List Of Spare Parts; Fault Finding - Bibby Scientific Distinction D4000 Instructions De Montage

List of spare parts

The following components are available from most
laboratory suppliers. In case of difficulty please
contact Bibby Scientific Ltd.
Component
Boiler
Condenser
Heating element 240V
Heating element 220V
Hose kit
Gasket kit
Boiler thermostat tube
Condenser thermostat tube
Plastic connecting caps
reservoir level control

Fault finding

In the event of operating difficulties with your Distinction Water Still, please consult the following notes. If these fail to identify and remedy
the fault you are advised to contact your supplier or the Technical Service Department of Bibby Scientific Ltd.
Symptom
Heater not working
Water level in boiler
is too low - heater exposed
Water level in boiler
is too high - e.g. water surging
into condenser
Distillate temperature is
too high - e.g. >50°C
Water in boiler is "pumped"
out of the boiler to drain
Distillate quality is poor*
output less than 4 l/hr
Persistent tripping of the rCD
*Distillate quality when measured by pH or conductivity is greatly affected by temperature and the presence of absorbed carbon dioxide.
Catalogue No.
D4000/B
WC48/M2
D240H
D220H
W4000/HK
D4000/GK
WTT48
A515414
QC18/11
WLS
Cause
a) Burnt out heater
b) Failed electricity supply
c) Thermostat operated
a) Supply of cooling water is
insufficient
b) Boiler drain stopcock left open
a) Flow of cooling water is too high
b) Drain is restricted
Supply of cooling water is
insufficient
a) Tubing from condenser
distillate outlet to the reservoir
is constricted
b) Mounting for condenser
thermostat is blocked
c) Supply of cooling water
is insufficient
Boiler heavily scaled
Mains electricity supply below
nominal voltage
The integrity of the heater
Component
Boiler thermostat
Condenser thermostat
reservoir level control pressure switch
on/off switch
Boiler o rings
Heater sealing ring
Earthed pipe kit
Silicone rubber rings
Catalogue No.
WT4
W14TS
DPS
D4000/SW
Top WB48/01
Bottom Qr38/24
Qr38/24
D4000/EK
Qr18/7 and Qr18/10
Remedy
replace heater
restore supply
Identify and rectify the
cause and reset thermostat
Adjust the supply to
approximately 60 l/hr
Close stopcock
Adjust the supply to
approximately 60 l/hr
Ensure drain pipe falls freely
from Still with no kinks
Adjust the supply to
approx 60 l/hr
Ensure tubing falls freely
from Still with no kinks
remove obstruction
Adjust the supply to
approximately 60 l/hr
Clean boiler
–
replace the rCD
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