Panasonic FV-10VEC2RH User manual

Service Manual
PESMX23010001CE
Version:2301
CONTENTS
3.Wiring Diagram
4. Troubleshooting
PAGE
7
Energy Recovery Ventilator
FV-10VEC2RH
8
(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
1

2. Parts Identification FV-10VEC2RH
Main Body Section
2
Frame Body Assy
1
4
3
2
8
9
10
SA Fan Assy
EA Fan Assy
11
12
13
14
PCB Box Assy
15
16
17 18
19
Frame Cover Assy
A
A
(4pcs)
A
(5pcs)
C
(6pcs)
A
A
(2pcs)
D
(2pcs)
A
(2pcs)
B
(2pcs)
5
67
A
(4pcs)
A

2. Parts Identification
FV-10VEC2RH
3
Frame Body Assy
SA Fan Assy / EA Fan Assy
A
(8pcs)
A
(4pcs)
22
(2pcs)
20
(2pcs) 21
(2pcs)
A
(2pcs)
A
(2pcs)
A
(4pcs)
24
23
25
26
27
28
29
31
D
(4pcs)
A
(4pcs)
32
30

4
2. Parts Identification
FV-10VEC2RH
PCB Box Assy
Frame Cover Assy
33
34
35
36
(3pcs)
(3pcs)
37
38
39
40 41
42
43
45
46
47
48
49
(2pcs)
50
A
E
(2pcs)
D
(2pcs)
E
(4pcs)
53
(2pcs)
51
(4pcs)
52
(4pcs)
A
(4pcs)
A
(4pcs)
44

5
2. Parts Identification
FV-10VEC2RH
Main Labels
54
55
56
57 58
59
60
61

6
2. Parts Identification
68
66
67
(4pcs)
FV-10VEC2RH
62
(4pcs) 63
(4pcs)
64
65
70
71
72
Packing Case Assy

3. Wiring diagram
7
FV-10VEC2RH

4. Troubleshooting
FV-10VEC2RH
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
On Off
Off
Off
Off
On
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)
On
On
On
On
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.
8

4. Parts List
9
FV-10VEC2RH
Main Body Section
No. Part No. Part Name Q´ty Remark
1 FFV10C2RH9 Frame Body Assy 1
2 FFV3740038M Maintenance Plate 1
3 FFV6710047M Wiring Cover 1
4 FFV07SR6R1 Cord Bushing 1
5 FFVC2RH904 Junction Box 1
6 FFV3450010S Ground Wire 1
7 FFV2800023S Junction Cover 1
8 FFV3402188M EA Damper Assy 1
9 FFV4710448M Center Damper Assy 1
10 FFV4300151M OA Damper Assy 1
11 FFV3402189M EA Fan Assy 1
12 FFV3702280M SA Fan Assy 1
13 FFV1600153M Frame Bracket Assy 1
14 FFV1600154M Frame Bracket Hook 1
15 FFV3402190M Element Assy 1
16 FFV3402191M Element Holder 1
17 FFV6730102S RA Filter 1
18 FFV4300152M OA Filter M8 1 Merv 8
19 FFV1600175M Frame Cover Assy 1
A FFV7000074S Truss Tap Screw 22
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
20 FFV3440021S Latch 2
21 FFV2220075M Hinge B 2
22 FFV0000163M Adapter 2
A FFV7000074S Truss Tap Screw 16