Weil-McLain Evergreen EVG 220 Manual Download Page 1

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This manual must only be used by a qualified heating installer/service technician. Read all instructions, including this manual and

all other information shipped with the boiler, before installing. Perform steps in the order given. Failure to comply could result in

severe personal injury, death or substantial property damage.

• Installation

• Startup

• Maintenance

• Parts

Boiler Manual

Part number 550-100-131/0120

CONDENSING GAS BOILER

220/299/300/399

Summary of Contents for Evergreen EVG 220

Page 1: ...anual and all other information shipped with the boiler before installing Perform steps in the order given Failure to comply could result in severe personal injury death or substantial property damage...

Page 2: ...nces The four 4 knockouts on the left side of the control tray are intended for low voltage and boiler pump wiring and the four knockouts on the right side are intended for the line voltage and three...

Page 3: ...The Evergreen Gas fired water boiler continued Line voltage Low voltage Part number 550 100 131 0120 3 gas fired water boiler 220 299 300 399 Boiler Manual...

Page 4: ...E AND TIME menus 85 Startup fill the system 86 Startup final checks 88 Check out startup verification 92 Annual startup and general maintenance 93 Annual startup 94 Manual Test Mode for Single and Mul...

Page 5: ...system components failures power out ages or other electrical system failures could result in frozen plumbing and water damage in a matter of hours For your protection take preventative actions such a...

Page 6: ...llation Code CAN CSA B149 1 and B149 2 for Canadian installations Locate or protect the boiler so it cannot be damaged by a moving vehicle Ensure that the installation complies with all applicable cod...

Page 7: ...s specified by vent pipe manufacturer A Provide combustion air ventilation openings per Figure 26 page 24 or as otherwise directed in this manual or by applicable codes NOTE If the installation does n...

Page 8: ...opening door latches Removing the door will prevent possible damage to the door during handling 4 Remove the additional trim kits from inside the boiler 5 To remove boiler from pallet after removing j...

Page 9: ...ng board skip this step 4 Level the bracket using a level and trace the outline of the screw slots with a pencil If using a backing board skip this step 5 Remove the wall mounting bracket and drill di...

Page 10: ...e into the tee Item 5b as shown in Figure 7 page 11 Fill and pressure test 1 See Figure 6 page 11 for use with the following instructions 2 CLOSE boiler drain valve item 12 Connect a hose to fresh wat...

Page 11: ...lief valve mounted here 4 Pressure temperature gauge shipped loose with boiler 5a Reducing tee NPT 1 x 1 x on EVG 220 or 1 x 1 x on EVG 299 300 399 shipped loose with boiler 5b Reducing tee NPT 1 x 1...

Page 12: ...must be repaired at once Fail ure to do so can damage boiler resulting in substantial property damage Part number 550 100 131 0120 12 gas fired water boiler 220 299 300 399 Boiler Manual Boiler hydro...

Page 13: ...Hd T20 M4x12 w Square Cone Lock Washer 3 562 248 765 Washer 89 ID x 1 19 OD Garlock 1 590 318 102 O Ring 3mm x 70mm Black 1 590 318 103 Gasket 1 Lips EPDM Ring 60 Dia MM 1 550 225 336 Label Gas Conver...

Page 14: ...r clips 2 3 Venturi 4 Blower 5 Gas valve 6 Gas pipe 7 Swivel nut 8 Fiber Washer 8 Remove three 3 T20 Torx screws holding the venturi Item 3 in place Remove venturi o ring and inspect blower surface Di...

Page 15: ...y the offset regu lating screw must be adjusted Remove the sealed slotted cap protecting the white offset regulating screw before making adjustments It is critical to be precise for the adjustment of...

Page 16: ...ied in Figure 89 page 91 by model size Then force the boiler to Low Fire and adjust the offset regulating screw to the CO2 and CO ranges specified in Figure 89 page 91 by model size Reinstall the slot...

Page 17: ...as setting to NO 3 Turn throttle screw clockwise until it stops and then turn counter clockwise number of turns per Figure 19 Figure 19 is intended to make rough adjustment to gas valve to allow the b...

