Weil-McLain Gold Plus 40 Скачать руководство пользователя страница 1

Series 3

 

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

Gas-fired water boilers – Series 3

Featuring

Flexibility

Part number 550-100-090/0809

Содержание Gold Plus 40

Страница 1: ...l 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 Ins...

Страница 2: ...ewall vent air termination Weil McLain cap 18 Install vent air piping boiler to W M termination 22 Install condensate line 23 Gas piping 25 Field wiring basic system 26 U Control operation and setup 2...

Страница 3: ...ensate hose Install condensate pump and filter if required 25 Gas piping Verify gas pipe size Connect boiler to gas line 26 27 Field wiring Connect wiring to boiler and components 28 30 U Control oper...

Страница 4: ...internal corrosion Leaks in boiler or piping must be repaired at once to prevent make up water Use this boiler ONLY in a closed loop system Do not add cold water to hot boiler Thermal shock can cause...

Страница 5: ...in severe personal injury death or substantial property damage The Ultra boiler must be installed so that gas control system com 3 ponents are protected from dripping or spraying water or rain during...

Страница 6: ...t the boiler so it cannot be damaged by a moving vehicle Ensure that the installation complies with all applicable codes Provide air openings to room Air openings Ultra boiler alone in boiler room No...

Страница 7: ...n handle with care until the plastic components come to room temperature The Ultra boiler is generally easier to handle and maneuver after 1 removing from crate After removing outer shipping carton fr...

Страница 8: ...with Figure 2 that would still allow bleeding air from shutoff valves Follow guidelines in this manual for piping components locations 9 and sizing Fill and pressure test Open the shutoff valves you...

Страница 9: ...a 200 F external limit for example Separate low water cutoff A low water cutoff device is recommended when the boiler is in 1 stalled above piping level and may be required by certain state or local c...

Страница 10: ...ron cast iron radiators or convectors DO NOT apply for radiant heating fan coil units or commercial installations Simplified pipe circulator selection Install the boiler and piping using the recommend...

Страница 11: ...top of the air separator to remove residual air from the system Whenusingdiaphragmorbladdertanksonly whenthe boiler is installed above the system main piping install an automatic air vent in the top o...

Страница 12: ...to the zone valves Also see the information on page 14 and page 15 for suggested piping and sizing Use at least the MINIMUM pipe size shown in Figure 5 on all boiler loop piping connecting boiler to...

Страница 13: ...IMUM pipe size shown in Figure 6 on all boiler loop piping connecting boiler to and from the primary secondary connection item 21 Use only primary secondary piping as shown Failure to fol low these gu...

Страница 14: ...GPM MBH 115 140 GPH 115 140 Head loss ft DHW pipe size CIRC PLUS model GPM MBH 115 140 GPH 115 140 Head loss ft DHW pipe size CIRC 80 71 MBH 40 6 5 71 71 160 124 8 5 1 007 40 6 5 71 71 160 124 8 5 1 0...

Страница 15: ...er manual for piping 27 Automatic air vent must be installed in the vent tapping on top of the PLUS water heater Items supplied with boiler Items supplied by others 12 20 23 23 27 10 10 7 5 9 8 Zone v...

Страница 16: ...ance When an existing boiler is replaced with an Ultra boiler the Ultra boiler CANNOT use the existing common vent The Ultra boiler requires its own vent and air piping as specified in this manual Th...

Страница 17: ...re 11 page 16 and ensure the air intake will not be likely to draw in contaminated air Combustion air can be piped individually for each boiler or it can be 2 manifolded as shown in Figure 59 page 55...

Страница 18: ...inch outside diameter pipe at the boiler vent and air connections Vent and air pipe minimum length Vent pipe and air pipe must each be at least 2 feet 1 long with 2 elbows if sidewall venting or 1 elb...

Страница 19: ...connections at the boiler and the termination Allowable vent air pipe materials Use only the materials listed in 1 Figure 12 page 17 Maximum piping length Locate the termination such that the total ai...

Страница 20: ...than 4 feet horizontally above or be c low from any electric meter gas meter regulator relief valve or other equipment Locate terminations so they are not likely to be damaged by foreign 4 objects su...

Страница 21: ...h or substantial property damage Cut holes in the wall as shown in e Figure 21 using the location marks made with the template For best results use a small diameter long drill bit to drill centering h...

