Table of Contents
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METRO IOM
METRO 120F
METRO 120F-ECM
METRO 120D
METRO 120D-ECM
and Maintenance Manual
and Maintenance Manual
HEAT RECOVERY VENTILATORS &
HEAT RECOVERY VENTILATORS &
ENERGY RECOVERY VENTILATORS
ENERGY RECOVERY VENTILATORS
HRVs:
Installation, Operation
Installation, Operation
ERVs:
METRO 120 ERV
METRO 120 ERV-ECM
METRO 120ERVD
METRO 120 ERVD-ECM
METRO XTR
MAX XTR
lifebreath.com
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Summary of Contents for Lifebreath METRO 120ERV
- Page 1 ENERGY RECOVERY VENTILATORS ENERGY RECOVERY VENTILATORS HRVs: ERVs: METRO 120F METRO 120 ERV METRO 120F-ECM METRO 120 ERV-ECM METRO 120D METRO 120ERVD METRO 120D-ECM METRO 120 ERVD-ECM METRO XTR MAX XTR Installation, Operation Installation, Operation and Maintenance Manual and Maintenance Manual lifebreath.com...
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Page 2: Table Of Contents
Installation Methods - Fully Dedicated..................... Unit Installation Location and Restrictions..................... Mounting the Unit............................Installing the Drain Connection......................... Grilles................................Grille Fittings..............................Lifebreath Weatherhoods..........................Dual Hood Kit..............................Terminal Blocks............................. Installation and Operation of DET02 Wireless Timer................Installation and Pairing of RX02 Repeater..................... Installation of DET01 Timer........................ -
Page 3: Shipping And Packing List
Table 1. Accessories Bag Assembly Contents TYPE UNIT NAME CONTENTS 1x Ventilation Label 4x Mounting Brackets ERV’s METRO 120ERV, METRO 120ERV-ECM, METRO 120ERVD, & 120ERVD-ECM 8x Screws 1x Ventilation Label 4x Mounting Brackets ERV’s MAX XTR, METRO XTR 8x Screws... -
Page 4: Specifications
*Certified by the Home Ventilating Institute (HVI) according to test procedures developed by HVI members and based on internationally recognized standards. For performance ratings at other conditions not shown, please visit the HVI website. Number of speeds available with BC02 or BC04 basic control Number of speeds available with BC03 basic control lifebreath.com... - Page 5 Fan Watt Rating Amp Rating * Certified by the Home Ventilating Institute (HVI) according to test procedures developed by HVI members and based on internationally recognized standards. For performance ratings at other conditions not shown, please visit the HVI website. lifebreath.com...
- Page 6 *Certified by the Home Ventilating Institute (HVI) according to test procedures developed by HVI members and based on internationally recognized standards. For performance ratings at other conditions not shown, please visit the HVI website. Number of speeds available with BC02 or BC04 basic control Number of speeds available with BC03 basic control lifebreath.com...
- Page 7 Fan Watt Rating Amp Rating *Certified by the Home Ventilating Institute (HVI) according to test procedures developed by HVI members and based on internationally recognized standards. For performance ratings at other conditions not shown, please visit the HVI website. lifebreath.com...
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Page 8: Optional Fan Curve Speeds
Optional Fan Curve Speeds - ERV Units Table 4. ERV Optional Fan Curves Speeds (Factory Tested) Single-Core ERV Units Model No. METRO 120ERV METRO 120ERV-ECM MAX XTR METRO 120ERVD METRO 120ERVD-ECM METRO XTR Speed 5 - High IN. wg (Pa) 0.1 (25) - Page 9 Speed 2 - Medium Low IN. wg (Pa) 0.1 (25) 0.2 (50) 0.3 (75) 0.4 (100) 0.5 (125) 0.6 (150) 0.7 (175) Speed 1 - Low IN. wg (Pa) 0.1 (25) 0.2 (50) 0.3 (75) 0.4 (100) 0.5 (125) 0.6 (150) lifebreath.com...
