HAMWORTHY HEATING LTD
14
WESSEX 100 M
500001080/F
respectively, terminating at the rear of the boiler on
top of the flue box adapter, see Figure 2.1 (p3). A
minimum vertical height of 1m is recommended for
the flue. The flue spigot provided is suitable for
accepting twin-wall flue pipe. Sealing of the flue to
the spigot should be made using a suitable caulking
string and cold caulking compound.
It is important, for service requirements, that the flue
system is fully self supporting. Check the flue and
chimney are clear from obstruction.
10.2.1 Flue Kit Fitting.
Applicable for M200 and M300 boilers only.
1) Affix self adhesive gasket onto the die cast flue
sockets and loosely affix the Toro clamps over
the outside edges of the socket.
2) Fit the flue sockets over the spigots on the flue
box and tighten the Toro clamp until the socket
lightly contacts the spigot.
3) Lift flue box into position ensuring that the flue
sockets locate correctly onto the respective
mounting studs on the rear face of the boiler
casing. Fit nuts and washers and secure the
sockets to the boiler case.
4) Loosen Toro clamp and remove flue box. It will
be noted that the flue socket is provided with an
internal shoulder. Apply a suitable sealing
compound around this shoulder then refit the
flue box ensuring that the spigot makes contact
with the shoulder.
5) Re-tighten Toro clamps.
10.3
Water Connections
See Figure 2.1 (p3). for position of water
connections (flow and return). Care must be taken
when installing water system pipework that undue
stress is avoided on the boiler flow and return
connections (identified by red and blue dots). It is
recommended that unions are fitted local to the
boiler to permit future servicing requirements. Fully
closing valves must not be connected to both flow
and return pipes unless the boiler is fitted with an
individual, correctly sized and positioned safety
valve. It is recommended that a 3-way 'L' port valve
is fitted in the flow connection to allow an open vent
situation should the boiler need to be fully isolated
from the system.
Optional reverse return water manifold kits are
available for models M200 and M300 Refer to
Section 1.8
(p1).
9.3 Milton Boiler Sequence Control and Sequencing
Interface Module (Optional)
Refer to the Milton boiler sequence control manuals for
details of its installation.
The sequencing interface module is supplied as a kit for
site assembly to the boiler control panel(s). Refer to the
installation instructions supplied with the kit for assembly
details.
The sequencing interface module incorporates a
10way plug/socket screw terminal block to make the
site wiring connections. Refer to Figure 8.12 (p12)
and the Milton boiler sequence control installation
manual for wiring connection details.
Note:
Each sequencing interface module is supplied
with a 4 pole relay which is fitted to the relay base
marked ‘RL5’ on the control panel main PCB. PCB
jumper links marked ‘LK1’ and ‘LK2’
MUST
also be
removed from the control panel main PCB and
discarded.
10.0
BOILER ASSEMBLY AND INSTALLATION
10.1
General
Each boiler is normally despatched to site as a pre-
assembled unit for floor mounting and should be
stored in a weatherproof place prior to installation. In
the case of the M200 and M300 boilers, there will
also be a pack containing the flue box system for
each boiler.
The boiler should be positioned to allow at least the
minimum clearances detailed in Figure 2.1 (p3)
allowing rear access for pipework and flue
connections.
During installation, care must be taken to prevent
damage to the boiler casing panels prior to the
contract completion.
10.2 Connection of Boilers to the Flue System
.
Notes on the recommendation for design of the flue
system are given in
Section 6:FLUE SYSTEM.
No fixed draught diverter is fitted to the boiler, nor is
one required in the flue system. Flues must be
constructed with suitable materials to resist
corrosion against the acidic nature of the flue gases.
Materials used in the joints must also resist attack.
For the M100, the flue connection is a spigot with an
ID of 102mm, terminating at the rear of the boiler,
see Figure 2.1 (p3). It is recommended that
connection to a flue system is via an elbow off the
boiler and a minimum vertical height of 1m.
For M200 and M300 models, the flue connection is
a spigot with ID’s of 153mm and 204mm
Содержание Wessex 100 M100
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