16
1058907-W2-J
Symptom
Cause/Rectification
6.
M a x i m u m
b l e n d
temperature
setting too
hot or too
cool.
a.
Indicates incorrect
maximum temperature
setting;
refer
to
COMMISSIONING
.
b.
As symptom
4.
above.
c.
As symptom
5.
above.
7.
Water leaking
from body.
a.
Seal(s) worn or damaged. Obtain service pack (936 23),
and renew all seals.
b.
If leak persists from around spindle renew head
assembly.
8.
Flow does
n o t c e a s e
fully when
lever is in off
position.
a.
Check flow shut off setting - see Commissioning
Section.
b.
Hot seat damaged; obtain service pack and renew.
Cold seat 'O' seal can not be renewed; replace Head
Assembly.
c.
Shuttle/thermostat assembly damaged; renew.
d.
Head assembly worn; renew seals or head assembly.
9.
Flow rate too
high or too
low.
a.
Too low, Refer symptom
2.a-e.
above.
b.
Too low, Supply pressure low, make sure flow regulators
are not fitted.
c.
Too high, Supply pressure high, make sure regulators
are fitted.
d.
Hot & cold flows differ, Refer to symptom
2.a-e.
above.
General
1.
The maintenance of this product must be carried out in accordance with
instructions given in this manual, and must be conducted by designated,
qualified and competent personnel.
2.
Rada products are precision-engineered and should give continued superior
and safe performance, provided:
• They are installed, commissioned, operated and maintained in accordance
with the recommendations stated in this product manual.
• Periodic attention is given as necessary to maintain the product in good
functional order, refer to section:
'Planned Maintenance'
.
MAINTENANCE