Lifebreath 120ERV - Manuals

5 Engineering Data Model 120ERV ALL DUCT CONNECTION COLLARS ARE 5" DIAMETER FRESH AIR FROM OUTSIDE EXHAUST AIR FROM BUILDING FRESH AIR TO BUILDING EXHAUST AIR TO OUTSIDE TOP VIEW SERVICE CLEARANCE FROM BOTTOM OF UNIT IS MINIMUM 3'0" FRESH AIRFROM OUTSIDE EXHAUST AIRFROM BUILDING EXHAUST AIR ...

7 Location Selection The HRV must be located in a heated space where it willbe possible to conveniently service the unit. Typically theHRV would be located in the mechanical room or an areaclose to the outside wall where the weather hoods will bemounted. If a basement area is not convenient or does ...

36" (1m) recommended min. 36" (1m) recommended min. 6' (2m) recommended min. 18" (460mm) min. 18" (460mm) min. OUTSIDE CORNER INTAKE EXHAUST INSIDE CORNER 8 When installing the weather hood, its outside perimetermust be sealed with exterior caulking. * Local code may require greater ...

10 Stale Air Exhaust System The stale air exhaust system draws air from the points inthe house where the worst air quality problems occur.S t a l e a i r d u c t s s h o u l d b e i n s t a l l e d i n t h e b a t h r o o m ,kitchen, and laundry room. Applications such as green-h o u s e s , a t r i...

11 DIRECT CONNECTION of the SUPPLY AIR STREAM to the AIR HANDLER COLD AIR RETURN (Stale air drawn from key areas of home) Air Handler Outdoors *Unit is normally balanced on HIGH speed with air handler blower ON. High efficiency filter or electronic air cleaner Cool Air Return NOTES: 1. Air handler b...

12 DIRECT CONNECTION of both the HRV SUPPLY AIR STREAM and EXHAUST AIR STREAM to the AIR HANDLER COLD AIR RETURN Defrost air port needs to be drawn from clean area without combustion appliances. To avoid backdrafting of combustion products, never draw defrost air from a room with a naturally aspirat...

13 Outdoors *Unit is normally balanced on HIGH speed with air handler blower ON. NOTES: 1. Weather hood arrangement is for drawing purposes only. 6' (2m) minimum separation required. 18" (460mm) above grade minimum or above anticipated snow level .2. The HRV air flow must be confirmed on site, u...

17 Ventilation Dehumidistat PART NO. 99-116 The High/Low Speed Switch initiates High or Low speed ventila-t i o n . T h i s c o n t r o l a l s o h a s a n O N / O F F S w i t c h a n d aDehumidistat Dial (refer to "The ON/OFF Switch" and "TheDehumidistat Dial" descriptions). Remote ...

18 Wiring the Controls Red to Red Black to Black Green LED Drive to Green DEHUMIDIST AT Red to Red Orange to Orange Black to Black Dehumidistat Ventilation Control Part No. 99-116 20 Minute Timer (shown in a Decora cover plate)* Red to Red Black to Black Remote Dehumidistat Part No. 99-130W Removefa...

19 The HRV unit should be plugged into a standard designat-ed (120VAC) electrical outlet with a ground. The outletshould be serviced by a separate 15 amp/120V circuit. Anextension cord should not be used with this appliance. Aqualified service technician should make any requiredelectrical connection...

20 Operation Self Test T h e v e n t i l a t o r w i l l a u t o m a t i c a l l y i n i t i a t e a s e l f t e s tsequence when power is applied. Fan motor is cycled andthen damper motor is cycled. Duration: Approximately 1.5mins. How much ventilation do I need? During seasons when your windows an...

22 When using the Interface relay contacts to initiate blower operation on a fur-nace, certain thermostats will initiate the outdoor cooling condenser whenR and G are closed. Use this wiring configuration to prevent the Interface relay contacts from initializingthe condenser unit. This problem can o...

23 The fan defrost HRV is equipped with an electronicallycontrolled fan defrost system to remove frost that collectson the warm air side of the aluminum heat transfer sur-faces of the heat exchanger core. When the outside airtemperature drops below 27°F (3°C), defrost is activatedwhich provides for ...

24 It is necessary to have b alanced air flow in an H R V . The volume of air b rought in from the outside must e q ual the volume of air e x hausted b y the unit. If the air flow is not properly b alanced , then : • The H R V may not operate at its ma x imum efficiency • A negative or positive air ...

MAGNEHELIC MAGNEHELIC Placement of Pitot Tube HRV MAGNEHELIC DUCT AIR FLOW Pitot tube High Pressure Side Low Pressure Side Magnehelic gauge Pitot Tube and Gauge Pitot Tube Air Flow Balancing Kit with magnehelic gauge, Pitot tube, hose and carry case. NOTE: Graphic is for illustrative purposes only. ...

Troubleshooting 26 Poor A ir Flow Supply air feels cold Dehumidistat is not O perating H umidity L evels are too H igh in Winter Condensation is appearing on the windows H umidity L evels are too L ow H R V and / or Ducts Frosting up Condensation or Ice Build U p in Insulated Duct to the O utside Wa...

28 Date Maintenance Performed Contractor Maintenance Record Note: It is important to maintain this product regularly to ensure optimal performance.