Honeywell Ventilation Hood W8150 User Manual

Y8150 Fresh Air Ventilation System,  
W8150 Fresh Air Ventilation Control  
PRODUCT DATA  
FEATURES  
Designed to help meet local ventilation codes and  
standards, including ASHRAE 62.2-2010 standard,  
“Ventilation and Acceptable Indoor Air Quality in  
Low-Rise Residential Buildings.”  
Microcontroller optimizes the air delivery schedule to  
make efficient use of normal HVAC run times.  
Easy-to-use input dials allow customized ventilation  
for each installation.  
Test mode that includes immediate feedback to  
installer to confirm that air delivery requirements of  
selected ventilation standard are being met.  
Economical supply-only ventilation; works with forced  
air system.  
Can be used with other equipment, such as an HRV/  
ERV, for balanced ventilation.  
APPLICATION  
IMPORTANT  
Please read these instructions and keep them in your  
records.  
The Y8150 Fresh Air Ventilation System, W8150 Fresh Air  
Ventilation Control provide fresh air to a home. The control  
operates a fresh air intake damper and, when necessary,  
activates the main HVAC blower to efficiently meet ASHRAE  
ventilation rates.  
68-0282-07  
 
Y8150 FRESH AIR VENTILATION SYSTEM, W8150 FRESH AIR VENTILATION CONTROL  
XFMR  
1
2
G
F
R
C
20  
19  
RC  
CC  
3
C
H
4
18  
17  
W
5
GT  
6
7
16  
15  
8
9
10  
14  
11  
12  
BEDROOMS  
AREA (SQFT)  
VENT AIRFLOW (CFM)  
13  
M19990  
W8150 QUICK GUIDE  
No.  
Name  
Description  
Function  
1
GF  
Equipment fan  
Allows W8150 to pass thermostat calls and, when necessary, turn on  
system fan for ventilation. This should be the only connection to G on the  
HVAC equipment.  
2
3
4
RC  
CC  
CH  
24 Vac cooling system  
power  
Provides power to GF terminal to operate system fan, when necessary.  
24 Vac cooling system  
common  
Allows W8150 to monitor when system fan is energized.  
24 Vac heating system  
common  
Allows W8150 to monitor thermostat heat calls when W is energized.  
Allows W8150 to monitor when heating is energized.  
5
6
W
Heating  
GT  
Thermostat (or other  
control) fan terminal  
Allows W8150 to monitor when GT is energized. All external equipment that  
controls the system fan should be wired to this terminal.  
7
Switch  
On (optimal ventilation)  
Override  
Off (Remote Only)  
On (optimal ventilation) – W8150 ventilates, based on control settings.  
Override – W8150 runs ventilation continuously.  
Off (Remote Only) – W8150 supplies ventilation only when there is a  
remote call.  
8
9
Light  
Light  
DIP1  
DIP2  
Green  
Indicates device is powered and operating normally. Used in Test Mode to  
signal if dial settings meet chosen standard.  
Red  
Indicates the device is not operating normally. Used in Test Mode to signal  
if dial settings do not meet chosen standard.  
10  
11  
Ventilation limit  
Ventilation standard  
Choose between 60% (default) and 100% maximum fan run time allowed  
by W8150 for ventilation.  
Choose between ASHRAE 62.2 (default) and 62-1999 ventilation  
standards.  
12  
13  
BEDROOMS Number of bedrooms  
Used to calculate amount of ventilation necessary.  
Used to calculate amount of ventilation necessary.  
AREA  
Square footage of  
conditioned space  
(SQ FT)  
14  
15  
VENT  
AIRFLOW  
(CFM)  
Air delivery rate through Used to calculate amount of ventilation necessary.  
fresh air duct.  
Test  
Test button  
W8150 checks dial and switch settings, activates ventilation for up to three  
minutes and provides feedback to validate if chosen standard can be met.  
3
68-0282—07  
 
