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Pure Humidifier INSTY-PAC Installation And Assembly Instructions

Internal mount split & cuffed multiple tube assembly
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INSTY-PAC INTERNAL MOUNT
SPLIT & CUFFED MULTIPLE
Tube Support
Secure to AHU / Duct
Casing with 3/8-16
UNC Bolts
Strainer
Control Valve
Duct Plate
Stainless Steel
Tube Header
Steam Trap
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.
"Read and Save These Instructions"
TUBE ASSEMBLY
INSTALLATION
AND
ASSEMBLY INSTRUCTIONS
Fig. 1
AHU/Duct
INSTALLATION
Injection Tube
AHU/Duct Width
3/4" SW Drain Piping
(By Others)
Sheet No.
LSIPSC-IM
Typ. Centers
AHU/Duct Height
Secure End Bracket
to AHU/Duct
Casing with 3/8-16
UNC Bolts
08/08

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Summary of Contents for Pure Humidifier INSTY-PAC

  • Page 1 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).

  • Page 2: Table Of Contents

    The PURE Humidifier Co. Warranty PURE Humidifier Co. guarantees its products to be free from defects in material and workmanship for a period of two years from the date of shipment; provided the product is properly installed, serviced, and put into the service for which it was intended.

  • Page 3: Non-Wetting Distance Charts

    Non-Wetting Distance With a Insty-Pac Tube Assembly Having 3” Centers 30” 15” 13” 11” 8” 7” 5.5” 2” 1” 15” 11” 10” 9” 7” 5” 4” 1” 10” 8” 7” 6” 5” 3” 2” 8” 6” 5” 4” 3” 1"...

  • Page 4: Mounting Instructions

    Split & Cuffed Insty-Pac Injection Tube Assembly Internal Mounting Instructions The Insty-Pac tube assembly supplied is designed for rapid dissipation of steam. The tube assembly is designed for internal AHU or duct mounting. Verify Components Unpack the components from the shipping container. Verify all components are checked off according to the packing list and the COMPONENTS IDENTIFICATION DRAWING (Fig.

  • Page 5: Component Identification

    Internal Mount Insty-Pac Tube Assembly Component Identification ITEM DESCRIPTION QUANTITY Supply/condensate header Injection tubes varies with order Tube mounting bolts 1 per tube Duct plate (supply) 1 per supply inlet Duct plate (condensate) Tube support bracket 1 per tube bank...

  • Page 6: Header & Bracket Support Detail

    Header & Support Bracket Detail AHU casing or duct wall Supply/ condensate header End bracket Injection tube Header mounting bracket (welded to header) NPT valve connection Cut openings for steam inlet stub-out. Seal with duct plate. End bracket mounting bolts Mount tubes level within the duct or AHU 3/4”...

  • Page 7: Installation Tips/Controls

    Controls Fan Interlock Switch PURE Humidifier Co. recommends the use of an air flow proving switch or fan interlock to prove air flow prior to humidifier cooperation. Humidifier operation without air flow will result in over-saturation of the air stream. Air flow proving switches are available as optional equipment from your PURE Humidifier Co.

  • Page 8: Troubleshooting

    Troubleshooting Too Much Humidity 1. Humidity controller out of calibration. 2. Valve stem sticking. 3. Valve spring broken. 4. Foreign matter preventing valve from closing. Too Little Humidity 1. Strainer screen plugged. 2. Stop valve not fully open. 3. Humidity controller out of calibration. 4.

  • Page 9: Maintenance

    Maintenance Header– No maintenance required. Injection Tube – No maintenance required. Valve - Pneumatic– Should be inspected annually to be sure that a) the diaphragm in the actuator is not leaking air, b) the valve closes off tightly, c) the stem packing is not leaking steam.
  • Page 12 141 Jonathan Blvd. North Chaska, MN 55318 Tel: (952) 368-9335 Fax: (952) 368-9338 www.purehumidifier.com...