McQuay M5MAC Guide de dépannage télécharger pdf (Page 27)

McQuay Service Guide Book

5.7 Sequential Controller

Outlook

Operating Guide

1. “ON/OFF” Switch

•

Press once to start the air conditioning unit.

•

Press again to stop the unit.

•

The operation lamp next to the key lights up and goes off respectively when the unit is

running or not running.

•

Caution:

In the case when the

ON/OFF

key is pressed immediately after the operation is

stopped, the unit will not restart until 3 minutes later to protect the compressor.

2. Selecting Operating Mode

•

Press the

MODE

key to select the type of operating mode. Consecutive press of the key

switches the operation over “

COOL

”, “

HEAT

”, “

AUTO

” and “

FAN

”

3. SAVE Mode

•

Press the

SAVE

key to select the energy saving function. This option is only available for

“

COOL

”, “

HEAT

” and “

AUTO

” modes.

4. Auxiliary Electric Heater

•

If the “

HEAT

” mode provides insufficient heating to a room even at the highest temperature

setting (30°C), press the HEATER key to activate the auxiliary electric heater. For models

with two heaters, consecutive press of the key allows the selection of one or both heaters

active.

A : Time display

B : Error indication

C : Compressor running display (up

to 4 compressors)

D : Key lock display

E : Heat display (up to 2 heaters)

F : Energy saving mode display

G : Compressor deforst cycle display

(up to 4 compressors)

H : Operation mode display

I : Temperature set display

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McQuay M5MAC Guide de dépannage Page 27

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