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

10
4. Parts List
FV-10VEC2RH
SA Fan Assy/EA Fan Assy
No. Part No. Part Name Q´ty Remark
23 FFV3730127M Motor Holder Plate 1
24 FFV3402192M EA Motor Assy 1
(24) FFV3702281M SA Motor Assy 1
25 FFV3730128M Motor Holder 1
26 FFV3730129M Motor Base 1
27 FFV7010055S Washer 1
28 FFV1610079M Blade 1
29 FFV10VC2R9 Fix Plate 1
30 FFV7020022S Nut 1
31 FFV4710409M Casing 1
32 FFV4710408M Casing Packing 1
A FFV7000074S Truss Tap Screw 8
D FFV7000089S Truss Tap Screw 4
PCB Box Assy
No. Part No. Part Name Q´ty Remark
33 FFV5580017S Switch Assy 1
34 FFV5580016M Switch PCB Cover Assy 1
35 FFV5580010S Switch Knob 3
36 FFV5580011S Switch Spring 3
37 FFV5580018M Switch PCB Assy 1
38 FFV5580019M Switch PCB Box Assy 1
39 FFV4690039M PCB Cover 1
40 FFV5820040S Terminal 1
41 FFV2800028S Jumper Cable 1
42 FFV5820037S Temperature Sensor 1
43 FFV5580020S Switch PCB Wire 1
44 FFV10C2RH2 Power Cord 1
45 FFV0VC2PCB Main PCB Assy 1
46 FFV4690040M Power Connect W ire 1
47 FFV4690027M PCB Box 1
48 FFV0000164M AHU Wire 1
49 FFV5820038S Terminal 1
50 FFV4690028M Partition Plate 1
A FFV7000074S Truss Tap Screw 1
D FFV7000089S Truss Tap Screw 2
E FFV7000102S Pan Tap Screw 6

11
4. Parts List
FV-10VEC2RH
Frame Cover Assy
No. Part No. Part Name Q´ty Remark
51 FFV2220076M Hinge A 2
52 FFV4620133S Pressure Plug 4
53 FFV3440022M Latch Base 2
A FFV7000074S Truss Tap Screw 8
Main Labels
No. Part No. Part Name Q´ty Remark
54 FFV10C2RH6 Maintenance Label 1
55 FFV3402226M EA OA Adapter Label 1
56 FFV6730113M RA SA Adapter Label 1
57 FFV5580031M Wall Switch Label 1
58 FFV0000189M AHU Label 1
59 FFV2260002S HVI Mark 1
60 FFV10VE2H05 Wiring Label 1
61 FFV5580022M Switch Label 1
Packing Case Assy
No. Part No. Part Name Q´ty Remark
62 FFV4710410M Ceiling Inst. Plate 4
63 FFV3440023M L Plate 4
64 FFV6710049M Wall Install Bracket 1
65 FFV2220077M Hanger 1
66 FFVC2RH450 Install. Instructions (ES) 1 English/Spanish,For USA Market.
67 FFV5580023S Screw Cover 4
68 FFV0010253M Accessory For Screws 1
69 FFV4710411M Packing Pad Top 1
71 FFV4710412M Packing Pad Bottom 1
72 FFVC2RH420 Packing Case Assy 1