Two Heaters Fi Tted In Parallel; With Ss300-10 Buff Er Tank - andrews MAXXflo EVO Lite Installation And Maintenance Manual

(Q4/K21 PUMP supplied by others) (Q4/K21 PUMP supplied by others)
Q4
K21
MAXXfl o EVO
Lite
5 Before installation
5.6.2 Two heaters fi tted in parallel
Two or more heaters can be connected together on the same water
system.
The input/output for Q4 and B39 will be managed by any one of the two
heaters.
B39
Q4
(PUMP supplied (PUMP supplied
by others) by others)
B39 Return Temperature Sensor
Q4 DHW Circulation pump (supplied by others)
5.6.3 With SS300-10 buff er tank
When a greater stored water capacity is needed for periods of peak loads
the optional SS300-10 stainless steel buff er tank is recommended as it is
specifi cally designed for this purpose.
The SS300-10 buff er tank is designed to work seamlessly with the
MAXXfl o EVO Lite, with the heating times and temperature only required
to be set once. When the temperature setpoint of the MAXXfl o EVO Lite
is changed the buff er tank operation is automatically changed to support
this new temperature.
Q4 Return system circulation pump (supplied by others) see 5.6.1 for details
K21 Buff er tank transfer pump (supplied by others)
ST1 Buff er tank temperature sensor (pre-fi tted to Buff er tank)
ST1
Full fi tting instructions are supplied with the SS300-10 buff er tank,
able from Andrews Water Heaters (7735728).
BUFFER
SS300-10
30
avail-
MAXXfl o EVO Lite