Ferroli RVL-I PLUS, Руководство по установке и обслуживанию

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In order to ensure optimal availability of the unit, a number of checks and inspections on the unit and the field wiring have to be
carried out at regular intervals .
This maintenance needs to be carried out by your local technician . In order to ensure optimal availability of the unit, a number of
checks and inspections on the unit and the field wiring have to be carried out at regular intervals.
This maintenance has to be carried out by your local Midea technician .
The described checks must be executed at least once a year by qualified personnel.
1 . Water pressure
Check if the water pressure is above 1 bar . If necessary add water .
2. Water filter
Clean the water filter.
3 . Water pressure relief valve
Check for correct operation of the pressure relief valve by turning the black knob on the valve counter-clockWise:
■ If you do not hear a clacking sound, contact your local dealer.
■ In case the water keeps running out of the unit, close both the water inlet and outlet shut-off valves first and then contact your
local dealer .
4 . Pressure relief valve hose
Check that the pressure relief valve hose is positioned appropriately to drain the water .
5 . Backup heater vessel insulation cover
Check that the backup heater insulation cover is fastened tightly around the backup heater vessel .
6. Domestic hot water tank pressure relief valve (field supply)
Applies only to installations with a domestic hot water tank . Check for correct operation of the pressure relief valve on the domestic
hot water tank .
7 . Domestic hot water tank booster heater
Applies only to installations with a domestic hot water tank . It is advisable to remove lime buildup on the booster heater to extend
its life span, especially in regions with hard water . To do so, drain the domestic hot water tank, remove the booster heater from the
domestic hot water tank and immerse in a bucket (or similar) with lime-removing product for 24 hours .
8 . Unit switch box
■ Carry out a thorough visual inspection of the switch box and look for obvious defects such as loose connections or defective
wiring .
■ Check for correct operation of contactors with an ohm meter. All contacts of these contactors must be in open position.
9 . Use of glycol
(Refer also to section "HYDRAULIC CONNECTIONS" ) Document the glycol concentration and the pH-value in the system at
least once a year .
■ A PH-value below 8.0 indicates that a significant portion of the inhibitor has been depleted and that more inhibitor needs to be
added .
■ When the PH-value is below 7.0 then oxidation of the glycol occurred, the system should be drained and flushed thoroughly
before severe damage occurs . Make sure that the disposal of the glycol solution is done in accordance with relevant local laws
and regulations .
ELECTRIC SHOCK
■ Before carrying out any maintenance or repair activity, always switch off the circuit breaker on the supply panel, remove the
fuses (or switch off the circuit breakers) or open protection devices of the unit .
■ Make sure that before starting any maintenance or repair activity that the power supply to the outdoor unit is switched off.
■ Do not touch live parts for 10 minutes after the power supply is turned off because of high voltage risk.
■ The heater for the compressor may operate even in stop mode.
■ Please note that some sections of the electric component box are hot.
■ Make sure you do not touch a conductive section.
■ Do not rinse the unit. This may cause electric shocks or fire.
■ When service panels are removed, live parts can be easily touched by accident.
Never leave the unit unattended during installation or servicing when service panel is removed .
DANGER
SAFETY AND MAINTENANCE