Page 2 - Engineering Data; WEIGHT; Performance
2 3 2 1 20 40 60 80 100 120 140 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 Static Pressure (in w .g.) A ir Flow ( c fm ) 3 - High Speed 2 - Medium Low Speed1 - Low speed Engineering Data Model RNC120F THERMALLY CONDUCTIVE, PATENTED ALUMINUM CORE The cross-flow heat recovery core transfers heat between th...
Page 3 - Dimensions; inches; Dimensions; inches
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 TO OUTSIDE FRESH AIR TO BUILDING...
Page 4 - ERV System Control
4 Engineering Data Model 120ERV Latent Recovery/Moisture Transfer Core The cross flow energy recovery core transfers heat and water vapor between the two airstreams. It is easily removed for cleaning and service. MOTORS AND BLOWERS Each Air stream has an independent motorized impeller. 3 speed opera...
Page 5 - Option 1 - Duct Configuration Dimensions; Option 2 - Duct Configuration Dimensions
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 ...
Page 7 - NOTE: Connecting any of these to the HRV will; WARNING; CAUTION
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 ...
Page 8 - * Local code may require greater distances.; Intake Weatherhood Requirements; • Should be located upstream (if there are prevailing; Weatherhood Clearances; DETAIL; Weatherhood Installation; Installation
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 ...
Page 10 - T h e; Kitchen Grille; Note: Secondary drain pan may be required to
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...
Page 11 - Stale air drawn from key areas of; Partially Dedicated System for HRV; HRV must be balanced.; Application Illustrations
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...
Page 12 - It is mandatory that the air handler blower; Simplified Installation for HRV; HRV; Air
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...
Page 13 - Fully Dedicated System for HRV
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...
Page 17 - ATTENTION; Crank Dial
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 ...
Page 18 - Wiring the Controls; Dehumidistat Ventilation Control
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...
Page 19 - Electrical
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...
Page 20 - Operation; Self Test; intermittent operation at all times; Figure 1 - Factory DIP Switch Settings; Mode DIP Switch Settings; ON; ON; Figure 2
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...
Page 22 - Interlocking HRV Operation to an Airhandler/Furnace Blower
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...
Page 23 - to OFF position throughout the rest of the year.; Defrost Cycle DIP Switch Settings
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 ...
Page 24 - GH; Balancing Procedure; Air Flow Balancing
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 ...
Page 25 - Placement of Pitot Tube HRV; DUCT; AIR; Pitot Tube and Gauge; with magnehelic gauge,; NOTE: Graphic is for illustrative purposes only.
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. ...
Page 26 - Troubleshooting; Symptom
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...
Page 28 - Maintenance Record
28 Date Maintenance Performed Contractor Maintenance Record Note: It is important to maintain this product regularly to ensure optimal performance.