Weil-McLainメーカーGL-E223-ADOC 0311の使用説明書/サービス説明書
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Part number GL-E223-ADOC 0311 This manual must only be used b y a qualified heating installer/serv ice tec hnician. BEFORE installing , read all instruc- tions in this manual and all other information shipped with the water heat er . P erform st eps in the order giv en.
AQUA PLUS indirect - fired w a ter hea ters — Pr oduct Manual Contents Please read before pr oceeding 3 W hen serv icing water heater . . . . . . . . . . . . . . . . . . . . 3 Operating restric tions . . . . . . . . . . . . . . . . . . . . . . . . 3 Boiler water r estric tions .
AQUA PLUS indirect - fired w a ter hea ters — Pr oduct Manual Please r ead befor e pr oceeding Failur e to adher e to the guidelines on this page can res ult in sever e personal injur y , death or substantia l property damage. R ead all inst ructio ns befor e insta lling.
AQUA PLUS indirect - fired w a ter hea ters — Pr oduct Manual Pr e-installation Figure 1 Clearance recommendations Codes 1. Installation must co nform w ith instructions in this manual and, where applicable: • local, stat e, pro vincial, and national codes, la ws, regulations and ordinanc es.
AQUA PLUS indirect - fired w a ter hea ters — Pr oduct Manual Pr e-installation (conti nued ) Hot W ater Can Scald! • W ater heated to te mperature for clothes washing, dish washing and other sanitizing needs can scald and cause permanent injur y .
AQUA PLUS indirect - fired w a ter hea ters — Pr oduct Manual Domestic water piping Figure 2 DHW piping Piping overview THERMAL EXP ANSION T ANK — If a backflow prev enter , check valv e, or pres.
AQUA PLUS indirect - fired w a ter hea ters — Pr oduct Manual Domestic water piping (conti nued ) LEGEND for Figure 2, page 6 Domestic water supplied to fixtures that could pose an injur y hazard d.
AQUA PLUS indirect - fired w a ter hea ters — Pr oduct Manual Recir culation Mas sac hus ett s cod e app lica tio ns re qui re reci rc u- lation piping or heat-traced piping if the distance fr om the wat er heat er to the furth est fixtur e ex cee ds 100 feet.
AQUA PLUS indirect - fired w a ter hea ters — Pr oduct Manual Recir culation (conti nued ) Figure 4 Time lag to obtain hot water at fixture for branch lengths of 10 and 25 feet (ASPE Domestic W ater Heating Design Manual) Time in seconds required to get hot water at fixture (from ASPE) Fixture flow rate (GPM) - 0.
AQUA PLUS indirect - fired w a ter hea ters — Pr oduct Manual Recir culation (conti nued ) Components Circulator (Figure 6, item 1) 1. Little flow is required to maintain a temperature in the piping. 2. Size of circulator depends on minimum flow re- quirements of the tempering valve.
AQUA PLUS indirect - fired w a ter hea ters — Pr oduct Manual Figure 7 Zoning with circulators — dir ect-connected system piping Notes • Place circulat ors at beg in- n i ng s o f z o n es . P l a c i n g them at the ends of zones coul d result in heating idle zones.
AQUA PLUS indirect - fired w a ter hea ters — Pr oduct Manual Boiler-side piping (conti nued ) Figure 8 Zoning with circulators — primary/secondary system piping Notes • Place circulato rs at beg in- n i ng s o f z o n es . P l a c i n g them at the ends of zones coul d result in heating idle zones.
AQUA PLUS indirect - fired w a ter hea ters — Pr oduct Manual Boiler-side piping (conti nued ) Figure 9 Zoning with zone valves — direct-connected system piping Notes • Place circulat ors at beg in- n i ng s o f z o n es . P l a c i n g them at the ends of zones coul d result in heating idle zones.
AQUA PLUS indirect - fired w a ter hea ters — Pr oduct Manual Boiler-side piping (conti nued ) Figure 10 Zoning with zone valves — primary/secondar y system piping Notes • Place circulato rs at beg in- n i ng s o f z o n es . P l a c i n g them at the ends of zones coul d result in heating idle zones.
