Armstrong EHU-800 Series Installation And Operation Manual Download Page 26 | Manualshive

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26

Control Wiring - continued

*Refer to page 24 for S1

dipswitch settings before

powering on the EHU-800

*Refer to page 24 for S1

dipswitch settings before

powering on the EHU-800

*Refer to page 24 for S1

dipswitch settings before

powering on the EHU-800

Sensor

Room Mounted Modulating High Limit

Building Management System

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Summary of Contents for EHU-800 Series

Page 1: ...Series EHU 800 Humidifier Installation and Operation Manual 530 EN V2 4...

Page 2: ...idifier components part overview Preparation and Installation 12 Site selection Water Quality And Treatment 13 Remedies 14 Installation 15 Step 1 Placing and wall attachment Step 2 Water connection St...

Page 3: ...maintenance details are also included within this document The EHU 800 installation operation and maintenance bulletin manual is intended to be used by engineers and properly trained technical personn...

Page 4: ...SCONNECT THE POWER SUPPLY AT THE CIRCUIT BREAKER OR SAFETY SWITCH BEFORE OPENING ANY COVERS The electric cabinet can be opened by qualified personnel only Before servicing the humidifier learn where t...

Page 5: ...sportation and storage temperatures within a range of 13 F 25 C to 70 F 55 C and for short periods not exceeding 24h at up to 158 F 70 C Suitable means shall be provided to prevent damage from humidit...

Page 6: ...enclosure where there are other means to open it The handle should be BLACK or GREY Be provided with a means permitting it to be locked in the OFF isolated position e g by padlocks When locked remote...

Page 7: ...EHU 803 and EHU 804 4 Product Serial Number composed by Year Month 6 digit and the ex works number 3 digit 5 Date of Manufacturing date when this humidifier is manufactured 6 Rated Voltage rated volt...

Page 8: ...thout notice Visit armstronginternational com for up to date information 8 Accreditation UL CCC CE Material Accreditation Delivery contents Check Shipment and Local Codes A claim should be filed with...

Page 9: ...Humidifier Steam Outlet X Drain Outlet X Water Inlet X Steam Outlet X Drain Outlet X Water Inlet X Steam Oulet Spacing Drain Outlet Spacing Empting Operating Model A B C D E F G H I J K EHU 801 16 3 4...

Page 10: ...ca China Pacific Rim armstronginternational com Designs materials weights and performance ratings are approximate and subject to change without notice Visit armstronginternational com for up to date i...

Page 11: ...sformer 600V 801 803 804 No Part Description Part Number 801 803 804 1 EHU 800 Cabinet D51313 D51314 D51315 2 PCB Display D50927 D50927 D50927 3 PCB Main Board D121389 D121389 D121388 4 PCB 2TI 804 On...

Page 12: ...m operating weight The location chosen should be inside with a minimum ambient temperature of 40 F 4 C and a maximum of 100 F 38 C The humidifier should not be mounted on hot surfaces The location sho...

Page 13: ...distilled de ionized and reverse osmosis diffusion treated water Most tap water is conductive so it will work in an EHU HOW DOES THIS AFFECT MAINTENANCE Generally the more conductive the water is the...

Page 14: ...the water with sodium ions As softened water boils the sodium ions stay in solution causing the conductivity of the water in the tank to increase rapidly CAUTION Soft water may increase the tank s wa...

Page 15: ...exists at the drain outlet Human bodies or other articles that are not resistant to high temperature should keep away from contacting or getting near this place Negligence of this warning might resul...

Page 16: ...m pipe must be free of kinks and sags to allow for gravity drainage of condensate Provide pitch of 1 per foot towards the unit Pipe supports may be required to accomplish this Insulate the copper tube...

Page 17: ...t The steam pipe must be free of kinks and sags to allow for gravity drainage of condensate Maximum pipe run distance from tank to dispersion tube is 40 feet 12m equivalent piping length Avoid excessi...

Page 18: ...e East Africa China Pacific Rim armstronginternational com Designs materials weights and performance ratings are approximate and subject to change without notice Visit armstronginternational com for u...