Page 18: ...t high fire 3 89 mm w c 2 Install 100 lockup gas pressure regulator in supply line if inlet pressure can exceed 14 w c at any time Adjust lockup regulator for 14 w c maximum Propane Gas You must follo...

Page 19: ...vented with any other appliance When an existing boiler is replaced with an Evergreen boiler the Evergreen boiler CANNOT use the existing common vent The Ev ergreen boiler requires its own vent and ai...

Page 20: ...nches Materials page 21 Size inches Materials page 21 Size inches Materials page 21 220 3 PVC PVC DWV CPVC PP 3 PVC PVC DWV CPVC PP SS 3 PVC PVC DWV CPVC 3 PVC PVC DWV CPVC PP SS 3 PVC PVC DWV CPVC PP...

Page 21: ...V CPVC or polypropylene AL29 4C stainless steel piping materials Vent pipe AL29 4C stainless steel Heat Fab Inc Saf T Vent Z Flex Inc Z Vent Dura Vent FasNSeal Metal Fab Inc CORR GUARD Certified for C...

Page 22: ...n print size no less than one half 1 2 inch in size GAS VENT DIRECTLY BE LOW KEEP CLEAR OF ALL OBSTRUCTIONS 4 INSPECTION The state or local gas inspector of the side wall horizontally vented gas fuele...

Page 23: ...ces below are for U S A for Canadian vent termination clearances please refer to the requirements of CAN CSA B149 1 Natural Gas and Propane Installation Code Consideration should be given to avoid pos...

Page 24: ...are inch per 3 000 Btuh of all other appliances in the room Unless specified otherwise by appliance manufacturer TWO openings each at least 1 square inch per 4 000 Btuh of all other appliances in the...

Page 25: ...all required clearances USE SWEEP ELBOWS FOR ALL VENT AND AIR PIPING DO NOT use short radius elbows for vent or air piping Boiler performance could be affected Allowable vent air pipe materials length...

Page 26: ...t the termination from being pushed inward if struck or pushed from the outside 5 Follow all local codes for isolation of vent pipe when passing through floors or walls 6 Seal exterior openings thorou...

Page 27: ...property damage 2 Place wall penetrations to obtain minimum clearance as shown in for U S installations For Canadian instal lations provide clearances required by Natural Gas and Propane Installation...

Page 28: ...hors to secure the outside plate Install the outside plate and mount the termination on the plate temporarily a Cut the flue pipe so the extension through the wall will cause the vent pipe to fully ex...

Page 29: ...d in this manual All vent pipes and air inlets must terminate at the same height to avoid possibility of severe per sonal injury death or substantial property damage 2 Place wall penetrations to obtai...

Page 30: ...de wall or outer thimble plate as shown in Figure 36 4 Before beginning vent and air piping from the boiler to the con centric termination mount and secure the concentric termination as shown in Figur...

Page 31: ...de CAN CSA B149 1 or B149 2 Installation Code and a ULC S636 compliant vent kit 3 The air inlet of a Evergreen boiler is part of a direct vent connection It is not classified as a forced air intake wi...

Page 32: ...he vent termination elbow and the air termination elbow Figure 37 page 31 by inserting bird screens Bird screens must be purchased separately See the parts list at the end of this manual for part numb...

Page 33: ...or sediment 5 For Canadian installations follow requirements of Natural Gas and Propane Installation Code CAN CSA B149 1 or B149 2 and a ULC S636 compliant vent kit Multiple vent air terminations 1 W...

Page 34: ...ngs DO NOT drill or screw into either the vent pipe or air pipe Failure to properly support the vent and air piping could result in vent piping damage resulting in possible severe personal injury deat...

Page 35: ...ion to prevent debris from blocking the air passages If necessary youcanshortenthelengthsof the inner and outer pipes for a shorter finished assembly But you must ensure the pipes butt correctly at bo...

Page 36: ...l for part numbers 2 Maintain the required dimensions of the finished ter mination piping as shown in Figure 44 Multiple vent terminations 1 When terminating multiple Evergreen boilers terminate each...

