VHD4.21 Active/Passive · Drawings
VHD4.21 A
ctiv
e · D
ra
wing
Drawing VHD4.21 Active/Passive
10
DE
TAIL REAR P
ANEL
VHD4.21 A
C
TIVE
M
AIN INPUT
THROUGH OUT
PO
WER ON /
THERM
AL
LIMITER
SIGNAL PRESENT
VHD4.21 P
ASSIVE
OUTPUT
RESIDU
AL
-CURRENT
CIRCUIT BREAKER
ON
OFF
W
ARNING - M
AINS
VOL
TA
GE
CONNEC
T
ONL
Y WITH VHD4.21
PASSIVE
USING AN OFFICIAL K
V2 A
UDIO C
ORD
W
ARNING
VER
Y
HIGH
AC
OUSTIC
PRESSURE
LE
VELS.
TO
ENSURE
PROPER
OPER
ATION ALL
O
W A
MINIMUM OF 6 INCHES OF CLEAR
ANCE
FROM
THIS SURF
ACE AND
ADEQU
ATE
VENTIL
ATION.
TO REDUCE
THE RISK OF ELEC
TRIC SHOCK DO NO
T REMO
VE
THIS P
ANEL OR
AN
Y A
TT
ACHED C
OMPONENT
. NO OPER
AT
OR SER
VICEABLE
PAR
TS INSIDE
. REFER SER
VICING
TO QU
ALIFIED PERSONNEL.
TO
REDUCE
THE RISK OF FIRE OR ELEC
TRIC SHOCK
, DO NO
T EXPOSE
THIS APPLIANCE
TO R
AIN OR MOISTURE
.
SERIAL NUMBER
CA
UTION
W
ARNING:
RISK OF ELEC
TRIC SHOCK
DO NO
T OPEN
VH
D4
.2
1 P
ASSIV
E
OUT
PUT
RE
SIDU
AL
-CURRE
NT
CIRCUIT
BRE
AK
ER
ON
O
FF
W
AR
NING - M
AINS
VOL
TA
GE
CO
NNEC
T O
NL
Y
WITH
VHD
4.
21 P
ASSIV
E
U
SING
A
N O
FFIC
IA
L K
V2 A
U
D
IO
C
O
RD
W
AR
N
IN
G
VER
Y H
IGH
A
CO
US
TI
C P
RES
SUR
E LE
VELS
. T
O
ENS
UR
E P
RO
PER
O
PE
RA
TIO
N AL
LO
W
A MI
N
IMU
M O
F
6 IN
CH
ES O
F
CL
EAR
AN
CE
FR
O
M
TH
IS
S
UR
FA
CE
A
N
D
A
D
EQ
UA
TE
VE
N
TI
LA
TI
O
N.
TO
R
ED
UC
E
THE
RIS
K
OF
E
LE
CT
RI
C S
HOC
K
DO N
O
T RE
M
O
VE
T
HI
S P
AN
EL
OR
AN
Y A
TT
ACH
ED
CO
MPO
NE
NT
. NO
O
PE
RA
TO
R
SE
RVICE
AB
LE
PA
RT
S I
N
SI
D
E. R
EFER
S
ER
VI
CI
N
G
TO
Q
UA
LI
FI
ED
P
ER
SO
N
N
EL.
TO
RE
DU
CE
T
HE
RIS
K OF
F
IRE
OR E
LE
CT
RIC
S
HOC
K,
DO N
O
T EX
POS
E
TH
IS APPL
IAN
CE
T
O
R
AIN
O
R MO
IST
U
RE
.
SER
IAL
N
U
M
BER
CA
U
TION
W
AR
NI
NG:
RI
SK OF ELEC
TR
IC SH
OCK
DO
N
O
T O
PE
N
M
AI
N
INPU
T
THR
O
UG
H O
UT
PO
WER O
N /
THERM
AL
LIM
ITER
SIG
NA
L P
RESENT
VH
D4
.2
1 P
ASSIV
E
OUT
PUT
RE
SIDU
AL
-CURRE
NT
CIRCUIT
BRE
AK
ER
ON
OFF
W
AR
NING - M
AINS
VOL
TA
GE
CO
NNEC
T O
NL
Y
WITH
VHD
4.
21 P
ASSIV
E
U
SING
A
N O
FFIC
IA
L K
V2 A
U
D
IO
C
ORD
W
AR
N
IN
G
VER
Y H
IGH
A
CO
US
TI
C P
RES
SUR
E LE
VELS
. T
O
ENS
UR
E P
RO
PER
O
PE
RA
TIO
N AL
LO
W
A MI
N
IMU
M O
F
6 IN
CH
ES O
F
CL
EAR
AN
CE
FR
O
M
TH
IS
S
UR
FA
CE
A
N
D
A
D
EQ
UA
TE
V
ENTI
LA
TI
O
N.
TO
R
ED
UC
E
THE
RIS
K
OF
E
LE
CT
RI
C S
HOC
K
DO N
O
T RE
M
O
VE
T
HI
S P
AN
EL
OR
AN
Y
AT
TA
CH
ED
CO
MPO
NE
N
T.
N
O
O
PE
RA
TO
R SE
RVICE
AB
LE
PA
RT
S I
NS
ID
E. R
EFER
S
ER
VI
CI
N
G
TO
Q
UA
LI
FI
ED
P
ER
SO
N
NEL.
TO
RE
DU
CE
T
HE
RIS
K OF
F
IRE OR E
LE
CT
RIC
S
HOC
K,
DO N
O
T EX
POS
E
TH
IS APPL
IANCE
T
O
R
AIN O
R MO
IST
U
RE
.
SER
IAL
NU
M
BER
CA
U
TION
W
AR
NI
NG:
RI
SK OF ELEC
TR
IC SH
OCK
D
O N
O
T OP
EN
M
AI
N
INPU
T
THR
O
UG
H O
UT
PO
WER O
N /
THERM
AL
LIM
ITER
SIG
NA
L P
RESENT
Connec
t only with supplied audio c
or
d C
liff
con (par
t no
. KV
V 987 337)!