Page 19: ...e East Africa China Pacific Rim armstronginternational com Designs materials weights and performance ratings are approximate and subject to change without notice Visit armstronginternational com for u...

Page 20: ...e East Africa China Pacific Rim armstronginternational com Designs materials weights and performance ratings are approximate and subject to change without notice Visit armstronginternational com for u...

Page 21: ...e East Africa China Pacific Rim armstronginternational com Designs materials weights and performance ratings are approximate and subject to change without notice Visit armstronginternational com for u...

Page 22: ...e East Africa China Pacific Rim armstronginternational com Designs materials weights and performance ratings are approximate and subject to change without notice Visit armstronginternational com for u...

Page 23: ...e East Africa China Pacific Rim armstronginternational com Designs materials weights and performance ratings are approximate and subject to change without notice Visit armstronginternational com for u...

Page 24: ...switch not furnished in the electric service ACCESSIBLE TO AND WITHIN SIGHT OF THE HUMIDIFIER b USE ONLY WIRE WITH COPPER CONDUCTORS RATED 190 F 90 C OR HIGHER FOR HIGH VOLTAGE AND GROUNDING c Ground...

Page 25: ...trol and or safety wiring When using metal conduit the conduit must extend the entire length of the wire and the conduit must be grounded at the humidifier cabinet If the conduit does not extend the e...

Page 26: ...without notice Visit armstronginternational com for up to date information 26 Control Wiring continued Refer to page 24 for S1 dipswitch settings before powering on the EHU 800 Refer to page 24 for S1...

Page 27: ...1 One small generator 4 4 2 12 5 1 5 7 2 1 5 6 3 1 5 5 4 1 5 6 6 3 18 8 2 3 10 8 2 3 9 4 2 3 8 1 2 3 11 0 5 18 1 3 8 15 7 3 8 13 6 3 8 17 6 8 21 7 6 0 EHU 803 one large steam generator 11 0 5 31 3 3 8...

Page 28: ...6 30 34 3 22 6 27 1 22 6 21 7 22 6 77 35 40 0 26 3 31 7 26 3 25 3 26 3 88 40 45 7 30 1 36 2 30 1 28 9 30 1 99 45 40 7 33 8 32 6 33 8 110 50 45 2 37 6 36 2 37 6 EHU 804 two large steam generators 55 25...

Page 29: ...Africa China Pacific Rim armstronginternational com Designs materials weights and performance ratings are approximate and subject to change without notice Visit armstronginternational com for up to d...

Page 30: ...r locations where the sensor will be subjected to air drafts localized heat or moisture sources Locations near coffee machines computer blower outlets doors to other rooms or windows that can be opene...

Page 31: ...t Africa China Pacific Rim armstronginternational com Designs materials weights and performance ratings are approximate and subject to change without notice Visit armstronginternational com for up to...

Page 32: ...sh Arrow up until 2 is displayed and press the Enter key 5 The cursor will shift one place to the right Repeat the previous steps but enter a 3 and press Enter 6 The cursor will shift one place to the...

Page 33: ...ic Rim armstronginternational com Designs materials weights and performance ratings are approximate and subject to change without notice Visit armstronginternational com for up to date information 33...

Page 34: ...ill need to complete a manual drain cycle about 20 minutes by pressing the manual drain button The EHU will display Draining Cycle Over This timer has a factory default setting of 300 hours and can be...

Page 35: ...information board is being used the general fault contact is on and the maintenance contact is off Contactor Blocked P2 This error is displayed when the contactor is engaged with no demand for steam 0...

Page 36: ...oard General fault contact is on Maintenance contact is off Drain Circuit P5 This error is displayed when the EHU detects a problem with the draining system Check drain valve fuse F3 If fuse is bad re...

Page 37: ...e unit by the front panel On Off switch 2 Enter Menu 234 3 Scroll down to Control Sgnal In If you want to control the unit through Modbus change this to Digital Ctrl If you want to only monitor the EH...

Page 38: ...0 Idle 1 Steam Gen 2 End of season 3 Failure 4 Manual drain 5 Maintenance uc_reg_RunStatus 3 30005 Bed Life Hours x 100 uc_ihm_TempsEntretien 4 30006 Run Time Hours ui_ihm_CptHeure 5 30007 Idle Time...

