Siemens QFM81 Series Скачать руководство пользователя страница 5

QFM81 Series Duct Hygrostats 

Technical Instructions 

 

Document Number 155-707 

 

April 21, 2010 

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. Product or company names mentioned herein may be the trademarks of their respective owners. 
© 2010 Siemens Industry, Inc. 

 

Siemens Industry, Inc. 

Building Technologies Division 
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]

 

Dimensions 

 

SEN051

1R1

0.39

(10)

0.65

(16,5)

ø 1.18

(ø 30)

1.64

(41,7)

5.51

(140)

2.87

(73)

2.52

(64)

5.12...6.14

(130..

.156)

0.83

(21)

A

B

Pg 11

9.69

(246)

0.22

(5,5)

1.06

(27)

0.22

(5,5

)

2.13

(54)

A - B

2.24

(57)

1.12

(28,5)

0.24

(6)

1.10

(28)

2.67

(68) 1.65

(42)

2.99

(76)

2.13

(54)

 

 

Figure 4.  Dimensions in Inches (Millimeters). 

 
 
 

 

 

Document No. 155-707 

Printed in the U.S.A. 

Page 5 

 

Содержание QFM81 Series

Страница 1: ...tpoint Range Wh Switching Differential Xd Degree of Protection Setpoint Adjustment QFM81 2 IP 30 Externally QFM81 21 15 to 95 r h Approx 4 rh IP 55 Internally NOTE Includes a mounting flange for duct or wall mounting and a sealing ring for duct mounting Mode of Operation The hygrostat acquires the relative humidity of the air with its humidity sensor which is a stabilized plastic strip The strip a...

Страница 2: ...ement stabilized plastic strip The strip is mechanically linked to the microswitch via a transfer lever Transfer lever microswitch setpoint setting element and connection terminals for connecting the humidification or dehumidification equipment are mounted on a printed circuit board inside the base The connection terminals are protected by a hinged cover to avoid direct access when the cover is re...

Страница 3: ...ity in the ductwork at 5 m s the holes in the stem must face the airflow at 5 m s they must be perpendicular to the direction of airflow see Figure 2 Minimum immersion length When mounting the hygrostat in air ducts the minimum immersion length of the stem 5 12 inches 130 mm must be observed The mounting flange supplied with the unit allows the immersion length to be adjusted between 5 12 inches 1...

Страница 4: ...Permissible ambient temperature Operation 32 F to 158 F 0 C to 70 C Storage transport 22 F to 158 F 30 to 70 C Degree of protection QFM81 2 IP 30 to EN 60 529 QFM81 21 IP 55 to EN 60 529 Safety class II to EN 60 730 conformity to low voltage directive 73 23 EEC UL UL873 cUL Canadian Standard C22 2 No 24 93 Connection terminals for 20 AWG minimum 2 16 AWG maximum Materials Sensing element Polymer C...

Страница 5: ...ndustry Inc Siemens Industry Inc Building Technologies Division 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 SBT_technical editor us sbt siemens com Dimensions SEN0511R1 0 39 10 0 65 16 5 ø 1 18 ø 30 1 64 41 7 5 51 140 2 87 73 2 52 64 5 12 6 14 130 156 0 83 21 A B Pg 11 9 69 246 0 22 5 5 1 06 ...

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