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WINTERRISING
Backwash the filter for at least thirty minutes before closing
down the pool for winterising. This will clean the filter bed
thoroughly.
1/ Drain the filter tank by removing the drain cap at the base
of the filter tank. Leave the cap off during winter.
2/ Set the control valve handle between the RINSE and
FILTER. This will lift the handle and help with the draining
process by allowing air to enter into the tank.
3/ Unscrew the pressure gauge from the control valve and
store the gauge indoor.
4/ Drain and winterise pump according to pump
instructions.
5/ Repairs should be made during the off-season when the
best service is available, do not leave them until the next
season.
TROUBLE SHOOTING
SAND ENTERING THE POOL
Sand too small; Flow too high; Sand bed calcified; Broken
Laterals; Loose centre-pipe; Too much sand; Control Valve
not engaged; Air accumulation in filter.
SAND OUT OF BACKWASH HOSE
Flow too high; Too much sand in tank.
INADEQUATE FILTERING
Dirt build up; improper sand; Sand bed is too low; Algae in
filter; Excessive dirt in pool; Calcified sand bed; Heavy
swimmer load; Flow rate too high or too low; Backwashing
cycle too short; Backwash line too small.
SHORT FILTER CYCLE
POOL CHEMISTRY GUIDELINES
SUGGESTED POOL CHEMISTRY LEVELS
PH
TOTAL ALKALIN ITY
CHLORINE (UNSTABILIZED)
CHLORINE (STABILIZED)
CHLOR！NE STAB！LIZER
(Cyanuric Acid)
SPECIFICATIONS
MFS17
CODE
88012626
0.14
Effective Filtration Area (Sq Ft)
125
Filter Max Rate (LPM)
3
7.5
Filter Max Rate (m /h)
15840
Turnover Capacity (In Gallons) - 8 Hour
19800
Turnover Capacity (In Gallons) - 10 Hour
23760
Turnover Capacity (In Gallons) - 12 Hour
40
All Sand Required (kg)
670
A(mm)
425
B(mm)
125
C(mm)
195
D(mm)
354.5
E(mm)
417.5
F(mm)
TO RAISE
7.2 to 7.6
Add Soda Ash
100 to 130 ppm
Add Sodium Bicarbonate
0.3 to 1.0 ppm
Add Chlorine Chemical
1.0 to 3.0 ppm
Add Chlorine Chemical
40 to 70 ppm
Add Stabilizer
MFS20
MFS24
MFS27A
88012627 88012628 88012629
88012630 88012631
0.20
0.28
0.36
175
238
325
10.5
14.3
19.5
22176
30202
41184
27720
33752
51480
33264
45302
61776
70
125
185
760
825
946
500
600
675
125
125
125
225
280
300
396.3
429.5
480.0
549.3
492.5
543.0
Dirty filter; Improper sand; Sand bed is low; Algae in filter;
Excessive dirt in pool; Calcified sand bed; heavy swimmer
load; Flow rate too high or too low; Backwashing cycle too
short; Channels low; Backwash adapter in wrong location;
Channels in sand.
FILTER LEAKS
Tank cracked; Drain plug not tight; Valve/Tank O'ring
damaged.
CONTROL VALVE LEAKS
Handle not properly engaged; Valve/Tank O'ring damaged;
Valve cover O'ring damaged. Pressure gauge O'ring
damaged.
ABNORMAL LOSS OF POOL WATER
Leak inside Control Valve; Leakage from pool or piping.
HIGH PRESSURE FILTER
Dirty filter; Calcified sand bed; Return lines too small.
LOW PRESSURE IN FILTER
Control Valve incorrectly set; Pump running too slow
(plugged or clogged); Air leakage into pump suction.
NOTE: If the recommendation in this manual do not solve
your particular problem(s), please contact your local dealer
for service.
ACTION REQUIRED TO CORRECT POOL CHEMISTRY
Add Muriatic Acid or Sodium Bisulphate
Add Muriatic Acid
No action-chlorine will naturally dissipate
No action-chlorine will naturally dissipate
Dilution-partially drain&refill pool with water
that has not been treated with Cyanuric Acid.
MFS27
MFS31A
MFS31
MFS35
88012632
88012633
0.39
0.47
0.47
325
373
373
20.3
22.4
24.7
42874
47309
52166
53592
59136
65208
64310
70963
78250
185
320
320
946
968
968
675
775
775
220
125
220
300
370
370
527.5
505.5
553.0
590.5
568.5
609.0
3-4
TO LOWER
0.61
515
30.9
65261
81576
97871
430
F
E
1086
875
220
440
609.0
695.0
C
D
A
B
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