Carrier KVACN0101AC User manual

Installation and User Guide

READ AND SAVE THESE INSTRUCTIONS

The illustrations in this document are generic; your control appearance may be slightly different from the ones shown.

INSTALLATION

1. Unplug the ventilation unit.

NOTE: If the control is to be installed in an electric box, go to step 5.

2. Cut a 27/8" x 1¾" hole in a wall, at a convenient location for the

control. Route a cable (type 22/4) for the control from the unit to

this hole.

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3. Temporarily place the control over the hole and mark both

mounting screw hole positions.

4. Remove the control, drill both screw holes (3/16" Ø) in wall and

insert the wall anchors (included).

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5. Strip the end of the cable to access the 4 wires (about 3"). Strip the

end of each wire (about 1/4"). Connect the wires to the terminals,

regardless of the wire color. Note which wire color has been chosen

for each terminal.

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6. Mount the control to the wall.

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KVACN0101(B,C)AC

Automatic Control

WARNING

ELECTRICAL SHOCK HAZARD

Failure to follow this warning could result in personal injury or death.

Electrical wiring must be done by qualified personnel in accordance

with all applicable codes and standards. Before connecting wires,

unplug the unit or switch power off at service panel and lock service

disconnecting means to prevent power from being switched on

accidentally. Always wear safety glasses and gloves while performing

these instructions.

CAUTION

PROPERTY DAMAGE HAZARD

Failure to comply with the following can cause damage.

If ducts have to go through an unconditioned space (e.g.: attic), always

use insulated ducts to prevent condensation formation inside and

outside ducts, which could cause material damage and/or mold growth.

Moreover, if fresh air to building duct and/or stale air from building

duct goes/go through an unconditioned space, the unit must be set to

operate continuously in cold conditions (below 10°C/50°F).

Continuous air movement inside ducts will prevent condensation

formation. The unit can be stopped temporarily for maintenance and/or

repair purposes in such conditions. (Refer to the main unit Installer

Manual for more details.)

A Carrier Company

Edition Date: 5/21 Catalog No: OM-KVACN-AC-01

Replaces: New

KVACN0101(B,C)AC: Installation and User Guide

Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.

7. Perform the electrical connection to the terminal connector of the

unit, as shown below. For more details, refer to the installation

manual of the ventilation unit.

NOTE: To avoid miswiring, refer to the notes taken at step 5 to match

the wire color with the right terminal.

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8. Plug the ventilation unit and test the wall control.

HOW TO USE THE CONTROL

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The main button works following this sequence:

Click 1 = RECIRC (if available)

Click 2 = INT

Click 3 = MIN

Click 4 = MED

Click 5 = MAX

Click 6 = OFF

and so on

The indicator lights up per the selected mode.

RECIRC—Recirculate air inside the house at MAX speed. Not

available on all units.

INT—Within a one hour period, the system will operate in MIN speed

for 20 minutes.

MIN/MED/MAX—Continuous exchange ventilation at selected speed.

• Press the TURBO button to get 4 hours of ventilation in MAX speed.

The TURBO indicator will light up. Once the 4-hour period is done,

the system will operate according to the previous setting.

• Press the AUTO button to let the system operate according to outdoor

temperature. The AUTO indicator will light up. The AUTO indicator

will light up and the system will operate as follows:

• Less than -25°C (-13°F) = 10 min/hr

• -25°C (-13°F) to -7°C (19°F) = 20 min/hr

• -7°C (19°F) to 10°C (50°F) = 40 min/hr

• 10°C (50°F) TO 25°C (77°F) = MIN speed

• 25°C (77°F) to 28°C (82°F) = 30 min/hr

• 28°C (82°F) to 33°C (91°F) = 20 min/hr

• Above 33°C (91°F) = 10 min/hr

• If the maintenance indicator is lit, it means that the filter needs to be

cleaned or replaced. Once the filter is cleaned or replaced, press the

AUTO button for five seconds to reset the maintenance indicator. If

the maintenance indicator flashes, the LCD screen on the unit will

give the error code. Refer to the Troubleshooting section in the

ventilation unit user guide for more information.

• At unit first boot, AUTO and TURBO indicators blink alternately for

about 1 minute. If indicators continue blinking after this period, it

means that the communication cannot be established with the

ventilation unit. Make sure wires are correctly connected to the wall

control and unit terminals (refer to step 7).

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