Y8150 FRESH AIR VENTILATION SYSTEM, W8150 FRESH AIR VENTILATION CONTROL  
No.  
Name  
Description  
Function  
16  
REMOTE  
Remote switch (two  
terminals)  
24 Vac powered contacts allow a remote switch closure to call for  
ventilation.  
17  
AUX  
Auxiliary (two terminals) 24 Vac dry contacts allow W8150 to control an auxiliary device, such as  
exhaust fan or HRV/ERV, with a call for ventilation.  
18  
19  
DAMPER  
XFMR C  
Damper (two terminals) 24 Vac powered contacts control fresh air damper.  
24 Vac ventilation control Supplies power to W8150 and damper from transformer provided.  
common  
20  
XFMR R  
24 Vac ventilation control Supplies power to W8150 and damper from transformer provided.  
power  
Choosing a location…  
INSTALLATION  
When choosing locations for equipment, duct connections,  
and fresh air intake, be sure to consult local code  
requirements.  
A fresh air duct and damper must be installed between the  
outdoors and the return side of the HVAC equipment. The  
W8150 control will be mounted near the HVAC system and  
wired between the thermostat and the fan control.  
Device  
Number Component  
Location  
You will need…  
1
2
3
Fresh air intake Install away from known sources  
of pollutants such as auto  
W8150 Fresh Air Ventilation Control.  
damper.  
exhaust, dryer vent exhaust or  
chimney smoke.  
transformer.  
insulated ductwork.  
outdoor weather hood.  
starting collar.  
access to 120 Vac power.  
airflow measuring tool.  
Fresh air duct  
Damper  
Install between weather hood and  
upstream of equipment filter and  
downstream of any duct-mounted  
sensor.  
Install damper in fresh air duct,  
where convenient. Optionally,  
install heat recovery ventilator.  
TIPS:  
To meet ASHRAE 62.2-2010, system must have at least a  
MERV 6 filter installed.  
In cold climates, balanced ventilation is recommended. An  
exhaust fan or heat recovery ventilator can be used.  
Humid climates may require additional dehumidification  
equipment.  
4
5
6
Control  
Locate the control for convenient  
access and for easy wire routing.  
Transformer  
Filter  
Locate where convenient for line  
voltage connection.  
Locate filter downstream of fresh  
air intake.  
TYPICAL ATTIC  
INSTALLATION  
3
4
2
5
6
1
3
3
2
2
HRV/ERV  
1
1
4
4
tt
Ctr
t
onnou
e
o
l
TYPICAL BASEMENT  
INSTALLATION  
TYPICAL HRV/ERV  
INSTALLATION  
e  
t  
a
6
6
M19993  
68-0282—07  
4
 
Y8150 FRESH AIR VENTILATION SYSTEM, W8150 FRESH AIR VENTILATION CONTROL  
Installing fresh air damper, ducting,  
Wiring the control…  
and control…  
1. Disconnect power from HVAC system.  
2. Install the weather hood, ducting, and damper following  
local practices. Be sure all duct and insulation seams  
are tightly sealed.  
CAUTION  
Can cause personal injury or equipment damage.  
Disconnect power to all systems before beginning  
installation.  
Electrical Hazard.  
3. Mount the transformer and control.  
TIPS:  
1. Wire the control. See wiring diagrams in Fig. 1-10 as  
listed below. All wiring must comply with local codes,  
ordinances, and regulations.  
In general, larger ducting allows higher airflow, minimizes  
additional fan run time and may be needed for larger  
homes.  
Installing a damper directly to the return duct may be  
convenient to support the damper and reduce ducting.  
Fresh air connection should be downstream of sensors  
(such as a humidistat) in return air plenum.  
The EARD6 end stops can be used to reduce the amount  
of airflow in the duct. To prevent complete opening, loosen  
(but do not remove) the wing nut and move the upper lever  
until the desired position is reached. Tighten the wing nut.  
Keep the lower lever in the position shown.  
2. Reapply power to system and control.  
TIP:  
Control package allows wire routing through side slots and  
bottom openings.  
System Hookup Diagrams  
Fig. No. Page No.  
Single transformer, conventional  
Dual transformer, conventional  
Multi-stage, conventional  
1
2
3
4
5
10  
10  
10  
10  
11  
Heat pump without emergency heat  
Heat pump with emergency heat  
UPPER LEVER  
WING NUT  
Accessory Hookup Diagrams  
Wiring with a PC8900 Thermostat  
Wiring with a remote switch/timer  
Wiring to an HRV/ERV  
Fig. No. Page No.  
6
7
11  
11  
11  
11  
12  
8
Wiring an exhaust fan  
9
LOWER LEVER  
M20155  
Wiring a fan for a steam humidifier  
10  
5
68-0282—07  
 
