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April 2005

Field Wiring for the Ansul or Amerex Snap-Action Switch

Option A

Relay Part NO. 14702

* K1a and K1b are N.O. when K1 is de-energized

Manual Reset Relay
Part NO. 14702

K1*

N.O. K1a

K1b N.O.

Push Button

Switch

Gas Valve
See Note 3

110V/60HZ

Black

Red

Brown

Snap-Action Switch
Part NO. 423878

Option B

Relay Part NO. 426151

Ansul Snap-Action Switch
(switch contacts shown with Ansul
Automan in the cocked position)

Snap-Action Switch
Part NO. 423878

Black

Red

Brown

L2 Neutral
L1 Hot

110 VAC/60HZ

GND

Screw

Power
Indicator

Reset

Relay Coil

Manual Reset Relay
(Part NO. 426151)

Electrical Rating
1/3 HP, 10 AMP, 120 VAC
1/2 HP, 10 AMP, 240 VAC
13 AMP, 28 VDC

Gas Valve
See Note 3

6
9

3
4
7
1

2 Snap-Action Switches Provided by Greenheck may be

wired as shown.

4 Typical Examples Shown

Power to cooking
equipment

Shunt Trip Breaker

120 VAC

Input

Electric gas valve - If reset relay is used
see option A or B at right.
Mechanical gas shut off valve does not
require electrical connection.

Input

Voltage Free
Contacts for
Building Alarm(s)

Power to
Fan(s)

Fan
Starter

Terminal strip in
Waterwash Control Panel

120 VAC

Input

Power to
fan(s)

Fan Starter

Manual Switch

If prohibited by local codes, do not shut down
exhaust fans with this method of wiring.

Note:
1. _________________________ Denotes field installation
2. - - - - - - - - - - - - - - - - - - - Denotes factory installation
3. Gas Valves: "UL listed electrically-operated safety valve for natural, or LP gas

as needed of appropriate pressure and temperature rating, 110v/60 HZ" or
Ansul gas valves. Part numbers 13707, 13708, 13709, 13710, and 17643.

4. Do not use black wire on snap-action switch in normal installation.

Black wire may only be used for extraneous alarm, light circuits, etc.

Equipment

Alarms

Waterwash

Fans

Wiring Diagrams

Содержание 458292

Страница 1: ...April 2005 Part 458292 Read and Save These Instructions Installation Instructions for Waterwash Kitchen Hoods ...

Страница 2: ...ing the Supply Duct Collar 13 Hanging the Backsupply Unit 13 Hanging the Hood 14 Air Diffusers 14 Enclosure Panel Installation Instructions 15 Filler Panel Installation Instructions 16 End Skirt Installation Instructions 17 Backsplash Panel Installation Instructions 18 Duct Collar Installation Instructions for GH GW GK and GX Series Hoods 20 Plumbing 21 Electrical Connections 23 Electrical Wiring ...

Страница 3: ... Switch 35 Overall Wiring Plan View 36 Wiring for Hood Switch Panels 37 Circuit Diagram 38 Waterwash Control Panel 39 44 Maintenance 45 Troubleshooting Guide 45 49 Replacement Parts Kits 50 51 Waterwash Start up Checklist 52 53 Notes for Maintenance Checks 54 55 Warranty 56 ...

Страница 4: ... waterwash hoods are designed for three primary functions 1 Capture and contain the effluent produced by the cooking process 2 Remove grease and other contaminants from the airstream with a series of extraction baffles 3 Wash the baffles and other surfaces within the exhaust plenum to remove contaminants Normal Exhaust Operation and Contaminant Collection The system s exhaust fan is manually contr...

Страница 5: ...n will be on Supply fan off Waterwash Hood Junction Box Hood Lights Exhaust Duct Collar Drain Pipe Waterwash Control Station Hot Water Supply to Control Station Optional Cold Water Supply to Control Station Vacuum Breaker Detergent Line Hot Water Detergent to Hood Detergent Check Valve Optional Continuous Cold Water Mist Supply Line Internal components of hood and control station are factory piped...

Страница 6: ...ose for field installation Where building codes require a reduced pressure backflow preventer it will be provided in lieu of a vacuum breaker when ordered The reduced pressure backflow preventer is installed beneath the control panel See Fig 5 6 7 May by ordered mounted in 48 in tall cabinet Detergent Pump Related Components shipped loose for field installation installed in RPBP systems See page 4...

