Panasonic FV-10VEC2R User manual

CONTENTS

GENERAL SAFETY INFORMATION

DESCRIPTION

UNPACKING

SUPPLIED ACCESSORIES

DIMENSIONS

WIRING DIAGRAM

WIRING METHOD

DUCTWORK

INSTALLATION (WALL MOUNT)

INSTALLATION (CHAIN MOUNT)

START-UP PROCEDURE

2~3

OPERATION 14~16

TROUBLESHOOTING 19

MAINTENANCE 17~18

SPECIFICATIONS

PRODUCT SERVICE

READ AND SAVE THESE INSTRUCTIONS

Thank you for purchasing this Panasonic product.

Please read these instructions carefully before attempting to install, operate or service the

Panasonic product. Please carefully read the “GENERAL SAFETY INFORMATION” (P.2~3) of

this manual before use. Failure to comply with instructions could result in personal injury or

property damage. Please explain to users how to operate and maintain the product after

installation, and this booklet should be presented to users.

Please retain this booklet for future reference.

BACK COVER

8~9

6~7

9~12

Installation and Operating Instructions

Energy Recovery Ventilator

FV-10VEC2RModel No.

This symbol is used to alert users not to disassemble the equipment.

When cutting or drilling into wall or ceiling, be careful not to damage electrical wiring

and other hidden utilities.

Canada only: Not to be installed in a ceiling thermally insulated to a value greater than

R40.

Never install the unit in a high humidity space, such as a bathroom, kitchen or laundry

room.

Do not disassemble the unit. It may cause fire or electric shock.

Use this unit only in the manner intended by the manufacturer. If you have any

questions, contact the manufacturer.

Installation work and electrical wiring must be performed by qualified person(s) in

accordance with all applicable codes and standards, including fire-rated construction.

Do not install with a method which is not approved in the instructions.

Ducted fans must always be vented to the outdoors.

Solid state controls may cause harmonic distortion which can cause motor humming

noise. To reduce the risk of fire or electric shock, do not use this unit with any solid-

state control device.

This symbol is used to alert users to a specific operating procedure that must be

followed in order to operate the unit safely.

This symbol is used to alert users to a specific operating procedure that must not be

performed.

This symbol is used to alert users to make sure of grounding when using the

equipment with the grounding terminal.

For Your Safety

Explanation of symbol word panels

To reduce the risk of injury, loss of life, electric shock, fire, malfunction, and damage to

equipment or property, always observe the following safety precautions.

The following symbols are used to classify and describe the type of instructions to be

observed.

The following symbol word panels are used to classify and describe the level of hazard, injury,

and property damage caused when the denotation is disregarded and improper use is

performed.

CAUTION

Denotes a potential hazard that could result in death or

serious injury.

Denotes a hazard that could result in minor injury.

Denotes a hazard that could result in property damage.

WARNING

GENERAL SAFETY INFORMATION

NOTICE

Ceiling joist and wall stud must be subjected to static load more than five times the

weight of the product.

The special-purpose or dedicated parts, such as mounting fixtures, must be used if such

parts are provided.

Do not kink the power cord.

The OA duct and EA duct must be connected directly to the outside.

Make certain that the electric service supply voltage is AC 120 V, 60 Hz.

These fans are intended for residential use only.

Do not install the unit where ducts are configured as shown below.

Adapter

Protect the power cord from sharp edges, oil, grease, hot surfaces, chemicals or other

objects.

When the product is to no longer be used, it must not be left in place but removed,

to prevent it from possibly falling.

Follow all local electrical and safety codes, as well as the National Electrical Code (NEC)

and the Occupational Safety and Health Act (OSHA).

Always disconnect the power source before working on or near the fan, motor, fixture

or wiring cover.

For general ventilating use only. Do not use to exhaust hazardous or explosive materials

and vapors.

Sufficient air is needed for proper combustion and exhausting of gases through the

flue (chimney) of fuel burning equipment to prevent backdrafting. Follow the heating

equipment manufacturer’s guideline and safety standards such as those published by

the National Fire Protection Association (NFPA), and the American Society for Heating

Refrigeration and Air Conditioning Engineers (ASHRAE) and the local code authorities.

Excessive bending Successive bending Squeezed duct Bend close to duct adapter

Disconnect power by switching off wall switch first, then main switch and unplug the

product before working on unit when replacing the jumper cable with wall switch.

