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Lifebreath 2500IFD manual

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Table of contents for the manual

  • Page 1

    Do Not Attempt Installing Unit Without First Reading Entire Manual. OPERA TION AND INST ALLA TION MANUAL CAUTION Before installation, careful consideration must be given to how the system will operate if connected to any other piece of mechanical equipment, i.e. a forced air furnace or air handler, operating at a higher static. After installation, [...]

  • Page 2

    2 INTRODUCTION These Heat Recovery Ventilators (HRVs) are designed for commercial and industrial applications to provide fresh air to a building while exhausting an equal amount of stale air. During the winter months the incoming cold fresh air is warmed by utilizing the heat recovered from the stale air before it is exhausted to the outdoors. Duri[...]

  • Page 3

    3 MAKE UP HEA T REQUIREMENT at 1200 CFM (566L/s) Nominal Nominal Nominal Outdoor Temp. kW Req. for kW Req. for kW Req. for C° F° 20°C (68°F) 25°C (77°F) 30°C (86°F) Air Delivery Air Delivery Air Delivery 0 32 7 10 14 -10 14 10 14 17 -20 -4 12 15 19 -30 -22 15 19 22 -40 -40 17 21 24 Selecting the Correct Size HR V Commercial and Institutiona[...]

  • Page 4

    4 Supply to building Supply from outside Exhaust from building Exhaust to outside Heat Exchanger Service Panel* Filter Service Panel* Electrical Service Panel* 47" 47" 89.9" 38.4" 24" 16" SIDE VIEW FRONT VIEW BACK VIEW *NOTE: Removable service access panels on both sides of 2500IFD cabinet. 38.4" 2" 7" 6[...]

  • Page 5

    5 PERFORMANCE OPTIONS AND ACCESSORIES 99-101: CRANK TIMER Mechanical timer to activate high speed. 99-116: DEHUMIDISTAT VENTILATION CONTROL (DVC) Turns unit on/off via slider switch and high/low via built-in dehumidistat. 99-130: DEHUMIDISTAT Activates high speed when indoor humidity rises above set point on control. 99-140: 4" TECHGRILLE 99-1[...]

  • Page 6

    6 Hoods (2) c/w Bug Screen Motors (2) Supply to Duct 24"x16" Drain Pans (2) Heat Exchange Core Exhaust Duct 24"x16" 4" Filters Supply Hoods Exhaust Hoods Roof Curb Heat Exchanger Service Panel* Filter Service Panel* Electrical Service Panel* 47" 18" 18" 27" 89.9" SIDE VIEW TOP VIEW *NOTE: Removable [...]

  • Page 7

    7 PERFORMANCE OPTIONS AND ACCESSORIES 99-101: CRANK TIMER Mechanical timer to activate high speed. 99-116: DEHUMIDISTAT VENTILATION CONTROL (DVC) Turns unit on/off via slider switch and high/low via built-in dehumidistat. 99-130: DEHUMIDISTAT Activates high speed when indoor humidity rises above set point on control. 99-140: 4" TECHGRILLE 99-1[...]

  • Page 8

    8 Oper ation Instructions The LIFEBREA TH 2500 series HRV is designed tobe operated continuously or intermittently to meet the requirements of the application. CONTINUOUS OPERA TION For continuous operation, a simple jumper across the ON/OFF and COMMON jumper terminals is needed. HIGH/LOW speed selection requires another jumper across HIGH/LOW and [...]

  • Page 9

    9 Off 10 20 30 40 50 60 Optional Remote Controls ON OFF HIGH LOW Supplied and Installed by Contractor Dehumidistat  Setting Relative to Outside Conditions   WINTER:  Set dehumidistat between 30% to 40%. If home is too dry, adjust to higher setting. If home is too humid, adjust to lower setting.    SUMMER: Set deh[...]

  • Page 10

    F an Defrost The Models 2500IFD and 2500EFD are equipped with an electronically controlled fan defrost system to remove frost that collects on the warm air side of the aluminum heat transfer surfaces of the heat exchanger core. When the outside temperature drops below 27˚F(-3˚C), a defrost timer is activated which provides for an auto- matic defr[...]