Page 39: ...f around 50 indicates that the set point has been met Monitoring Current While the unit is filling the current should increase As the current approaches the maximum rating of the unit it increases mor...

Page 40: ...rnings When the humidifier is used for a long time or operates with very conductive water solid deposits built up on the electrode plates which can make the water even more conductive If electrical ar...

Page 41: ...ntenance The steam generator is basically the only part of the EHU that requires regular maintenance This maintenance may include cleaning or replacing the tank itself or the electrodes We recommend s...

Page 42: ...ollowing process but the electrodes may need to be replaced b If tank and electrodes have a white tan grey mineral accumulations and or the tank is partially filled with loose lime accumulations proce...

Page 43: ...to completely drain 2 Once the tank is completely empty turn off the power at the main disconnect or breaker 3 Disconnect the steam hose from the top of the steam generator tank by loosening the hose...

Page 44: ...the upper tank half Slowly turn the electrode until it locks in place Thread a nut finger tight onto the electrode stud Repeat this process with the other five electrodes 7 Turn the tank top half upri...

Page 45: ...tive duct pressure can cause drainage problems While this is relatively rare it has been known to happen 4 If the water backs up into the drain pan inside the unit check for a blocked drain cup under...

Page 46: ..._______ Inspected by ____________________ Date _____ _____ ______ Water Type Tap Water Connectivity ____________________ Mhos cm Blended Conductivity ____________________ Mhos cm Humidifier Mounting C...

Page 47: ..._______________________________ Plumbing Inlet Water Inlet water pressure between 25 120 psig Drain Lines Size _______ Air gap located within 3 of humidifier Line pitched 1 per 12 away from humidifier...

Page 48: ...h voltage terminals ex Contactors terminal block steam generator tank leads and grounding lug Turn on water supply and check for leaks Secure all access doors and panels Turn on main power to unit Swi...

Page 49: ...eaker or safety switch not furnished in the electric service ACCESSIBLE TO AND WITHIN SIGHT OF THE HUMIDIFIER b USE ONLY WIRE WITH COPPER CONDUCTORS RATED 190 F 90 C OR HIGHER FOR HIGH VOLTAGE AND GRO...

Page 50: ...e East Africa China Pacific Rim armstronginternational com Designs materials weights and performance ratings are approximate and subject to change without notice Visit armstronginternational com for u...

Page 51: ...e East Africa China Pacific Rim armstronginternational com Designs materials weights and performance ratings are approximate and subject to change without notice Visit armstronginternational com for u...

Page 52: ...e East Africa China Pacific Rim armstronginternational com Designs materials weights and performance ratings are approximate and subject to change without notice Visit armstronginternational com for u...

Page 53: ...e East Africa China Pacific Rim armstronginternational com Designs materials weights and performance ratings are approximate and subject to change without notice Visit armstronginternational com for u...

Page 54: ...e East Africa China Pacific Rim armstronginternational com Designs materials weights and performance ratings are approximate and subject to change without notice Visit armstronginternational com for u...

Page 55: ...e East Africa China Pacific Rim armstronginternational com Designs materials weights and performance ratings are approximate and subject to change without notice Visit armstronginternational com for u...

Page 56: ...com Designs materials weights and performance ratings are approximate and subject to change without notice Visit armstronginternational com for up to date information 56 Remote Information Board Opti...

Page 57: ...l com Designs materials weights and performance ratings are approximate and subject to change without notice Visit armstronginternational com for up to date information 57 Step 6 Control Connection Ma...

Page 58: ...de properly Refer to the Control Wiring Section of this IOM 1 Power on the unit by the front panel On Off switch 2 Enter Menu 234 3 Scroll down to Control Sgnal In If you want to control the unit thro...

Page 59: ...tributes it within the air being humidified to bring the relative humidity up to the desired level The humidity demand is sensed by the humidistat A microcontroller converts this demand signal into an...

Page 60: ...iddle East Africa China Pacific Rim armstronginternational com 530 EN V2 4 Armstrong International Inc Designs materials weights and performance ratings are approximate and subject to change without n...

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