Krom Schroder VAS Series - Electrical Wiring; Wiring Standards and Requirements; Electrical Connection Types

GB-4
D
GB
F
NL
I
E
Wiring
WARNING
Attention! Please observe the following to ensure
that no damage occurs:
– Electric shocks can be fatal! Before working
on possible live components, ensure the unit
is disconnected from the power supply.
– The solenoid actuator heats up during opera-
tion. Surface temperature approx. 85°C (approx.
185°F).
▷ Use temperature-resistant cable (>90°C).
1 Disconnect the system from the electrical power
supply.
 Shut off the gas supply.
▷ Wiring to EN 60204-1.
▷ UL requirements for the NAFTA market. To main-
tain the UL environmental rating Type 2, the en-
closure openings shall be closed with fittings
rated UL Type 2; 3; 3R; 3RX; 3S; 3SX; 3X; 4X;
5; 6; 6P; 12; 12K or 13. Gas solenoid valves
shall be protected by a branch circuit protective
device not exceeding 15A.
▷ When joining two valves, install a cable gland
set, see accessories, cable gland set for double
solenoid valves, between the connection boxes.
43
First push
through the
knock-out –
then unscrew
the cover!
▷ If the M20 cable gland or plug is already fitted, it
is not necessary to push through the knock-out.
M0 cable gland
(+)
LV1
N
(-)
LV1
N
LV1
N
(+) (+) (-)(-)
5 6
7
8 9
(+)
LV1
N
(-)
LV1
N
LV1
N
(+) (+) (-)(-)
5 6
7
8 9
Plug
LV1
V1
(+) = black, LV1
V2
(+) = brown, N (–) = blue
(+)
LV1
N
(-)
LV1
N
LV1
N
(+) (+) (-)(-)
5 6
7 8
When installing two plugs
on a VAS with proof of closure
switch: label the sockets and
plugs to avoid confusion.