MEGAFLO 2sf, Инструкция по эксплуатации

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19
WARNING
Should the Megaflo be used in conjunction
with a boiler or external controls that
control the water temperature via a sensor
connected to the cylinder, it should be noted
that the factory fitted indirect thermostat and
thermal cut-out MUST NOT be disconnected
or bypassed. To do so would invalidate the
product approvals and warranty and it
would not comply with Building Regulations.
Should this method of control be adopted
the Megaflo Indirect thermostat should be
set at maximum and the cylinder control
temperature set at 68
o
C to avoid the
thermostat over-riding the boiler control.
Where the boiler or external controls do not
directly power the 2 Port Motorised Valve
supplied with the Megaflo, the wiring should
ensure that in the event of the thermal
cut-out on the Megaflo Indirect controls
operating power will be interrupted to the 2
Port Motorised Valve such that it closes and
prevents flow of the primary heating fluid
around the Megaflo primary heat exchanger
coil.
For further details of wiring the boiler, or
external controls consult the manufacturer’s
installation instructions.
Figure 15: Direct wiring schematic
Figure 14: Indirect wiring schematic
L N 1 2 3
Control Housing Details
Immersion connections
1.5mm² 3 Core HO5 VV-F
sheathed cable
Indirect control wiring
N L
1.5mm² 3 Core
HO5 VV-F sheathed
cable
Immersion
heater
connections
6.4 Filling the appliance
` Ensure the drain cock is CLOSED.
`
Open a hot tap furthest from the cylinder.
`
Open the isolating valve on the 3 bar Pressure
Reducing Valve by turning the blue handle on the
stop cock (if fitted in this position) so that it lies
parallel to the direction of flow. Open the mains stop
cock to fill the unit. When water discharges from the
tap, allow to run for a few minutes to thoroughly
flush through any residue, dirt or swarf, then close
the tap.
` Open successive hot taps to purge the system of air.
SPINDLE POSITIONS
= MINIMUM TEMP
= MAXIMUM TEMP
= APPROX 60 °C
A
ROTATE SPINDLE CLOCKWISE
FOR TEMPER ATURE INCREASE
AND COUNTER CLOCKWISE
FOR TEMPER TURE DECREASE
TEMPERATURE ADJUSTING
SPINDLE
THERMAL CUT-OUT RESET BUTTON
Figure 16: Boiler and Immersion controls