gledhill TORRENT DIRECT Design, Installation & Servicing Instructions page 49

UNSATISFACTORY
HOT WATER
PERFORMANCE
Is the boiler
YES
thermostat
set to max?
YES
NO
Adjust boiler
thermostat to
maximum
Report to the
NO
boiler
manufacturer
Descaling
required
YES
Is heat
exchanger
scaled up
internally?
(Indicated by
reduction of
flow rate)
Is the mixer
YES
valve set
too low?
NO
Is the model
Change for
NO
suitable for the
larger model
hot water
requirement?
Is the Torrent
NO
thermostat set
10% more than the
too low?
YES
Correct Torrent
thermostat setting
(set to 75ºC)
Does the boiler
Is the boiler
NO
thermostat
adjustable?
YES
Adjust to
maximum
boiler exceed 11°C
NO
H.W. flow too
from outlet fitting
(tap) see page 00
Alter pipe
NO
correctly sized?
sizes
Page 49
SERVICING
Adjust mixer valve setting
(turn fully anti-clockwise then
1½ - 2 turns clockwise)
Is the boiler
Change boiler
NO
output at least
rad. loading?
YES
flow reach
temperature?
YES
Does the temp
rise across the
YES
Increase boiler
NO
pump setting
Is the temp.
NO
rise too high?
great?
YES
Regulate flow
for details
NO
Is the circuit
Fit an air vent
YES
Investigate for
Is the temp.
blockage NO
satisfactory?
YES
for larger
model
YES
Is air
trapped in
the primary
circuit?
YES
rise now