Vaillant ecoMAX pro 18E, Инструкция по использованию, установке и обслуживанию

Страница: 18 / 40

Instructions for Use, Installation and Servicing ecoMAX pro
18
COUPLING
10 Gas, Water and Condensate connections
10.1 Gas Connection
Before connection check the supply of local gas.
The gas supply can be connected from below, or through
the wall at the rear of the boiler. See fig 10.1. and refer to
section 4.3.
The whole of the gas installation, including the meter,
should be inspected, tested for soundness and purged
in accordance with the current issue of BS6891 and
in IE the current edition of I.S.813 “Domestic Gas
Installations”.
10.2 Water Connections
Provision is made for the water connections to be made
from above the boiler, see fig 10.2 (using the two 22mm
compression couplers supplied). The position is shown
on the wall template.
Flush out the domestic hot water and the heating
systems before connecting to the boiler.
10.3 Condensate Drain Connection, refer to fig.10.1.
The condensate drian connection is at the underside rear
of the boiler.
The condense drain is suitable for use with
standard "Push fit" overflow pipe and couplings DO NOT
use adhesive when connecting to the spigot (1) The
condense drain pipe (2) should be non corrosive plastic.
The drain pipe should have a continuous fall of a least
(45mm per metre) away from the boiler. Condensate
should, if possible be discharged into the household
internal drainage system.
(a) Preferably the drain pipe should run and terminate
internally to the house soil and vent stack at least 450mm
above the invert of the stack. A trap giving a water seal
of at least 75mm should be incorporated into the pipe
run, and there must be an air break in the discharge pipe
upstream of the trap. This should be designed so that the
condensate cannot be discharged into the house if the
condensate drain pipe becomes blocked.
(b) Connecting into the internal discharge branch
(e.g. sink waste or washing machine) with an external
termination, the condensate drain pipe should have a
minimum diameter of 22mm with no length restriction
and should incorporate a trap with a 75mm (3) seal.
The connection should preferably made down stream
of the sink waste trap, if the connection is only possible
up stream, then an air break is needed between the two
taps. This is normally provided by the sink waste.
(c) Termination in a gully (5) below grid level (6) and
above the water level. The external pipe length should be
kept as short as possible to minimise the risk of freezing
and should not be more than 3 metres.
(d) At a condensate absorption point (soakaway) (7) . The
external pipe length should not be more than 3 metres.
Refer to the latest issue of BS 6798 Specification
Fig 10.2
12692
22mm compression is the
recommended fixing
for servicing.
(not supplied)
Fig 10.1
13081
for installation of gas fired boilers of rate input not
exceeding 70kW net for further information.
Before operating the boiler the condensate trap must be
filled with water.