Swegon CRM Series Guide
CRMc
Installation – Commissioning – Maintenance 20180327
Figure 2.Straight duct length demands, see table below.
Figure 1. Installation.
Accessories
Actuator:
Sauter ASM115SK005, ASM124SK002, 24 V AC, standard
actuators depending on size.
Other actuators must be ordered, see actuator table page 3.
Wiring diagrams are displayed on pages 2 to 3.
Knob:
CRTT-1 for manual control.
Quick connection:
FSR. Clamp with quick-acting lock.
Installation
Damper is Inserted into the connecting duct and fixed in
position by pop rivets or by means of an FSR clamp. See
Figures 1 and 2.
Commissioning
Connect hoses from a manometer to the measurement
nipples. Turn and lock the damper blade at the desired
setting angle For particulars of motorised control, we
refer to the actuator supplier’s instructions. K-factors are
shown on the product’s identification label. The K-factor
can also be found in the table, page 4.
Maintenance
Clean the damper whenever needed by means of a
vacuum-cleaner or by wiping surfaces with a cloth.
Methodic Errors
Type of obstruction
upstream of the CRM
Length of straight duct (L)
upstream of the CRM
For m2= 5% For m2=10%
One 90° bend. 3 x Ød 2 x Ød
Two 90° bends in the same
plane.
4 x Ød 2 x Ød
Two 90° bends in aligment at
right angles to one another.
4 x Ød 2 x Ød
One 45° damper. 6 x Ød 3 x Ød
One T-piece. 4 x Ød 3 x Ød
m2= methodic error B22, Building Research Council document
"Methods for the Measurement of Airflows in Ventilation
Installations"
CRM
2Swegon reserves the right to alter specications. 20180702
Figure 5. Installation of actuator CRM 5, size 500 and 630.
First, close the damper entirely, then install the actuator exactly
straight and lock it against the damper shaft. Turn the actuator 5°
past closed setting and lock the position of the actuator.
Figure 4. Installation, actuator size 100-400.
Installation of accessories
Figure 3. Installation, handle CRTT-1
Sauter:
ASM115SK005 (24 V AC/DC)
ASM115K003 (230 V AC)
Sauter:
ASM115SK005 (24 V AC/DC)
ASM115K003 (230 V AC)
Wiring diagrams
24 V AC/DC
0...10 V DC
Sauter:
ASM115SK005
ASM124SK002
Figure 6. Wiring diagram for Sauter, 2 point regulation.
Figure 7. Wiring diagram for Sauter, 3 point regulation.
Figure 8. Wiring diagram for Sauter, 0-10 V stepless/modulating
regulation.
BU = blue
BN = brown
BK = black
RD = red
GY = grey
BU = blue
BN = brown
BK = black
RD = red
GY = grey
(01 = clockwise)
(02 = counter-clockwise)
BU = blue
BN = brown
BK = black
RD = red
GY = grey
3
20180702 Swegon reserves the right to alter specications.
CRM
Belimo:
LM/NM/SM24A (24 V AC/DC)
LM/NM/SM230A (230 V AC)
24 V AC/DC
2...10 V DC
0...10 V DC
Belimo:
LM/NM/SM24A-SR
123
Belimo:
LM/NM/SM24A (24 V AC/DC)
LM/NM/SM230A (230 V AC)
Figure 9. Wiring diagram for Belimo, 2 point regulation.
Figure 10. Wiring diagram for Belimo, 3 point regulation.
Figure 11. Wiring diagram for Belimo, 0-10 V stepless/modula-
ting regulation.
Actuator tables
• Actuators: Sauter 24 V AC, ASM115SK005 and
ASM124SK002 are standard and kept in stock.
• All other actuators are order items.
2 or 3 point regulation – 24 V AC
Variant Size Torque Designation
Sauter Belimo
CRM 1 100-315 5 Nm A S M115S K0 0 5 LM24A
400-630 10 Nm A S M115S K0 0 5 NM24A
CRM 5
100-250 5 Nm A S M115S K0 0 5 LM24A
315- 400 10 Nm A SM115SK0 0 5 NM24A
500-630 15 Nm ASM124SK002 SM24A
2 or 3 point regulation – 230 V AC
Variant Size Torque Designation
Sauter Belimo
CRM 1 100-315 5 Nm A S M115 K0 03 LM230A
400-630 10 Nm A S M115 K0 03 NM230A
CRM 5
100-250 5 Nm A S M115K0 03 LM230A
315- 400 10 Nm A SM115 K0 0 3 NM230A
500-630 15 Nm –SM230A
0-10 V stepless/modulating regulation – 24 V AC
Variant Size Torque Designation
Sauter Belimo
CRM 1 100-315 5 Nm A S M115S K0 0 5 LM24A-SR
400-630 10 Nm A S M115S K0 0 5 NM24A-SR
CRM 5
100-250 5 Nm A S M115S K0 0 5 LM24A-SR
315- 400 10 Nm A SM115SK0 0 5 NM24A-SR
500-630 15 Nm ASM124SK002 SM24A-SR
Electrical data
Actuators – Supply voltage 24 V AC
Make / Model Ambient temp. Power consumption
Sauter AS115SK005 -20...+55°C 8.7 VA
Sauter ASM124SK002 -20...+55°C 4.4 VA
Belimo LM24A / -SR -30...+55°C 2.0 VA
Belimo NM24A / -SR -30...+55°C 3.5 VA
Belimo SM24A / -SR -30...+55°C 4.0 VA
Actuators – Supply voltage 230 V AC
Make / Model Ambient temp. Power consumption
Sauter ASM115K003 -20...+55°C 4.0 VA
Belimo LM230A -30...+55°C 4.0 VA
Belimo NM230A -30...+55°C 6.0 VA
Belimo SM230A -30...+55°C 6.5 VA
CRM
4Swegon reserves the right to alter specications. 20180702
Figure 12. Dimensions (mm), CRM without actuator.
Figure 13. Dimensions (mm), CRM with actuator.
Figure 14. Dimensions (mm), CRTT-1 knob.
Dimensions, weights and K factor (COP)
Size
ØD (mm)
Dimensions (mm) Weight (Kg) Torque*) (Nm) K factor**)
ABH CRM 1 CRM 5 CRM 1 / CRM 5
100 305 45 70 0.8 <3 <3 9.2
125 356 45 70 1.0 <3 <3 9.6
160 356 45 75 1.3 <3 <3 15.8
200 372 45 75 1.6 <3 423.5
250 452 45 75 2.1 <4 535.6
315 538 45 75 3.0 <4 659.2
400 582 57 80 5.0 <4 895.6
500 660 57 80 9.0 <8 12 147.0
630 735 57 80 13.0 <8 15 230.0
*) The torque moment in the table refers to the force that must be applied in order to fully close the damper.
**) Number of measuring tubes: 2
B
A
H
H
B
A
This manual suits for next models
2
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