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Johnson Controls Unitary Products 8000 Installation & Maintenance Instructions Manual

Residential steam humidifier
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Johnson Controls
Unitary Products
Model 8000 Residential Steam Humidifier
Installation & Maintenance Instructions

Table of ConTenTS

Safety Cautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Materials list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Principles of operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Specifications & Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Installation Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Choosing a Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
- Dispersion Tube . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
- Humidifier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Prepare Humidifier for Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Install Steam Dispersion Tube . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Mount Humidifier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Install Steam Hose . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Subject to change without notice . Published in U .S .A .
Copyright © 2011 by Johnson Controls, Inc . All rights reserved .
Model 8000 Residential Steam Humidifier
ReaD anD SaVe THeSe InSTRUCTIonS
Johnson Controls
Unitary Products
5005 York Drive, Norman, OK 73069
Supply Water . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Control Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Drain Line . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Electrical Power Wiring & Shut-off Switch . . . . . . . . . . . . . . . . . . 10
Start-up Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Sequence of operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
operating Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Shut Down Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Display Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Replacement Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Form 715292-UIM-A-1211
10009604 B2205571A 11 .11

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Summary of Contents for Johnson Controls Unitary Products 8000

  • Page 1: Table Of Contents

    Johnson Controls Model 8000 Residential Steam Humidifier Unitary Products Model 8000 Residential Steam Humidifier Installation & Maintenance Instructions Table of ConTenTS Safety Cautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Supply Water .

  • Page 2: Safety Cautions

    SafeTy CaUTIonS CaUTIon aTTenTIon InSTalleR Read this manual before installing. This product must be installed by qualified HVAC and electrical contractors and in compliance with local, state, federal, and governing codes. Improper installation can cause property damage, severe personal injury, or death as a result of electric shock, burns, or fire. Read all cautions and instructions.

  • Page 3: Principles Of Operation

    PRInCIPleS of oPeRaTIon The Canister Steam Humidifier delivers humidity in the form of steam to the conditioned space via the HVAC system fIGURe 1 – fill and Drain System and Canister duct or optional Fan Pack . The humidifier generates steam Steam by energizing two electrodes that extend into a canister Outlet...
  • Page 4 SPeCIfICaTIonS & DIMenSIonS (ConTInUeD) fIGURe 2 – Humidifier & Dispersion Tube Dimensions 3" Mounting Plate 8 7/8" to first opening 1 3/4" Fill Cup 7 7/8" 3" sq 3 3/8" 1 5/8" 1" dia 3 3/8" 4 1/4" 8 1/4" 5 3/4"...

  • Page 5: Installation Instructions

    InSTallaTIon InSTRUCTIonS CHooSInG a loCaTIon DISPeRSIon TUbe When choosing a location for the dispersion tube three things must be considered: Location in duct, elevation with respect to the humidifier, and distance from humidifier to dispersion tube . Duct location and absorption Distance The preferred location for the dispersion tube is in a supply duct because higher temperature air will more readily absorb the moisture .
  • Page 6 InSTallaTIon InSTRUCTIonS (ConTInUeD) elevation The preferred location for the dispersion tube is higher than the humidifier so that the steam hose has a constant downward slope of at least 2” per foot from the dispersion tube to the humidifier . If hard pipe is used, the slope can be 1/4” per foot . With the constant downward slope, any condensation that forms in the steam hose will drain back into the steam canister .

  • Page 7: Humidifier

    InSTallaTIon InSTRUCTIonS (ConTInUeD) fIGURe 5 3/4" x 1" Reducing Coupling Dispersion Tube Steam Hose 1-1/2" Hose Clamp 1" Copper Pipe 1-1/2" Hose Clamp Steam Hose Humidifier 90-1705 HUMIDIfIeR fIGURe 6 – Clearances Do not mount humidifier in a location where ambient temperature exceeds 120°f or where freezing temperatures may occur.

  • Page 8: Prepare Humidifier For Mounting

    InSTallaTIon InSTRUCTIonS (ConTInUeD) PRePaRe HUMIDIfIeR foR MoUnTInG Unpack carton . Open front panel by removing screw and lifting panel up and away from humidifier . Disconnect three wires from top of canister by pulling straight up . The two large wires are the electrode conductors . The smaller wire is connected to the high water level sensor . Remove canister by pulling it up and out of drain assembly .

  • Page 9: Control Wiring

    InSTallaTIon InSTRUCTIonS (ConTInUeD) ConTRol wIRInG The control circuit operates on 24VAC . Install manual humidifier control S1-HUSTATMAN4655 and blower activation relay as shown in figure 7 . See figure 7a for wiring automatic humidifier control S1-HUSTATAUTO56 . If protection from over-humidification is desired, install optional high humidity limit switch at least 4 feet downstream of the dispersion tube . fIGURe 7 –...

