4
Mounting Centres Dimensions
B
1
A
B
Unit
2
A
B
Airmover
Silencer SIL-S or SIL-L
Silencer SIL-S or SIL-L
Silencer SIL-S or SIL-L
3
Unit
Free air space
A
Free air space
Free air space
Unit
code
Unit only
A B
DSA315 & 450
DSA500
DSA560 & 630
DSA800
DSA1000
DSM315
DSM400
DSM500
DSM630
DSM800
DSM1000
DSM1250
SIL-S
+Unit
A B
SIL-L
+Unit
A B
SIL-S+Unit
+SIL-S
A B
SIL-L+Unit
+SIL-L
A B
SIL-L+Unit
+SIL-S
A B
It is essential that silencers are always fitted with the free air space
near the unit, as performance may otherwise be impaired.
1. Unit only.
2. Unit with silencer fitted
one side only. Could be either side.
3. Unit with silencer fitted
on both sides. Could be two off SIL-S
silencers, two off SIL-L or one of each.
Horizontal Mounting
Installation and Maintenance
DUCTMASTER DSA & DSM UNITS
DSM315,1,2,3
DSM315,4,5
DSM400,1,2
DS,500,3,4,5
DSM500,6,7,8
DSM630,1,2,3
DSM800,4,5
DSM1000,1
DSM1000,2,3,4
DSM1250,5,6
DAV1
DAV1
DAV1
DAV1
DAV1
DAV2
DAV5
DAV3
DAV4
DAV34
A
A
A
C
A
C
C
C
C
C
A
A
B
C
B
C
C
C
C
C
A
A
B
C
B
C
C
C
C
C
A
A
B
C
B
C
C
C
C
C
A
A
B
C
B
C
C
C
C
C
A
A
B
C
B
C
C
C
C
C
DAV1
DAV1
DAV2
DAV2
DAV2
DAV5
DAV3
DAV6
DAV6
DAV34
DAV2
DAV2
DAV2
DAV5
DAV5
DAV3
DAV6
DAV34
DAV34
DAV34
DAV1
DAV2
DAV2
DAV5
DAV5
DAV5
DAV4
DAV34
DAV34
DAV34
DAV2
DAV2
DAV2
DAV3
DAV3
DAV4
DAV6
DAV34
DAV34
DAV35
DAV2
DAV2
DAV5
DAV5
DAV5
DAV3
DAV6
DAV34
DAV34
DAV34
Kit
Kit
Kit
Kit
Kit
Kit
Type
Type
Type
Type
Type
Type
DSM only
DSS*S+ DSM
DSS*S + DSM
+ DSS*S
DSS*L + DSM
DSS*L + DSM
+DSS*L
DSS*L+ DSM
+DSS*S
Ductmaster
Square Mixed
Flow Code
DSA315
DSA350
DSA400
DSA450
DSA500
DSA560
DSA630
DSA800
DSA1000
DAV1
DAV1
DAV1
DAV1
DAV1
DAV1
DAV2
DAV34
DAV34
DAV2
DAV2
DAV2
DAV2
DAV2
DAV5
DAV5
DAV34
DAV34
DAV5
DAV5
DAV5
DAV5
DAV5
DAV4
DAV4
DAV34
DAV34
DAV5
DAV5
DAV5
DAV5
DAV5
DAV5
DAV3
DAV34
DAV34
DAV3
DAV3
DAV3
DAV3
DAV4
DAV4
DAV4
DAV34
DAV34
Kit
Kit
Kit
Kit
Kit
DSA only
DSS*S+ DSA
DSS*S + DSA
+ DSS*S
DSS*L + DSA
DSS*L + DSA
+DSS*L
Ductmaster
Square Axial
Code
