Install Instructions

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AirCycler® g2

INSTALLATION & USER’S MANUAL

INTRODUCTION

In the past, homes depended on natural leaks for ventilation.

Today, energy efficient homes are built to reduce natural

ventilation and leaks. Inadequate ventilation can increase

indoor air pollutants to harmful levels. Indoor air quality

is typically 5 to 10 times more polluted than outside air.

Controlled ventilation provides adequate air flow to the

home without compromising its efficiency.

SAFETY CONSIDERATIONS

Read and follow manufacturer’s instructions carefully.

Follow all local electrical codes during installation. All

wiring must conform to local and national electrical codes.

Improper wiring or installation may result in personal injury

or product and property damage.

INSTALLATION CONSIDERATIONS

The AirCycler® g2 requires 24VAC (R and C terminals) to

be connected for proper operation. The controller will not

operate without these two connections.

The wires (R, C, & W ) from the air handler to the thermostat

can run parallel with the wiring from the AirCycler® g2 to

the air handler. The fan wire (G) must be interrupted by the

AirCycler® g2. Some thermostats do not require a common

which must be wired to the furnace.

DAMPER LOCATION

The fresh air damper can be located anywhere in the inlet

duct. Minimize the length of the inlet duct to improve air

flow and improve system efficiency. It is recommended

that the damper be as close to the return air plenum and

the AirCycler® g2 controller as possible, and the inlet duct

connect to the return plenum upstream of the system filter,

and down- stream of any duct mounted sensors.

DAMPER INSTALLATION

The damper may be installed in any position. It is

recommended to install it with the motor at the 12 o’clock

position if mounted horizontally. Air may flow through in

either direction, although it is recommended to install with

the crimped end as the outlet. Use care to avoid distorting

the damper housing and provide adequate support. Upon

system start up be sure to set damper power switch to

UP or AUTOMATIC position.

CHOOSE A FRESH AIR LOCATION

ASHRAE recommends that the fresh air intake be located

at least 10 ft. from any source of pollutants, such as auto

exhaust, dryer exhaust, exhaust from any fuel-burning

appliances, etc. Avoid installation near odor sources such as

garbage bins or barbecue grills. A minimum of 3 ft. above

ground is recommended to avoiding ingress of leaf litter,

grass clippings, etc. Do not use a crawl space, basement, or

attic as a source of intake air. Always be sure to comply with

local building codes and requirements regarding fresh air

inlets.

BATTERY (MODEL CR1220)

The AirCycler® g2 is equipped with a real time battery

backed-up clock for use with the Operation Hours

setting ONLY. If not setting the hours of operation, the

included battery is not required. All other settings are

saved in nonvolatile memory.

NORMAL OPERATION DISPLAY

• When the AirCycler® g2 is in Normal Operation,

the display will show the percentage of ventilation

complete for the current hour.

• If the central fan is on, the FAN and ON icon will be

illuminated.

• If the exhaust (bath) fan is on, the EXH icon will be

illuminated.

• If the outside fresh air damper is open, the OA icon will

be illuminated.

• If the exhaust fan is running its delay time after

bathroom occupancy, the delay time countdown, MIN

and EXH icons will be illuminated.

• If the thermostat is calling for heat or cool, the FAN

icon will be illuminated without the ON icon.

• The ON icon is only illuminated when the AirCycler® g2

has forced the central fan on. (Calculated Time Mode

Only)

• Press the MODE key at any time during normal

operation to set the current time of the day.

• If the EXH icon is blinking, it indicates the exhaust fan

has been on for more than 4 hours or the connection

to the AirCycler® g2 controller was lost.

APPENDIX B - Troubleshooting

Blank Display on the AirCycler® g2 controller.

Solution Check:

1. Confirm that the furnace has power.

2. Confirm that the thermostat is operational.

3. Confirm that the furnace will call for heat from the

thermostat.

4. Confirm that the fan operates with a fan only signal

from the thermostat

5. Confirm that the furnace is providing 24VAC to the

AirCycler® g2

6. Confirm the wiring conforms to the wiring diagram.

7. Make sure the cover is firmly seated on the base.

The AirCycler® g2 turns the furnace fan on and o, but

the motorized damper does not cycle.

Solution Check:

1. Confirm that the AirCycler® g2 is providing a 24VAC

signal to the motorized damper.

2. Confirm the 24 VAC motorized damper is operational

by powering directly with a 24 VAC signal

3. Verify there is continuity in the wiring between the

damper and the AirCycler® g2

4. Confirm damper power switch is in up or automatic

position

The A/C turns on during fan cycling calls

Solution Check:

1. Verify that the wiring conforms to the wiring diagram.

2. Confirm that the G wire is properly connected.

Note: The G wire must be interrupted by the AirCycler®

g2. Do not run the G wire in parallel.

The EXH icon is ashing.

This indicates the g2 controller has seen the

FanConnect™

exhaust fan on for more than 4 hours.

Solution Check:

1. Turn o exhaust fan.

2. Check wiring from FanConnect™ switch to g2

controller.

For more troubleshooting and frequently asked questions,

visit: www.aircycler.com/pages/troubleshooting

For Limited Warranty information please visit:

www.aircycler.com/products

Vnc - Normal Closed Vent

R - 24VAC Power

W - Heating

Gt - Fan From Thermostat

Gf - Fan to Furnace

C - Common

V - Vent

Ex - Exhaust Fan

Technical Support:

1.877.FAN.CONTrol

(1.877.326.2668)

Vnc Ex

THE EXHAUST

FAN IS ON

THE THERMOSTAT

HAS TURNED ON

THE CENTRAL FAN

THE AIRCYCLER® G2

HAS FORCED THE FAN

THE DAMPER

IS OPEN

PERCENTAGE OF

VENTILATION COMPLETE

Ventilation Products

VENTILATION MADE BREEZY!™

A BREEZE TO INSTALL • A BREEZE TO USE!

AIRCYCLER®

411 PLAIN STREET

MARSHFIELD, MA 02050

WWW.AIRCYCLER.COM

This product may be protected by one or more of the

following patents and patents pending: 8185244,

7258280, 6431268, 881806, 547017, Canada 2245135

Summary of content (2 pages)

PAGE 1
APPENDIX B - Troubleshooting Blank Display on the AirCycler® g2 controller. Solution Check: 1. Confirm that the furnace has power. 2. Confirm that the thermostat is operational. 3. Confirm that the furnace will call for heat from the thermostat. 4. Confirm that the fan operates with a fan only signal from the thermostat 5. Confirm that the furnace is providing 24VAC to the AirCycler® g2 6. Confirm the wiring conforms to the wiring diagram. 7. Make sure the cover is firmly seated on the base.
PAGE 2
1.0 INSTALLATION INSTRUCTIONS 3.0 CALCULATED TIME SETUP 1.1 CONTROLLER LOCATION The AirCycler® g2 controller can be installed near the thermostat or out of view on/near the air handler unit. 3.1 SET MINUTES/HOUR OF SUPPLY AIR REQUIRED Enter the minutes per hour that you require fresh air to be brought into the home. Factory default is 20 minutes. Warning: Before installing the AirCycler®, turn off all power to the furnace. There may be more than one power to disconnect.