Bimini Buddy - eComfort.com
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1. 3 3 D oO u 2 5 2 gt o gt o 3 c E 11 2 3 3 1 y 1 1 2 3 EU ou SEE a EN EN 6 e x e I e e 3 ERN UNE Em dT 230740 230764 230740 230764 230746 jo oia lt 5 5 o E o lt gt o m o c o N gt 0 Co 00 e 3E 2 mig 5 a 218 n SHE 3 lt e zx i D 2 pz gt 23 Piping Components BB100H Piping Components BB100I Piping Components BB100C 25 SAT Te R 4 Manufacturer of Hydronic Heating Products P O Box 14818 3633 I Street Philadelphia PA 19134 Tel 215 535 8900 Fax 215 535 9736 www crownboiler com PN 980033 Rev 1 11 112. CROW N DESIGNED TO LEAD Bimini Buddy NEAR BOILER PIPING MODULE INSTALLATION INSTRUCTIONS Models e BB100H e BB100I WARNING Improper installation adjustment alteration service or maintenance can cause property damage BB100C injury or loss of life For assistance or additional informa tion consult a qualified installer service agency or the gas supplier dy CROWN Manufacturer of Hydronic Heating Products P O Box 14818 3633 I Street Philadelphia PA 19134 Tel 215 535 8900 Fax 215 535 9736 www crownboiler com II VI VII VII IX Table of Contents Product Description Specifications Before Installing Location and Mounting Boiler and System Piping BB100C Domestic Water Piping Wiring Start up Parts ON ON 16 20 22 I Product Description The Bimini Buddy is a factory assembled near boiler piping module that is designed for use with Crown Bimini BWC series boilers The central component in this product is a hydraulic separator that is designed to assure that the minimum required flow through the boiler is always maintained regardless of the flow through the heating system This separator is also used for air removal as well as the connection point for the expansion tank There are four versions of the Bimini Buddy e BBI00H Provides hydraulic separation air elimination and expansion tank location for heat only systems e BBIOOI
3. LEFT BLANK V Boiler and System Piping CAUTION Install Bimini buddy and boiler so that the gas ignition system components are protected from water dripping spraying rain etc during appliance operation and service circulator replacement etc Install the boiler relief valve and other boiler trim as described in the boiler s installation manual Operation of a boiler in a system having frequent additions of make up water can cause severe heat exchanger damage Do not use toxic additives such as automotive antifreeze in a hydronic system Before connecting boiler make sure that the system is free of sediment flux and any residual boiler water additives Flush the system if necessary to ensure that these contaminates are removed Do not use antifreeze or other chemicals that are not explicitly permitted by the boiler installation manual See the boiler installation manual for for additonal important information on water chemistry requirements Figures 5 0 5 8 show basic Bimini Buddy Piping piping for all types of Bimini Buddies Please note the following 1 Ifthe Bimini Buddy cannot be installed above the boiler as shown in Figure 5 0 so that there are no down turns in the supply piping install a screw driver vent in the supply piping for initial purging as shown in Figure 5 1 2 Minimize the amount of pipe and fittings between the boiler and Bimini Buddy and between the BB1001 and the indirect water heater e Flow che
4. MCBA per part G of this manual the zone valve will be powered during a call for heat Otherwise a relay or zoning panel must be used to operate the system pump The heating thermostat zoning panel boiler contacts are connected to terminals 1 amp 2 on the boiler d The indirect water heater s thermostat is connected to terminals 7 amp 8 on the boiler IWH thermostat contacts must be dry 4 Connecting BB100I to Sola Equipped boilers Figure 7 3 Connect the boiler circulator to the terminals marked BLR Pump in the boiler s J Box Connect the three way zone valve in the BB100I to the terminals marked DHW Pump in the boiler s J Box Connect the system circulator to the terminals marked Sys Pump in the boiler s J Box Connect the indirect water system circulator to the terminals marked Sys Pump in the boiler s J Box Connect the heating thermostat or zoning panel boiler contacts to the CH Stat terminals on the left side of the boiler s control compartment Connect the indirect water heater s thermostat to DHW Stat terminals on the left side of the boiler s control compartment ei Low Voltage Heating T Stat Low Voltage Terminal Strip Line Voltage WT White Wiring Red BL Blue Line Voltage Factory Wiring Line Voltage Field Wiring L1 Relay 120 AC System Circulator Circulator Field Supplied FIGURE 7 0 Wiring BB100H to Boiler
