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Sheet No. 

LSIPSC-IM 

“Read and Save These Instructions” 

08/08 

INSTY-PAC INTERNAL MOUNT 

SPLIT & CUFFED MULTIPLE 

TUBE ASSEMBLY 

 

INSTALLATION 

AND 

ASSEMBLY INSTRUCTIONS 

Fig. 1 

INSTALLATION 

 
1.  Install the assembly so that the injection tubes are 

level

 within the duct or AHU. 

2.  Install tube with orifices injecting steam up. 
3.  Insty-Pac condensate steam traps must drain by gravity to an open drain (condensate 
 

cannot be elevated). 

4. Each condensate connection must have it’s own steam trap.  Condensate connections cannot be combined 
 

together to a common steam trap. 

5.  A common condensate drain line can be used after the individual steam traps. 
    

Stainless Steel

Tube Header

Typ. Centers

AHU/Duct Width

3/4" SW Drain Piping

(By Others)

Injection Tube

AHU/Duct

Secure End Bracket
to AHU/Duct
Casing with 3/8-16
UNC Bolts

AHU/Duct Height

Secure to AHU / Duct

Casing with 3/8-16

UNC Bolts

Duct Plate

Tube Support

Strainer

Control Valve

Steam Trap

Содержание INSTY-PAC

Страница 1: ...gravity to an open drain condensate cannot be elevated 4 Each condensate connection must have it s own steam trap Condensate connections cannot be combined together to a common steam trap 5 A common...

Страница 2: ...cking CSCC and chloride pitting of stainless steel components is not covered by warranty Do not use hydrochloric acid descalers or bleach to clean the tank Consult the factory if you are unsure about...

Страница 3: ...70 80 85 Relative Humidity Leaving Relative Humidity Leaving Relative Humidity Entering Relative Humidity Entering Non Wetting Distance With a Insty Pac Tube Assembly Having 6 Centers The above is ba...

Страница 4: ...wall for the supply connection If the alternate horizontal condensate drain connection is supplied cut a 1 1 16 diameter hole through the AHU or duct wall for the drain connection see Fig 3 3 Install...

Страница 5: ...supply inlet 5 Duct plate condensate 1 6 Tube support bracket 1 per tube bank 7 Flexible connector 1 per tube 1 NPT valve connection 4 2 6 3 Fig 2 Tube drain connection 3 4 NPT Header drain connection...

Страница 6: ...g bracket welded to header Notes 1 Center the multiple injection tube assembly in the duct height 2 The injection tubes should be mounted level within the duct or AHU 3 Install injection tubes with th...

Страница 7: ...g VAV high limit humidistat is required A minimum velocity of 300 feet per minute is required to avoid saturation and excessive fog travel Controls Fan Interlock Switch PURE Humidifier Co recommends t...

Страница 8: ...ure 5 Undersized humidifier 6 Automatic control valve not opening fully A Pneumatic valve operator leaking air B Valve stem sticking Humidifier Discharges Water 1 Faulty drainage A Return line pressur...

Страница 9: ...is not leaking air b the valve closes off tightly c the stem packing is not leaking steam Valve Electric Should be inspected annually to confirm that the stem packing is not leaking and that the valv...

Страница 10: ...9...

Страница 11: ...10...

Страница 12: ...11 141 Jonathan Blvd North Chaska MN 55318 Tel 952 368 9335 Fax 952 368 9338 www purehumidifier com...

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