify that the HiLimit switch circuit is closed.
Check the Wet Switch and verify that the green LED on the switch is lit. If it is
red that means that moisture was sensed by the switch and there is a leak
Verify that the RO System is on line, i.e. the water valve is open and the
water filter housings have filled up and the unit is draining water as it makes
alve on top of the water tank is open. This will fill and
35PSI of water pressure to work with. If you
do not then a small booster pump may be required to supply adequate
eck the temperature of the incoming water supply. If it is real cold, near or
not make sufficient water.
filters and make sure they are not clogged and filled with dirt
with new construction sites to have very dirty
water initially as the domestic water supplies come on line. This dirt and
suspended solids can sometimes prematurely clog the filters. If this is the
Keep track of the Panel mounted controller readings to see if the humidity is

b.
Open up the Control Panel and observe the tank and if you see a cloudy, wet
tank along with the gurgling noise of water then
fog.
If the tank is clear and you can see to the bottom of it then it is not
working.
c.
For verifying the amount of moisture being produced measure the air
conditions before the DTA and then downstream of it. You should m
both a decrease in dry bulb temperature and an increase in relative humidity.
Plot these on a Psychometric chart or call the Factory for further interpolation.
5.
Low Humidity conditions continue to persist
a.
Moisture migrates very quickly.
humidified zone are closed or not opened long. Make sure no new or un
fore
seen sources of outside air have been introduced to the space being
humidified as this will increase the load on the humidifier.
b. Verify t
hat the blower fan is turning on when there is a call for humidification
and not just when there is a call for heat. There is a dry contact relay in the
panel for exactly this purpose. Contact the Installer to verify that he utilized
this relay and that
has been set up to run the fan only when there is a call for humidification.
Also make sure that the necessary zone dampers are also opening to allow
moisture to be delivered to the appropriate space
c.
Make sure the air filters to the furnace/blower/heat pump are not completely
clogged and restricting air flow.
d.
Verify that the amperage draw for the 120VAC and 48VAC side of the circuits
are at or near the rated amount for that system. If it is
ratings then some of the UPC
this is the case.
6. Unit is Cycling –
the fill solenoid valve is going on and off too frequently as well as the
‘Fog On’ lite.
a.
Check water supply
to fill the tank. Open the tank and observe the rate of fill
b.
Verify that the RO System has had ample time to charge the system (this can
take several hours depending on the
supply piping to the humidifiers.
c.
Ensure that there is enough ‘house’ pressure in the domestic water supply
that feeds the RO System. A minimum of 35 PSI is required.
Open up the Control Panel and observe the tank and if you see a cloudy, wet
tank along with the gurgling noise of water then
the unit is definitely making
If the tank is clear and you can see to the bottom of it then it is not
For verifying the amount of moisture being produced measure the air
conditions before the DTA and then downstream of it. You should m
both a decrease in dry bulb temperature and an increase in relative humidity.
Plot these on a Psychometric chart or call the Factory for further interpolation.
Low Humidity conditions continue to persist
:
Moisture migrates very quickly.
Make sure all windows and doors to the
humidified zone are closed or not opened long. Make sure no new or un
seen sources of outside air have been introduced to the space being
humidified as this will increase the load on the humidifier.
hat the blower fan is turning on when there is a call for humidification
and not just when there is a call for heat. There is a dry contact relay in the
panel for exactly this purpose. Contact the Installer to verify that he utilized
this relay and that
the control sequence on the blower system or heat pump
has been set up to run the fan only when there is a call for humidification.
Also make sure that the necessary zone dampers are also opening to allow
moisture to be delivered to the appropriate space
s.
Make sure the air filters to the furnace/blower/heat pump are not completely
clogged and restricting air flow.
Verify that the amperage draw for the 120VAC and 48VAC side of the circuits
are at or near the rated amount for that system. If it is
below the labeled
ratings then some of the UPC
circuits are not functioning. Call the Factory if
the fill solenoid valve is going on and off too frequently as well as the
Check water supply
– th
is situation happens when there is not enough water
to fill the tank. Open the tank and observe the rate of fill
–
it will be very slow.
Verify that the RO System has had ample time to charge the system (this can
take several hours depending on the
quantity and distance of pipe in the RO
supply piping to the humidifiers.
Ensure that there is enough ‘house’ pressure in the domestic water supply
that feeds the RO System. A minimum of 35 PSI is required.
10
Open up the Control Panel and observe the tank and if you see a cloudy, wet
the unit is definitely making
If the tank is clear and you can see to the bottom of it then it is not
For verifying the amount of moisture being produced measure the air
conditions before the DTA and then downstream of it. You should m
easure
both a decrease in dry bulb temperature and an increase in relative humidity.
Plot these on a Psychometric chart or call the Factory for further interpolation.
Make sure all windows and doors to the
humidified zone are closed or not opened long. Make sure no new or un
-
seen sources of outside air have been introduced to the space being
hat the blower fan is turning on when there is a call for humidification
and not just when there is a call for heat. There is a dry contact relay in the
panel for exactly this purpose. Contact the Installer to verify that he utilized
the control sequence on the blower system or heat pump
has been set up to run the fan only when there is a call for humidification.
Also make sure that the necessary zone dampers are also opening to allow
Make sure the air filters to the furnace/blower/heat pump are not completely
Verify that the amperage draw for the 120VAC and 48VAC side of the circuits
below the labeled
circuits are not functioning. Call the Factory if
the fill solenoid valve is going on and off too frequently as well as the
is situation happens when there is not enough water
it will be very slow.
Verify that the RO System has had ample time to charge the system (this can
quantity and distance of pipe in the RO
Ensure that there is enough ‘house’ pressure in the domestic water supply
that feeds the RO System. A minimum of 35 PSI is required.