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Page 10: Dimensional Drawings
Fresh Air to Inside 5 in. (125 mm) 20 3/4 in. (527 mm) 9-3/4 in. (248 mm) Core Collars Filters Figure 1. METRO 120ERV & METRO 120ERV-ECM DOOR CLOSED DOOR OPEN VIEW DOOR CLOSED VIEW Motorized SIDE VIEW Impellers Airflow:... -
Page 11: Defrost Overview
Fan Defrost Applicable Units: METRO 120ERV, METRO 120ERV-ECM, METRO 120F, METRO 120F-ECM, METRO XTR, & MAX XTR During defrost the supply fan shuts off while the exhaust fan continues to operate. This allows the heat from the exhaust air to defrost the unit’s core. -
Page 12: Required Ventilation
Floor Area (Square Feet) <500 501 - 1000 1001 - 1500 1501 - 2000 2001 - 2500 2501 - 3000 3001 - 3500 3501 - 4000 4001 - 4500 4501 - 5000 For more information about ASHRAE, go to: https://www.ashrae.org. lifebreath.com... -
Page 13: How The Dehumidistat Works
15°C (59°F) for a full 24-hour period. All other HRV/ERV features, and functions operate normally while the Dehumidistat function is disabled. Dehumidistat Re-enable automatically re-enables the Dehumidistat function if either the outdoor temperature drops below 15°C (59°F) for a full 24-hour period or if the HRV/ERV is reset (unplugged for 30 seconds). lifebreath.com... -
Page 14: Bc02 Basic Control
Dehumidistat functionality. IMPORTANT Only one control can be installed on the system. Timers will not function when mode of operation is set to “OFF”, unless specifically installed for that function. Refer to “Installing Standby Jumper” on page 32. lifebreath.com... -
Page 15: Bc03 Basic Control
Press and release the 20/40 button. The light above will illuminate. The unit will run 20 min 20/40 Mode 20 / 40 on / 40 min off mode in fan defrost models and 20 min on / 40 min recirculation mode on recirculation damper defrost models. lifebreath.com... -
Page 16: Dxpl03 Deluxe Control
LOW fan speed, Ventilation mode and a Dehumidistat setting of 40%. A service indicator appears when the unit requires routine maintenance. Press and hold the Service Indicator ON/OFF button for 5 seconds to reset the service indicator once maintenance has been performed. *Refer to “Auto Balancing” on page 40. lifebreath.com... -
Page 17: Det01 Wired Timer
When the RX02 Repeater is positioned correctly, a solid green LED will illuminate indicating the RX02 Repeater has a strong connection to the main wall control and may be moved farther away if necessary. Figure 12. Wireless Repeater * Refer to “Installation and Operation of RX02 Repeater” on page 30. lifebreath.com... -
Page 18: Overview Of Installation Methods
All ducts running through attics and unheated spaces must be sealed and insulated to code. IMPORTANT Applications such as greenhouses, atriums, swimming pools, saunas, etc. have unique ventilation requirements which should be addressed with an isolated ventilation system. lifebreath.com... -
Page 19: Installation Methods - Simplified (Return/Return)
Cold Air Return Damper for balancing airflows Outdoors Airflow: Stale Air to Outside Forced Air Fresh Air from Outside Furnace Stale Air from Inside Fresh Air to Inside Backdraft Damper Leaf Hinge Installed Vertically (Recommended) Figure 14. Simplified Installation (Return/Return) lifebreath.com... -
Page 20: Installation Methods - Partially Dedicated
Fresh Air from Outside Furnace Stale Air from Inside Fresh Air to Inside Backdraft Damper Leaf Hinge Installed Vertically (Recommended) Figure 16. Direct Connection of Supply Air Stream to the Furnace Cold Air Return (Stale air drawn from key areas of home) lifebreath.com... -
Page 21: Installation Methods - Fully Dedicated
Stale Air to Outside Fresh Air from Outside Stale Air from Inside Fresh Air to Inside Fresh Air to building Backdraft Damper Damper for Leaf Hinge balancing airflows Installed Vertically (Recommended) Figure 18. Fully Dedicated System (Not connected to forced air system) lifebreath.com... -
Page 22: Unit Installation Location And Restrictions
