Wire connection change of fan motor | Toshiba RAV-SM2802DT-TR

nWire connection change of fan motor

This duct is composed of 3 fan motors.

To change external static pressure by duct resistance, connect the 3 connectors of the orange lead wires that are connected to the underside of the fan tap changing terminal block to the same number

(F1, F2 or F3) terminal.

The wires of the fan motor has been connected to (F2) [External static pressure 137Pa (14mmAq)] as factory default.

Low static pressure (F1)


Fan motor	YEL	BLU	ORG	Fan motor
	YEL	BLU	ORG

YEL

BLU

ORG

Fan motor

YEL

BLU

YEL: Yellow

BLU: Blue

ORG: Orange

ORG

F1 F2 F3 F4

ORG

FAN3

FAN2

Standard (Middle) static pressure (F2)

ORG

FAN1

Fan tap changing terminal block

Fan motor		ORG	Fan motor		ORG	Fan motor	BLU	ORG
YEL	BLU	ORG	YEL	BLU	ORG	YEL	BLU	ORG
F1 F2 F3 F4			F1 F2 F3 F4			F1 F2 F3 F4
ORG		FAN3	ORG		FAN2	ORG		FAN1

High static pressure (F3)

Fan motor		Fan motor			ORG	Fan motor			ORG
YEL	BLU	ORG	YEL	BLU	ORG		YEL	BLU	ORG
F1 F2 F3 F4			F1 F2 F3 F4				F1 F2 F3 F4
	ORG	FAN3		ORG		FAN2		ORG	FAN1
	ORG			ORG				ORG

Electrical control box

Control

P.C. board

4P terminal block

3P terminal

2P terminal block block

Terminal block No.	Fan motor wiring	External static pressure		Remarks
Terminal block No.	Fan motor wiring	Pa (mmAq)		Remarks
		Pa (mmAq)

F1	Yellow	69	(7)
F1	Low static pressure	69	(7)
	Low static pressure

F2	Blue	137	(14)	Factory default
F2	Middle static pressure	137	(14)	Factory default
	Middle static pressure

F3	Orange	196	(20)
F3	High static pressure	196	(20)
	High static pressure

∗Do not use F4.

NOTE

When the external static pressure is changed, write down the static pressure once change in the wiring diagram of the indoor unit is made.

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