Страница 7: ...ight Hood Lights Vacuum Breaker Union Hand Valve Detergent Line Strainer Water Hammer Arrestor Pressure Reducing Valve and Strainer Hand Valve Pressure and Temperature Gauge Fig 2 Std Piping with Vacuum Breakers Fig 5 Std Piping with Reduced Pressure Backflow Preventer Fig 7 Piping with Reduced Pressure Backflow Preventer and Optional Continuous Cold Water Mist Piping by Others Piping by others To...

Страница 8: ... installed before the hood Please see Page 13 For Wall Single Island Style Hoods prior to installation check with local authorities having jurisdiction on clearances to combustible surfaces etc With the hood still inside its packing crate position the unit beneath its installation location Carefully remove the packing crate Place some protective material on the floor next to the crate to avoid dam...

Страница 9: ... by tapping into position along clip friction fit 3 Caulk edges to seal out grease and allow for ease of cleaning Caulk with NSF approved silicone caulk GE SCS 1009 or its equivalent The caulk is not provided Note The installation of the canopy hoods shall be in accordance with NFPA 96 latest edition Removal of Smoke and Grease laden Vapors from Commercial Cooking Equipment See separate instructio...

Страница 10: ...s an access panel for cleaning and inspection shall be provided in the duct This panel shall be as close to the hood as possible and not exceed 18 inches from any hood damper For proper installation of duct collars when they are shipped unattached see page 20 DUCTWORK Exhaust As specified in NFPA 96 Ch 7 5 latest edition exhaust duct systems must be constructed in the following manner Materials Du...

Страница 11: ... the plenum length If there is a utility cabinet the hanging clip should be 23 5 in from the end to the hood 2 Using the C Clamps provided clamp the supply plenum hanging clip to the hood standing seam Option Drill and bolt a 1 4 20 SS bolt through the clip and hood standing seam INSTALLATION INSTRUCTIONS FOR EXTERNAL SUPPLY PLENUMS USING THE SUPPLY PLENUM CLIP or UNI STRUT HOOD STANDING SEAM HANG...

Страница 12: ...ft 42 2 lbs ft 44 4 lbs ft Installing External Supply Plenum 1 Insert 1 2 in diameter threaded rod by others into hanger brackets on the supply plenum top Raise and hang the external supply plenum from adequate roof or ceiling supports 2 The external supply plenum should be resting lightly against the hood The hood is used to position the plenum only it is not intended to support the plenum All ha...

Страница 13: ...acksupply Plenum to the finished floor Leave 6 to 10 inches of space below the plenum for access to the air diffusers 6 Fasten the Backsupply to the wall going through the lower Backsupply wall See Fig 12 INSTALLATION INSTRUCTIONS FOR THE BACKSUPPLY PLENUM BSP Installing the Supply Duct Collar 1 Find the center of the Backsupply Plenum 2 If the Backsupply Plenum is less than 9 ft 10 in wide cut op...

Страница 14: ...Backsupply is used to position the hood only it is not intended to hold any hood weight See Fig 13 5 Connect the remaining ductwork for the Backsupply and the hood It is recommended that caulk be applied at the mating seams and surfaces of the Backsupply the hood and the wall Fig 13 Removable Air Diffusers Air Diffusers The air diffusers located at the bottom of the backsupply See Fig 14 will need...

Страница 15: ...the wall method depends on wall construction fasteners are not provided If the hood is a double island bolt the end enclosure panels together fasteners are not provided 3 Position the front enclosure panel s on the hood and bolt to the end enclosure panels with the 5 16 in bolts provided in the hardware package 4 Tack weld or clamp the front enclosure panel s to the hood If clamps are used they mu...

Страница 16: ... with protective material between the hood and the floor See Fig 8 page 8 2 Bolt the filler panels together with 5 16 in bolts provided in the hardware package 3 Position the filler panels to the hood back and tack weld them into place see Fig 17 4 To allow for ease of cleaning caulk the external seams with NSF approved silicone caulk GE SCS 1009 or its equivalent The caulk is not provided Return ...

Страница 17: ...1 4 in bolt and cap nut to the inside of the hood or tack weld the end skirt to the hood 3 Position the end skirt against the wall and attach The method depends on the wall construction fasteners for this are not provided 4 Caulk the internal joint formed by the end skirt and the hood end panel with NSF approved silicone caulk GE SCS 1009 or its equivalent The caulk is not provided 5 To allow for ...