Страница 22: ...inserted Wipe excess cement from joint Check joint to be f sure a smooth bead of cement shows around the entire joint Install pipe supports as shown in 10 Figure 22 page 21 Slope vent and air piping...

Страница 23: ...wn in 8 Figure 25 Slide nipple through jacket condensate line hole to position as 9 shown in Figure 25 Cement the tee to the protruding nipple Be sure both nipple 10 and reducing elbow finish upright...

Страница 24: ...low capacity When sizing condensate pumps make sure to include the total 4 load of all Ultra boilers connected to it The condensate line must remain unobstructed allow ing free flow of condensate If c...

Страница 25: ...the correct outlet pressure This setting is suitable for natural gas and pro pane requiring no field adjustment Attempting to alter or measure the gas valve outlet pressure could result in damage to...

Страница 26: ...20 VAC For circulators with higher amp ratings you must install a circulator relay or starter to provide line voltage to the circulator For circulators rated over 2 2 amps connect only the circula tor...

Страница 27: ...own in piping diagrams on page 11 through page 15 Attach a sensor supplied with boiler to the system return pipe and wire to terminals P14 2 and 3 Locate sensor in the position shown in piping diagram...

Страница 28: ...y and start priority timer If demand satisfied go to postpurge DHW heating Flame detected Release boiler to modulation immediately NOTE If flame is not detected the gas valve is turned off blower turn...

Страница 29: ...ber 550 100 090 0809 29 gas fired water boiler Boiler Manual BASIC INSTALLATION U Control operation and setup continued U Control display and navigation Figure 34 see Figure 101 page 85 see Figure 101...

Страница 30: ...tube baseboard with or without a DHW tank provided A DHW tank if used must be piped directly to the boiler as in the a piping shown in Figure 5 page 12 or Figure 6 page 13 If the DHW tank is a separat...

Страница 31: ...d with Sentinel X100 inhibitor and 1 Sentinel inhibitor test kit See Repair Parts at the end of this manual for re ordering information After filling the system as directed in these instructions use 2...

Страница 32: ...y After the system has been filled and leak tested verify water pH and 2 chlorine concentrations are acceptable Verify antifreeze concentration when used 3 Follow the instructions on the Sentinel test...

Страница 33: ...while restricting flow in drain tube if boiler has been out of service for an extended period Failure to fill the trap could result in severe personal injury or death Final checks before starting boi...

Страница 34: ...Check for gas tight seal at every connection and 1 seam of air piping and vent piping Startup final checks continued Venting system must be sealed gas tight to prevent flue gas spillage and carbon mon...

Страница 35: ...090 0809 35 gas fired water boiler Boiler Manual BASIC INSTALLATION Startup final checks continued Operating instructions WARNING Verify that the U Control is set for the correct boiler model before p...

Страница 36: ...on the venturi If throttle screw adjustment does not correct the problem then shut down the boiler and contact your local Weil McLain representative Throttle screw adjustment must be done only by a q...

Страница 37: ...r that might indicate a need to check combustion 2 values at high fire as per page 36 to verify boiler is in adjustment include difficulty igniting poor flame stability at low fire combus tion noise o...

Страница 38: ...r has a low water cutoff additional high limit or other controls tested for operation as outlined by manufacturer Boiler should be operating and should go off when controls are tested Verify controls...

Страница 39: ...oilers This section provides application information and suggested piping for multiple boiler systems 62 76 Vent air piping alternatives This section provides installation instructions for four additi...

Страница 40: ...de entering setting values and resetting after lockout 11 Flue pipe adapter with internal drain 12 Burner not shown Made with high grade stainless steel construction the burner uses pre mixed air and...

Страница 41: ...Part number 550 100 090 0809 41 gas fired water boiler Boiler Manual ADVANCED INSTALLATION The Gas fired water boiler Featuring Flexibility...

Страница 42: ...firing 13 Water outlet pipe system supply 14 Water return pipe system return 15 Gas connection pipe 16 U Control Module The U Control Module responds to signals from the room thermostats DHW aquastats...

Страница 43: ...Part number 550 100 090 0809 43 gas fired water boiler Boiler Manual ADVANCED INSTALLATION The Gas fired water boiler Featuring Flexibility...