5. Voltage Factory Wiring Line Voltage Field Wiring Boiler BB100C M 3 Way System Circulator BWC J Box Circulator Zone Valve Less Than 1 5 A FIGURE 7 4 Wiring BB100C to Boiler equipped with Type III MCBA 19 VIII Start up The following steps must be taken in addition to those shown in the boiler instruction manual in order to commission the Bimini Buddy 1 Ifnotalready done flush the system so that it is free of sediment flux and any residual boiler water 2 The Bimini Buddy must be purged of air If it 15 piped in accordance with Figure 5 0 this can be done simply by opening the fill valve and making sure that the automatic air vent is open Otherwise the screw driver vent shown in Figure 5 1 must be also be opened until a steady stream of water comes from this vent After this is done any residual air should remove itself through the automatic air vent over the first few days of operation 3 The boiler s control system must be programmed to operate the 3 way valve used on the BB100I BB100C the boiler control system will operate the BB100H as 15 The exact method for doing this depends on the type of control system supplied with the boiler Two control systems are used on BWC Series boilers one employing the Honeywell Type III MCBA and one Employing the Honeywell Sola See Part VII of this manual for a description of this two systems In the case of the BB100C it is important to under
6. In addition to BB100H features the BB100I is also equipped with 120VAC three way diverting valve that allows the boiler output to be directed to either the heating system or an indirect water heater e BBI100C In addition to BB100H features the BB100C also includes 120VAC three way diverting valve that allows the boiler output to be directed to either the heating system or an integral plate heat exchanger for domestic hot water DHW production The BB100C is also equipped with a flow switch to initiate a call for DHW production DHW temperature is controlled by modulating the boiler supply temperature The Bimini Buddy has not been evaluated for use with any boilers not explicitly listed in Table 2 0 II Specifications Table 2 0 Basic Specifications Model BB100H BB100I BB100C Compatible Boilers BWC070 BWC090 BWC120 BWC151 12 Width W in Height H in Depth D in Weight Ibs Max Expansion Tank Dia DM in Maximum Operating Pressure Maximum Operating Temperature 3 Way Valve Motor Rating 120VAC 50 60Hz 6 5W Energized for CH Demand Flow Switch Set point 0 50 GPM Flow Switch contact Ratings 20VA Pilot Duty at 120VAC Table 2 3 Connections Automatic Air Vent Not Supplied Expansion Tank Not Supplied AV FIGURE 2 1 Bimini Buddy With Cover Installed Hydraulic Separator FIGURE 2 2 BB100H Heat On
7. See the Service Supplement for BWC Series Boilers Equipped with Type III MCBA for instructions on how to do this B BWC Boilers Equipped with Sola Follow the instructions provided with the boiler and or the boiler s Configuration menu to select the type of Bimini Buddy being used Use the boiler s setting menu to set the DHW target temperature IX Parts The replacement parts shown on the following pages can be obtained from any Crown distributor To find the closest Crown distributor consult the area Crown representative or the factory at Crown Boiler Company Customer Service PO Box 14818 Philadelphia PA 19134 www crownboiler com 22 Cover and Mounting Components All Models DESCRIPTION BB100C 88100 BB100H PARTE PARTE ounting Plate 230751 230751 230751 1 1 230752 230752 230752 230750 230750 98 044 98 044 8 16 Thread 5 8 Height 230798 230798 900120 900120 1 Clamping U Bolt Steel 3 8 16 FOR 2 1 2 230794 230794 230794 1 Copper Split Ring Hanger 230790 230790 230790 inc Plated Hex Nut 3 8 16 Thread 90 221 90 221 3 90 221 10 900102 900102 11 Cap Screw 3 8 16 Thread 1 1 4 Length Fully Threaded 900452 900452 3 12 Extra Thick Flat Washer 3 8 Screw 0 11 0 13 Thick 230796 230796 14 15 16 Female Nut Half 1 Swt Union Elkahart 33584 17 230742 18 230770 19 F3 4 x F1 2 Brass Reducing Elbow NPT 230792 lowswitch 230762 Cover o oz o JE 5 gt 2 S 5