Страница 18: ...ulk the joints between the hood and the backsplash panel with NSF approved silicone caulk GE SCS 1009 or its equivalent The caulk is not provided 4 Caulk the joint between the backsplash panels when multiple panels are required with NSF approved silicone caulk GE SCS 1009 or its equivalent The caulk is not provided Return to page 9 BACKSPLASH PANEL INSTALLATION INSTRUCTIONS HOLES SHOULD BE SPACED ...

Страница 19: ...NEL WALL WALL NOTE PANELS UP TO 46 INCHES WIDE SHIPPED IN 1 PIECE OVER 46 INCHES IN MULTIPLE PIECES NOTE PANELS UP TO 48 INCHES WIDE SHIPPED IN 1 PIECE OVER 48 INCHES IN MULTIPLE PIECES LENGTH 1 000 HEIGHT LENGTH HEIGHT LENGTH 48 48 94 94 141 141 188 188 235 QTY 1 2 3 4 5 QTY 136 181 181 226 91 136 46 91 46 LENGTH 4 5 2 3 1 ...

Страница 20: ...ews at 3 in to 6 in spacing to the hood see Fig 20B 4 The deflector is centered under the supply duct collar see Fig 20C 5 For hoods that are insulated the edges of the insulation need to be taped after the hole is cut the insulation tape is to be provided by others 6 On combination hoods make sure the fire damper is located over the internal supply chamber see Fig 20D Return to page 9 Fig 20A Top...

Страница 21: ...ouble islands NOTES For hood lengths not listed above use the data for the next smaller hood length listed For hoods that are washed together or for groups of sequenced hoods determine the number of gallons per minute required by each hood from the table above and add those values for the total gallons per minute required for the group of hoods Hot Water Flow Hood Number Water Flow in GPM Length o...

Страница 22: ...th of hood in each washing sequence The optional continuous cold water mist plumbing requires 1 2 in to 3 4 in pipe by others depending on the total length of hood Only reduce to 3 8 in at the hood connection See the Engineer Specifications for information on the pipe size required For Systems with a Vacuum Breaker Piping from control station to hood includes a detergent line and a vacuum breaker ...

Страница 23: ... hour timer is then required to initiate the wash cycle Wire hood light switch to junction box on top of hood Wire waterwash control station terminals to fire suppression system microswitch in the Fire Suppression Control Cabinet a normally closed dry contact switch If this switch or jumper is not installed the waterwash system will operate in fire mode continuously This is not required but will p...

Страница 24: ... 3 R G Fig 22 Typical Field Wiring for Waterwash Control Station to Field Furnished Fan Controls Fig 21 Typical Field Wiring for Waterwash Control Station to Greenheck MUA Control Center See Waterwash Control Station Wiring Diagram for Exact Layout See Waterwash Control Station Wiring Diagram for Exact Layout All Components and Wiring By Others Electrical Service for Waterwash Control Station Elec...

Страница 25: ... is displayed in the upper left corner 3 Press the DAY button until the correct day is shown at the bottom of the display 4 Press the H and M buttons to set the correct time AM or PM is shown at the left side of the display 5 Press the MODE button once PRG should be displayed A On the right side of the screen should be a 1 and ON This is the first program There are 6 available to use Normally only...

Страница 26: ...old adjustment knob 1 and loosen wing nut 2 Turn adjustment knob until the pointer 3 indicates the desired setting Six is the maximum zero is the minimum 3 While still holding adjustment knob tighten wing nut 3 Pointer 4 Yolk Record Original Pump Setting at Start up for Future Reference Pump Setting __________________ Fig 23B Fig 23A L1 N 1 1 1 0 0 7 3L 0 6 0 5 0 4 2L 0 3 0 2 0 1 0 0 1L L M 1 5 1 ...

Страница 27: ...water mist piping in the hood With the cabinet doors closed press the Start Fan button After sufficient time press the Stop Fan Start Wash button twice After sufficient time open the cabinet doors and replace the nozzles Clean all strainers in water lines 5 Close the cabinet doors and press the Start Fan button Check exhaust and supply air volumes with a pitot traverse or equivalent method see pag...