AQUA PLUS indirect - fired w a ter hea ters — Pr oduct Manual Boiler-side piping (conti nued ) Figure 11 Dedicated single-boiler piping Notes • Place circulat ors at beg in- n i ng s o f z o n es . P l a c i n g them at the ends of zones coul d result in heating idle zones.
AQUA PLUS indirect - fired w a ter hea ters — Pr oduct Manual Boiler-side piping (conti nued ) Figure 12 Multiple water heaters — domestic water piping Figure 13 Alternate methods of revers-return.
AQUA PLUS indirect - fired w a ter hea ters — Pr oduct Manual Boiler-side piping (conti nued ) Figure 14 Multiple water heaters and dedicated multiple boilers — boiler water piping Notes • See lege nd a nd detail s i n Figure 12, page 16. 1. This drawin g is co nce ptua l only .
AQUA PLUS indirect - fired w a ter hea ters — Pr oduct Manual Connecting to a low-pr essur e steam boiler Special considerations W hen designi ng steam and dome stic hot wate r systems , there are some key issues that m ust be take n int o c onsideration d uring the initial de- sign phase.
AQUA PLUS indirect - fired w a ter hea ters — Pr oduct Manual Connecting to a low-pr essur e steam boiler (cont inued ) Figure 16 Low pressur e steam boiler application — Domestic water heating us.
AQUA PLUS indirect - fired w a ter hea ters — Pr oduct Manual Boiler-side wiring and contr ols Electrical shock hazard — Can cause severe personal inj ury , death or sub sta ntia l pr ope rty damag e. Dis co nnec t power befo re installing and / or serv icing.
AQUA PLUS indirect - fired w a ter hea ters — Pr oduct Manual Wiring — zoning with cir culators Notes • Also refer to th e WMC R manual and W e il-McLain Boiler Zone W iring Guide for further details. • Refe r to Wir in g re qu ir e- ments on page 20.
AQUA PLUS indirect - fired w a ter hea ters — Pr oduct Manual Wiring — zoning with zone valves Notes • Also ref er to the W MZV manual and W e il-McLain Boiler Zone W iring Guide for further details. • Refe r to Wir in g re qu ir e- ments on page 20.
AQUA PLUS indirect - fired w a ter hea ters — Pr oduct Manual W ater heater filling and star t-up The i nst al lat ion a nd wa ter che mist r y m ust m eet the requir ements below . Failure t o comply could result in damage to the water heater , causing possible severe personal injury , death or substantial pr opert y damage.
AQUA PLUS indirect - fired w a ter hea ters — Pr oduct Manual Hot W ater Can Scald! • W ater heated to te mperature for clothes washing, dish washing and other sanitizing needs can scald and cause permanent injur y .
AQUA PLUS indirect - fired w a ter hea ters — Pr oduct Manual W ater heater maintenance Boiler water — r ead and comply with all r equire ments under “Boiler water r estric tions, ” page 3. W ater from opened drain valves, unions and other connec- tions ma y be extr emely hot.
AQUA PLUS indirect - fired w a ter hea ters — Pr oduct Manual W ater heater maintenance (conti nued ) and their frequencies, including any not listed in the following paragr aphs.
AQUA PLUS indirect - fired w a ter hea ters — Pr oduct Manual T r oubleshooting Preparation for tr oubleshooting T ools needed Electr ical meter to measur e voltage and c ontinuity . Press ure gauge (such as W atts #276H300 test gauge). T emper ature gauge.
AQUA PLUS indirect - fired w a ter hea ters — Pr oduct Manual T r oubleshooting (conti nued ) Insufficient hot water 1 Und ersized water heate r? 2 Boiler system improperly siz ed? 3 Check component parts. 4 Check boiler operating tempera- tures. 5 Check location of flow contr ol devices.