PREVENTATIVE MAINTENANCE:
I. Humidifier Control Panel:
A) Every 2 – 3 years:
1.
at the end or beginning of the season
the inside of the tank with a clean and non
down each of the discs as well. To take the tank l
pipe coupling (and inlet supply if the unit is a supply side unit) then loosen
all the wing nuts and disconnect the fan wires at either the terminal or at the
fan.
Total time estimated:
B) Every 5 years:
1. verify the output is adequate by observing the unit under operation and
making sure all the UPC discs that should be running are indeed doing so.
You may do this by observing the operation with a flash light and peering
through the plastic lid or takin
the unit on briefly (for 3
NOT EVER JUMP OUT THE LOW WATER FLOAT SWITCHES.
2. remember that the 1000 series
To d
etermine whether how many are on line for your particular unit
how many pairs of #6 and #7 wires are attached to the terminal switch. You
may have one or two spare banks (each bank has a capacity of
approximately 3 lbs/hr of gross fog productio
load for your unit. If you observe any non
add one of the spare banks by attaching their #6 & #7 lines to the terminals.
3. replace the float switch tank. Call the Factory for a replacement.
II. RO System:
A) Annually:
1. Replace the filters and the membrane on the RO Plant.
Total time estimated:
PREVENTATIVE MAINTENANCE:
at the end or beginning of the season
take the tank lid off and wipe down
the inside of the tank with a clean and non
-
abrasive rag. Make sure to wipe
down each of the discs as well. To take the tank l
id off disconnect the supply
pipe coupling (and inlet supply if the unit is a supply side unit) then loosen
all the wing nuts and disconnect the fan wires at either the terminal or at the
Total time estimated:
30 Minutes
1. verify the output is adequate by observing the unit under operation and
making sure all the UPC discs that should be running are indeed doing so.
You may do this by observing the operation with a flash light and peering
through the plastic lid or takin
g the lid off (see above instructions) and turning
the unit on briefly (for 3
–
5 seconds) WATER MUST BE IN THE TANK
NOT EVER JUMP OUT THE LOW WATER FLOAT SWITCHES.
2. remember that the 1000 series
can have multiple
output levels possible.
etermine whether how many are on line for your particular unit
how many pairs of #6 and #7 wires are attached to the terminal switch. You
may have one or two spare banks (each bank has a capacity of
approximately 3 lbs/hr of gross fog productio
n) depending on the required
load for your unit. If you observe any non
-
performing UPCs then you may
add one of the spare banks by attaching their #6 & #7 lines to the terminals.
3. replace the float switch tank. Call the Factory for a replacement.
1. Replace the filters and the membrane on the RO Plant.
Total time estimated:
15 minutes
11
take the tank lid off and wipe down
abrasive rag. Make sure to wipe
id off disconnect the supply
pipe coupling (and inlet supply if the unit is a supply side unit) then loosen
all the wing nuts and disconnect the fan wires at either the terminal or at the
1. verify the output is adequate by observing the unit under operation and
making sure all the UPC discs that should be running are indeed doing so.
You may do this by observing the operation with a flash light and peering
g the lid off (see above instructions) and turning
5 seconds) WATER MUST BE IN THE TANK
– DO
NOT EVER JUMP OUT THE LOW WATER FLOAT SWITCHES.
output levels possible.
etermine whether how many are on line for your particular unit
simply see
how many pairs of #6 and #7 wires are attached to the terminal switch. You
may have one or two spare banks (each bank has a capacity of
n) depending on the required
performing UPCs then you may
add one of the spare banks by attaching their #6 & #7 lines to the terminals.
3. replace the float switch tank. Call the Factory for a replacement.

12

13

14

15

16

17

18

19

NOTES:
- DENOTES ITEM LOCATION OUTSIDE OF CONTROLPANEL/GENERATOR.
On/Off
Circuit
Breaker
7.5Amp
L1
120VAC
24VAC
1
3
120VAC
48VAC
10Amp
Fuse
3
7
5
Scale: 1" - 3"
Remote Control
Wiring
RAU - LAB UNIT
Date: 07/7/14
Issue: 02 Rev: 01
CR4
2
910
N
2
120V/1PH
Power On
R
96 VA
7
6
UPC
TANK
32
WET
SWITCH
9
40 VA
10
WIRING FOR RAH-SAU LAB UNIT WITH VECTOR CONTROLLER
G
Fog On
Fill
SV-2
11
A
17B
Low Water
CR3
NC
WET SWITCH R
WS
12B
CR3
CR4
FLOAT SWITCH
SAFETY CR3
HHLS FLS LLS CR2
CR2
CR2
12
13 17
15
16 18 21
19 10
13
Drain
SV-1
NO
FCR
CR1
HI
LIMIT
1111
Hour Meter
VECTOR TERMINAL BOARD
8765432 1
9 10
JUMPER
24 FAN
HUMIDITY
CONTROLLER
9
CR-124
CONTROLLER
INTERNALRELAY
9
12A