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 specications. 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

20180702 Swegon reserves the right to alter specications.

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 specications. 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

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