AQUA PLUS indirect - fired w a ter hea ters — Pr oduct Manual T r oubleshooting (conti nued ) 1 Undersized water heater? • There are many methods of sizing various applicatio ns, i.e. ASHRAE sizing tables or ASPE domestic water heating design manual.
AQUA PLUS indirect - fired w a ter hea ters — Pr oduct Manual T r oubleshooting (conti nued ) • Is the cir culator between the boiler and the water heater properly sized to p rovide enough flow f.
AQUA PLUS indirect - fired w a ter hea ters — Pr oduct Manual T r oubleshooting (conti nued ) 4 Check boiler operating temperatures. • If possible, increase the boiler o perating temperature to 180°F or 200°F . • Maintain a minimal t emperature in the boiler during non-heating seasons.
AQUA PLUS indirect - fired w a ter hea ters — Pr oduct Manual T r oubleshooting (conti nued ) Excessive domestic water temperatur e 1 Reduce stacking.
AQUA PLUS indirect - fired w a ter hea ters — Pr oduct Manual T r oubleshooting (conti nued ) Boiler r elief valve lifting or weeping 1 Undersized expansion tank? • Insufficient allo wance for expansion on the boiler sid e can cause the boiler pressur e relief valv e to lift.
AQUA PLUS indirect - fired w a ter hea ters — Pr oduct Manual T r oubleshooting (conti nued ) T emperature/pr essur e relief valve lifting or weeping 1 Undersized or missing domestic water side expa.
AQUA PLUS indirect - fired w a ter hea ters — Pr oduct Manual T r oubleshooting (conti nued ) W ater on the floor near the tank 1 Check for leaks from sour ces other than the water heater . • Check for possible water seepag e through foundation cracks.
AQUA PLUS indirect - fired w a ter hea ters — Pr oduct Manual T r oubleshooting (conti nued ) Rapid decay of magnesium anode 1 Anodes last less than two years The purpose of the magnesium anode is to reduc e the damaging effects of agg ressiv e water on the water heater .
AQUA PLUS indirect - fired w a ter hea ters — Pr oduct Manual W ater quality problems 1 W ater smells like “r otten eggs.” • The most common cause of water to smell like “rotten eggs ” is a non-toxic sulfat e reducing bacteria.
AQUA PLUS indirect - fired w a ter hea ters — Pr oduct Manual • This is similar to the reaction that occurs as air bubbles form on the walls of a pan shortly befor e the water begins to boil. • The release of dissolved gas can also create air pockets and air locks in the water system piping.
AQUA PLUS indirect - fired w a ter hea ters — Pr oduct Manual Item Description Size/Model A QU A PLUS W eil-McLain Part Number 1 Magnesium anode replacement kit (includes anode, o-ring, insulating w.
AQUA PLUS indirect - fired w a ter hea ters — Pr oduct Manual AHRI ratings Model A QU A PLUS AHRI certified ratings 180°F boiler water entering | 58°F to 135°F domestic water First Hour Rating C.
AQUA PLUS indirect - fired w a ter hea ters — Pr oduct Manual Ratings with 200°F boiler supply water For water heater to achieve the rated performance below : Boiler water must be supplied t o the water heater at 200°F , and the boiler water flow rate must be no less than giv en in the tables below .
AQUA PLUS indirect - fired w a ter hea ters — Pr oduct Manual Ratings with 190°F boiler supply water For water heater to achieve the rated performance below: Boiler water must be supplied to the water heater at at least 190°F , and the boile r water flow rate m ust be no less than given in the tables below .
AQUA PLUS indirect - fired w a ter hea ters — Pr oduct Manual Ratings with 180°F boiler supply water For water heater to achieve the rated performance below: Boiler water must be supplied to the water heater at at least 180°F , and the boile r water flow rate m ust be no less than given in the tables below .
AQUA PLUS indirect - fired w a ter hea ters — Pr oduct Manual Dimensions Figure 25 Dimensions and ratings — AQUA PLUS indirect-fir ed water heaters Model A QU A PLUS Storage Connections Dimensions (inches) Ship. weight (approx.) DHW side Boiler side DHW In/Out & Recirc.
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