Page 37: ...cent buildings or surfaces window wells stairwells alcoves courtyards or other recessed areas c Locate the air inlet termination at least 12 inches below and 12 inches horizontally from any appliance...

Page 38: ...ave smooth straight section of pipe to insert in to the boiler vent and air connections and must fit and seal tightly PP adapters with their own seal which would interfere with the internal seal of th...

Page 39: ...e low water cutoff device is recommended when the boiler is installed above piping level and may be required by certain state or local codes or insurance com panies Consult local requirements to deter...

Page 40: ...coil units or radiant tubing The following simplified method for pipe and circulator sizing must be limited to residential ap plications using baseboard finned or cast iron cast iron radiators or conv...

Page 41: ...m is connected to heating coils located in air handling units where there may be exposed to refrigerated air circulation then it must be equipped with flow control valves or other automatic means to p...

Page 42: ...IG to avoid weeping of relief valve Install an automatic air vent on top of the air separator per separator manufacturer s instructions Closed type expansion tank DO NOT use a closed type tank if conn...

Page 43: ...re set up for Space Heating Priority 2 Each input correlates to its respective circulator output For DHW Priority applications wire aquastat to Input 1 and assign to Priority 1 See Field wiring instru...

Page 44: ...livering the proper flow and head as shown 3 The flow check valve shown on the boiler outlet piping prevents gravity circulation in the boiler loop during DHW heating Use at least the MINIMUM pipe siz...

Page 45: ...t SeeAdvanced Manual to configure Boiler Pump to run during DHW demands and change TARGET MOD SENSOR to System Supply 3 DHW Priority operation Using Priority 1 for DHW default will turn off lower prio...

Page 46: ...ry connection Use only primary secondary piping as shown Failure to follow these guidelines could result in system problems High limit in system piping 1 Add the recommended high limit control Figure...

Page 47: ...n 303 of the 2007 Energy Act See page 129 for compliance informa tion and exemptions Controlling the circulators 1 The control can control up to four circulators boiler circulator and three others Ref...

Page 48: ...Outdoor Reset function by setting control to DHW mode when system is intended for space heating may violate Section 303 of the 2007 Energy Act See page 129 for compliance information and exemptions Co...

Page 49: ...to the PVC reducing elbow as shown 6 Allow joint to dry completely 7 Then slide gasket over nipple as shown in Figure 59 8 Slide nipple through jacket condensate line hole to position as shown in Figu...

Page 50: ...lect one approved for use with condensing boilers and fur naces The pump should have an overflow switch to prevent property damage from condensate spillage See Figure 61 for required flow capacity 4 W...

Page 51: ...boiler in operation check boiler and its gas con nection for leaks a During any pressure testing at less than 14 356 mm w c close the gas shutoff valve and disconnect system gas piping At higher test...

Page 52: ...AL SHOCK HAZARD For your safety turn off electrical power supply at service entrance panel before making any electrical connections to avoid possible electric shock hazard Failure to do so can cause s...

Page 53: ...ator A system circulator A DHW circulator used to circulate through an indirect tank An auxiliary item that must be energized during an input call such as an air damper 6 When using inputs outputs for...

Page 54: ...space heating zones tied to PRIORITY 2 which is defaulted to FINNED TUBE BASEBOARD system type 6 For DHW applications the aquastat can be connected to one of the three input output pairs Take advanta...

Page 55: ...e 65 page 59 for details F Outdoor temperature sensor REQUIRED unless exempted Terminal Block P10 EVG control module left side 1 The control provides programmable options if using an outdoor tempera t...

Page 56: ...McLain Low water cut off kit is included with the boiler 3 Wiring another LWCO must have isolated contact a Other low water cut offs can be used with the EVG only if the device uses an isolated conta...

Page 57: ...s dry contact to an unused input on the control and its pump valve to the respective output Then assign and setup a priority to the input using the Wizard or manually through the contractor menu b A...