Y8150 FRESH AIR VENTILATION SYSTEM, W8150 FRESH AIR VENTILATION CONTROL  
Measuring airflow…  
About the control settings…  
1. Make sure all HVAC system air filters are clean and  
installed.  
2. Push Test button:  
Dial Settings  
These settings allow the installer to customize the control to  
meet the ventilation requirements for the home.  
Control opens damper and turns on HVAC fan for  
three minutes.  
A red or green light is flashing; you can now measure  
airflow.  
Ventilation Standard  
Building codes are different everywhere. The W8150  
3. Follow instrument instructions for measuring airflow.  
Ventilation Control can be configured to operate based on:  
TIPS:  
ASHRAE 62.2.  
ASHRAE 62-1999  
You can exit the test mode at any time by pressing the test  
button again.  
See Conversion Table (located after wiring diagrams) for  
quick area and airflow setting conversions.  
For future reference, record the air flow on the inside of the  
device cover.  
Pitot Tubes and flow measuring stations are commonly  
used airflow measuring devices.  
TIP:  
Clear understanding of local codes and practices is  
required to make sure the ventilation system is installed  
and configured correctly. Generally, ASHRAE 62.2 control  
method is recommended and can meet many existing local  
codes.  
Code/Standard  
Setting  
General Ventilation  
Requirements  
ASHRAE 62.2  
Washington State Energy  
Code  
ASHRAE 62.2  
Canadian Building Code*  
Minnesota Energy Code  
ASHRAE 62.2  
62-1999  
2002 International  
Residential Code  
62-1999  
*In Canada, interlocking exhaust equipment  
may be required for balanced ventilation.  
Ventilation Limit  
This setting determines the maximum amount of time that the  
fan runs for ventilation.  
Ventilation Limit*  
60%  
ASHRAE 62.2  
1
2
100%  
62-1999  
Ventilation  
Standard  
BEDROOMS  
M22009  
Setting ventilation limit and ventilation standard.  
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Y8150 FRESH AIR VENTILATION SYSTEM, W8150 FRESH AIR VENTILATION CONTROL  
TIPS:  
Setting the control...  
Ventilation control reads new dial setting only when test  
button is pushed or power is cycled. To ensure dial settings  
are read, push test button after any changes are made.  
For single bedroom homes, set the bedrooms dial to 2 (this  
may result in more ventilation than the minimum required).  
For homes having more than five bedrooms and only a  
single ventilation system, set the bedrooms dial to 5 (this  
may result in less ventilation than the minimum required).  
For conditioned square feet, set area (sq ft) dial to the  
nearest value.  
For airflow, set airflow (cfm) dial to the nearest value.  
Vaulted ceilings do not need to be considered when setting  
this control.  
For homes with multiple systems: Honeywell recommends  
a ventilation control and fresh air intake for each system.  
Measure ventilation airflow for each system independently.  
Refer to Multi-system Setup Example for further details.  
1. Be sure power is turned on.  
2. Set the Ventilation Standard on the control.  
3. Set the bedrooms dial.  
4. Set the area (sq ft) dial.  
5. Set the airflow (cfm) dial.  
6. Press the test button and observe the lights:  
Green light is flashing.  
The dial settings meet the chosen standard.  
Red light is flashing.  
There is not enough fresh air delivered to meet the  
requirements of the selected standard. See  
Troubleshooting section.  
7. Record settings on the label inside the cover as shown  
in the diagram.  
Date installed:________________________  
W8150A 1001  
Ventilation Limit*  
G
F
R
24 VAC  
XFRM  
R
C
C
C
C
H
C
60%  
ASHRAE 62.2  
1
2
100%  
62-1999  
HVAC  
Stat  
DMP  
DMP  
AUX  
AUX  
REM  
REM  
Damper  
Ventilation  
Standard  
Installer  
Test  
W
ERV/Fan  
GT  
Timer/Switch  
_________  
bedrooms  
_________  
area (sq. ft.)  
Record settings above  
_________  
airflow (cfm)  
Date installed:________________________  
Ventilation Limit*  
W
8150A 1001  
GF  
RC  
R
C
24 VAC  
XFRM  
60%  
ASHRAE 62.2  
1
2
100%  
62-1999  
HVAC CC  
CH  
DMP  
DMP  
AUX  
AUX  
REM  
REM  
Damper  
Ventilation  
Standard  
Installer  
Test  
W
ERV/Fan  
Stat GT  
Timer/Switch  
_________  
bedrooms  
_________  
area (sq. ft.)  
_________  
airflow (cfm)  
Reco  
r
d
setting  
Para espa  
*See Instructions Voir mode d'emploi en français inclus  
s
above  
Honeywell  
Golden Valley, MN 55422  
or call 1-800-468-1502  
ñol ver las instrucciones  
50001159-001 Rev.  
A
M19991  
Customizing the ventilation control.  
7
68-0282—07  
 