Страница 44: ...altitude installations For installations more than 5 500 feet above sea level obtain the high altitude propane orifice kit Verify orifice size See Figure 41 Verify when installingthattheorificesizema...

Страница 45: ...lve against venturi and replace 3 Allen head 10 screws securing valve to venturi Figure 42 page 44 or Fig ure 43 See 11 Figure 42 page 44 or Figure 43 Secure gas valve inlet adapter to gas valve with...

Страница 46: ...of enclosure applies only for Ultra 80 through 230 Verify all parts listed above are available before proceeding g Stud spacing Bracket holes are spaced for studs on 16 inch centers 3 For other stud...

Страница 47: ...ket and trace the outline of the screw slots with a 4 pencil Remove bracket and drill holes 1 4 diameter by 3 inches deep 5 centered on the screw slot outlines For metal stud walls using 3 16 toggle b...

Страница 48: ...he piping as in Figure 48 The DHW water only flows through the secondary circuit connector piping NOTE Make sure to size the connector piping Figure 48 item 23 to handle the total flow it must handle...

Страница 49: ...n Figure 49 on all boiler loop piping connecting boiler to and from the primary secondary connection item 21 Use only primary secondary piping as shown Failure to fol low these guidelines could result...

Страница 50: ...heating applications The primary secondary piping shown ensures the boiler loop will have sufficient flow Size the system piping and circulator to provide the flow and pressure drop needed for the ra...

Страница 51: ...from the primary secondary connection item 21 Use only primary secondary piping as shown Failure to fol low these guidelines could result in system problems Thespaceheatingsystemmaybezonedwithcircula...

Страница 52: ...rop H1 and the pressure drop in the piping H2 Make sure to use the cop per pipe size given in column 3 when piping the water heater Step 4 Add the pressure drop across the water heater from Step 1 to...

Страница 53: ...6 6 2 7 9 16 1 11 6 4 2 10 14 1 14 6 2 5 Ultra 105 94 000 Btuh output 7 27 1 7 0 2 7 9 21 1 11 2 4 2 10 19 1 13 6 2 5 13 14 1 22 2 3 9 Ultra 155 139 000 Btuh output 9 31 1 6 2 2 1 10 0 28 1 7 7 2 5 1...

Страница 54: ...or boiler 4 room floor Uncrate assemble and mount boilers according to 5 instructions in this manual Provide clearance for installation of venting air 6 piping gas piping expansion tank primary circu...

Страница 55: ...ter damper has opened ONLY air piping can be combined DO NOT use combined vent piping Flue gas leakage and boiler component damage can occur Failure to comply could result in severe personal injury de...

Страница 56: ...boiler as shown Some local codes may require the use of individual water level controls and limits on each boiler when isolation valves are installed Install main system air eliminator and primary cir...

Страница 57: ...ucing valve 11 Check valve or backflow preventer as required by applicable codes 12 Isolation valve 13 Cold water supply 14 Supply water temperature control when used 15 Low water cutoff when used pla...

Страница 58: ...eturn 20 Boiler relief valve and discharge piping installed per Ultra Boiler Manual 21 Indirect fired storage water heaters Weil McLain PLUS Line shown Example is shown connected to one boiler of the...

Страница 59: ...outlet 24 DHW boiler side circulators 25 DHW boiler side supply Easy Fit Manifold 26 DHW boiler side return Easy Fit Manifold 27 Flow check valves to prevent induced or gravity flow in heating system...

Страница 60: ...rom boiler connection tees Notes 1 Contact heat exchanger manufacturer for heat exchanger shell side and tube side piping and circulator require ments Tube side flow and temperatures must meet heating...

Страница 61: ...ly in line with the exhaust vent terminal for the horizontally vented gas fueled heating appliance or equipment The sign shall read in print size no less than one half 1 2 inch in size GAS VENT DIRECT...

Страница 62: ...lent length of piping 7 feet per for each 4 inch elbow 2 or 3 inch 90 long radius or 45 elbow 16 feet for each 2 or 3 inch short radius elbow a Use 3 x2 reducer at boiler b Use 3 x2 PVC reducers at te...

Страница 63: ...which will cause the air pipe to be slightly higher or lower than the vent but the center lines will match those at the boiler vent and air connections Determine locations for terminations A gas vent...

