Panasonic FV-10VEC2R User manual

Service Manual

PESMX22110001CE

Version:2201

CONTENTS

3.Wiring Diagram

4. Troubleshooting

PAGE

Energy Recovery Ventilator

FV-10VEC2R

(North America Market)

WARNING

This service information is designed for experienced repair technicians only and is not designed for use by

the general public. It does not contain warnings or cautions to advise non-technical individuals of potential

dangers in attempting to service a product. Products powered by electricity should be serviced or repaired

only by experienced professional technicians. Any attempt to service or repair the product or products dealt

with in this service information by anyone else could result in serious injury or death.

IMPORTANT SAFETY NOTICE

There are special components used in this equipment which are important for safety. These parts are

marked by in the Schematic Diagrams, Exploded Views and Replacement Parts List. It is essential

that these critical parts should be replaced with manufacturer's specified parts to prevent shock, fire

or other hazards. Do not modify the original design without permission of manufacture.

We suggest to handle such parts after the static electricity prevention.

It is forbidden to touch the PCB parts by bare hands during the repairing process.

2.Parts Identification 2~6

1.Specifications 1

4.Parts List 9~11

1. Specifications

The testing of the ventilation performance and the energy performance in accordance with

CSA-C439 standard.

FV-10VEC2R

Model No.

Model No. Mode

Heating

Cooling

Supply

temperature Net air flow Apparent

sensible

effectiveness

Sensible

recovery

efficiency

Total recovery efficiency

Net

moisture

transfer

Air

direction

Voltage

(V)

Frequency

(Hz) Duct

Exhaust

Supply

Supply Fan unit

Static

pressure

Net air flow

(CFM)

Power

consumption

(W)

Power

consumption

(W)

4“/6” 0.1”WG

0.4”WG

-25

4923

57-13

-25 30 64-13

°F °C L/s CFM

95 35

31 66

32 0

60%

55%

100

663195 35 42

80%

65%

56%

77%

73%

83%

67%

60%

81%

77%

0.78

0.71

0.58

0.74

0.71

32 0

120 100

100

100 81

90100

60 50

Weight

Lb.(Kg)

(22.4)

2. Parts Identification FV-10VEC2R

Main Body Section

Frame Body Assy

SA Fan Assy

EA Fan Assy

PCB Box Assy

15 16

Frame Cover Assy

(4 pcs)

(5pcs)

(6pcs)

(2pcs)

2. Parts Identification

FV-10VEC2R

Frame Body Assy

SA Fan Assy / EA Fan Assy

(8 pcs)

(4 pcs)

(2 pcs)

(2 pcs) 19

(2pcs)

(2 pcs)

(4pcs)

2. Parts Identification

FV-10VEC2R

PCB Box Assy

Frame Cover Assy

(3pcs)

39 40

(2pcs)

(4pcs)

(2pcs)

(4pcs)

2. Parts Identification

FV-10VEC2R

Main Labels

55 56

5857

2. Parts Identification

(4pcs)

FV-10VEC2R

(4pcs) 64

(4pcs)

Packing Case Assy

3. Wiring diagram

FV-10VEC2R

4. Troubleshooting

FV-10VEC2R

Problem

1.The ERV doesn’t

work.

2.The HVAC/AHU

doesn’t work

when ERV works.

3.Buzzer sound

(10 sec in a hour)

and ERV works.

4.Buzzer sound

(30 sec in a hour)

and ERV doesn’t

work.

5.ERV doesn’t work

base on the setting

air volume.

Running

indicator

(Green)

Display

Off Off

On Off

Off

Blink*

(0.5 s)

Blink*

(0.5 s)

Blink*

(0.5 s)

Blink*

The time under “Blink” means the frequency of blink.

(0.5 s)

Check the power cord is connected.

Filter

indicator

(Red)

Action

If a problem is encountered, please investigate it by going through the following items.

If the problem still persists, please disconnect the power and contact the dealer for repair.

Check the frame cover is closed.

Check the main switch in product body is on.

Check if the spring on the inside of frame cover

is damaged or deformed.

ERV running interval according to the ASHRAE

time setting.

Damper may be frozen shut, please wait for

maximum 24 hours for defrosting.

Please disconnect the power and contact the

dealer to check the HVAC/AHU wiring connect.

SA motor error, please disconnect the power

and contact the dealer for repair.

Off

Blink*

(2 s)

Blink*

(2 s)

EA motor error, please disconnect the power

and contact the dealer for repair.

OA damper error, please disconnect the power

and contact the dealer for repair.

Off EA damper error, please disconnect the power

and contact the dealer for repair.

Blink*

(4 s)

Off Center damper error, please disconnect the

power and contact the dealer for repair.

Temperature sensor error, please disconnect the

power and contact the dealer for repair.

PCB board error, please disconnect the power

and contact the dealer for repair.

When product runs in circulation mode for

defrosting, the air volume will be more than

setting and sound will be slightly louder than

normal operation.

When outdoor temperature is less than 14 °F

(-10 °C), the product will restrict air volume

automatically to protect energy recovery core.

The RA filter and OA filter need to be maintained.

If you do not want the buzzer notification, please

long press the filter reset button for 3 sec to cancel it.

When outdoor temperature is low ( -22 °F (-30 °C),

ERV stops operating automatically.

4. Parts List

FV-10VEC2R

Main Body Section

No. Part No. Part Name Q´ty Remark

1 FFV1600174M Frame Body Assy 1

2 FFV0720012S Cord Bushing 1

3 FFV4620115S Power Cord 1

4 FFV6710047S Wiring Cover 1

5 FFV3740038S Maintenance Plate 1

6 FFV3402188M EA Damper Assy 1

7 FFV4710448M Center Damper Assy 1

8 FFV4300151M OA Damper Assy 1 Include Temperature Sensor

9 FFV3402189M EA Fan Assy 1

10 FFV3702280M SA Fan Assy 1

11 FFV1600153M Frame Bracket Assy 1

12 FFV1600154S Frame Bracket Hook 1

13 FFV3402190S Element Assy 1

14 FFV3402191S Element Holder 1

15 FFV6730102S RA Filter 1

16 FFV4300152S OA Filter M8 1 Merv 8

17 FFV1600175M Frame Cover Assy 1

A FFV7000074S Truss Tap Screw 17

B FFV7030008S Pan Screw 2

C FFV7000224S PS Screw 6

D FFV7000089S Truss Tap Screw 2

Frame Body Assy

No. Part No. Part Name Q´ty Remark

18 FFV3440021S Latch 2

19 FFV2220075S Hinge B 2

20 FFV0000163S Adapter 2

A FFV7000074S Truss Tap Screw 16

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