Y8150 FRESH AIR VENTILATION SYSTEM, W8150 FRESH AIR VENTILATION CONTROL  
CHECKOUT  
In this section, make sure the ventilation system is operating  
correctly.  
TIP:  
W8150 Ventilation Control automatically exits test mode  
after three minutes.  
1. On thermostat, set Fan switch to Auto and System  
switch to Off.  
2. Set any remote switches throughout the house in the  
Off position.  
3. On the W8150, set the control switch to Off (remote  
only).  
4. Press Test button for two seconds to enter test mode:  
A light on the control begins flashing.  
The HVAC system fan comes on.  
The damper moves to the Open position.  
5. Press the Test button again to exit test mode:  
No lights on the control are on.  
The HVAC system fan turns off.  
The damper returns to the closed position.  
6. Return the thermostat, ventilation control, and remote  
switches to the original settings.  
7. Refer to Troubleshooting section, if needed.  
TROUBLESHOOTING  
Problem  
Possible cause  
What to do  
Flashing red light  
during test mode  
Not enough airflow  
Measure airflow and check dial setting.  
See Problem: Not enough airflow.  
Ventilation on-time limit  
setting  
If the device is set to 60%: Set the ventilation control to 100% maximum  
on time. This allows the HVAC fan to run up to 100% of the time. It may be  
preferable to increase airflow.  
If the device is set to 100%: There is not enough airflow through the  
fresh air duct.  
Ventilation continues to occur according to the settings but chosen  
standard may not be met.  
(The current settings  
do not meet the  
selected ventilation  
requirement)  
Flashing red light  
during normal  
operation  
Low voltage  
Check the voltage from the transformer for at least 20 Vac. If voltage is  
OK, replace W8150 Control. If voltage is not OK, disconnect damper and  
remote switch connections and check again. If voltage does not return to  
at least 20 Vac, replace transformer.  
No light on ventilation No power to control  
control when switch  
set to:  
Verify 24 volt input to R and C terminals on ventilation control.  
Check wiring connections per appropriate system diagram and replace  
transformer, if necessary.  
On  
Override Off/  
Remote Only and a  
remote switch is on.  
Device malfunction  
Wiring  
Cycle power off to control for ten seconds and recheck. If control does not  
recover, replace ventilation control.  
HVAC fan does not  
come on after pressing  
Test button.  
Check wiring connections per appropriate system diagram.  
HVAC system does not  
have power  
Restore power to the HVAC system.  
68-0282—07  
8
 