Page 58: ...chosen Accept all defaults for INPUT 1 no changes should be necessary during the WIZARD After the WIZARD has been completed go to the ASSIGN INPUTS menu for INPUT 1 Change SOURCE to 0 10V default set...

Page 59: ...Wiring diagram schematic Figure 65 Evergreen schematic wiring diagram see Figure 66 page 60 for legend and notes Part number 550 100 131 0120 59 gas fired water boiler 220 299 300 399 Boiler Manual...

Page 60: ...Wiring diagram ladder Figure 66 Evergreen ladder wiring diagram see Figure 65 page 59 for schematic wiring diagram Part number 550 100 131 0120 60 gas fired water boiler 220 299 300 399 Boiler Manual...

Page 61: ...T 1 to PRIORITY 1 which is factory default configured for DHW applications 5 Use the factory default settings for DHW and for the heating system type chosen or change if needed 6 Factory defaults shou...

Page 62: ...ulator 7 Factory defaults should work for other settings not listed above Thesystemmustbeequippedwithaby pass pressure regulating valve Flow can occur with zone valves closed WMZV zone valve zone cont...

Page 63: ...e network SmartSequencingTM Uses a low firing rate setting called BASERATE LOW to keep boilers at a low firing rate bringing on additional boilers at reduced rate until all boilers are on if necessary...

Page 64: ...lly adjusts blower speed and gas flow rate to match boiler output to space heating and or DHW heating demand The control provides three inputs and three outputs for circula tors or auxiliary devices p...

Page 65: ...Figure 68 this occurs at 0 F outside the fac tory default setting 3 OD RESET MIN should equal the ODT outdoor design tem perature for the installation s location Remote target operation 0 10VDC input...

Page 66: ...100 131 0120 66 gas fired water boiler 220 299 300 399 Boiler Manual Evergreen Control operation continued Figure 70 Evergreen single boiler essential settings REQUIRED on initial start up see page 74...

Page 67: ...Part number 550 100 131 0120 67 gas fired water boiler 220 299 300 399 Boiler Manual Evergreen Control operation continued Figure 71 Evergreen control display screens and typical navigation...

Page 68: ...correctly could result in severe personal injury death or substantial property damage Incorrect setup or piping can result in severe personal injury death or substantial property damage Use primary se...

Page 69: ...n valves 8 Expansion tank 9 Air separator 10 Flow check or spring check valves 11 Purge drain valves 12 Boiler circula tor supplied with boiler field piped 14 Unions as needed for service 15 Return te...

Page 70: ...operty damage Incorrect setup or piping can result in severe personal injury death or substantial property damage Use primary secondary piping or equivalent ONLY Do not use direct connect system pipin...

Page 71: ...valves 8 Expansion tank 9 Air separator 10 Flow check or spring check valves 11 Purge drain valves 12 Boiler circula tor supplied with boiler field piped 14 Unions as needed for service 15 Return temp...

Page 72: ...amage Use primary secondary piping or equivalent ONLY Do not use direct connect system piping Verify that the correct system type is selected on the con trol and that operating temperature settings ar...

Page 73: ...nsion tank 9 Air separator 10 Flow check or spring check valves 11 Purge drain valves 12 Boiler circula tor supplied with boiler field piped 13 Zone valves 14 Unions as needed for service 15 Return te...

Page 74: ...ned non selectable Target Mod Sensor non selectable System Type Target Adjust non selectable Maintenance Info menu Target Mod Sensor non selectable Supply Max See Figure 85 page 85 for details Target...

Page 75: ...nual reset high limit and WWSD temperature settings outdoor sensor temp adjustment circulator exercising freeze protection setup and restore to factory default option See page 76 PRIORITY 1 These sett...

Page 76: ...this tempera ture the Evergreen control will shut down the boiler and enter lockout Changing this setting is NOT recom mended WWSD TEMP WWSD stands for warm weather shut down It means the boiler will...

Page 77: ...ce of system sensor Not adjustable in Basic Mode see Advanced Manual for information on adjusting this parameter TARGET ADJUST Select how target temperature is calculated by control NONE no reset fixe...

