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Table of Contents
Summary of Contents for Bard GVDM-26
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Page 1: Installation Instructions
INSTALLATION INSTRUCTIONS GVDM-26 DOMESTIC HOT WATER DESUPERHEATER PUMP MODULE KIT Manual No.: 2100-517 Bard Manufacturing Company, Inc. Supersedes: Bryan, Ohio 43506 File: Volume I, Tab 9 Since 1914...Moving ahead just as planned. Date: 02-06-09 Manual 2100-517 © Copyright 2009 Page... -
Page 2: Table Of Contents
Start Up and Check Out ........4 Figure 5 Thermistor ......... 10 Maintenance ............4 Figure 6 Replacement Parts ......11 Control Board Sequence of Operation ....10 COPYRIGHT FEBRUARY 2009 BARD MANUFACTURING COMPANY, INC. BRYAN, OHIO USA 43506 Manual 2100-517 Page 2 of 11... -
Page 3: General
GENERAL INSTALLATION PROCEDURE – GENERAL The pump module kit should only be installed by trained Before beginning the installation, turn off all power technicians. These instructions serve as a guide to the supplies to the water heater and unit, and shut off the technician installing the pump module kit. -
Page 4: Operation Of The Heat Recovery Unit
OPERATION OF THE HEAT RECOVERY UNIT START UP AND CHECK OUT The pump module is a very simple device containing Be sure all shut off valves are open and all power basic controls and a circulating pump. Heat is supplies are on. Open a hot water faucet to permit any transferred from the hot refrigerant (discharge gas) to the air to bleed from the plumbing. -
Page 5: Wiring Diagram
WIRING DIAGRAM DESUPERHEATER FUSE PUMP CONTROL YELLOW TSTAT 24 VAC BLACK CONTROL BLUE LOGIC THERMISTOR BLUE BLUE BLACK THERMISTOR BLUE WHITE OVER TEMP. LIMIT LINE VOLTAGE FACTORY FIELD WIRING WIRING PUMP LOW VOLTAGE MOTOR HIGH VOLTAGE BI-METAL TEMPERATURE WALL PLUG LIMIT 4053-113 Manual... -
Page 6: Figure 1 Mounting Directly Onto Unit
Figure 1 MOUNTING DIRECTLY ONTO UNIT FILTER ASSEMBLY DESUPERHEATER PUMP MODULE ATTACH TO UNIT USING PROVIDED SCREWS INLET AND OUTLET TUBES SUPPLIED WITH PUMP MODULE MIS-2647 Manual 2100-517 Page 6 of 11... -
Page 7: Figure 2 Air Purge Port
Figure 2 AIR PURGE PORT AIR PURGE PORT NOTE: PUMP IS NOT SELF-PRIMING, IT I S RECOMMENDED TO MANUALLY BLEED-OFF AIR. INLET FROM WATER HEATER FROM DSH COIL OUTLET INLET THERMISTOR NOTE: REMOVE DURING TUBE SOLDERING, THEN RE-INSTALL OUT TO WATER HEATER AND WRAP WITH PROVIDED INSULATION. -
Page 8: Figure 3 Remote Mounting & Piping
Figure 3 REMOTE MOUNTING & PIPING Manual 2100-517 Page 8 of 11... -
Page 9: Figure 4 Single Tank System
Figure 4 SINGLE TANK SYSTEM Manual 2100-517 Page 9 of 11... -
Page 10: Control Board Sequence Of Operation
CONTROL BOARD SEQUENCE of 1.) If temperature difference is greater than 3°F, then the control will continue to energize pump relay. OPERATION 2.) If temperature difference is less than 3°F, then the The desuperheating control board will make a determination control will de-energize the pump relay. -
Page 11: Figure 6 Replacement Parts
Figure 6 REPLACEMENT PARTS MIS-2669 t e l t e l t e l t s i t a l Manual 2100-517 Page 11 of 11...