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GF-126

Boiler Valve Controller (BVC)

OMM-0051_0D

User Manual

VD2: 01/20/13

Page 37 of 38

AERCO International, Inc.

•

100 Oritani Dr.

•

Blauvelt, New York 10913

•

Phone: 800-526-0288

SPARE PARTS

User replaceable spare parts are listing in the table below.

Table 8 - Spare Parts

Part

Description

Fuses

Two Buss 250 Volt – 2 Ampere ABC-2 fuses are required for the BVC,
Fast Acting.

Two 250 Volt – 3 AMP, MEN-3, Time Delay

One 250 Volt – 10 AMP, MEN-10, Time Delay

Summary of Contents for Aerco 64064

Page 1: ...0288 OMM 0051_0D GF 126 USER MANUAL Revised 01 20 2013 Boiler Valve Controller BVC Boiler Valve Controller Front Panel Installation Operation and Maintenance Used in Benchmark Series Boilers KC Series Boilers Applicable to 120VAC Models Serial 12 840 1 and above All 24VAC Models ...

Page 2: ...is subject to change without notice from AERCO International Inc AERCO makes no warranty of any kind with respect to this material including but not limited to implied warranties of merchantability and fitness for a particular application AERCO International is not liable for errors appearing in this manual Nor for incidental or consequential damages occurring in connection with the furnishing per...

Page 3: ...ing the Boiler Valve Controller Enclosure 9 4 3 2 Drilling Access Holes for Conduit and Cable Connections 10 4 3 3 17BRemoval and Replacement of the AERCO BVC Cover 10 4 4 WIRING REQUIREMENTS 11 4 4 1 20BExternal Power Wiring To The Boiler Valve Controller 11 4 4 2 21BBoiler Electrical Connections 11 4 4 3 22BConnecting the Required Electrical Components 4 Boiler Version 14 4 4 4 23BConnecting the...

Page 4: ...e AERCO Boiler Valve Controller will allow 25 GPM minimum system flow since the system is reduced to single boiler operation and flow is stopped on the other three boilers As boilers are started up and turned off based on system demand the valve controller can be configured to open and close the valves to meet the heating demand and maintain stable temperature control without the risk of over temp...

Page 5: ... THEREFORE EXERCISE EXTREME CARE WHEN CONNECTING POWER WIRING TO THE UNIT ALWAYS ENSURE THAT THE EXTERNAL CIRCUIT BREAKER SUPPLYING LINE VOLTAGE TO THE CONTROLLER IS TURNED OFF WARNING THE BOILER VALVE CONTROLLER IS HOUSED IN A LAMINATED FIBERGLASS ENCLOSURE SINCE FIBERGLASS IS AN INSULATOR PROPER GROUNDING MUST BE MAINTAINED BETWEEN THE INTERNAL EQUIPMENT AND THE CONDUITS AND OR CABLES ENTERING O...

Page 6: ...tch makes when valve opens This lets the boiler know that water is flowing through the boiler allowing it to safely fire Switch breaks when valve closes b Preferred MOVs shall be Fail open Power Closed 3 3 BOILER VALVE CONTROLLER GENERAL DESCRIPTIONS The two Boiler Valve Controller Models are housed in NEMA Type 4X for indoor use only laminated fiberglass enclosures An illustration of the BVC box ...

Page 7: ... two modes automated and manual The automated mode runs without operator intervention Depending on the operational status of the boilers voltages are applied to the BVC electronic input terminals causing the MOVs to open or close as appropriate The BVC may also be used manually to open and close the boiler valves as desired For instance if only one of the boilers in a four boiler system is firing ...

Page 8: ...hrough F5 appearing below the touch screen are not operational If a boiler is firing the corresponding valve cannot be manually moved to the CLOSED position to avoid temperature overshoot The factory default setting for the time delay is two minutes The user may subsequently set the time delay in minute increments from one to thirty It is not recommended to lower the time delay below the two minut...

Page 9: ...efer to local codes to insure compliance when installing and maintaining your BVC unit 4 3 10BPREPARING MOUNTING THE BVC AERCO recommends that the BVC be wall mounted using a sheet of plywood or other suitable material However prior to mounting access holes must be drilled in the laminated fiberglass enclosure Refer to section 4 3 1and section 4 3 2for guidelines and instructions for drilling acce...

Page 10: ...ectrical noise on signal leads Access holes can be drilled in the bottom preferred top or side surfaces of the enclosure The most common method for drilling holes in the composite fiberglass enclosure is using a standard twist bit drill For best results AERCO recommends that carbide tipped or PCD diamond tipped tools be used to avoid chipping of the composite material AERCO recommends that hubs be...

Page 11: ...electrical interfacing between the BVC the MOV and the Boiler I O Box is to insure that the water supply valves are open before the boiler is allowed to fire The electrical interface must facilitate the sequence of events described as follows 1 When the boiler is about to be fired an electrical signal is sent from the Boiler I O Box to the BVC unit requesting that the boiler s MOV be opened 2 The ...