Install the unit in the area where air temperature is above 50 °F (10 °C) to avoid

condensation in unit.

Do not install the unit in the area where the air stream temperature may exceed 104 °F

(40 °C).

The unit must be installed in a mechanical room, basement, or other conditioned space.

CAUTION

GENERAL SAFETY INFORMATION

NOTICE

The Panasonic Energy Recovery Ventilator (ERV) uses 2 blower fans driven by 2 DC motors.

The motor is designed to have an extended service life with reduced energy consumption.

It also incorporates a thermal-cutoff for safety.

The exhaust air (EA) duct includes an electric damper to prevent backdrafting. The outside

air (OA) duct includes an electric damper to prevent backdrafting.

Energy Recovery Introduction: Compared to an HRV (Heat Recovery Ventilator), the ERV can

also transfer humidity and recover energy from that humidity. The ERV can exchange energy

between the stale EA and the “fresh” OA, transferring heat and moisture into the incoming

cold air in a heating climate and pre-cooling and reducing the humidity of the incoming hot

air in a cooling climate. This tempering and treatment of the required ventilation air helps

maintain a fresh environment even when the heating or cooling system is not operating.

1Wall bracket

Part name Appearance Quantity

Unpack and remove unit carefully from carton.

Refer to the supplied accessories list to verify that all parts are presented.

Heat&

Moisture

Fresh air Fresh air

Exhaust air

(EA)

Outside air

(OA)

Exhaust air

(EA)

Outside air

(OA)

Stale air

Indoor

Stale air

Indoor

Outdoor Outdoor

Hanger

L plate

Installation and

operating instructions

Limited warranty

Plug cover

Screw

(M4X8)

Long screw

(ST4.2X20)

DESCRIPTION

SUPPLIED ACCESSORIES

UNPACKING

Heat&

Moisture

Unit:inches(mm)

DIMENSIONS

(150) Dia.

5 15/16 Dia.

(353.3)

13 7/8

(347.4)

13 11/16

13/16

(20.8)

12345

35 13/16 (909.6)

28 1/2 (723.6)

3 15/16

(99.2)

678910

1112

17 181615

(100) Dia.

3 15/16 Dia.

(151) Dia.

5 15/16 Dia.

(100) Dia.

3 15/16 Dia.

(117.9)

4 11/16

(584.6)

8 7/8 (225.6)

EA: Exhaust air

OA: Outside air

SA: Supply air

RA: Return air

Part nameNo. Part nameNo.

Frame cover

Power cord (length 70 7/8 (1800))

EA adapter

EA damper assy.

EA fan assy.

DC motor

Frame body

Maintenance plate

Wiring cover

SA adapter

RA filter

OA filter

RA adapter

OA adapter

Energy recovery core

Plug

OA damper assy.

Center damper assy.

SA fan assy.

Control panel

WIRING DIAGRAM

(1)The HVAC/AHU signal cord, wall switch cord, boost switch cord, wall switch and

boost switch are not supplied.

Note

WIRING

METHOD

Jumper cable

(2)The terminal of wall switch has been connected by jumper cable for factory default.

(3) If a wall switch is not used to power down the ERV note that cutting power by

unplugging the unit, and/or opening the frame cover to maintenance, will disallow

the unit to run a power down process; leaving the dampers in the open position.

This could increase the risk of cold air infiltration which may lead to frost forming in

the ERV.

(4) If you do not intend to run the product for more than 24 hours we recommend you

connect product with a wall switch to control the standby and running of the product.

WIRING

METHOD

1.Open the knock-out hole and remove

maintenance plate and wiring cover. (Fig.1)

4.Insert wires into the corresponding terminals deeply through the ribs. (Fig.1)

Make sure the screw of terminal securely fastens the copper wire and the copper

wire is not exposed.

5.Reinstall the wiring cover and maintenance plate.

If you are not connecting to the HVAC/AHU,

please open knock-out hole for wall switch

cord/boost switch cord connection only. (Fig.1)

Note

CAUTION

The capacity of wall switch, boost switch

should be more than 120 V~3 A to control

the power of the product.