HRV/ERV unit must be properly balanced (see page 35 - 37) to prevent negative pressure in structure. Negative pressure can cause back− drafting of combustion gases in other household appliances such as gas furnaces, oil furnaces, hot water heaters, wood stoves, fireplaces, etc. lifebreath.com... -
Page 23: Mounting The Unit
The HRV and all condensate lines must be installed in a space where the temperature is maintained above the freezing point or freeze protection must be provided. • Drain trap and tubing must be below bottom of door with 1/4 in per foot downwards slope away from unit. • A secondary drain pan may be required to protect from condensate leakage. lifebreath.com... -
Page 24: Grilles
The TechGrille is a round, fully adjustable grille, which provides quiet air distribution. • Part# 99-EAG4, 4 in (100 mm) • Part# 99-EAG5, 5 in (125 mm) • Part# 99-EAG6, 6 in (150 mm) • Part# 99-EAG8, 8 in (200 mm) Airflow Airflow Exhaust Supply lifebreath.com... -
Page 25: Grille Fittings
Flush mount the lip of the Terminator fitting TechGrille TechGrille to the drywall. CAUTION Do not mount exhaust grille within 4 ft (1.2 m) (horizontally) of a stove to prevent grease from entering the unit. lifebreath.com... -
Page 26: Lifebreath Weatherhoods
Lifebreath Weather Hoods Fixed covered weather hoods have a built-in bird screen with a 1/4 in. (6 mm) mesh to prevent foreign objects from entering the ductwork. Installation Notes: • The inner and outer liners of the flexible insulated duct must be clamped to the sleeve of the weatherhoods (as close to the outside as possible) and the appropriate port on the ERV. -
Page 27: Dual Hood Kit
Dual Intake and Exhaust Hood kit to verify compliance with local building codes. • Sealant must be applied as per instructions or leakage and condensation may occur. • Insulate the Fresh Air Supply and Stale Air Exhaust duct work back to the unit. lifebreath.com... -
Page 28: Terminal Blocks
NO NC DH Figure 24. Type A Figure 25. Type B The METRO 120ERV, METRO 120ERV-ECM, METRO 120D, The METRO XTR & MAX XTR have a Type B terminal block as shown in Figure 28. METRO 120D-ECM, METRO 120ERVD, METRO 120ERVD-ECM, METRO 120F, &... -
Page 29: Installation And Operation Of Det02 Wireless Timer
DET02 Wireless Timer and listen for the HRV/ERV to initiate HIGH fan speed ventilation. For DXPL03 Deluxe Control: To test if the pairing was successful press the button on the DET02 Wireless Timer and look for the Timer icon to display on the LED screen next to the fan speed. lifebreath.com... -
Page 30: Installation And Pairing Of Rx02 Repeater
When installed in its permanent location, the green LED will indicate the quality of communication with the wall control. See Table 11 below. Table 12. Wireless Range Extender LED Indication LED Indication Quality of Communication Solid green Best Flashing green Good Solid Red lifebreath.com... -
Page 31: Installation Of Det01 Timer
Connect to 8 (NO) Connect to NC Connect to 9 (NC) Furnace Furnace Terminal Strip Terminal Strip Figure 33. Air Handler/Furnace Blower Connections Figure 34. Air Handler/Furnace Blower Connections with Type B Terminal Block with Type A Terminal Block lifebreath.com... -
Page 32: Electrical Connections
A dry contact for a dehumidistat is connected between 2 (ON) and 10 (BLK). IMPORTANT The ERV must have a jumper in place between 2 (ON) and 3 (RED) on the Terminal Block when installing the unit without a Control. lifebreath.com... -
Page 33: Unit Wiring Diagrams
Unit Wiring Diagrams Applicable Units: Applicable Units: METRO 120ERV-ECM, METRO 120ERVD-ECM, METRO METRO 120ERV, METRO 120F, & METRO XTR 120F-ECM, METRO 120D-ECM Figure 40. Wiring Diagram Figure 39. Wiring Diagram lifebreath.com... - Page 34 YELLOW Motor GRN/YEL BLUE Supply YELLOW Motor Terminal Block 26-274 Damper Motor EXHAUST SUPPLY (Damper Defrost STREAM STREAM Units Only) Thermistor Note: SW1 & SW2 Positions Refer to installation manual inlet outlet inlet outlet Collars Figure 42. Wiring Diagram lifebreath.com...
