Transformer Primary Wiring; Chassis Top Assembly; 120 Vac Wiring; 240 Vac Wiring - Heathkit SW-717 Assembly

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TRANSFORMER PRIMARY WIRING
Two
sets
of
line voltage
wiring
instructions
are
given, one
for
120 Vac line voitage and the other
for
24OYac linevoltage.
In the
U.S.A., 120 Vac is most
often
used, while in foreign
countries 24O Vac
is
more common.
USE
ONLY
THE
INSTRUCTIONS
THAT
AGREE
WITH THE
LINE
VOLTAGE
IN YOUR AREA.
BtK YII
120 VAC
WIRING
LA
6
Detail2lC
120 Vac Wiring
Refer
to
Detail 21C and connect the
wires coming
from
the
transformer to terminal strip AK
as
follows:
( )
Black
to
lug
6 (NS).
( )
Black-green
to
lug
6 (S-3).
( )
Black-red
to
lug 1
(NS).
( )
Black-yellow to
lug
1 (S'3).
244 Vac Wiring
Refer
to
Detail 21D
and connect the
wires coming
from
the
transformer to terminal strip AK
as
follows:
)
Black
to
lug
6 (S-2).
)
Black-red
to
lug
1
(S-2).
)
Black-green
to lug
4 (NS).
)
Black-yellow to
lug
4 (S-21.
i
CHASSIS TOP ASSEMBLY
Refer
to
Pictorial
22 (fold-out from
Page
39)
for
the
following
steps.
( )
Open
the plates
of
the tuning capacitor by rotating
its
shaft pul ley.
( )
String
the 36" dial cord on the
tuning
capacitor
pulley.
String
the dial cord
according
to
the
numbers
on the Pictorial.
Be sure
to
use
the main tuning
spring
(#258-1). the
longer
of
the
two
springs
furnished.
( )
Loosen
the
setscrew
in
the
tuning capacitor pulley,
and
hold the pulley in
place
with
one hand. Then
close
the
plates
of
the tuning capacitor and retighten
the
setscrew.
( )
Rotate shaft
F with your
fingers
to
make sure
th.
capacitor plates
open and close
properly,
24U-
VAC
WIRING
BLK
RED