Balcar R410A service manual Air Ducting Work, Static pressure characteristics of each model, 103

RAV-SM560, 561, 800, 801BT-E

RAV-SM1101, 1401BT-E

4 AIR DUCTING WORK

Static pressure characteristics of each model

Fig. 1 RAV-SM561BT (Round duct)

Standard air volume 780m³/h

140

120

High

static

pressure

100

limit

2H

tap

Usable

High

(Pa)

static

80

pressure

1H

Static pressure

tap

volume limit (Min.)

volume limit (Max.)

60

Standard

H

tap

40

Low

static

Air

pressure

Air

H

20

Standard

tap

L

tap

0

500

700

780

900

Air volume m³/h

Fig. 3 RAV-SM801BT (Round duct)

	140					Standard air volume 1140m³/h
	120
						High
						static
						pressure
	100							2H	tap
				limit
			Usable		High
						static
(Pa)	80					pressure	1H	tap
pressure
	60
Static		(Min.)			Standard				(Max.)
						H tap
	40	limit	Low		static				limit
						pressure
		volume				H tap			volume
	20					Standard L
		Air				tap			Air
	0
	800			1000		1140	1200		1300

Air volume m³/h

Fig. 2 RAV-SM561BT (Square duct)

Standard air volume 780m³/h

140

High

static

pressure

120

limit

2H

tap

108

Usable

100

High

static

pressure

1H

tap

(Pa)

80

pressure

(Min.)

Standard

(Max.)

60

H

tap

Static

volume limit

volume limit

Low

static

pressure

40

H

tap

Air

Air

Standard

20

L

tap

0

500

700

780

900

Air volume m³/h

Fig. 4 RAV-SM801BT (Square duct)

Standard air volume 1140m³/h

	140
					High
	120				static			pressure
									2H	tap
				limit
	100		Usable		High
					static
					pressure
								1H	tap
(Pa)	80
Static pressure		limit (Min.)			Standard					limit (Max.)
	60				H tap
				Low
					static
	40	volume			pressure		H tap			volume
					Standard L
		Air				tap				Air
	20
	0
	800			1000		1140		1200		1300

Air volume m³/h

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