2.Thread wall switch cord, boost switch cord and

HVAC/AHU signal cord (optional) through

conduits respectively and install the conduits

into knock-out holes. (Fig.1)

Wiring cover

Maintenance

plate

Knock-out hole for

HVAC/AHU signal

cord connection

Knock-out hole

for wall switch

cord and boost

switch cord

connection

Fig.1

Rib

Terminal

HVAC/AHU

signal cord

(optional)

Conduit

Wall switch

cord

(optional)

Boost switch

cord

(optional)

Note

Unit: inches (mm)

Wall switch cord/

HVAC/AHU signal cord/

Boost switch cord

Copper wire

1/4 (7)

3 1/2~4

(90~100)

3.Strip insulation cover for each wires as shown below.

Jumper cable

(1)The HVAC/AHU signal cord is optional,

please connect it when you want to control

the HVAC/AHU.

(2)

If connecting with HVAC/AHU, the HVAC/AHU

will turn on while ERV turns on.

(3)

If connecting with wall switch, please remove

the jumper cable first.

1.Mount wall bracket on stud with long screws

(ST4.2x20). (Fig.2)

This method can be used in stud as below.

INSTALLATION (WALL MOUNT)

Unit: inches (mm)

Note

(1)Attach with flanged edge facing outward

and edge without flange facing upward

when mounting wall bracket. (Fig.2)

(2)Choose the mounting hole on wall

bracket according to the distance

between studs.

2.Mount hanger on the back of frame body

with screws (M4X8) and mount L plate on the

two side of frame body with screws (M4X8).

(Fig.3)

24 (609.6)

16 (406.4)

19 (482.6)

Note

(1)When mount hanger , please attach with

the claw facing downward to frame body

that the side with power cord facing

upward.

(2)Choose the mounting hole according to

the distance between studs.

Unit: inches (mm)

A B

24 (609.6)

16 (406.4)

19 (482.6) 17 1/2 (444.5)

14 1/2 (368.3)

22 1/2 (571.5)

4-screws

(M4X8)

Hanger

Claw

Power cord

Fig.3

Unit: inches (mm)

4-long screws

(ST4.2x20)

Stud

Wall

bracket

Floor

Edge without

flange

>31 1/2 (800)

Fig.2

Stud

Flange

2-screws (M4X8)

L plate

5.Install plug covers into plugs on frame

cover. (Fig.6)

2-long screws

(ST4.2x20)

4.Mount L plate on to stud with long screws

(ST4.2X20). (Fig.5)

3.Hang ERV on to wall bracket.

Make sure the power cord is upward.

(Fig.4)

Fig.5

Unit: inches (mm)

24 (609.6)

16 (406.4)

19 (482.6)

4-plug covers

Fig.6

Fig.4

1.Install ducts according to one of three methods as shown below.

Method -Simplified ducted installation (Return method)

Note

DUCTWORK

This method draws return air from the return air duct

of the air furnace and supplies an equal amount of

outside air farther downstream into the return duct.

(Fig.7 & Fig.8)

(1)The ERV unit must be balanced.

(2)It is mandatory that HVAC/AHU signal cord be

connected.

(3)Check local codes and authority having

jurisdiction for acceptance. Fig.7

CAUTION

Power cord

Wall bracket

INSTALLATION (WALL MOUNT)

DUCTWORK

This method draws return air from specific points in the house and supplies an equal

amount of outside air into the return air duct of the air furnace. (Fig.9 & Fig.10)

Return air ducts of ERV should be installed in areas of the home where the poorest indoor

air quality exists (bathroom and kitchen).

The air furnace blower should be running when the ERV is operating to evenly distribute the

outside air throughout the house.

Method -Partially dedicated ducted installation

Note

(1)The ERV unit must be balanced.

(2)It is mandatory that HVAC/AHU signal cord be

connected.

(3)Check local codes and authority having

jurisdiction for acceptance.

Note

(1)Must have 2-3 feet of straight duct run from all duct attachment points on the

ERV. Do not use any elbows or other peripheral pieces inside of 2-3 feet when

attaching duct runs to the ERV.

(2)Unit is normally balanced on high speed with the furnace blower on.

(3)A minimum separation of 40 inches (1 m) is recommended between the two

direct connections.

(4)The exhaust air connection shall be upstream of the supply air connection to

prevent exhausting any fresh air.

(5)The distance between two outdoor hoods please see P.12.

(6)The airflow must be confirmed on site using the balancing procedures found in

P.14. Fig.8

36”

Air

furnace

(914 mm)

Min.

Dampers for

balancing

airflows

40" (1 m) Min.

Outdoors

Return

air Return air

Fig.9

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