Page 78: ...ority make sure PRIORITY 1 is defined for a DHW system If DHW priority is required and analog input 0 10v remote modulation is used for space heating wire the DHW aquastat to Input 2 TT2 and assign IN...

Page 79: ...output is energized if there is an input closure on this boiler The assigned output will de energize once there are no input on this boiler post purge has finished and post pump time has expired If t...

Page 80: ...ER DEMAND OF MASTER MANUAL LIMIT AUTO LIMIT LOW WTR CUTOFF AIR P SWITCH CLOSURE SWITCH BLOWER SPEED RPM FLAME SIGNAL See following pages for details OUTPUTS STATUS GAS VALVE CIRC OUTPUT 1 CIRC OUTPUT...

Page 81: ...ils PAST ERRORS CONTROL FAULTS IGNITION RETRIES See following pages for details MANUAL RESET CNT See following pages for details AUTO RESET CNT See following pages for details LOCKOUT HISTORY 1 LOCKOU...

Page 82: ...being satisfied post purge Warm Weather Shut down Trouble Input 1 Call for heat status on Input 1 Input 1 can be TT1 or 0 10VDC input Input 2 Call for heat status on Input 2 Input 3 Call for heat sta...

Page 83: ...rk Boilers For multiple boilers only See EVG Advanced manual Shows current rate of boiler F Shows Boiler Out temperature of boiler Shows priority being satisfied updated based on active demand Shows s...

Page 84: ...rred Fault Type Displays the type of fault that occurred Time Displays time that lockout occurred Date Displays date that lockout occurred Status Displays what the status of the boiler was at the time...

Page 85: ...R screen in Diagnostic Menu Maintenance Info Comment Name Contractor name to appear in maintenance reminders and during lockouts Phone Contractor phone number Model Displays the boiler model selected...

Page 86: ...before proceeding further Eliminate all system leaks Continual fresh make up water will reduce boiler life Minerals can build up in the heat exchanger reducing heat transfer overheat ingheatexchanger...

Page 87: ...w the same procedure to purge air from the boiler and its internal piping 7 Close the quick fill water valve and purge valve and remove the hose Open all isolation valves Watch that system pressure ri...

Page 88: ...ectly set for operation Fill vent condensate trap with water by removing hose clamp and hose at PVC reducing elbow Replace hose on PVC reduc ing elbow and tighten clamp Verify electrical connections a...

Page 89: ...00 131 0120 89 gas fired water boiler 220 299 300 399 Boiler Manual Figure 87 Operating instructions WARNING Verify that the Control is set for the correct boiler model before proceeding Startup final...

Page 90: ...re 4 Look at the flame through the flame inspection window The high fire flame should be blue and should be stable The burner surface should be covered with orange dots 5 Insert combustion analyzer pr...

Page 91: ...lues above are with the boiler front door removed Values will increase about 0 2 once the door is reinstalled REINSTALL the boiler door after completing service ThelowfireCO2 listedistypical Thevalvem...

Page 92: ...goes through normal startup cycle Lowered to lowest setting and verified boiler goes off Natural gas input measured page 90 Incoming gas pressure checked by connecting manometer to gas valve ahead of...

Page 93: ...erature If Indirect Tank installed Every 6 months Check boiler piping gas and water Operate relief valve Service technician see page numbers indicated for details ANNUAL START UP See First year specia...

Page 94: ...the items above when needed could result in severe personal injury death or substantial property dam age 1 No later than 12 months after the boiler is in stalled perform a first year inspection of th...

Page 95: ...VICE THE BOILER WITHOUT AN Evergreen INSPECTION KIT AVAILABLE Before each annual inspection obtain an EVG Inspection Kit which includes parts required for the procedures given in this manual It is rec...

Page 96: ...se or contracts as the water cools 2 Tank types see page 42 Closed type welded gas tight and located above boiler Tank is partially filled with water leaving an air cushion for expansion Make sure a c...

Page 97: ...h a new one 6 Slide the new gasket onto the flame sense rod assembly 7 Inspect flame sense wire from flame sense connector to the connector at the control module in boiler control tray a Check resista...