8. at the indirect water heater has a pressure drop less than that shown in Table 5 4 at the flow rate shown IV Location and Mounting Select a location for the Bimini Buddy that is as close as possible to the boiler The Bimini Buddy can be located further away from the boiler as long as the maximum piping lengths shown in Tables 5 2 5 3 or 5 5 are not exceeded Keep in mind however that the response time of the BWC100C to a call for DAW will increase as the length of piping between the boiler and Bimini Buddy is increased If possible install the Bimini Buddy slightly above the boiler so that there are no down turns in the supply piping between the boiler and the Bimini Buddy Figure 5 0 so as to facilitate air removal If this 1s not possible install a screw driver vent in the supply piping Figure 5 1 Provide the following clearances for servicing the Bimini Buddy Front 24 LH Side 6 Side 1 Top Bottom As needed in order to replace the field supplied air vent and expansion tank These clearances can be reduced however servicing the Bimini Buddy will become increasingly difficult as they are Attach the Bimini Buddy to the wall using at last two suitable fasteners capable of supporting both it and the connected piping using the obround slots in the top and bottom flanges CAUTION Drywall alone will not adequetly support the Bimini Buddy Attach to studs or other framing THIS PAGE INTENTIONALLY
9. cks are not required in this piping and will only add unnecessary pressure drop e If isolation valves are installed on the system side of the hydraulic separator there is little reason to also include them in the boiler piping If isolation valves are installed in the boiler piping use only full port ball or gate valves 3 Ifatall possible avoid cutting the factory supplied system stubs connections on the hydraulic separator 4 Recommended fill valve connection is between the hydraulic separator and expansion tank as shown in Figure 5 0 5 Flush the Bimini Buddy and system before connecting the boiler The hydraulic separator in the Bimini Buddy is designed to assure that the proper flow rate is maintained through the boiler regardless of the flow rate present in the heating system Even so the piping between the boiler and Bimini Buddy and between the BB100I and the indirect water heater must be properly sized for the boiler and Bimini Buddy to work properly Size this piping as follows 1 piping between the boiler and the Bimini Buddy and between the Bimini Buddy and the indirect water heater on the BB100I is 1 nominal pipe size For BB100I installations this is true even when the indirect water heater itself has different connection sizes 2 Referto the appropriate Figure 5 6 5 7 or 5 8 for the type of Bimini Buddy being installed Determine the length of all straight pipe on the planned installation that is shaded in
10. d is distinguished by a Panasonic touch screen display 1 Connecting BB100H to Type III MCBA Equipped boilers Figure 7 0 a Connect the boiler circulator to the red lead and neutral white in the Boiler s J Box If the system has a single system circulator and the total combined current draw of the boiler and system circulators is less than 2 0A the system circulator can be wired in parallel to the boiler circulator Otherwise a relay shown or zoning panel must be used to operate the system pump b Connect the heating thermostat zoning panel boiler contacts to terminals 1 amp 2 on the boiler 2 Connecting BB100H to Sola Equipped boilers Figure 7 1 a Connect the boiler circulator to the terminals marked BLR Pump in the boiler s J Box Connect the system circulator to the terminals marked Sys Pump in the boiler s J Box c Connect the heating thermostat or zoning panel boiler contacts to the CH Stat terminals on the left side of the boiler s control compartment 3 Connecting BB100I to Type III MCBA Equipped boilers Figure 7 2 a Connect the boiler circulator hot to the red lead and neutral white in the Boiler s J Box b Connect the three way zone valve in the BB100I to the blue lead and neutral white in the boiler s J box If the system has a single system circulator having a draw of less than 1 5A the system circulator can be wired in parallel with the zone valve after reprogramming the
11. equipped with Type III MCBA Low Voltage Terminal Strip CH STAT DHW STAT AUX LIMIT Heating T Stat Low Voltage Wiring Line Voltage Terminal Strip H BLR DHW PUMP PUMP Line Voltage Boiler System Wiring Circulator Circulator FIGURE 7 1 Wiring BB100H to Boiler equipped with Sola 5 Connecting BB100C to Type III MCBA Equipped boilers Figure 7 4 a Connect the boiler circulator hot to the red lead and neutral white in the Boiler s J Box b Connect the three way zone valve in the BB100I to the blue lead and neutral white in the boiler s J box If the system has a single system circulator having a draw of less than 1 5A the system circulator can be wired in parallel with the zone valve after reprogramming the MCBA per part G of this manual the zone valve will be powered during a call for heat Otherwise a relay or zoning panel must be used to operate the system pump The heating thermostat or zoning panel boiler contacts are connected to terminals 1 amp 2 on the boiler d The BB100M BB100C flow switch is connected to terminals 7 amp 8 on the boiler IWH thermostat contacts must be dry e 6 Connecting BB100C to Sola Equipped boilers Figure 7 5 Connect the boiler circulator to the terminals marked BLR Pump in the boiler s J Box Connect the three way zone valve in the BB100I