  • Page 10: Drain Line

    InSTallaTIon InSTRUCTIonS (ConTInUeD) DRaIn lIne Attach the 7/8” I .D . drain tubing provided to the drain assembly at the bottom of the humidifier . Secure with the hose clamp provided . Do not over tighten . Make sure the drain line has a constant downward slope from the humidifier to the drain and is not kinked or blocked . If floor drain is not available, use condensate pump (Part #S1-5295) to route water to a suitable drain .
  • Page 11 InSTallaTIon InSTRUCTIonS (ConTInUeD) fIGURe 8 – 240 VaC wiring Diagram NOTE: HUMIDIFIER IS SHIPPED FROM THE FACTORY WIRED IN THE 240 VOLT CONFIGURATION. MAIN POWER SWITCH (NOT PROVIDED) TERMINAL N, L2 BLOCK POWER RELAY CONTACTS JUMPER WIRE BLK / WHT UNUSED 480V LEAD 120/208/240 VAC TRANSFORMER...
  • Page 12 InSTallaTIon InSTRUCTIonS (ConTInUeD) fIGURe 9 – 208 VaC wiring Diagram NOTE: HUMIDIFIER IS SHIPPED FROM THE FACTORY WIRED FOR 240 VOLTS. THE BLACK / WHITE WIRE FROM L1 MAIN POWER SWITCH (NOT PROVIDED) MUST BE MOVED TO THE 208 VOLT TERMINAL FOR 208 VOLT OPERATION.
  • Page 13 InSTallaTIon InSTRUCTIonS (ConTInUeD) fIGURe 10 – 120 VaC wiring Diagram NOTE: HUMIDIFIER IS SHIPPED FROM THE FACTORY WIRED FOR 240 VOLTS. MAIN POWER SWITCH THE BLACK / WHITE WIRE FROM L1 (NOT PROVIDED) MUST BE MOVED TO THE 120 VOLT TERMINAL FOR 120 VOLT OPERATION.

  • Page 14: Start-Up Procedure

    STaRT-UP PRoCeDURe 1 . Once the supply water, drain, steam hose, electrical power and control wiring connections are complete, make sure canister is fully seated into drain valve and three wire connectors on top of canister are secure . (High water probe wire and two interchangeable electrode wires .) 2 .

  • Page 15: Operating Modes

    oPeRaTInG MoDeS When the humidifier is powered and turned on, the “On/Off” light is illuminated green . During fill cycles, the “Fill” light illuminates green . When the humidifier is turned on, any time the control sends a call for humidity, the Steam light illuminates green . Any time the drain valve is activated, the “Drain”...

  • Page 16: Display Panel

    DISPlay Panel Green lights indicate normal operation . Yellow Steam light indicates humidifier is operating at less than rated capacity . Yellow Steam light also indicates humidifier is in Test mode . Flashing red Service light indicates canister has reached the end of its life and needs to be replaced . Solid red lights indicate humidifier has shut down and requires service .

  • Page 17: Maintenance

    MaInTenanCe CaUTIon • Allow humidifier to drain and disconnect power before servicing. • Service should be performed by a qualified HVAC technician. Inspect humidifier when servicing . • Check system operation and inspect all plumbing connections and piping for signs of cracks or leaks. •...

  • Page 18: Checking System Operation & Troubleshooting

    CHeCkInG SySTeM oPeRaTIon & TRoUbleSHooTInG CaUTIon Contact with electrical circuits can cause property damage, personal injury or death. Service and Troubleshooting must be performed by qualified electrician. For general operational problems, check to make sure humidifier is installed correctly . TeST MoDe To check general function of humidifier and components, the following Test Mode procedure can be performed .
  • Page 19 CHeCkInG SySTeM oPeRaTIon & TRoUbleSHooTInG (ConTInUeD) Table 5 – Troubleshooting Guide Problem Possible Cause action General operating Field-wired terminal Check L1, N/L2 and Ground connections . problems . Humidifier connections . Check HUMIDISTAT and FAN PACK Terminal connections . will not turn on or turn off .
  • Page 20 CHeCkInG SySTeM oPeRaTIon & TRoUbleSHooTInG (ConTInUeD) Table 5 – Troubleshooting Guide (continued) Problem Possible Cause action Humidifier makes gurgling Excess condensation in steam hose . Make sure steam hose has constant downward slope to humidifier or to tees sound . and traps in low spots of hose .

  • Page 21: Replacement Parts

    RePlaCeMenT PaRTS Refer to the following page for part descriptions . 90-1664...
  • Page 22 RePlaCeMenT PaRTS (ConTInUeD) Item no. Part no. Description S1-HUSTRAIN4004 Fill Valve In-line Strainer S1-5271 Membrane Switch S1-5272 Transformer S1-5273 Power Relay S1-5274 Electrode Wire S1-5275 Ground Lug S1-5276 Input Power Terminal Block S1-5299 Transformer Terminal Block S1-5277 Internal Control Circuit Board S1-5278 Current Sensing Circuit Board S1-5279...

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