Page 98: ...If visual inspection of the heat exchanger indicates the need follow the procedures in Cleaning the heatexchanger FLUE SIDE or accessingtheburner when required on page 111 to remove the heat exchanger...

Page 99: ...ilers in the kit box Check burner flame and flame signal The boiler contains ceramic fiber materi als Use care when handling these materials per instructions on page 94 of this manual Failuretocomplyc...

Page 100: ...splay to view flue gas temperature and boiler return temperature 2 The flue gas temperature should be no more than 50 F higher than the boiler return temperature 3 If the flue temperature is higher th...

Page 101: ...over pressurization of the system due to expansion tank waterlogging or under sizing Review with owner 1 Review the User s Information Manual with the owner 2 Emphasize the need to perform the mainten...

Page 102: ...ure thermostat is calling for heat and contacts includ ing appropriate zone controls are closed Check for 24 VAC between thermostat wire nuts and ground 2 Make sure all external limit controls are eit...

Page 103: ...re sensors are all resistance type devices Figure 99 shows the correct value for the sensor at various temperatures For dual sensors the temperature difference between the sensors must be no more than...

Page 104: ...on the control display and navigation instructions for all menus 2 Figure 100 shows the screen behavior during a fault condition The display il lustration and text below in Figure 100 shows how to res...

Page 105: ...recorded lockout Select and press the enter key for more details Lockout History 2 Details of boiler during the second oldest lockout still in memory Select and press the enter key for more details Lo...

Page 106: ...ing is shown on display screen but boiler is operating Occurs if the communication is lost from the control to the display or Display contrast needs to be adjusted Check for loose connections and prop...

Page 107: ...ure goes above 200 F when the burner is running Automatically resets when Supply temperature goes below 200 F Verify proper flow direction of the boiler circulator This circulator must be installed to...

Page 108: ...ME FAULT Occurs if flame is detected when there should be no flame Reset using manual reset screen on display Burner may be operating too hot due to incorrect combustion Inspect flame and conduct comb...

Page 109: ...nturi gaskets and proper venturi Propane models use different venturi s OUTDOOR SENSOR ERROR Outdoor temperature sensor short or OPEN Will automatically reset if the condition clears Warning only Supp...

Page 110: ...rgreen maintenance kit includes essential compo nents that must be replaced when accessing or disassembling parts of the boiler Failure to replace damaged components and to use only the parts specific...

Page 111: ...page 115 EVG 220 shown 2 Use a T20 Torx to remove the four 4 M4 screws item 10 that secure the burner access cover item 4 to the heat ex changer cover plate item 6 3 Remove the burner access cover ite...

Page 112: ...hanger cover plate a See Figure 109 page 115 part A part B and part C b Use a 10 mm wrench or socket to remove the nuts item 9 that secure the heat exchanger cover plate item 6 to the heat exchanger S...

Page 113: ...e dam aged 5 Use the silicone adhesive to lay a bead of silicone in a weaving pattern as shown a Maintain at least 1 inch clearance from edges of refractory and from openings in refractory b Do not ap...

Page 114: ...st be secure with b Use a torque wrench to tighten screws to a torque of 23 inch pounds 4 Reinstall the igniter assembly item 7 a Insert the igniter into the cover plate opening with the new gasket in...

Page 115: ...550 100 131 0120 115 gas fired water boiler 220 299 300 399 Boiler Manual Cleaning heat exchanger flue side continued Figure 109 Accessing the burner or heat exchanger see Legend on page 114 Evergree...

Page 116: ...ns ceramic fiber materials Usecarewhen handling these materials per instructions on page 94 of this manual Failuretocomplycouldresultinseverepersonalinjury REINSTALL JACKET DOOR Inspect boiler jacket...

Page 117: ...300 399 560 907 767 560 907 768 Low water cut off w test button Kit 383 500 643 Relief Valve 80 psi and P T Gauge Kit 383 900 082 Condensate neutralizer kit 383 500 631 Weil McLain sidewall vent air...

