27
Commissioning
7.8
Completion
For the Repub lic of Ireland it is necessar
y to complete a
“Declaration of Conformity” to indicate compliance to I.S. 813. An
example of this is given in the current edtion of I.S. 813. In addi-
tion it is necessary to complete the Log Book.
7.9
Operational Checks
1.
The flue system must be visibly checked for soundness.
2.
Run the Centr al Heating and manipulate the Centr
al
Heating temperature control knob to chec k the gas pres-
sures at high and low fire with a pressure guage/manome-
ter, and adjust if necessary.
3.
Range rate the ther mal power for Central Heating, as
detailed in
S
ECTION
8.2
4.
Run the Domestic Hot Water, manipulate the Domestic Hot
Water temperature control knob to check the gas pressures
at high and low fire with a pressure guage/ manometer, and
adjust if necessary.
5.
Balance the Central Heating system until all retur n temper-
atures are correct and equal.
6.
Turn ON/OFF button OFF, disconnect the pressure Gauge ,
retighten screw and re-light boiler.
7.
Re-examine Central Heating, Domestic Hot Water and Cold
Water supplies for soundness.
8.
Check the appearance of the gas flame to assess the ade-
quacy of the combustion air supply.
9.
If external controls have been disconnected, reconnect and
test.
10. Refit boiler casing.
1.
Hand over the copy of the End User Instr uctions supplied
with the appliance , together with these instr uctions, and
explain how to use the timeclock and room thermostat if fit-
ted.
2.
Show the End User ho w to switch the appliance off quickly,
and indicate the position of the electr ic supply isolator.
3.
Inform the End User of the location of all dr ains, isolating
valves and air vents.
4.
Explain how to turn the appliance off for both short and long
periods and advise on the precautions necessary to prevent
damage in the event that the appliance is inoper ative when
freezing conditions occur.
5.
Finally advise the End User that, for continued safe and effi-
cient operation, the appliance must be serviced by a compe-
tent person at least once a y ear.
7.10 Instructing The End User
Draining the Heating System
The heating system must be drained as follows:
- Turn off the boiler;
- Attach a hose pipe and open the dr ain valve;
- Drain the system at the lowest points (where present). When
the heating system is unused for an extended period of time,
it is recommended that y ou add antifreeze with an eth ylene
glycol base to the w ater in the heating pipe w ork and radia-
tors if the ambient temper ature drops below 0°C during the
winter.
This makes repeated draining of the entire system unneces-
sary.
Draining the Domestic Hot Water System
Whenever there is the danger of the temperature dropping below
the freezing point, the domestic hot w
ater system m ust be
drained as follows:
- Turn off the general water valve for the household plumbing
system;
- Turn on all the hot and cold w ater taps;
- Empty the remaining water from the lowest points in the sys-
tem (where present).
7.7
Draining the System
Содержание INTESA TP23
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