Halstead EDEN X Type VBX 30, Инструкции по установке и обслуживанию

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5
COMMISSIONING & TESTING
FILLING THE WATER SYSTEM
5.1
Before commissioning the appliance, the whole gas installation
including the meter MUST be purged and tested for gas tightness in
accordance with BS 6891: 1988.
Open all doors and windows, extinguish naked lights,
and DO NOT SMOKE whilst purging the gas line.
!
Before commencing the commissioning procedure, ensure that the gas
service cock is turned on, the electricity supply is isolated, and that the
CH pipe-work is complete. Fill the water systems by following the
procedure detailed below in steps a) and b), and referring to Figure 20.
It is recommended, where possible, to flush the CH
system without the appliance fitted, to avoid debris
and flux blocking the waterways within the
appliance.
20
a) All Systems
A competent person in accordance with the current issue of BS6798
should carry out commissioning.
Fill the system with cold water. Vent the system via the radiator valves
and system air vents in accordance with normal practice. Ensure that
all system air vents are closed.
MANUAL BLEED
VALVE
CH RETURN
CH FLOW
To aid venting, a manual air vent is provided on the
LHS of the heat exchanger.
Check the system for soundness.
Drain the entire system to flush out any debris, and refill making sure
that all the air is properly vented from the system and pump. Repeat
this instruction with the system hot. It is recommended that the system
be cleaned with a recognised system cleaner such as Fernox or Sentinel.
Prior to lighting the appliance to check the gas rates, the central heating
system should be checked for circulation by operating the appliance with
the gas turned off, this is to ensure that no air locks occur. The appliance
may go into ignition lockout and require resetting.
b) Sealed Systems
Fill the system until the pressure gauge registers 2.0 bar. Clear any
locks and check for soundness.
Check the operation of the pressure relief valve (figure 21) by lifting the
lever on the valve gently to ease the valve of its seat. Checking that water
is discharged, release the lever and ensure that the valve seats correctly
and does not leak. Where this is not possible a manual check should be
carried out.
Release the cold water to the initial design pressure.
Do not use the pressure relief valve to drain the
system, because dirt or debris could prevent the
valve seating correctly. If the valve leaks or sticks
closed, then replace it.
COMMISSIONING THE APPLIANCE
5.2
Refer to Figure 22
a) Slacken the screw in the appliance inlet pressure test point and
connect a suitable manometer. Refer to Figure 23.
b) Check that the gas supply is turned ON and the gas service cock is
OPEN.
c) Switch on the electrical supply.
d) Turn the CH temperature Control knob to the midpoint between the
minimum and maximum setting. The display changes from '
o
' to ' '.
e) Ensure programmer and room thermostat (if fitted) are calling for
heat.
f) The display changes to '
H
'. The fan should start and after a few
seconds an ignition will commence.
21
PRESSURE
RELIEF
LEVER
PRESSURE GAUGE CAPILLARY
PRESSURE GAUGE
NOTE
THESE COMPONENTS ARE NOT SUPPLIED
BY HALSTEAD BOILERS LTD.
21
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