Y8150 FRESH AIR VENTILATION SYSTEM, W8150 FRESH AIR VENTILATION CONTROL  
Problem  
Possible cause  
What to do  
HVAC fan is running all Device is set to override  
Move switch to On position to allow for automatic operation.  
the time  
Remote switch is on  
Adjust remote switch to desired position.  
Thermostat Fan switch is Normal operation.  
in On position  
HVAC system is running  
to satisfy heating or  
Normal operation.  
cooling requirements.  
Ventilation limit is set to  
100% ventilation limit.  
Set ventilation limit to 60%. The control may not be able to meet the  
recommended ventilation requirements.  
Increase ventilation airflow through fresh air duct and adjust settings.  
Low ventilation air flow.  
See Problem: Not enough airflow.  
Damper does not  
open during  
checkout or  
Damper does not  
close.  
Incorrectly wired.  
Check wiring connections per appropriate wiring diagram.  
Verify 24 Vac applied to actuator.  
Transformer output.  
Damper actuator motor  
failure or mechanical  
failure.  
Manually open damper and verify free movement; damper should return  
to closed position when no power is applied.  
If damper moves freely but does not operate when 24 volts is applied,  
replace damper actuator.  
If damper does not move freely, replace fresh air damper.  
Cooling compressor  
comes on when there  
is no cooling call from  
the thermostat.  
Incorrectly wired.  
Check wiring connections per appropriate system diagram.  
An isolation relay may be required when appliances are connected to the  
GT terminals on the ventilation control. (For an example, see wiring a fan  
for a steam humidifier diagram.)  
Not enough airflow  
Obstruction or duct size  
Check for obstructions in the fresh air duct and weather hood.  
Check for kinks in ductwork.  
Make sure all manual dampers are fully open.  
Make sure the stops on the EARD damper allow it to open fully.  
Increase duct size.  
Add a booster fan to the fresh air duct.  
NOTE: After any changes to the ductwork, repeat the Measuring Airflow  
section.  
9
68-0282—07  
 
Y8150 FRESH AIR VENTILATION SYSTEM, W8150 FRESH AIR VENTILATION CONTROL  
WIRING DIAGRAMS  
Consult thermostat Installation Instructions for alternate  
terminal designations.  
HVAC  
HVAC  
R
C
W1  
W2  
Y1  
Y2  
G
R
C
W
Y
G
W8150A  
G
R
C
C
F
C
C
H
W8150A  
GF  
RC  
CC  
CH  
W
G
T
W
G
T
R
RC  
C
W1  
W2  
Y1  
Y2  
G
System  
Heat  
AM  
Fan  
Tue  
Wake  
Room  
DST  
Auto  
R
RC  
W
Y
G
System  
Heat  
AM  
Fan  
Tue  
Wake  
Room  
M19996  
DST  
Auto  
Fig. 3. Multi-stage conventional system.  
M19994A  
Fig. 1. Single transformer, conventional system.  
HVAC  
HVAC  
R
C
Y
G
O
HEATING  
COOLING  
W8150A  
R
C
W
R
C
Y
G
G
R
C
C
F
C
C
H
W8150A  
GF  
RC  
CC  
CH  
W
G
T
W
G
T
R
RC  
W
Y
G
O/B  
System  
Heat  
AM  
Fan  
Tue  
Wake  
Room  
DST  
Auto  
NOTE:  
REMOVE FACTORY  
INSTALLED JUMPER  
BETWEEN CC AND CH  
ON W8150.  
R
RC  
W
Y
G
M19997A  
System  
Heat  
AM  
Fan  
Tue  
Wake  
Room  
DST  
Auto  
Fig. 4. Wiring heat pump without emergency heat.  
M19995A  
Fig. 2. Dual transformer, conventional system.  
68-0282—07  
10  
 
Y8150 FRESH AIR VENTILATION SYSTEM, W8150 FRESH AIR VENTILATION CONTROL  
HVAC  
W2  
AT120  
EARD-6  
R
C
Y
E
G
O
XFMR  
FAN TIMER  
R
W8150A  
W8150A  
GF  
RC  
CC  
CH  
C
V
e
n
t
il  
a
t
i
o
n
Control  
Auto  
Continuous  
Off  
(Remote Only)  
Service  
V
e
nt  
il  
a
t
i
o
n
Control  
W
G
T
M22000  
R
C
W1  
Y1  
W
2
E
G
O/B  
System  
Heat  
AM  
Fan  
Tue  
Wake  
Room  
DST  
Auto  
Fig. 7. Using a remote switch or timer.  
M19998A  
AT120  
HR150/ER150  
Fig. 5. Wiring heat pump with emergency heat.  
XFMR  
R
EARD-6  
W8900  
AT120  
W8150A  
C
RED  
BLACK  
V
e
n
tila  
tio  
n
Control  
Auto  
1
Continuous  
Off  
(Remote Only)  
FAN TIMER  
Service  
XFMR  
V
e
nt  
ila  
t
io  
n
Control  
®
R
C
W8150A  
RH  
RC  
NOTES:  
– BALANCE THE HRV/ERV TO 160 CFM OR LOWER.  
– SET VENTILATOR SPEED KNOB TO 0.  
HUM  
HUM  
VNT  
VNT  
M22001  
1
EARD DAMPER NOT USED WITH HRV/ERV.  
NOTE:  
Fig. 8. Wiring to an HRV/ERV.  
CONFIGURE PC8900 SO ALL VENT PROGRAM  
SETTINGS ARE OFF; THE VENT BUTTON ON THE  
PC8900 THEN SERVES AS A REMOTE AND THE W8150  
CONTROLS BACKGROUND VENTILATION.  
M19999  
EARD-6  
AT120  
EXHAUST FAN  
120 VAC  
Fig. 6. Wiring with a PC8900.  
XFMR  
R
C
W8150A  
L1  
V
e
n
t
il  
a
t
i
o
n
Control  
R8222  
Auto  
120  
VAC  
BLUE  
RED  
Continuous  
Off  
(Remote Only)  
Service  
V
e
nt  
ila  
ti  
o
n
Control  
L2  
BLUE  
BLACK  
AT120  
FAN TIMER  
M22002  
Fig. 9. Wiring an exhaust fan.  
11  
68-0282—07  
 