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Page 35: Unit Dip Switch Orientation
3 (Hi 1). Refer to the specification pages in the manual for the air flow rates for speeds 5, 4 and 3. The factory setting is speed 5 (Hi 3). Applicable Units: METRO 120ERV, METRO 120ERV-ECM, METRO 120F, METRO 120F-ECM, & METRO XTR Table 14. Dip Switch Orientation for METRO 120ERV, METRO 120ERV-ECM, METRO 120F, METRO 120F-ECM, & METRO XTR SWITCH 1 Speed... -
Page 36: Adjusting The Ec Motor
HRV/ERV will not defrost properly The METRO 120ERV, METRO 120ERVD, METRO 120ERV-ECM, METRO 120ERVD-ECM, METRO 120F, METRO 120D, METRO 120F-ECM, & METRO 120D-ECM are considered “factory balanced”. Due to the design of the unit, if the supply and exhaust static pressure of the duct installation are within 0.3 (in w.g.) of each other, the supply and exhaust airflows will be within 10% of each other. - Page 37 ATTENTION Installations where the ERV is ducted directly to the return of a furnace may require additional dampening on the fresh air to building duct. This is due to the high return static pressures found in some furnace installations. lifebreath.com...
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Page 38: Balancing The Airflows - Collar Port Method
Door Ports: Supply Balance Port Low (-) Supply Balance Port High (+) Exhaust Balance Port Low (-) Exhaust Balance Port High (+) Airflow: Stale Air to Outside Fresh Air from Outside Stale Air from Inside Fresh Air to Inside lifebreath.com... - Page 39 0.70 0.70 0.70 0.75 0.75 0.75 0.80 0.80 0.80 0.85 0.85 0.85 0.90 0.90 0.90 0.95 0.95 0.95 1.00 1.00 1.00 1.05 1.05 1.05 1.10 1.10 1.10 1.15 1.15 1.15 1.20 1.20 1.20 1.25 1.25 1.25 1.30 1.30 1.30 lifebreath.com...
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Page 40: Auto Balancing
NOTE Should any unexpected behaviour occur on the Auto Balance Screen or on the HRV/ERV, disconnect the HRV/ERV from the outlet, wait approximately 30 seconds and start from step 1. * Man Balance is used for diagnostic purposes only. lifebreath.com... -
Page 41: Troubleshooting
• HRV/ERV is not level Water in the bottom of the HRV/ERV unit • Check water drain connections • Drain lines obstructed • Make sure water drains properly from pan(s) • HRV/ERV heat exchange core is not properly installed lifebreath.com... -
Page 42: Homeowner Maintenance Information
Flush with warm soapy water and replace line if worn, bent, or cannot be cleaned. Clean duct system if required. The duct system may accumulate dirt. Wipe and vacuum the inside of the duct once every year. (A capable HVAC service company will best perform this procedure.) lifebreath.com... - Page 43 Use a small brush and scrub individual fan blades until clean. Avoid moving or damaging balancing flat weight (clip is usually found on one or more of the fan blades). Vacuum and wipe out. g. Reassemble. Be sure ducting is attached firmly. Seal and tape insulation and moisture barrier. A capable HVAC service company will best perform this procedure. lifebreath.com...
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Questions and answers
Dxpl03 continuing flashing
A continuing flashing on the DXPL03 indicates that the main control is in pairing mode.
This answer is automatically generated