Weil-McLain Aqua Plus 105 Product Manual Download

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Part number GL-E223-ADOC 0615

s)NSTALLATION

s3TARTUP

s-AINTENANCE

s0ARTS

0RODUCT-ANUAL

Indirect-Fired Water Heaters

This manual must only be used by a qualiﬁed heating installer/service technician. BEFORE installing,

read all instructions in this manual and all other information shipped with the water heater. Perform

steps in the order given. Failure to comply could result in severe personal injury, death or substantial
property damage.

5SER

Read important user safety information found on page 3, page 24 and page 25. Installation and

service should only be performed by a qualiﬁed service technician. Retain this manual for future reference.

Summary of Contents for Aqua Plus 105

Page 1: ...all instructions in this manual and all other information shipped with the water heater Perform steps in the order given Failure to comply could result in severe personal injury death or substantial...

Page 2: ...g the piping 19 OILER SIDE WIRING AND CONTROLS Wiring requirements 20 Circulators 20 Zone Valves 20 Wiring to the water heater 20 Wiring options 20 Use domestic priority 20 7IRING ZONING WITH CIRCULAT...

Page 3: ...for outdoor installation s Install the water heater so if the tank or any connections should leak the water ow will not cause damage to area near water heater or to lower oors of structure When such l...

Page 4: ...ssure of the heat transfer medium is maintained less than the normal minimum op erating pressure of the potable water system c Exception Steam complying with a above d The equipment is permanently lab...

Page 5: ...en connecting dissimilar materials such as copper and galvanized iron pipe 3 7HEN THE SUPPLY PRESSURE IS HIGHER THAN 03 install a pressure reducing valve on cold water supply line to prevent water los...

Page 6: ...RAL APPLICATIONS 1 Figure 2 This piping con guration can be used in most cases except where local codes require special components or piping not illustrated 2 Some codes may require the items listed a...

Page 7: ...ust NOT be directly connected to a drain terminate discharge piping within 6 from oor refer to local codes s must NOT be plugged reduced or restricted s must NOT be subjected to freezing Do not instal...

Page 8: ...hese connections to the return piping install shutoff valves a ow metering device check valve and a strainer as shown in Figure 5 page 9 b Check local codes for specific installation require ments 2 T...

Page 9: ...4IME IN SECONDS REQUIRED TO GET HOT WATER AT lXTURE FROM 30 IXTURE mOW RATE 0 0IPING LENGTH FEET Copper pipe 25 63 8 21 5 13 3 8 48 119 16 40 10 24 6 15 Steel pipe 63 157 21 52 13 31 8 20 91 228 30 76...

Page 10: ...on Cir culator is off There is no ow through 6 there is ow through 5 equal to the ow at the xtures there is ow through 3 and or 4 equal to ow at xture 2 When all xtures are off Circulator is off Ther...

Page 11: ...ping components and layout Weil McLain doesnotrepresentthatthis drawing meets any partic ular mechanical or build ing codes The installer is responsible for inclusion of all required safety de vices o...

Page 12: ...g is conceptual only It shows representa tive piping components and layout Weil McLain doesnotrepresentthatthis drawing meets any partic ular mechanical or build ing codes The installer is responsible...

Page 13: ...g is conceptual only It shows representa tive piping components and layout Weil McLain doesnotrepresentthatthis drawing meets any partic ular mechanical or build ing codes The installer is responsible...

Page 14: ...g is conceptual only It shows representa tive piping components and layout Weil McLain doesnotrepresentthatthis drawing meets any partic ular mechanical or build ing codes The installer is responsible...

Page 15: ...rawing is conceptual only It shows representa tive piping components and layout Weil McLain doesnotrepresentthatthis drawing meets any partic ular mechanical or build ing codes The installer is respon...

Page 16: ...entthatthis drawing meets any partic ular mechanical or build ing codes The installer is responsible for inclusion of all required safety de vices or other miscella neous piping hardware not shown on...

Page 17: ...oesnotrepresentthatthis drawing meets any partic ular mechanical or build ing codes The installer is responsible for inclusion of all required safety de vices or other miscella neous piping hardware n...

Page 18: ...See Figure 16 page 19 for suggested piping schematic 2 Pipe the domestic water connections to the water heater per Do mestic water piping page 6 Boiler connections for the water heater must be below...

Page 19: ...er boiler supply connection The piping must be air tight to prevent air from pocketing at the top of the piping stopping ow 2 The boiler MUST be lled and ready to operate before proceeding Follow the...

Page 20: ...electrical contacts are shown with no power applied off the shelf condition Circulators 1 Size priority relay for total amp draw of all circulators Zone Valves 1 Size transformer for maximum load of a...

Page 21: ...or building codes The installer is respon sible for inclusion of all required safety devices or other miscellaneous pip ing hardware not shown on drawing The installer is responsible for proper sizin...

Page 22: ...meets any particular me chanical or building codes The installer is respon sible for inclusion of all required safety devices or other miscellaneous pip ing hardware not shown on drawing The installer...