Y8150 FRESH AIR VENTILATION SYSTEM, W8150 FRESH AIR VENTILATION CONTROL  
100 cfm.  
HVAC  
CONVERSION TABLE  
R
C
W1  
W2  
Y1  
Y2  
G
W8150A  
GF  
RC  
CC  
CH  
Area  
Airflow  
sq ft  
1000  
1300  
1600  
1900  
2200  
2500  
2800  
3100  
3400  
3700  
4000  
4300  
4600  
sq m  
93  
cfm  
40  
lps  
19  
24  
28  
33  
38  
42  
47  
52  
57  
61  
66  
71  
76  
HE440  
FAN  
W
121  
149  
177  
204  
232  
260  
288  
316  
344  
372  
399  
427  
50  
G
T
60  
RED  
BLACK  
R8222  
70  
80  
90  
BLUE  
BLUE  
100  
110  
120  
130  
140  
150  
160  
R
RC  
C
W1  
W
2
Y1  
Y2  
G
System  
Heat  
AM  
Fan  
Tue  
Wake  
Room  
DST  
Auto  
M22021A  
Fig. 10. Wiring fan for a steam humidifier.  
Airflow  
Multi-System Setup Example  
6 in. duct  
(15.2 cm)  
7 in. duct  
(17.8 cm)  
Total square feet and bedrooms should be proportionately  
split between the ventilation controls based on sq ft served by  
each system regardless of where the bedrooms are located.  
cfm  
fpm  
ms  
1.0  
1.3  
1.6  
1.8  
2.1  
2.3  
2.6  
2.8  
3.1  
3.4  
3.6  
3.9  
4.1  
fpm  
ms  
40  
50  
204  
255  
306  
357  
407  
458  
509  
560  
611  
662  
713  
764  
815  
150  
187  
225  
262  
299  
337  
374  
412  
449  
486  
524  
561  
599  
0.8  
1.0  
1.1  
1.3  
1.5  
1.7  
1.9  
2.1  
2.3  
2.5  
2.7  
2.9  
3.0  
Example: 5,000 sq ft, six bedrooms:  
System 1:  
60  
serves 3200 sq ft,  
two bedrooms.  
fresh air intake measured at 127 cfm.  
70  
80  
System 2:  
90  
serves 1800 sq ft,  
four bedrooms  
fresh air intake measured at 98 cfm.  
100  
110  
120  
130  
140  
150  
160  
Set W8150 for System 1:  
3100 sq ft,  
four bedrooms  
130 cfm.  
Set W8150 for System 2:  
1900 sq ft,  
two bedrooms  
Automation and Control Solutions  
Honeywell International Inc.  
1985 Douglas Drive North  
Golden Valley, MN 55422  
Honeywell Limited-Honeywell Limitée  
35 Dynamic Drive  
® U.S. Registered Trademark  
© 2011 Honeywell International Inc.  
68-0282—07 T.D. Rev. 02-11  
Printed in U.S.A.  
Toronto, Ontario M1V 4Z9  
customer.honeywell.com  
 

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