12. han or equal to 150 psi Pipe the discharge to a safe location using piping the same size as the discharge connection on the valve 4 Hose Bib Valves Recommended These valves permit the plate heat exchanger be periodically back flushed to remove sediment The BB100M is equipped with plugs which can be removed and replaced with hose bib valves when the heat exchanger is cleaned 5 Globe or Ball Valve Recommended Used to aid in back flushing the heat exchanger and to isolate the DHW piping if it must be serviced In addition the upstream valve may be used to limit the DHW flow if necessary To Fixtures Hose Bib 7 or Globe Valve Flow Restrictor Thermostatic Mixing Valve Not Supplied DHW Relief Valve Max Setting 150 psi Hose Bib Valve Cold Water In FIGURE 6 0 BB100C Domestic Water Piping VII Wiring WARNING wiring and grounding must be done in accordance with the authority having jurisdiction or in the absence of such requirements with the National Electrical Code ANSI NFPA 70 This manual covers wiring the Bimini Buddy into BWC series boilers using having two different control systems Control Systems using Honeywell Type III MCBA This control system has been used on all BWC series boilers manufactured between 2005 and late 2010 It uses an LED display Control Systems using Honeywell Sola This control system is being phased in during 2010 an
13. ly Shown with Cover Removed To BoilerRewm Table 2 4 BB100C M DHW Performance DHW Production GPM Approximate Approx DHW Set Response Time s point Range Boiler Model 90 Rise to 100F to 120F Bwcon 104 140 2 1 100 BWC090 104 140 Table 2 4 Notes 1 At 90 degree rise boiler input and therefore DHW production is reduced due to proximity of DHW outlet temperature to maximum permitted target supply temperature 2 Response time is time required to reach specified temperature from a cold start with DHW inlet temperature of 58F and a 1 0 GPM draw rate Additonal time may be required to purge the piping between the Bimini Buddy and the fixture 104 140 Hydraulic Separator 3 Way Diverting Hydraulic Separator 3 Way Diverting Valve Plate Heat Exchanger FIGURE 2 6 BB100C Combi Shown with Cover Removed III Before Installing Before installing this product 1 Verify that the planned installation will be in accordance with all local codes In Massachusetts the BB100C must be installed by a licensed Plumber 2 When using the BB100C also verify that domestic water output temperature and response times shown in Table 2 4 will be acceptable domestic water hardness is less than 200ppm If it is greater than 200PPM do not use BB100C without a water softener 3 When installing a BB100I make sure th
14. ner shuts off Parameter 24 defines how far below the target temperature the supply temperature must fall before the burner turns back on Since Table 8 0 defines parameter 24 as negative for the BB100C the burner will actually restart when the supply temperature 15 still above the target boiler supply temperature For example if the parameters are set as shown in Table 8 0 for the BB100C the burner will shut off when the supply temperature reaches 116F and restart when the supply falls to 114F 20 Low Voltage Terminal Strip Terminal Strip CH Heating T Stat STAT BLR DHW DHW PUMP PUMP BB100C M STAT AUX LIMIT Boiler BB100C M 3 Way System Circulator Circulator FIGURE 7 5 Wiring BB100C to Boiler equipped with Sola WARNING Improper setting of parameters can cause unreliable or unsafe operation resulting in property damage personal injury or loss of life Changing parameters should only be attempted by a professional heating service technician Do not change any parameters not described in this manual without first consulting the factory Before making changes it is recommended that initial values of parameters be recorded so that they can be restored if operation of the boiler is not as anticipated After changing any parameters carefully confirm proper boiler operation before leaving the installa