Page 12: ...8 VD2 01 20 13 AERCO International Inc 100 Oritani Dr Blauvelt New York 10913 Phone 800 526 0288 AERCO International Inc 100 Oritani Dr Blauvelt New York 10913 Phone 800 526 0288 Figure 1 Benchmark Boiler I O Box Location Figure 5 KC Boiler I O Box Location I O Box I O Box ...

Page 13: ... VD2 01 20 13 Page 13 of 38 AERCO International Inc 100 Oritani Dr Blauvelt New York 10913 Phone 800 526 0288 Figure 6 Diagram of Benchmark or KC Boiler I O Box PCB with Terminal Strips Figure 7 Photo of Benchmark or KC Boiler I O Box PCB with Terminal Strips ...

Page 14: ...rminals on the BVC follow Table 1 BVC Connection Terminals from Boiler I O Box AUX Relay 4 Boiler System Models 64064 64095 64097 4 Boiler System Terminal Block Connections Boiler I O Box NO Terminal Boiler I O Box COM Terminal Boiler 1 Relay 1 13 Boiler 2 Relay 2 14 Boiler 3 Relay 3 15 Boiler 4 Relay 4 16 3 Next refer to Figure 8 and connect the CLOSE OPEN COMMON terminals in each MOV to the appr...

Page 15: ...6 42 Boiler 7 7 43 Boiler 8 8 44 Boiler 9 9 45 Boiler 10 10 46 Boiler 11 11 47 Boiler 12 12 48 3 Next refer to Figure 9 and connect the MOV CLOSE OPEN COMMON HOT terminals in each MOV to the appropriate terminals in the BVC Tables summarizing the connection terminals on the BVC follow Table 4 Connection Terminals on the BVC from MOV 12 Boiler System Models 64065 64096 64098 12 Boiler System BVC Te...

Page 16: ...ritani Dr Blauvelt New York 10913 Phone 800 526 0288 Figure 8 BVC Terminal Block Connection Points 4 Boiler System Model shown is 64097 24VAC for models 64064 64095 120VAC the MOV Hot Terminals are labeled 120V instead of 24V Figure 9 BVC Terminal Block Connection Points 12 Boiler System Model shown is 64098 24VAC for models 64065 64096 120VAC the MOV Hot Terminals are labeled 120V instead of 24V ...

Page 17: ...92084 2 Dual Actuator 120V 4 Boiler BVC P N 64095 SD A 906 120V 12 Boiler BVC P N 64096 SD A 907 24V 4 Boiler BVC P N 64097 SD A 909 24V 12 Boiler BVC P N 64098 SD A 911 24V Power open power close Valves Part Numbers 92084 3 92084 4 92084 5 92084 6 24V 4 Boiler BVC P N 64097 SD A 908 24V 12 Boiler BVC P N 64098 SD A 910 Table 6 Wiring Diagram Selection Guide for AERCO Boiler Valve Controller and V...

Page 18: ...BVC GF 126 User Manual OMM 0051_0D Page 18 of 38 VD2 01 20 13 AERCO International Inc 100 Oritani Dr Blauvelt New York 10913 Phone 800 526 0288 AERCO International Inc 100 Oritani Dr Blauvelt New York 10913 Phone 800 526 0288 ...

Page 19: ...GF 126 Boiler Valve Controller BVC OMM 0051_0D User Manual VD2 01 20 13 Page 19 of 38 AERCO International Inc 100 Oritani Dr Blauvelt New York 10913 Phone 800 526 0288 ...

Page 20: ...BVC GF 126 User Manual OMM 0051_0D Page 20 of 38 VD2 01 20 13 AERCO International Inc 100 Oritani Dr Blauvelt New York 10913 Phone 800 526 0288 AERCO International Inc 100 Oritani Dr Blauvelt New York 10913 Phone 800 526 0288 ...

Page 21: ...GF 126 Boiler Valve Controller BVC OMM 0051_0D User Manual VD2 01 20 13 Page 21 of 38 AERCO International Inc 100 Oritani Dr Blauvelt New York 10913 Phone 800 526 0288 ...

Page 22: ...BVC GF 126 User Manual OMM 0051_0D Page 22 of 38 VD2 01 20 13 AERCO International Inc 100 Oritani Dr Blauvelt New York 10913 Phone 800 526 0288 AERCO International Inc 100 Oritani Dr Blauvelt New York 10913 Phone 800 526 0288 ...

Page 23: ...GF 126 Boiler Valve Controller BVC OMM 0051_0D User Manual VD2 01 20 13 Page 23 of 38 AERCO International Inc 100 Oritani Dr Blauvelt New York 10913 Phone 800 526 0288 ...

Page 24: ...BVC GF 126 User Manual OMM 0051_0D Page 24 of 38 VD2 01 20 13 AERCO International Inc 100 Oritani Dr Blauvelt New York 10913 Phone 800 526 0288 AERCO International Inc 100 Oritani Dr Blauvelt New York 10913 Phone 800 526 0288 ...