Страница 64: ...e any public walkway At least 3 feet above any forced air intake within 10 feet No closer than 12 inches below or horizontally from any door or window or any other gravity air inlet Air inlet must ter...

Страница 65: ...3 The vent and air piping must be securely supported and must not rest its weight on the boiler fittings Failure to properly support the vent and air piping could result in vent piping damage resultin...

Страница 66: ...es and lengths must be maintained Space braces no further than 24 inches apart See WARNING below for extremely cold climates External venting greater than 4 feet requires an insulated enclo d sure aro...

Страница 67: ...ge to exterior g finishes Maintain clearances as shown in the illustrations in this manual 5 section Also maintain the following Vent must terminate a At least 6 feet from adjacent walls No closer tha...

Страница 68: ...4 through floors or walls Seal exterior openings thoroughly with exterior caulk 5 Termination and fittings Prepare the vent termination elbow and the air termination el 1 bow Figure 80 by inserting bi...

Страница 69: ...where the plume could obstruct window views Prevailing winds could cause freezing of condensate and water c ice buildup where flue products impinge on building surfaces or plants Avoid possibility of...

Страница 70: ...2 Installation Code The air inlet of an Ultra boiler is part of a direct vent connection 4 It is not classified as a forced air intake with regard to spacing from adjacent boiler vents Prepare roof p...

Страница 71: ...tical vent air termination 3 PVC concentric continued Weil McLain 3 PVC concentric termination assembly Figure 85 Weil McLain 3 PVC concentric termination Figure 84 assembly DO NOT attach the rain cap...

Страница 72: ...personal injury death or substantial property damage When inserting the partially assembled termination kit through the roof penetration wrap plastic or other protection over the end of the exposed as...

Страница 73: ...er the surroundings when terminating the vent 4 and air Position the vent termination where vapors will not damage a nearby shrubs plants or air conditioning equipment or be objectionable The flue pro...

Страница 74: ...nt termination elbow and the air termination elbow 1 Figure 89 page 73 by inserting bird screens Bird screens must be purchased separately See the parts list at the end of this manual for part numbers...

Страница 75: ...ing turn e Make sure pipe is fully inserted Wipe excess cement from joint Check joint to be sure a smooth f bead of cement shows around the entire joint Install pipe supports as shown in 10 Figure 92...

Страница 76: ...runs Install a hanger support within 6 inches of any upturn in the piping Support vertical runs on the outside of the building with brackets as shown in the termination instructions Slope horizontal...

Страница 77: ...supplier to size pipes tanks and 100 lockup gas pressure 1 regulator Propane supply pressure Adjust propane supply regulator provided by gas supplier for 13 w c 1 maximum pressure Pressure required a...

Страница 78: ...ect piping to the boiler with Circulator 1 being the only circulator being activated Wiring general The U Control provides plug in color coded non interchangeable 1 terminal strips for all field wirin...

Страница 79: ...If connected directly to the boiler set anticipator for 0 1 amps If connected to relays or other devices set to match total elec trical power requirements of connected devices See device manufacturers...

Страница 80: ...Part number 550 100 090 0809 gas fired water boiler Boiler Manual 80 Field wiring advanced see Figure 98 Figure 99 continued Figure 98 Schematic wiring diagram Ultra 80 through Ultra 299...

Страница 81: ...t number 550 100 090 0809 81 gas fired water boiler Boiler Manual ADVANCED INSTALLATION Figure 99 Ladder wiring diagram Ultra 80 through Ultra 299 Field wiring advanced see Figure 98 Figure 99 continu...

Страница 82: ...7 Connect these terminals to call for heat from the other heat source 2 See the following section to program the boiler to activate the other source either as the primary or secondary heat source Alar...

Страница 83: ...outdoor sensor tem 1 perature to account for solar or other effects that would cause the sensor to read incorrectly ADDITIONAL HEAT DEMAND This setting is for multiple boilers or multiple heat 1 ing s...

Страница 84: ...d 3 usually used for space heating circuits Each of the three inputs has its own set of 3 operating parameters programmed using the menus shown in Figure 102 page 86 The inputs to the U Control are 4...

Страница 85: ...eeper system RADFLOOR RAF 140 0 90 70 Custom CUSTOM CUS 190 0 70 70 Does not pass along Add l Heat Demand DHW system DOMESTIC DHW 190 DHW heating ignores outdoor reset and warm weather shutdown U Cont...

