Spirax Sarco SI 20 Installation And Maintenance Instructions Manual Download

Page: 1 / 20

IM-P795-04

CH Issue 4

Type 20 and Type 40

Direct Steam Injection (SI) Humidiﬁers

Installation and Maintenance Instructions

1. Safety information

2. General

product information

3. Installation

4. Commissioning

5. Maintenance and

spare parts

6. Trouble shooting

Printed in the UK

IM-P795-04

CH Issue 4

7950050/4

��

�

��

�

Summary of Contents for SI 20

Page 1: ...jection SI Humidi ers Installation and Maintenance Instructions 1 Safety information 2 General product information 3 Installation 4 Commissioning 5 Maintenance and spare parts 6 Trouble shooting Print...

Page 2: ...alues If the maximum operating limits of the product are lower than those of the system in which it is being fitted or if malfunction of the product could result in a dangerous overpressure or overtem...

Page 3: ...se falling objects and dangers to eyes and face 1 11 Permits to work All work must be carried out or be supervised by a suitably competent person Installation and operating personnel should be trained...

Page 4: ...anticipated with its disposal providing due care is taken 1 16 Returning products Customers and stockists are reminded that under EC Health Safety and Environment Law when returning products to Spirax...

Page 5: ...V or 24 V Electronic 0 10 V dc signal with 24 V power supply 2 2 Technical data Separator body design conditions PN6 Maximum operating pressure 4 bar g 58 psi g Maximum operating temperature 152 C 30...

Page 6: ...5 Supply and packaging The packing method used with Spirax Sarco humidifiers will vary with the Type and Model supplied It is important to check the equipment against the order acknowledgement Separat...

Page 7: ...h the flanged or screwed connections of the valve to be installed when the valve is ordered 3 2 3 The connection of the lance to the separator with these fittings allows the correct orientation of the...

Page 8: ...sitioned as shown in Figure 3 page 10 3 3 4 The recommendations on the number of lances for various duct heights are Duct height Number of lances Up to 1000 mm 1 1000 1700 mm 2 1700 2200 mm 3 2200 260...

Page 9: ...nts referred to above As a general guide the lance should be installed such that the nozzles are 0 5 m 20 from the nearest component upstream of the lance see Figure 4 page 10 3 6 Conditions which may...

Page 10: ...malfunction of the main control humidistat In open area humidification from a duct supply the main control humidity sensor would be fitted in the open area see C in Figure 17 page 15 With installatio...

Page 11: ...eam supply for pre heater maximum 4 bar g 58 psi g Parts shown in dotted line Customer to supply 115 mm 100 mm R 65 mm 50 mm 2 holes 5 mm Escutcheon plate galvanised Type 20 R 18 mm Type 40 R 25 mm Fi...

Page 12: ...be fitted Where a valve is not supplied the pipe fittings used between the separator and the valve will be fitted to the separator outlet pipe Flanged sets are supplied complete with gaskets nuts and...

Page 13: ...stallation with long lances such that a split tracer is required Fig 13 Vertical multi lance system where separate steam supply and condensate headers suitably trapped are needed For more detailed inf...

Page 14: ...IM P795 04 CH Issue 4 14 Fig 14 Horizontal duct Horizontal lance Air flow Plan Fig 15 Horizontal duct Vertical lance Air flow Plan...

Page 15: ...Fig 17 Fig 16 Vertical duct Horizontal lance Air handling unit Exhaust air Outside air Return air Absorption distance Control humidity sensor C Temperature sensor High limit humidistat C control humid...

Page 16: ...ing of the humidifier separator see Figure 1 page 5 the steam trap should always be fitted below the base level of the separator 3 9 5 There should be no backpressure on the trap due to either a lift...

Page 17: ...ination This is particularly important where a pneumatic positioner is used 3 10 2 The humidity sensor must be installed in accordance with the manufacturers recommendations 3 10 3 Interlocks for syst...

Page 18: ...ll electrical wiring and connections should be carried out in accordance with national or local regulations and standards 3 11 2 The humidity sensor must be installed in accordance with the manufactur...

Page 19: ...embly is fully isolated from the main steam supply All electrical circuits must be isolated fuses removed or disonnected Pneumatic control systems must be completely isolated or disconnected Allow suf...

Page 20: ...steam Check and rectify mains water droplets supply to humidifier separator supply Boiler carryover Check with boiler house supervisor to correct condition Defective steam trap on Trap should be float...

Search results

Summary of Contents for SI 20

Reviews:

Related manuals for SI 20

Brands by name

Popular brands

Spirax Sarco SI 20, Installation And Maintenance Instructions Manual

Search results

Summary of Contents for SI 20

Reviews:

Related manuals for SI 20

Brands by name

Popular brands