Frequently Asked Questions - Quantum IOT Series Installation And User Instructions Manual

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Frequently Asked Questions

Issue
A Cylinder not charging
B The water in the
cylinder is too hot
C Hot water runs out
during the day
Frequently Asked Questions
Cause
A.1 Power supply turned off
A.2 Tariff not set correctly
A.3 Temperature setpoint
not set correctly
A.4 Direct heating
malfunction
A.5 Direct heating high limit
thermostat has tripped
B.1 Primary/Boost
temperature setpoint is
too high
B.2 Hygiene mode overriding
primary setpoint
B.3 Temperature sensors
faulty or not installed
correctly
C.1 Cylinder not storing
enough energy to meet
daily requirements
C.2 Increased usage
resulted in hot water
running out earlier than
usual
Solution
A.1 Ensure both power supplies are
turned on
A.2 Set tariff correctly (Section 7.2.1)
A.3 Set Primary setpoint (Section
11.2.4)
A.4 Call for qualified person to check
immersion heater
A.5 Reset limit thermostat(s) and in
form installer
B.1 Check/adjust the primary and
boost temperature setpoints
(Section 11.2.4)
B.2 Check/adjust the Hygiene setpoint
(Section 7.2.2)
B.3 Check temperature displayed for
accuracy (Section 11.2.6), if
clearly incorrect contact supplier
C.1 Raising the Primary setpoint in
order to store additional energy
during the off peak period
(Section 11.2.4)
C.2 Boost function heats a small
volume of water (Section 11.2.5).
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