Страница 86: ...COIL FINNED TUBE BASEBOARD CAST IRON BASEBOARD CAST IRON RADIATOR RADIANT SLAB ON GRADE RADIANT THIN SLAB RADIANT ABOVE FLOOR CUSTOM DHW DIRECT DHW SYSTEM TEMPERATURES MAX SUPPLY F MIN SUPPLY F MAX O...

Страница 87: ...ULATOR 3 BLOWER SIGNAL ADD L HEAT DEMAND ALARM ANALOG OUT ERRORS CONTROL FAULT IGNITION RETRIES MANUAL RESET CNT AUTO RESET CNT LOCKOUT HISTORY 1 LOCKOUT HISTORY HH MM AM MM DD YY STATUS MANUAL RESET...

Страница 88: ...t Modulate On Diff F 2 10 5 Boiler turns on if temperature drops below target minus differential on Modulate Off Diff F 2 10 5 Boiler shuts down if modulates past target plus differential off Max On T...

Страница 89: ...get temperature Modulate On Diff F 2 10 5 Boiler turns on if temperature drops below target minus differential on Modulate Off Diff F 2 10 5 Boiler shuts down if modulates past target plus differentia...

Страница 90: ...water cutoff device on P12 3 P12 4 Blower Tach rpm data Feedback from blower sensor Flame Signal no units data Number indicating the presence and quality of the flame used to shutdown boiler Outputs G...

Страница 91: ...ition Name of the system Type being satisfied post purge Warm Weather Shutdown Trouble Target F data Calculated target temperature based on outdoor temp or the max setpoint if no ODR Modulation F data...

Страница 92: ...me inspection stable uniform Flame signal see Figure 106 page 96 Clean heat exchanger if flue temp is more than 54 F above return water temp Inspect jacket front door gaskets replace if necessary Addi...

Страница 93: ...and ignitor gasket See listing in Re placement parts section of this manual These parts must be on hand when you perform the first year inspection in the event they must be replaced Failure to replac...

Страница 94: ...maged resulting in unreliable or unsafe operation Clean condensate trap Loosen condensate trap line hose clamps and remove trap 1 line Empty water from trap line and inspect Flush out if needed 2 with...

Страница 95: ...uently the expansion tank may 2 be waterlogged or undersized Closed type tank tank is most likely waterlogged Install a tank fitting if not already installed Then check fill level per fitting manufact...

Страница 96: ...rews bend up the retainer tabs as shown in Figure 107 to prevent screw rotation Reattach the cover plate using the method given in 5 Figure 113 page 110 or Figure 115 page 111 After servicing reinstal...

Страница 97: ...ges listed in the previous 10 steps contact the factory for technical assistance Check flue gas temperature Set the boiler to high fire Then adjust the U Control mod 1 ule display to view flue gas tem...

Страница 98: ...al property damage Following installation the valve lever must be operated AT LEAST ONCE A YEAR to ensure that waterways are clear Certain naturally occurring mineral deposits may adhere to the valve...

Страница 99: ...ontrols Wiring errors can cause improper and dan gerous operation Always disconnect power to boiler before servicing Failure to comply could result in severe personal injury death or substantial prope...

Страница 100: ...not jumper fuse or replace with any fuse except as specified Failure to comply could result in severe personal injury death or substantial property damage Reinstall jacket top panel and boiler jacket...

Страница 101: ...information available on the U Control display 2 Figure 111 shows the screen behavior during an automatic or manual reset condition The table below the display illustration lists manual reset conditio...

Страница 102: ...t this count Ignition Retries Displays the number of ignition attempts in the current ignition sequence Manual Reset Count Records number of lockouts that required a manual reset since this count was...

Страница 103: ...supply water temperature in heat exchanger rises faster than 2 F per second during the first two minutes the burner is on Automatically resets after 1 minute delay or using manual reset on display Man...

Страница 104: ...rature and system water temperature sensors If these are not being used they will always be shown as OPEN This is normal unless the sensors were installed Check wire harness for loose connections and...

Страница 105: ...operly Each Priority input can be configured to turn on any combination of three circulator outputs Refer to the U Control Setup section to configure these properly for the system Verify water pipe is...

Страница 106: ...condensate trap for blockage allowing condensate to accumulate inside heat exchanger Fouled worn bent or faulty igniter Fouled igniters can be cleaned for additional use with fine grit sand paper or s...