Page 118: ...adapter to cabinet Gasket flue adapter to cabinet 383 900 058 190 Gasket pipe adapter to system pipe Gasket fits inner diameter of top adapter 590 318 106 200 Jacket panel bottom Includes bottom gask...

Page 119: ...0 100 131 0120 119 gas fired water boiler 220 299 300 399 Boiler Manual Replacement parts continued Figure 113 Jacket assembly Evergreen 220 299 300 399 see Figure 112 page 118 for part numbers Gasket...

Page 120: ...gasket flame rod gasket and burner gasket 383 900 032 160 Heat exchanger cover plate refractory silicone gaskets and hardware Includes items 150 190 and 270 383 900 016 170 Flame sense rod kit Include...

Page 121: ...ate Weil McLain distributors Part number 550 100 131 0120 121 gas fired water boiler 220 299 300 399 Boiler Manual Replacement parts continued Figure 115 Evergreen 220 heat exchanger assembly see Figu...

Page 122: ...t and burner gasket 383 900 031 383 900 096 160 Heat exchanger cover plate refractory silicone gaskets and hardware Includes items 150 190 and 270 383 900 017 383 900 095 170 Flame sense rod kit Inclu...

Page 123: ...umber 550 100 131 0120 123 gas fired water boiler 220 299 300 399 Boiler Manual Replacement parts continued Figure 117 Evergreen 299 300 399 heat exchanger assembly see Figure 116 page 122 for part nu...

Page 124: ...ween adapter and venturi 562 248 765 160 Gas valve adapter block Threaded block o ring and screws 2 required 383 900 026 170 Gas flex line adapter Connection between gas valve and gas line 562 302 583...

Page 125: ...eil McLain distributors Figure 119 Piping components for Evergreen 220 299 300 399 see Figure 118 page 124 for part numbers Part number 550 100 131 0120 125 gas fired water boiler 220 299 300 399 Boil...

Page 126: ...to not shown here see Figure 98 page 103 5 Fuses used for low voltage circuit 383 500 603 270 F3 12 amp 250 Volt fast blow ag not shown here see Figure 98 page 103 5 Fuses used for line voltage circui...

Page 127: ...cLain distributors Part number 550 100 131 0120 127 gas fired water boiler 220 299 300 399 Boiler Manual Figure 121 Controls electrical assemblies Evergreen 220 299 300 399 see Figure 120 page 126 for...

Page 128: ...Boiler supply tapping 1 NPT 2 Boiler return tapping 1 NPT 3 Control panel with display and navigation buttons 4 Electrical entrance openings 5 Vent connection 4 PVC 6 Gas connection NPT manual gas va...

Page 129: ...399 vent air pipes must be 4 All vent and air pipe elbows must be sweep elbows NOT short radius elbows 5 Ratings shown are for sea level ap plications only For altitudes from sea level to 2000 feet ab...

Page 130: ...nt air pipe length increases due to the pressure loss through the piping See Figure 123 page 129 for details All Evergreen installations require a separate vent pipe and termination for each boiler Ve...

Page 131: ..._____ Btu Input ___________________ CERTIFIED THAT Installation instructions have been followed Check out sequence has been performed Information on next two pages is certified to be correct Informati...

Page 132: ...olts For Max ___________ V Circulator Exercising Base Rate Low _____ Volts For Min ___________ V Circulator 1 ON___ OFF___ Boiler Rotation Type _________ Boost Time ___________ Mins Circulator 2 ON___...

Page 133: ...Diff ___________ F Drop BLR Diff ___________ F Mod Delay Time ___________ Mins Mod Delay Time ___________ Mins Mod Delay Time ___________Mins Stabilization Time ___________ Mins Stabilization Time ___...

Page 134: ...Part number 550 100 131 0120 134 gas fired water boiler 220 299 300 399 Boiler Manual Notes...

Page 135: ...Part number 550 100 131 0120 135 gas fired water boiler 220 299 300 399 Boiler Manual Notes...

Page 136: ...136 gas fired water boiler 220 299 300 399 Boiler Manual...

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