  • Page 11

    11 Mounting the 2500 2500EFD Roof mount NOTE: Roof curb is one inch smaller than outside dimensions of cabinet Roof curb 2500IFD Platform mount (not provided) Mount unit on wooden or metal support assembly. Unit must be raised an adequate height for installation and slope of drain lines. Vibration isolators May be anchored to floor, leaving space f[...]

  • Page 12

    FRAME ASSEMBL Y 1. T ake one end piece (locking tabs) and one side piece (slots). Stand both pieces vertically on the floor or roof. See Figure 1. 2. Raise slightly the corner of the end piece (locking tabs) and mate with side piece (slots), ensuring that lower locking tab with leading edge is through slot opening. See Figure 2. 3.Push down on top [...]

  • Page 13

    13 Dr ains Connect the stainless steel drain pans in the bottom of the HRV to a drain line fastened to the holes provided. See pg.10 for location of the drain pans and the drain connections. Create a "P" trap to prevent odours from being drawn through. Make sure the drain line slopes down to drain properly and if this is not possible a co[...]

  • Page 14

    14 Stale Air Return S yst em The stale air return system is used to draw air from the points in the building where the worst air quality prob- lems occur . Balancing dampers and/or adjustable grilles are recommended on all return air lines which are used during installation to help balance the "draw" from different areas of the building. [...]

  • Page 15

    15 It is necessary to have balanced air flows in an HRV. The volume of air brought in from the outside must equal the volume of air exhausted b y the unit. If the air flows are not properly balanced, then; • The HRV may not operate at its maximum efficiency • A negative or positive air pressure may occur in the house • The unit may not defros[...]

  • Page 16

    16 The Integr ated HV A C S ystem The 2500 is a quiet, efficient, low pressure system. Special care and attention should be given if connecting this unit to any other air handler that may draw more air than the 2500 is designed to accommodate. The HRV has become an integral component of the HV AC system. Figure 4 shows an HRV unit provid- ing fresh[...]

  • Page 17

    17 DAMPERS OR ADJUSTABLE GRILLES BALANCING DAMPERS HRV UNIT EXHAUST TO HRV SUPPLY DUCT RETURN AIR DUCT FRESH AIR SUPPLY FRESH AIR TO BUILDING STALE AIR EXHAUST ROOFTOP HEAT/COOL UNIT Check design static pressure of air handler to ensure it is  compatible with HR V BA ROOFTOP HEAT/COOL UNIT SUPPLY DUCTWORK CEILING RETURN AIR PLENUM ROOF DECK S[...]

  • Page 18

    18 C1 HIGH BLACK - HIGH YELLOW - COM BLUE - MID RED - LOW SUPPL Y M OTO R SUPPL Y  BRO WN   BRO WN   CAP   C2 F2 L1 L2 F3 MAX 15A MAX 15A LOW TIMER ON/OFF ON/OFF 24V F1 XFRM1 240V 240 V A C 15 AMPS COMMON 24 V AC 24 V AC TI-109 07/97 5 AMP COMMON HIGH/LOW HIGH/LO W SNAP DISK C3 HIGH BLACK - HIGH YELLOW - CO[...]

  • Page 19

    19 CO MMERCIAL LIFEBREA TH ® HEA T REC O VER Y VENTILA TORS • T wo Y ear Limited W arranty • 15 Y ear Core W arranty NUTECH ENERGY SYSTEMS INC. ® (NUTECH) warrants to the purchaser of the Commercial LIFEBREATH ® model and accessories referred to below, to be free from manufacturing defects. This Warranty is personal to NUTECH ® and is in ef[...]

  • Page 20

    511 McCormick Blvd. London, Ontario N5W 4C8 Ph: (519) 457-1904 Fx: (519) 457-1676 Email: nutech@lifebreath.com Website: www.lifebreath.com[...]