15. rect water heater BB100I only being installed In the case of the BB100I the pressure drop through the indirect water heater must be considered The indirect water heater being used must have a pressure drop less than that shown in Table 5 3 at the DHW flow rate shown to work reliably with the BB100I Table 5 4 shows the pressure drop and flow information for Crown indirect water heaters These are grouped by class and that class 1s shown in Table 5 4 Table 5 2 BB100H Heat Only Maximum Boiler Loop Rise mE um Size Shaded Piping in Figure 5 6 meon so new o0 a o neon so a r Table 5 3 BB100I Maximum Equivalent Boiler IWH Loop Length CH Mode DHW Mode IWH Indirect Note Equivalent i Pressure Water Heater Length of Boiler Drop ft Class in Pipe Shaded Piping Model Circulator i wc Table 5 4 Size in Figure 5 7 Imwcw meos 625 20 so a lr I m Eowco rooma 80 20 75 26 a pr rp 5 taco 0014 875 26 a r 3 faweisi mxo 925 29 so v Notes 1 Class A models shown in Table 5 4 may not achieve claimed first hour rating due to inadequate boiler water flow 2 MS 79 will not achieve claimed first hour rating due to inadequate boiler output 3 Some models shown in Table 5 4 have 3 4 boiler connections These mu
16. st be increased to 1 directly at the indirect water heater connection Table 5 4 Crown Indirect Water Heaters Indirect Water Max IWH Heater Flow Rate Pressure Class Drop ft wc Crown Indirect Water Heater Models MS 26 MS 40 MSH 40 MTO40GBR MT050GBR MTOSOGBR 0 MTO065GBR 80 0 B so 50 MS 40 MS 53 MS 79 MSH 53 Table 5 5 BB100C Combi Maximum Equivalent Boiler Loop Length M ax Flow Rate Max Equivalent GPM Boiler Length of Boiler Temp Shaded Piping Model Circulator Rise F in Figure 5 8 FIGURE 5 7 Boiler and IWH Loop Equivalent Length Shaded BB100I 12 Brown FIGURE 5 8 Boiler Loop Equivalent Length Shaded BB100C BB100M VI Domestic Water Piping BB100C WARNING Like all domestic water heaters the BB100C is capable of generating water that is hot enough to cause injury or death due to scalding To minimize the risk of scalding Set domestic hot water DHW temperature as low as possible see the Start up Section of this manual for information on setting domestic water temperature Feel water before showering or bathing If anti scald or anti chill protection is required use devices specifically designed for such service Install and maintain these devices in accordance with the manufacturer s instructions CAUTION If the BB100C is connected to a water supply having a hardness in excess of 200PPM scale may prematurely form in the pla
17. stand that the boiler does not monitor the DHW temperature directly instead it monitors and regulates the boiler supply temperature The boiler supply temperature tracks the DHW outlet temperature very closely A BWC Boilers Equipped with Type III MCBA Table 8 0 Type III MCBA Parameters for 1001 BB100C Parameter Description Factory BB100I BB100C Setting Setting Setting Parameter 35 13 Factory Setting Red circulator lead is only powered on a call for heat Blue circulator lead is powered only upon a call for DHW Call for DHW is initiated by a set of DHW thermostat contacts When parameter 35 13 parameter plus 46F target supply temperature during a DHW call Parameter 35 03 BB100I Red circulator lead is powered upon either a heating or DHW demand Blue lead is powered only upon a heating demand Call for DHW is initiated by a set of DHW thermostat contacts When parameter 35 03 parameter plus 46F target supply temperature during a DHW call Parameter 35 01 BB100C Red circulator lead 15 powered upon either a heating or DHW demand Blue lead is powered only upon a heating demand Call for is initiated by the DHW flow switch When parameter 35 01 parameter 1 target supply temperature during a DHW call Parameters 24 and 25 collectively work as a differential for the boiler supply temperature set point Parameter 25 determines the difference above the supply temperature at which the bur
18. te heat exchanger significantly shortening its life If necessary soften the water upstream of the cold water connection to the Bimini Buddy Connect the domestic hot water piping as shown in Figure 6 0 for the BB100C The components in this system and their functions are as follows 1 Mixing Valve Anti scald Devices Required A thermostatic mixing valve must be field supplied for the BB100C Where this mixing valve is field supplied select a model that has an adjustment range which allows it to be set below 120F Honeywell AM 1 or equivalent If required install additional anti scald protection devices in accordance with local codes In the absence of any local Codes install such devices as required by the Uniform Plumbing Code IAPMO UPC 2 Flow Restrictor Recommended If domestic hot water is drawn from the Bimini Buddy at a rate in excess of the rating in Table 2 4 the temperature of the hot water may be too low to be of use The use of a flow restrictor will prevent this problem by limiting the rate at which water can pass through the heat exchanger If a restrictor is used select one having a rating in GPM approximately equal to that shown in Table 2 4 3 Pressure Relief Valve Required Limits the pressure in the domestic hot water piping Use a valve designed for DHW service such as the Watts 3L or 53L Note that this is a pressure relief valve not a T amp P valve Select a valve with a pressure setting less t
