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Bard GVDM-26 manual

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Table of contents for the manual

  • Page 1

    Manual 2100-517 Page 1 of 1 1 GVDM-26 DOMESTIC HOT WA TER DESUPERHEA TER PUMP MODULE KIT Manual No.: 2100-517 Supersedes: NEW File: V olume I, T ab 9 Date: 02-06-09 Bard Manufacturing Company , Inc. Bryan, Ohio 43506 Since 1914...Moving ahead just as planned. © Copyright 2009 INST ALLA TION INSTRUCTIONS[...]

  • Page 2

    Manual 2100-517 Page 2 of 1 1 CONTENTS General ................................................................. 3 Descriptio n ............................................................ 3 Location ................................................................. 3 Electrical Connection ............................................. 3 Soldering T [...]

  • Page 3

    Manual 2100-517 Page 3 of 1 1 GENERAL The pump module kit should only be installed by trained technicians. These instructions serve as a guide to the technician installing the pump module kit. They are not intended as a step-by-step procedure with which the mechanically inclined owner can install the unit. DESCRIPTION The system is designed to heat[...]

  • Page 4

    Manual 2100-517 Page 4 of 1 1 OPERATION OF THE HEAT RECOVERY UNIT The pump module is a very simple device containing basic controls and a circulating pump. Heat is transferred from the hot refrigerant (discharge gas) to the cool water. The operation of the Desuperheater Pump Module is controlled first by the operation of the Geothermal Heat Pump an[...]

  • Page 5

    Manual 2100-517 Page 5 of 1 1 NC LINE VOLTAGE WATER SENSORS TSTAT 3 AMP FUSE POWER PUMP OUTLET NL OV ER TEMP . LIMIT OUTLET INLET Y RC 24VAC L N CONTROL LOGIC NO C BLUE BLUE THER MIST OR BLUE BLUE THER MIST OR GREEN PUMP 4053-113 LOW VO LTAG E WIRING PUMP CONTROL HIGH VOLTAGE WALL P LUG RED FAC TORY DESUPERHEAT ER TEM PERATU RE MOTOR 24 VA C LIMIT [...]

  • Page 6

    Manual 2100-517 Page 6 of 1 1 SUPPLIED WITH PUMP MODULE SCREWS INLET AND OUTLET TUBES ATTACH TO UNIT USING PROVIDED FILTER ASSEMBLY DESUPERHEATER PUMP MODULE MIS-2647 Figure 1 MOUNTING DIRECTLY ONTO UNIT[...]

  • Page 7

    Manual 2100-517 Page 7 of 1 1 MIS -2651 INSULATION. OUT TO DSH COIL INLET HEATER OUTL ET AND WRAP WITH PROVIDED OUTLET THERM ISTOR NOTE: REMOVE DURING TUBE AND WRAP WITH PROVIDED SOLDERING, THEN RE-INSTA LL INSULATION. AIR. SOLDERING, THEN RE-INSTA LL NOTE: PUMP IS NOT SELF-PRIMING , IT I S RECOMMENDED TO MANUALLY BLEED-OFF NOTE: INSTALL ER MUST IN[...]

  • Page 8

    Manual 2100-517 Page 8 of 1 1 Figure 3 REMOTE MOUNTING & PIPING[...]

  • Page 9

    Manual 2100-517 Page 9 of 1 1 Figure 4 SINGLE TANK SYSTEM[...]

  • Page 10

    Manual 2100-517 Page 10 of 1 1 CONTROL BOARD SEQUENCE of OPERATION The desuperheating control board will make a determination whether or not to energize the pump relay inclusive on the control board. A. It will constantly monitor inputs from two temperature sensors, Inlet & Outlet water sensors. B. It will constantly monitor the Y signal. C. Up[...]

  • Page 11

    Manual 2100-517 Page 11 of 1 1 7 2 4 3 5 MIS -2669 6 1 Figure 6 REPLACEMENT PARTS . o N g n i w a r D. o N t r a Pn o i t p i r c s e D 14 - 4 7 3 - 7 2 1 Se s a B 21 7 1 - 2 0 4 8t i m i L e r u t a r e p m e T r e t a W 31 7 3 - 3 1 1t e k c a r B d r a o B l o r t n o C 44 1 1 - 1 0 2 8d r a o B l o r t n o C r e t a e h r e p u s e D 55 4 0 - 4[...]