SISDD-EC Filtered Fresh Air Supply Unit

High efficiency direct drive motor for energy efficient low maintenance applications.
Side intake provides a means to meet supply and exhaust air separation in restaurant applications.
Easy on-site addition of customer supplied air supply duct extension provides additional separation where necessary.
Filters designed with large surface area for efficient filtration.
EC Motor offers true variable speed operation and up to 70% energy savings over PSC motors.

MODEL	MOTOR			TYPICAL MAXIMUM CFM @ SP
	HP	Variable Speed	Max RPM	Speed	1/4"				1/2"				3/4"				1"				1 1/4"
	HP	Variable Speed	Max RPM	Speed	CFM	BHP	FEI	FEPact (KW)	CFM	BHP	FEI	FEPact (KW)	CFM	BHP	FEI	FEPact (KW)	CFM	BHP	FEI	FEPact (KW)	CFM	BHP	FEI	FEPact (KW)
SIS9DD050EC	1/2	Y*	1200	High	1550	-	-	-	1450	-	-	-	1350	-	-	-	1200	-	-	-	450	-	-	-
SIS9DD050EC	1/2	Y*	1200	Low	600	-	-	-	600	-	-	-	600	-	-	-	500	-	-	-	400	-	-	-
SIS9DD100EC	1	Y*	1200	High	2000	0.98	0.65	0.87	1944	1.00	0.74	0.89	1700	0.87	0.86	0.78	1186	0.55	1.07	0.52	350	0.28	1.00	0.28
SIS9DD100EC	1	Y*	1200	Low	600	0.08	1.69	0.11	600	0.12	1.62	0.14	600	0.18	1.44	0.20	500	0.24	1.20	0.25	350	0.28	1.00	0.28
SIS10DD050EC	1/2	Y*	1100	High	1750	-	-	-	1400	-	-	-	1150	-	-	-	800	-	-	-	-	-	-	-
SIS10DD050EC	1/2	Y*	1100	Low	600	-	-	-	400	-	-	-	400	-	-	-	400	-	-	-	-	-	-	-
SIS10DD100EC	1	Y*	1100	High	2280	0.99	0.68	0.88	2050	0.98	0.74	0.87	1800	0.96	0.78	0.86	1379	0.83	0.81	0.75	669	0.57	0.77	0.53
SIS10DD100EC	1	Y*	1100	Low	600	0.10	1.44	0.13	400	0.10	1.62	0.13	400	0.23	0.94	0.24	400	0.33	0.81	0.33	300	0.37	0.73	0.36
SIS12DD050EC	1/2	Y*	1000	High	2300	-	-	-	1925	-	-	-	1500	-	-	-	850	-	-	-	600	-	-	-
SIS12DD050EC	1/2	Y*	1000	Low	600	-	-	-	400	-	-	-	400	-	-	-	400	-	-	-	300	-	-	-
SIS12DD100EC	1	Y*	1000	High	3100	0.99	0.84	0.88	2800	0.99	0.92	0.88	2550	1.00	0.99	0.89	2254	0.99	1.03	0.88	1650	0.97	0.97	0.87
SIS12DD100EC	1	Y*	1000	Low	600	0.08	1.65	0.11	400	0.13	1.22	0.15	400	0.21	1.01	0.22	400	0.31	0.85	0.31	300	0.35	0.77	0.35
*Minimum motor speed 425 RPM (EC Models).
EC Motors can be controlled using the built in potentiometer on motor or by using a 0 to 10 V controller, or by a remote potentiometer.
REVIEW FAN CURVES BEFORE ADJUSTING RPM TO ENSURE LOAD DOES NOT EXCEED MOTOR HP.

Dimensions

MODEL

A

B

D

E

F

G

H

L

M

Z

FILTERS

*INSIDE
CABINET

WEIGHT (lbs) without motors

SIZE

QUANTITY

SIS-9DD

24 3/8"

19 3/8"

10 1/4"

11 13/16"

6 9/32"

7 1/16"

19 1/4"

16 9/16"

21 1/4"

16" x 24" x 1"

1

24"x 24"

70

SIS-10DD

28 3/8"

21 3/8"

11 3/8"

13 1/8"

7 5/8"

8 1/2"

20 1/2"

18 9/16"

25 3/4"

15" x 20" x 1"

2

28"x 28"

87

SIS-12DD

32 3/8"

24 5/8"

13 7/16"

15 5/8"

8 3/8"

9 15/32"

25 3/8"

21 9/16"

30 3/4"

20" x 25" x 1" &
16" x 25" x 1"

1 & 1

32"x 32"

117

*CURB SIZE TO BE SMALLER THAN INSIDE CABINET TO ALLOW FOR FLASHING AND ROOFING.

**INCLUDES FILTER SECTION.