Boiler Shutdown; Restore Central Heating System Pressure; Draining The System; Draining The Domestic Hot Water Circuit - Immergas VICTRIX TERA VIP Instructions And Warnings

2.7

BOILER SHUTDOWN.

Switch the boiler o by putting it in "o " mode, disconnect the
omnipolar switch outside of the boiler and close the gas cock
upstream from the appliance. Never leave the boiler switched on
if le unused for prolonged periods.
2.8 RESTORE CENTRAL HEATING SYSTEM
PRESSURE.
Periodically check the system water pressure.
gauge should read a value of between 1 and 1.2 bar.
If pressure falls below 1 bar (with the circuit cold), restore normal
pressure via the cock located at the bottom of the boiler (Part. 28
Fig. 33).
N.B.: close the valve a er the operation.
If pressure values reach around 3 bar the safety valve may be
activated.
In this case, remove water from a radiator air vent valve until a
pressure of 1 bar is achieved, or ask for assistance from profes-
sionally quali ed personnel.
In the event of frequent pressure drops, contact quali ed sta for
assistance to eliminate the possible system leakage.
2.9

DRAINING THE SYSTEM.

To drain the boiler, use the special draining valve (Fig. 4).
Before draining, ensure that the lling cock is closed.
ATTENTION:
if glycol was input in the system's circuit,
make sure it is discharged into the waste
water system, pursuant to regulation EN 1717
2.10 DRAINING THE DOMESTIC HOT WATER
CIRCUIT.
To do this, always close the domestic cold water inlet upstream
of the appliance.
Open any domestic hot water tap to discharge the pressure from
the circuit.

2.11 ANTIFREEZE PROTECTION.

e boiler has an antifreeze function that switches the burner on
automatically when the temperature drops below 4°C (standard
protection to minimum temperature of -5°C). All information
relative to the antifreeze protection is stated in (Par. 1.4). In order
to guarantee the integrity of the appliance and the domestic hot
water heating system in zones where the temperature drops below
zero, we recommend the central heating system is protected using
e boiler pressure anti-freeze liquid and installation of the Immergas Antifreeze Kit
in the boiler. In the case of prolonged inactivity (second case), we
also recommend that:
- disconnect the electric power supply;
- the central heating circuit and boiler domestic hot water circuit
must be drained. In systems that are drained frequently, lling
must be carried out with suitably treated water to eliminate
hardness that can cause lime-scale.

2.12 CLEANING THE CASE.

Use damp cloths and neutral detergent to clean the boiler casing.
Never use abrasive or powder detergents.

2.13 DECOMMISSIONING.

In the event of permanent shutdown of the boiler, contact profes-
sional sta for the procedures and ensure that the electrical, water
and gas supply lines are shut o and disconnected.
2.14 GAS SYSTEM NOT USED FOR PERIODS OVER 12
e current regulation provides that gas systems not used for
over 12 months must be checked prior to being used again, as per
regulations in force, by professionally quali ed sta .
If the inspection is successful, the boiler can be recommissioned
according to the instructions speci ed in point 3 herein.
MONTHS.
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