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WARNING: the system envisages two types of mer management:

• COUNTDOWN mode this mode manages programmed unit on-o operaons by specifying an “interval” (in hours) aer which

the unit will switch on or o;

• CLOCK mode: this mode manages programmed unit on-o operaons by specifying a me when the operaons will be per-

formed (in this case, the system clock is acvated and displayed);

To set the required management mode, use parameter P33 in the Parameters Menu (for more information, see

paragraph “operating parameters”); the default is: “COUNT DOWN”.

Modifying the programmed ON/OFF timer (COUNTDOWN mode):

To set programmed ON or OFF operations using the countdown mode, perform the following operations:

(1) Press the “TIMER” button (if the Indoor unit is ON, the procedure will set a countdown to switch the unit OFF, otherwise the

operations will set a time after which the unit will be switched ON); at this stage, the number of hours is shown after which the

ON or OFF operation will be performed (next to this number, the wording “HOUR” will begin to ﬂash);

(2) press the ( ) or ( ) buttons,

respectively to decrease or increase the counter by 0.5 hours;

(3) press the “TIMER” button again to save the settings; the wording “HOUR” will become steady;

WARNING: after saving data, pressing the “TIMER” button again will cancel the previous setting.

the icon begins

to ash

the icon becomes steady

(1) (2)

(3)

WARNING: once the unit is switched ON

using a mer funcon, it will resume the

funcons and sengs in use before the

system was switched o for the last me.

AERMEC WRC User Manual

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