19. the drawing 3 Count the number of elbows that will be used in the planned installation in the piping that is shaded in the illustration Multiply the number of 1 elbows that will be used by 2 75ft per elbow The result is the total equivalent length of all elbows that will be used Note the equivalent length of the Tee Cross and Reducers provided with the boiler do not need to be considered Likewise Unions runs of Tees and Full Port Ball or Gate Valves can be treated as straight pipe Automatic Air Vent a System Circulator To Htg System Boiler Relief Valve EN Expansion Tank Boiler Circulator Drain Valve FIGURE 5 0 Basic Bimini Buddy Field Piping Bimini Buddy Shown Above Boiler to Faciliate Air Removal Automatic Air Vent System Circulator To Htg System From Htg System Fill Valve Expansion Tank Boiler Circulator Drain Valve FIGURE 5 1 Installation Of Bimini Buddy at Same Level as Boiler Using Screw Driver Vent 4 Add the total equivalent length of the elbows determined in step 3 to the to the total straight pipe length determined in Step 2 The result is the total equivalent length 5 Refer to Table 5 2 5 3 or 5 5 as appropriate for the type of Bimini Buddy being installed Verify that the equivalent length calculated in Step 4 is less than that shown for the combination of boiler circulator and indi
20. tion site 21 To change the parameters shown in Table 8 0 using the keypad on the boiler to do the following 1 2 3 4 5 6 7 8 9 With the boiler powered toggle the Mode key until you reach the STBY Standby mode Depress and hold the Step key and then quickly depress and hold the Mode key for 2 5 seconds until the display reads CODE Release the Mode key then the Step key The display should show a C followed by a random two digit number Use the or keys to scroll to the number 05 Press the Store key momentarily and watch for the display to blink twice If the access code has been successfully entered access to Parameters 5 42 will be possible Otherwise only Parameters 1 4 will be accessible Access to the expanded list of parameters will end and the access code will need to be reentered to regain access to parameters 5 42 Toggle the Mode key until you reach PARA Parameter mode Press the Step key to scroll through the parameters until you reach the desired parameters Use the or key to scroll to the appropriate parameter setting in Table 8 0 Press the Store key momentarily and watch for the display to blink once The parameter setting has now stored its new value Parameter 1 can be accessed without entering a password Follow steps 5 8 above to change Parameter 1 In place of the keypad the GCI PC interface can also be used to change the parameters in Table 8 0
21. to the terminals marked DHW Pump in the boiler s J Box Connect the system circulator to the terminals marked Sys Pump in the boiler s J Box Connect the indirect water system circulator to the terminals marked Sys Pump in the boiler s J Box Connect the heating thermostat or zoning panel boiler contacts to the CH Stat terminals on the left side of the boiler s control compartment Connect the BB100C flow switch to the DHW Stat terminals on the left side of the boiler s control compartment rh Low Voltage Wiring DHW T Stat Low Voltage Terminal Strip WT White R Red BL Blue Line Voltage Factory Wiring Line Voltage Field Wiring 88100 3 Way System Circulator BWC J Box Circulator Zone Valve Less Than 1 5 FIGURE 7 2 Wiring BB100I to Boiler equipped with Type III MCBA Low Voltage Terminal Strip Line Voltage Terminal Strip CH GND H STAT Heating T Stat n BLR DHW DHW PUMP PUMP DHW T Stat STAT ____ AUX LIMIT Line Voltage Line Voltage Boiler BB10013 Way System Circulator m i Circulator Zone Valve Wiring Wiring FIGURE 7 3 Wiring BB100I to Boiler equipped with Sola Low Voltage Wirin BB100C M g Heating T Stat Flow Switch Low Voltage Terminal Strip Line Voltage Wiring R Red BL Blue Line
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