Страница 107: ...use gas pressure switches Requires manual reset Check boiler size selected in U Control against boiler rating label Correct if necessary to select the proper boiler size HW FAULT EXPANSION BRD Expans...

Страница 108: ...f yes description Auto reset Auto reset Auto reset If yes description If yes description If yes description Priority 1 Priority 1 Priority 1 Priority 2 Priority 2 Priority 2 Priority 3 Priority 3 Prio...

Страница 109: ...om the aluminum The oxide layer will reform but if small amounts of the trisodium phosphate remain in the system the chemical will continue to remove the protective oxide layer leading to reduced heat...

Страница 110: ...long to loosen deposits See Figure 114 See water spraying notice on next page Inspect the heat exchanger cover plate insulation Replace if insu 9 lation is damaged Read the ceramic fiber WARNING on pa...

Страница 111: ...ce cover plate Reinstall hex head nuts on the cover plate mounting studs and 13 tighten in a staggering pattern until cover plate is uniformly tightened You must gradually tighten the cover plate nuts...

Страница 112: ...ry or death Propane conversion kits and instructions Figure 116 The conversion kits listed below are only for use with Ultra Series 3 boilers For series 1 or series 2 boilers refer to the boiler manua...

Страница 113: ...5 plate gasket cover plate insulation burner gasket Ultra 155 399 flue sensor gasket and venturi gasket 383 500 605 383 500 620 7 Pressure relief valve ASME 30 PSI 3 4 NPT male Ultra 80 299 Ultra 80 3...

Страница 114: ...oor 2 required All 383 500 320 4 Knurled head screw clip on receptacle not shown 2 required All 383 500 180 5 Air adapter kit Includes adapter 3 gasket and mounting bracket 3 4 80 105 155 230 399 383...

Страница 115: ...oor temperature sensor 510 312 218 9 Display to U Control wire harness not shown 383 500 633 10 Upper line voltage wire harness male not shown 383 500 634 11 Lower line voltage wire harness female not...

Страница 116: ...drain valve 3 4 NPT All 511 246 392 15 Blower assembly kit Blower gasket and hardware 80 105 383 501 027 16 Gas pipe 80 105 560 907 682 17 Flexible gas line section and shut off valve 80 105 383 500 6...

Страница 117: ...090 0809 117 gas fired water boiler Boiler Manual MAINTENANCE SPECIFICATIONS Heat exchanger and piping Ultra 80 and 105 Figure 121 Replacement parts continued Go to www weil mclain com to locate Weil...

Страница 118: ...230 383 500 280 13 Return water pipe assembly Pipe drain valve cap assembled compression fitting 155 230 383 500 285 16 Boiler drain valve 3 4 NPT All 511 246 392 17 Blower assembly kit Blower gasket...

Страница 119: ...6 Boiler drain valve 3 4 NPT All 511 246 392 17 Blower assembly kit Blower gasket and hardware 299 399 383 500 360 383 500 650 18 Gas pipe 299 399 560 907 679 19 Flexible gas line section and shut off...

Страница 120: ...uted through bottom of enclosure using wall mounting kit See page 5 for mounting instructions 2 Boiler circulator is shipped loose Circulator must be mounted in the return piping Both 1 and 1 circulat...

Страница 121: ...iler firing rate will affect AFUE rating 2 Based on standard test procedures prescribed by the United States Department of Energy 3 Net I B R ratings are based on net installed radiation of sufficient...

Страница 122: ...23 56 48 3 315 282 8 4 245 157 3 465 417 12 5 363 232 3 690 621 18 6 540 345 3 897 810 24 2 702 449 3 1197 1095 32 7 951 578 4 320 284 8 5 247 160 114 24 56 49 4 420 376 11 2 327 210 4 620 556 16 6 48...

Страница 123: ...l McLain Technical Services for other allowances 3 Foundation sizes in Figure 126 provide 6 inches between boilers and 2 inches from boiler to edge of foundation Smaller foundations are possible with...

Страница 124: ...Type System Type System Type Max Supply F Max Supply F Max Supply F Min Supply F Min Supply F Min Supply F Max OD Reset F Max OD Reset F Max OD Reset F Min OD Reset F Min OD Reset F Min OD Reset F Mod...

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