Page 25: ...GF 126 Boiler Valve Controller BVC OMM 0051_0D User Manual VD2 01 20 13 Page 25 of 38 AERCO International Inc 100 Oritani Dr Blauvelt New York 10913 Phone 800 526 0288 ...

Page 26: ...BVC GF 126 User Manual OMM 0051_0D Page 26 of 38 VD2 01 20 13 AERCO International Inc 100 Oritani Dr Blauvelt New York 10913 Phone 800 526 0288 AERCO International Inc 100 Oritani Dr Blauvelt New York 10913 Phone 800 526 0288 ...

Page 27: ...GF 126 Boiler Valve Controller BVC OMM 0051_0D User Manual VD2 01 20 13 Page 27 of 38 AERCO International Inc 100 Oritani Dr Blauvelt New York 10913 Phone 800 526 0288 ...

Page 28: ...e fuse housing unit s top plates can be snapped up to expose the fuse holders Make sure the fuses are in place and are of good electrical integrity i e not blown In addition to FS1 and FS2 Models 64097 and 64098 also use fuses for the 24VAC transformer Fuses FS3 primary side of transformer and FS4 secondary side are located at the lower right hand corner of the panel see Figure 11 There are two FS...

Page 29: ...he time delay not be set below this value 5 2 13BFOUR BOILER SYSTEMS AND TWELVE BOILER SYSTEMS AERCO s Boiler Valve Controller unit comes in both 4 boiler and 12 boiler version This document describes scenarios associated with a 4 boiler BVC unit The operational sequences for the 12 boiler BVC unit are analogous Table 5 below summarizes the differences in the touch screen display for these two BVC...

Page 30: ...t of the BVC will be discussed subsequently in Section 5 5 Assume that the user presses the VALVES touch screen button This action takes the user to the Valves screen Figure 13 screen 2 From the Valves screen the user may press either the Valves 1 2 touch screen button the Valves 3 4 touch screen button as well as a BACK touch screen button The latter brings the user back to the Main screen while ...

Page 31: ...Valve Controller BVC OMM 0051_0D User Manual VD2 01 20 13 Page 31 of 38 AERCO International Inc 100 Oritani Dr Blauvelt New York 10913 Phone 800 526 0288 Figure 12 Valve Control Screen Logic Sequence 4 Boiler System ...

Page 32: ... be selected by pressing their corresponding area of the touch screen The user is now brought to either the VALVE 1 2 screen Screen 3 or the VALVES 3 4 screen Screen 4 If the BACK touch screen button was pressed instead the user would have navigated back to the Main screen 3 On the VALVES 1 2 screen Screen 3 the user cannot effect any change because those boilers are assumed to be firing in this p...

Page 33: ...ng the Valves touch screen The scenario sequence is described as follows See Figure 11 1 From the Main screen press the VALVES touch screen button see Figure 11 Screen1 2 This brings the user to Screen 2 where either the VALVES 1 2 or VALVES 3 4 screens may be selected by pressing their corresponding touch screen button The user is now brought to either the VALVE 1 2 screen Screen 3 or the VALVE 1...

Page 34: ... OPEN position Since none of the boilers are firing the user may close a boiler MOV by pressing that particular boiler s CLOSE touch screen button 4 Pressing the BACK touch screen button returns the user to Screen 2 where the user may either choose to select the VALVES 3 4 screen Screen 4 or simply press the BACK touch screen button and return to the Main screen 5 On the Main screen the user may n...

Page 35: ... This brings the user to Screen 2 where the user may enter the time delay by first tapping the numeric field in the upper left The number in this field indicates what time delay is present Initially it will be set to two minutes by the factory Once tapped a keypad along with four touch screen buttons and an Enter Time Delay text box at top of screen appears as is illustrated in Figure 16 If the BA...

Page 36: ...of the four touch screen buttons located at the right in the illustration above take actions described as follows Table 7 Touch Screen Commands TOUCH SCREEN BUTTON LABEL ACTION ESC This Escape button returns the user to the previous screen BS Backspaces the current time delay entry by deleting the extreme right justified numerical character CL Clears the entire entry in the Enter Time Delay text b...

Page 37: ...itani Dr Blauvelt New York 10913 Phone 800 526 0288 6 SPARE PARTS User replaceable spare parts are listing in the table below Table 8 Spare Parts Part Description Fuses Two Buss 250 Volt 2 Ampere ABC 2 fuses are required for the BVC Fast Acting Two 250 Volt 3 AMP MEN 3 Time Delay One 250 Volt 10 AMP MEN 10 Time Delay ...

Page 38: ...r Manual OMM 0051_0D Page 38 of 38 VD2 01 20 13 AERCO International Inc 100 Oritani Dr Blauvelt New York 10913 Phone 800 526 0288 AERCO International Inc 100 Oritani Dr Blauvelt New York 10913 Phone 800 526 0288 AERCO International Inc 2013 ...

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