Страница 28: ...d Continuous Cold Water Mist Spray Water in Hood Plenum The Fan Circuit is activated All Lights ON Exhaust Plenum Drip Dry 1 min Allows excess water to drain from hood Stop Fan Start Wash Light OFF Fans Stop Exhaust Supply Fans and Optional Continuous Cold Water Mist shut down Start Fan Light OFF Exhaust Supply Fans and Optional Continuous Cold Water Mist Activate 1 min to exhaust heat and steam b...

Страница 29: ...gized Fans should be on Optional Cold Water Spray solenoid should be energized and water spraying along entire length of exhaust plenum Q 0 7 Supply fan not wired from factory Use this if separate switching is required Supply fan will shut down or turn off during a fire 3 Stop Mode Press Stop Fan Start Wash button The fans and optional cold water spray will stop If there is a 24 hour or 7 day time...

Страница 30: ...uence CPU 214 only Q 0 0 Q 0 7 fans on at end of last sequence Water requirements Water temperature 140 to 180 degrees Fahrenheit Water pressure 40 to 60 PSI Average water usage 1 1 GPM per linear foot of hood 40 PSI Detergent requirements SC 5 from 2010 Products or X 701 from ZEP manufacturing 5 Fire Mode Exhaust fan should be on Supply fan should be off Water should be spraying in each exhaust p...

Страница 31: ...e in the dining area B To determine proper kitchen air balance 1 Refer to engineering drawings to determine total exhaust from the kitchen area Exhaust hoods dishwasher hoods etc 2 Determine total CFM of make up air supplied to kitchen area Make up air hoods heating and air conditioning units etc 3 Subtract 1 from 2 above The result should be a negative number If the result is a positive number a ...

Страница 32: ...he back wall of the hood as possible and at a 90 angle to it 4 Take measurements at 8 in intervals along the entire length of the hood 5 Calculate the average slot velocity 6 Calculate the CFM per lineal foot by dividing the average velocity by a conversion factor of 3 9 7 Calculate the hood s exhaust volume by multiplying the CFM per lineal foot by the length of the hood Example 1 Measured slot v...

Страница 33: ...ength height and width of the perforated face panel 4 Calculate the perforated face panel volume in CFM by using the following formula Volume Avg Velocity Length in Height in 005 5 Calculate the system s volume by repeating the process for the remaining panels and adding the individual panel volumes together Example GWFW Hood with 3 28 in Perforated Panels Measured velocities in FPM for one perfor...

Страница 34: ...the bottom lip as shown in Fig 26 Both squareness and placement are important for accuracy 2 Calculate the average slot velocity 3 Calculate the CFM per linear foot by dividing the average velocity by a conversion factor of 5 52 4 Calculate the hoods exhaust volume by multiplying the CFM per linear foot by the total hood length Example 4 ft short circuit hood 36 in short circuit opening 1 Number o...

Страница 35: ...les Shown Power to cooking equipment Shunt Trip Breaker 120 VAC N Input NO NC Electric gas valve If reset relay is used see option A or B at right Mechanical gas shut off valve does not require electrical connection NO NC NO Input NC Voltage Free Contacts for Building Alarm s Power to Fan s Fan Starter Terminal strip in Waterwash Control Panel NO NC 3 4 5 6 NO NC 120 VAC N Input Power to fan s Fan...

Страница 36: ...EL FIELD WIRING HOOD 1A EXHAUST FAN 1A EXHAUST FAN 1B Fire System Control Box HOOD 1B WATER WASH CONTROL PANEL W SWITCHES CONTROL CENTER MUA FAN KFCC OVERALL WIRING PLAN VIEW Diagram illustrates the overall plan view when the control center is located in the make up air unit Diagram illustrates the overall plan view when utilizing a wall mounted kitchen fan control center KFCC ...

Страница 37: ...60 1 CONTROL N H HOOD LIGHTS 8 9 2 1 3 4 5 6 LIMIT SWITCH ES IN AUTMATIC DAMPER OPTIONAL N 7 HEAT OPTIONAL L The diagrams below show a typical hood switch panel remote mounted All switches are provided in the waterwash control panel The diagram below shows how to wire the exhaust and supply fans with a control panel to a fire suppression contact FSC1 When wired properly the supply fan will be turn...