Page 23: ...ng the domestic water tank 1 Fill the domestic water tank with fresh water that meets the chemistry requirements above 2 Do not exceed a ll pressure of 70 PSIG When the water supply pressure is higher...

Page 24: ...of use then adjust thermostat accordingly s Always recheck temperature after adjusting thermostat s When hot water is used in repeated small quantities a stacking effect can develop in hot water tank...

Page 25: ...outlets to ensure the water temperature is acceptable for intended use and that all temperature control devices are functioning properly Read page 3 and verify that all requirements are met by the in...

Page 26: ...off or removed with a wet dry vacuum a Partially unscrew the M8 hex nut Figure 22 page 26 item 5 while holding the bracket Figure 22 page 26 item 6 DO NOT completely remove the nut b Hold and turn the...

Page 27: ...e kit see Replacement parts for part number Information needed before the service call Know the water heater model number Know the boiler manufacturer and model number Have the boiler manual and wirin...

Page 28: ...oiler ll valve 33 Temperature pressure relief valve lifting or weeping Undersized or missing domestic water side expansion tank Faulty domestic water side expan sion tank Faulty T P relief valve High...

Page 29: ...ILER 7 CAPACITY 0 OILER OUTPUT TUH 4EMP RISE X Temp rise F Required DHW temp F Incoming temp F 8 33 Density of water lbs gal x 1 Btu lb F s Example A single family home with a 3 0 GPM shower xture and...

Page 30: ...inuity across the water heater thermostat terminals On a call for heat these contacts should closed 4 Continue checking for continuity while turning the thermostat knob to the lowest setting counter c...

Page 31: ...al siphon and draw stored heat from the domestic water s Locate ow control devices zone valve spring check valves or heat trap loops in the boiler piping close to the water heater s Insulate all boile...

Page 32: ...ve stacking can occur when frequent short to moderate draws are taken in quick succession s During this condition the temperature of the domestic water can approach the temperature of the boiler water...

Page 33: ...ged or improperly charged s Check for failed gaskets or bladders or a faulty Schraeder valve s Use a tire gauge to check the charge pressure of the tank s Turn the boiler limit up to a higher setting...

Page 34: ...properly Dirt and water deposits can accumulate under the valve seat 4 High domestic water supply pressure s Check the domestic supply pressure entering the water heater s If the pressure is over 70 p...

Page 35: ...connections domestic connections etc s Check all the boiler connections to the water heater s A build up of corrosion is a sure sign of a leak s Excessive force or water hammer can damage the welds w...

Page 36: ...node must be inspected at least annually to determine whether a new anode should be installed Severe or rapid deterioration of the anode indicates very aggressive water If this occurs have the water t...

Page 37: ...below 130 F s Other causes of smelly water s Chlorides of magnesium and calcium gives water a bitter taste s Chloride of sodium will produce a salty tasting water s Sulfates above 50 ppm in the water...

Page 38: ...uble iron exceeds 0 2 ppm s The bacteria will feed on the soluble iron in the water producing rusty color water as a by product of the feeding process s Variables in which the bacteria can thrive s El...

Page 39: ...633 500 030 85 633 500 031 105 633 500 032 5 Leveling leg replacement kit 4 All 633 500 036 6 Temperature pressure relief valve kit 35 45 55 633 500 038 85 105 633 500 039 NS Inspection and service ki...

Page 40: ...w Rating Minimum Heat Output Rate Minimum Heat Source Flow Rate Heat Source Friction Loss First Draw Rating Standby Loss Potable Volume Heat Source Volume Gal hr Gal hr MBH GPM Feet w c Gal hr Degrees...

Page 41: ...Loss AQUA PLUS 105 Boiler Water Min GPM Head Loss DHW 50 F to 140 F 93 8 GPM minimum 1 6 ft wc 103 8 GPM minimum 1 6 ft wc 124 8 GPM minimum 1 6 ft wc 138 14 GPM minimum 5 4 ft wc 148 14 GPM minimum...

Page 42: ...140 F 93 8 GPM minimum 1 6 ft wc 103 8 GPM minimum 1 6 ft wc 124 8 GPM minimum 1 6 ft wc 138 14 GPM minimum 5 4 ft wc 148 14 GPM minimum 7 1 ft wc 120 130 151 165 175 147 157 178 192 202 174 184 205...

Page 43: ...140 F 93 8 GPM minimum 1 6 ft wc 103 8 GPM minimum 1 6 ft wc 124 8 GPM minimum 1 6 ft wc 138 14 GPM minimum 5 4 ft wc 148 14 GPM minimum 7 1 ft wc 120 130 151 165 175 147 157 178 192 202 174 184 205...

Page 44: ...33 26 8 31 50 223 109 4 3 5 1 1 59 14 41 30 9 29 48 238 Boiler water inlet see table for size Boiler water outlet see table for size Cold domestic water inlet see table for size Hot domestic water ou...

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