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Document No. 129-401 
Installation Instructions 
January 18, 2008 

NOTE: 

It is possible to configure the actuator 
for split range operation 12 to 4 mA and 
20 to 12 mA. Consult your Combustion 
Products Sales Representative for 
details authorized Siemens Building 
Technologies. 

25% 50% 75% MAX

MIN

25%

50%

75%

MAX

MIN

Y

0...3

EA0560R1

16 mA

18 mA

20 mA

14 mA12 mA

10 mA

 8 mA

 6 mA

 4 mA

 

Figure 9.  Split Ranging.

 

Cover Installation 

Lift the two screws on the cover corners and slide the 
cover end into the groove at the gear end of the actuator 
(See Figure 10). 
 
Press the cover into place and then press the screws 
inward and tighten (See Figure 11). 

EA0567R1

     

EA0563R1

 

 

Figure 10. 

Figure 11. 

The installation is now complete. 

 

Dimensions 

M 8

1-3/4

(44.5)

2-3/16

(55.5)

ALLOW 3.5" SPACE FOR

COVER REMOVAL

1-3/16

(30)

5/8

(16)

2-5/8

(67)

1/4

(6)

1-3/16

(30)

2-1/16

(52.5)

2-1/16

(52.5)

1-7/16

(36)

EA0522R2

5-1/4
(133)

7-1/16

(180)

2-1/16

(52.5)

2-1/16

(52.5)

3/8

(10)

Pg 13.5 / 1/2"

NPSM

M6

 

                        

7-1/16

(180)

5/16

(8.5)

6-7/16

(164)

5/16

(7.5)

1/16

(1)

1/8

(3.5)

EA0542R3

4-7/16

(113)

3 -1/8

(80)

5-3/16

(132)

M6

 

Figure 6.  SQM5x.xxxRxx Dimensions in Inches (Millimeters). 

Information in this publication is based on current specifications. The company reserves the right to make changes in specifications and models as 
design improvements are introduced. Other product or company names mentioned herein may be the trademarks of their respective owners.  
© 2008 Siemens Building Technologies, Inc. 

 

Siemens Building Technologies, Inc.

 

1000 Deerfield Parkway 
Buffalo Grove, IL  60089-4513 
U.S.A. 

Your feedback is important to us. If you have 
comments about this document, please send them 
to 

[email protected]

 

 

Document No. 129-401 

Country of Origin: US 

Page 6 of 6

 
 

Summary of Contents for SQM50 series

Page 1: ...cedures as specified Installation Cover Removal Use a Phillips screwdriver to loosen the two screws on the actuator cover corners See Figure 1 Lift the screws and raise the cover See Figure 2 EA0564R1 EA0568R1 Figure 1 Figure 2 Rotational Direction Verification Actuator model numbers that end with R are factory configured for clockwise cw minimum to maximum rotation when facing the gear end of the...

Page 2: ...en 0 and 135 Shaft Adjustment The actuator shaft can be disengaged by pressing the silver shaft release button The shaft release button is located above the grounding screw under the hinged terminal protection cover and to the right of the auto manual switch After pressing the shaft release button in and slightly upward the shaft can be manually rotated After the shaft has been manually aligned to...

Page 3: ...marked 51 during high voltage testing Reconnect it to the grounding terminal after the test EA0557R6 AGA56 9 Y0 3 25 50 75 MAX MIN 0 o r 1 2 m A 1 0 m A 8 m A 6 m A 1 4 m A 1 6 m A 1 8 m A 25 50 75 MAX 4 m A 2 0 m A MIN Z F POS POS LIN Y0 3 Y0 3 POS 2 1 J1 J2 2 REG MAX MIN Y0 3 MIN MAX OPE MAX MIN MAX MIN SHIFT LIN 1 2 V 135 Ohm 4 20 mA 0 10 V 0 20 mA 4 20 mA 0 10 V 0 20 mA 4 20 mA 1 2 3 11 21 M I...

Page 4: ...e actuator to the maximum high fire purge position Once the maximum position is reached terminal 11 on switch I will be energized to provide position feedback 7 Connect power to terminal ZL to drive the actuator to the minimum low fire position Once the minimum position is reached terminal 23 on switch III will be energized to provide position feedback Adjustment of switch III will determine the l...

Page 5: ...ional movements when subjected to lower input signals and larger rotational movements when subjected to higher input signals For example based on a 90 modulating range a change in input signal from 4 to 8 mA will cause a rotational movement of 11 25 An equal change from 16 to 20 mA will cause a rotational movement of 45 Thus with the linearization function enabled the change in flow is closely pro...

Page 6: ...55 5 ALLOW 3 5 SPACE FOR COVER REMOVAL 1 3 16 30 5 8 16 2 5 8 67 1 4 6 1 3 16 30 2 1 16 52 5 2 1 16 52 5 1 7 16 36 EA0522R2 5 1 4 133 7 1 16 180 2 1 16 52 5 2 1 16 52 5 3 8 10 Pg 13 5 1 2 NPSM M6 7 1 16 180 5 16 8 5 6 7 16 164 5 16 7 5 1 16 1 1 8 3 5 EA0542R3 4 7 16 113 3 1 8 80 5 3 16 132 M6 Figure 6 SQM5x xxxRxx Dimensions in Inches Millimeters Information in this publication is based on current...

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