Specifications

Table Of Contents

Control Specification SiBE12-713

82 Function and Control

3. Control Specification

3.1 Mode Hierarchy

Outline There are two modes; the mode selected in user’s place (normal air conditioning mode) and

forced operation mode for installation and providing service.

Detail 1. For heat pump model

There are following modes; stop, cooling (includes drying), heating (include defrosting)

2. For cooling only model

There are following models; stop and cooling (including drying).

Note: Unless specified otherwise, an indoor dry operation command must be regarded as cooling

operation. An indoor fan operation command cannot be made in a multiple indoor unit. (A forced

fan command to the indoor unit from the outdoor unit must be made during forced operation.)

Determine Operating Mode

Judge the operating mode command set by each room in accordance with the instructing

procedure, and determine the operating mode of the system.

The following procedure will be taken as the modes conflict with each other.

*1.The system will follow the mode determined first. (First-push, first-set)

*2.For the rooms set with different mode, select stand-by mode. (Operation lamp flashes)

Air conditioner control mode

Forced operating mode

Forced cooling

Forced heating

Check incorrect wiring

Normal operating mode

Cooling

Heating

Defrosting

Stop mode (except for cooling/heating modes by indoor command)

Preheat operation

During C (capacitor) is discharging

Stop

(R1373)