Страница 38: ... not activated Off if both are not activated On if both are activated Off if either are not activated Off if both are activated On if either is activated On if either is activated On if both are activated Off if both are not activated Off if either not activated Single Throw Single Pole Double Pole Double Throw Double Throw Center Off Series Circuit Normally Open Contacts Parallel Circuit Normally...

Страница 39: ...HE STOP FAN START WASH SWITCH THIS WILL STOP FAN START WASH OPERATING INSTRUCTIONS P N 454034 OPERATION FIRE MODE IS INITIATED BY AN EXTERNAL SIGNAL FROM A FIRE SUPPRESSION SYSTEM IN FIRE MODE THE WATER WASH SYSTEM WILL TURN ON THE EXHAUST FAN AND CONTINUOUSLY SPRAY WATER INTO THE HOOD THE 24 HOUR TIMER OPTION THE WASH CYCLE WILL BEGIN AT THE SET TIME AFTER THE WASH CYCLE THE SYSTEM WILL RESET FOR...

Страница 40: ...AND ALLOWED TO COOL PROPERLY PUSH THE STOP FAN START WASH SWITCH THIS WILL STOP FAN START WASH OPERATING INSTRUCTIONS P N 454034 OPERATION FIRE MODE IS INITIATED BY AN EXTERNAL SIGNAL FROM A FIRE SUPPRESSION SYSTEM IN FIRE MODE THE WATER WASH SYSTEM WILL TURN ON THE EXHAUST FAN AND CONTINUOUSLY SPRAY WATER INTO THE HOOD THE 24 HOUR TIMER OPTION THE WASH CYCLE WILL BEGIN AT THE SET TIME AFTER THE W...

Страница 41: ...ILL TURN ON THE EXHAUST FAN AND CONTINUOUSLY SPRAY WATER INTO THE HOOD THE 24 HOUR TIMER OPTION THE WASH CYCLE WILL BEGIN AT THE SET TIME AFTER THE WASH CYCLE THE SYSTEM WILL RESET FOR THE NEXT SEE THE INSTALLATION AND OPERATION MANUAL FOR MORE INFORMATION FIRE MODE TURN OFF THE FANS AND START THE WASH CYCLE IF THE SYSTEM HAS WATER REQUIREMENTS HOT WATER TEMPERATURE 140 F TO 180 F HOT WATER PRESSU...

Страница 42: ... DOWN AND ALLOWED TO COOL PROPERLY PUSH THE STOP FAN START WASH SWITCH THIS WILL STOP FAN START WASH OPERATING INSTRUCTIONS P N 454034 OPERATION FIRE MODE IS INITIATED BY AN EXTERNAL SIGNAL FROM A FIRE SUPPRESSION SYSTEM IN FIRE MODE THE WATER WASH SYSTEM WILL TURN ON THE EXHAUST FAN AND CONTINUOUSLY SPRAY WATER INTO THE HOOD THE 24 HOUR TIMER OPTION THE WASH CYCLE WILL BEGIN AT THE SET TIME AFTER...

Страница 43: ...ILL TURN ON THE EXHAUST FAN AND CONTINUOUSLY SPRAY WATER INTO THE HOOD THE 24 HOUR TIMER OPTION THE WASH CYCLE WILL BEGIN AT THE SET TIME AFTER THE WASH CYCLE THE SYSTEM WILL RESET FOR THE NEXT SEE THE INSTALLATION AND OPERATION MANUAL FOR MORE INFORMATION FIRE MODE TURN OFF THE FANS AND START THE WASH CYCLE IF THE SYSTEM HAS WATER REQUIREMENTS HOT WATER TEMPERATURE 140 F TO 180 F HOT WATER PRESSU...

Страница 44: ...10 24 15 22 14 21 13 20 12 19 11 18 4 LADDER DIAGRAM FOR WATER WASH CONTROL PANEL F S SWITCH STOP FAN START WASH 2 1 DETERGENT PUMP IND LIGHT FIRE MODE OPTIONAL TIMER OPTIONAL LOW DETERGENT INDICATOR L HEATER CWS COLD WATER SPRAY OPTIONAL FS1 FAN STARTER 1 R3 FS4 FS3 SUPPLY FAN STARTER 2 SUPPLY FAN STARTER 1 OPTIONAL R2 R2 L L 25 26 17 17 16 16 25 27 24 18 L1 N 1 1 1 0 0 7 3L 0 6 0 5 0 4 2L 0 3 0 ...

