Davey Nipper DNP35C User Manual

40
17. GENERAL INFORMATION
17.1 POOL WATER CHEMISTRY INSTRUCTIONS
POOL
WATER
BALANCE
Free Chlorine
(ppm)
pH
Total
Alkalinity TA
(ppm)
Calcium
Hardness
(ppm)
Stabiliser -
Cyanuric Acid
(ppm)
Recommended
salt Levels
(ppm)
Ideal
reading
/ range
1.5 - 3
Concrete &
tiled pools
7.4-7.6
Other surfaces
7.2-7.4
80 - 150
Concrete &
tiled pools
200-275
Other surfaces
100-225
25-50ppm
(15-25ppm if
used with an
ORP controller)
Not to be used
in indoor pools.
Depends on
model (see
page 38)
To increase
Increase
output of
sanitiser.
Add chlorine.
Increase
ltrationtime.
Add Soda
Ash (Sodium
Carbonate)
Add Buffer
(Sodium
Bicarbonate)
Add Calcium
Chloride
Add Cyanuric
Acid
Add salt
To decrease
Decrease
output of
sanitiser.
Decrease
ltrationtime.
Add
Hydrochloric
Acid
Add
Hydrochloric
Acid or Dry
Acid
Partially drain
&rellpool
with lower
hardness
water to Dilute
Partially drain
&rellpoolto
dilute
Partially drain
&rellpoolto
dilute
Frequency
of testing
Weekly Weekly Weekly Weekly Regularly Regularly
18. TROUBLE SHOOTING
No Chlorine Production - Check for:
1. No power to system
2. Insufficient flow from pump
3. Control set to manual off
4. CHLORINE OUTPUT set to “0” setting
5. Dirty cell
6. Filter needs back washing
7. Flow switch not connected or damaged
8. Salt level too low triggering low salt cut-out
9. Main house fuse blown
10. Pump faulty
Low Chlorine Production - Check for:
1. Dirty cell - clean if required
2. Filter needs back washing
3. Pool stabiliser too low
4. pH too high
5. Salt level too low
6. Running time inadequate
7. CHLORINE OUTPUT set too low
8. POOL COVER MODE accidently turned on
9. SPA COVER MODE accidently turned on
10. WINTER MODE accidently turned on
11. Pump faulty
12. Cell failing

Davey Nipper DNP35C Specifications

General

Brand	Davey
Model	Nipper DNP35C
Category	Swimming Pool Filter
Language	English