3.7 VENT
An element
3.8 EXPAN
Due to the i
The expans
A pipe must
All venting p
The expans
below a min
steam or air
The expans
Pressurized
cooling circ
engine temp
3.9 VENTIN
This is a sys
At least the
water level
Fro
Fro
Fro
3.10 EXTE
This part of
These syste
1
The
2
The
3
Purg
that purges
SION TANK
ncreased vo
sion tank has
t run from the
pipes on the
sion tank mu
nimum level
r to leave at
sion tank mus
d expansion
cuit cannot b
perature exc
NG PIPES
stem of pipe
e following v
in the tank:
m the circuit
m the highes
m the highes
ERNAL COO
the cooling c
ems may be
P
IT
O
mostates ho
mostatic Val
ge
any possible
K
olume of heat
s to be install
e expansion
circuit must
ust be fitted
and a safety
positive over
st have a ca
tanks must b
be reached
ceeds 100ºC.
s that avoid
venting pipes
t water pump
st point of the
st point of the
OLING SYST
circuit is resp
of different t
PRODUCT INFOR
T-G-A-20-
ONE CIRC
ucing
ves
e air pockets
ted water, a
led at the hig
tank to the c
lead to the e
with a low w
y valve that a
rpressure.
pacity of at le
be used in th
with cooling
.
air from colle
s should be
p inlet to the e
e cooling circ
e external co
TEM
ponsible for c
ypes, depen
RMATION
-025e
CUIT COOL
s from the cir
tank has to b
ghest point o
circuit water
expansion ta
water level s
allows air to
east 15% of
hose cases w
g systems u
ecting in the
installed, le
expansion ta
cuit in the en
ooling circuit
cooling the h
nding on the
INDEX
LING SYST
rcuit while the
be installed t
of the cooling
pump inlet.
nk below wa
sensor that d
enter the cir
the total volu
where the m
using unpres
cooling syste
eading to the
ank
ngine to the e
to the expan
heat produce
requirements
Sept
TEM FOR
e cooling circ
to control sai
circuit.
ater level.
does not allo
rcuit at nega
ume of water
minimum pres
ssurised exp
em.
e expansion
expansion ta
nsion tank
ed by the eng
s and applica
DATE
tember 2014
GAS V-EN
cuit is being
id increases
ow the water
ative pressure
r in the cooli
ssure require
pansion tank
tank, alway
ank
gine.
ation in ques
Dep.
4
NGINES
7/8
filled.
in volume.
r level to fall
e and water,
ng circuit.
ement of the
ks or where
ys below the
stion.
. 2
8
l
,
e
e
e
2.2.7
O&M_2.002211.810_A_10_2016