Страница 45: ...htness belt alignment and lubrication of moving parts Check for proper air volumes TROUBLESHOOTING Before calling your manufacturers representative to report a problem have the following information available 1 Review summary of troubleshooting section in installation operation manual 2 Hood model and serial number 3 Current cooking equipment line up 4 Size of hood length width and height 5 Island...

Страница 46: ...ully to avoid damaging the plunger Check valve diaphragm for failure If it has failed rebuild it Kits of various sizes are available See the Waterwash Start up Checklist on page 52 If solenoid sticks regularly foreign material getting past the building s line strainer is the most likely cause Remove and clean the strainer or install an additional strainer in line before the waterwash cabinet Wash ...

Страница 47: ...rains should be a minimum of 1 1 2 in dia Optional Continuous Cold Water Mist If the fan runs but no cold water check for the following Shut off valve closed Clogged strainer in the pressure reducing valve Water solenoid valve Check to be sure that water solenoid valve is getting power at the terminal strip Check electrical continuity to determine if coil has burned out Gently tap the valve housin...

Страница 48: ...p air should be Kitchen should be in a slight evenly distributed throughout the kitchen negative but not excessive check to see if there is a strong draft through an open door Does the current cooking equipment Adjust or replace fan to match the cooking equipment load match the original design Are there multiple hoods on one fan One hood may be over exhausting and the other hood not drawing enough...

Страница 49: ... to the air curtain heat the supply air Is the make up air part of the hood Try turning off or reducing the amount of make up air heat the supply air or an attached plenum Problem The kitchen gets hot Items to Check Possible Solution Is the hood capturing Hood is not drawing enough air see sections above on fan performance and hood capture Is this an air curtain hood Turn off or reduce the amount ...

Страница 50: ...t provided by Greenheck SC5 from 2010 Products call 800 286 2010 X 701 from ZEP Manufacturing call 877 428 9937 Repair Kits Solenoid Repair Kit from Grainger Solenoid Model 1A579 Repair Kit K 1180 Solenoid Model 1A578 Repair Kit K 1172 Pump Repair from Blue White Industries Model C 600 call 714 893 8529 Reduced Pressure Backflow Preventer from ConbraCo Call 1 704 841 6000 or visit www conbraco com...

Страница 51: ...53682 QTY 1 REQ D GATE VALVE 3 4 P N 453671 1 P N 453672 QTY 1 REQ D TEMP PRESSURE GUAGE P N 457585 QTY 1 REQ D SOLENIOD COIL P N 381049 VAR QTY REQ D ANTI SIPHON VALVE P N 454188 QTY 1 REQ D SOLENIOD VALVE 3 4 P N 381050 1 P N 381051 VAR QTY REQ D DETERGENT PUMP P N 453961 QTY 1 REQ D PRESSURE GUAGE P N 456765 QTY 1 REQ D SOLENOID VALVE P N 381050 QTY 1 REQ D SOLENOID COIL P N 381049 QTY 1 REQ D ...

Страница 52: ...tion on page 25 Manually operate to send signal to PLC input terminal I0 3 OFF MODE see Sequence of Operations on page 29 PLC lights Run I0 2 I0 3 I0 3 may be on or off during all modes START UP COOKING MODE see Sequence of Operations on page 29 Hood lights on Activate Hood Lights switch or pushbutton Hood light switch or button should be lit Fans on Press Start Fan button Fan pushbutton should be...

Страница 53: ...em or remove power from terminal 6 topside of terminal 5 All hoods should have water spraying inside Fire Mode light should be on PLC lights Run I0 3 Q0 0 Q0 1 Q0 2 Q0 3 Q0 4 Q0 5 Q0 6 Q1 0 Q1 1 LOW DETERGENT MODE optional Lift suction valve at the end of the low detergent sensor out of detergent tank Low Detergent light should be on Replace suction valve and light should go off MISCELLANEOUS Hood...

Страница 54: ...54 April 2005 Date Notes ...

Страница 55: ...55 April 2005 Date Notes ...

Страница 56: ...te Any units or parts which prove defective during the warranty period will be replaced at our option when returned to our factory transportation prepaid As a result of our commitment to continuous research Greenheck reserves the right to change specifications without notice Copyright 2005 Greenheck Fan Corp IOM Waterwash FS Rev 1 April 2005 ...

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