SECTION 6: R
EPLACEMENT
P
ARTS
15
6.1 Replacement Parts Instructions
6.1.1
F
u
se 250 mA
See Page 14, Figure 10
,
Item 1
.
This time delay f
u
se protects the System Control
from po
w
er s
u
rges, lightning and incorrect
w
iring.
If the f
u
se needs replacing, the follo
w
ing steps m
u
st
be taken.
Disconnect po
w
er to the System Control.
Remo
v
e the scre
w
s from the co
v
er and remo
v
e the
co
v
er of the System Control.
See Page 5, Section
3.2.2
for details.
Locate the f
u
se, and remo
v
e the f
u
se
w
ith a f
u
se p
u
ll-
ing tool.
See Page 14, Figure 10, Item 1
.
Replace
w
ith a ne
w
f
u
se rated at 250 mA slo
w
blo
w
.
6.1.2
Transformer
The transformer on the board cannot be replaced.
See Page 14, Figure 10, Item 2
.
6.1.3
Microprocessor Programing
The microprocessor may be re-programed by a
reprograming de
v
ice.
Sho
u
ld the microprocessor program become s
u
spect
d
u
ring tro
u
bleshooting, cons
u
lt Roberts-Gordon LLC.
DANGER
Electrical Shock Hazard
Disconnect electric before service or
maintenance.
More than one disconnect switch may be
required to disconnect electric to the unit.
Failure to follow these instructions can result
in death or electrical shock.
WARNING
Explosion Hazard
Turn off gas supply to equipment before
service or maintenance.
Failure to follow these instructions can result
in death, injury or property damage.
Содержание System Control
Страница 2: ......
Страница 4: ......
Страница 6: ......
Страница 22: ...SYSTEM CONTROL INSTALLATION OPERATION AND SERVICE MANUAL 16 ...
Страница 24: ......