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RNC95 Specifications

The RNC95 HRV (Heat Recovery Ventilator) has been designed
to allow the installer to choose between two possible positions
on the cabinet for the Stale Air Exhaust (from building) port.
Illustrations in this manual show standard (side mounted) port
location. The same specifications apply to both RNC95 setups,
regardless of which port position is selected.

Variable Port Location / Installation

(Model RNC95 only)

The exhaust return port collar is not factory installed. Installer
may choose either side mounted or alternate top mounted port
by simply removing one of the two knock-out plates and
attaching a port collar (supplied). To remove knock-out plate,
insert a utility knife into the knock-out slits and trace them
completely to puncture protective film underneath. Then, cut the
solid tabs between the slits, using tin snips or side cutters, and
remove the knock-out plate. If any protective film still blocks
the opening, remove it now.

In order to make the RNC95 as space efficient as possible, the
INDOOR supply and return ports are converted from round to
oval shape. Overall size of the port remains the same. Simply
bend a standard duct fitting to the correct shape, and attach to
the oval port using the same method as for a round port.

RNC95 Air Flow

Stale air enters the FRONT RIGHT side port. The air will pass
down the front half of the core, then up the back half of the core
and out the RIGHT REAR port.

Fresh outdoor air will enter the LEFT REAR port and pass down
the back half of the core. It will then pass up the front half of the
core, and out the LEFT FRONT port.

SIDE MOUNTED PORT

TOP MOUNTED PORT

standard location

alternate location

Round port bent to oval

Port Configuration and Airflow

Model RNC95

Summary of Contents for RNC10

Page 1: ...Heat Recovery Ventilators HRV Manufactured with 2 Speed RNC Electronics Installation Instructions for Heat Recovery Ventilators with 2 Speed RNC Electronics RNC Series Models RNC95 RNC155 RNC200 RNC10...

Page 2: ...in this manual The RNC circuit board also includes an interlock relay which is used to Interlock the HRV to an Air Handler Furnace Refer to Interlocking HRV Operation to an Air Handler Furnace Blower...

Page 3: ...aning or service MOTORS AND BLOWERS Each air stream has one centrifugal blower driven by a common PSC motor 2 speed fan operation FILTERS Washable air filters in exhaust and supply air streams MOUNTIN...

Page 4: ...ve film underneath Then cut the solid tabs between the slits using tin snips or side cutters and remove the knock out plate If any protective film still blocks the opening remove it now In order to ma...

Page 5: ...L TIMERS 99 132 20 Minute Fan Timer initiates high speed ventilation for 20 minutes 3 wire 20 gauge wire min 100 length 99 104 Digital Electronic Timer initiates high speed ventilation for 20 40 or 60...

Page 6: ...ion for 20 minutes 3 wire 20 gauge wire min 100 length 99 104 Digital Electronic Timer initiates high speed ventilation for 20 40 or 60 minutes 3 wire 20 gauge wire min 100 length 99 101 60 Minute Cra...

Page 7: ...h max 99 2040 20 40 ON OFF Dehumidistat Dehumidistat Dial ON OFF Switch and 20 40 Switch The 20 40 Switch will toggle from continuous low speed ventilation to intermittent low speed ventilation of 20...

Page 8: ...100 length max 99 RECIRC Recirculation Control Dehumidistat Dial ON OFF Switch and Recirculation Switch The Recirculation Switch will toggle from continuous low speed ventilation to continuous low spe...

Page 9: ...OFF Switch and 20 40 Switch The 20 40 Switch will toggle from continuous low speed ventilation to intermittent low speed ventilation of 20 minutes fan ON and 40 minutes fan OFF 4 wire 20 gauge wire m...

Page 10: ...peed ventilation to intermittent low speed ventilation of 20 minutes fan ON and 40 minutes fan OFF 4 wire 20 gauge wire min 100 length max 99 RECIRC Recirculation Control Dehumidistat Dial ON OFF Swit...

Page 11: ...IEW FOR VERTICAL MOUNT Connect drain hose to the two field installed spouts located on the bottom of the unit 9 1 8 232 mm 25 1 8 637 mm 22 559 mm HANGING STRAPS STALE AIR TO OUTSIDE FRESH AIR FROM OU...

Page 12: ...trol Features The amount of ventilation required in your home will fluctuate according to the activity level in the house Higher activity levels require more ventilation Main controls can be mounted i...

Page 13: ...ed WIDE HEAD NAILS not supplied DETAIL NOTE Front clearance of 25 inches 635 mm is recommended for servicing unit 19 483 14 3 4 375 31 787 Suspending the HRV using the Provided Hanging Straps Unit mus...

Page 14: ...top end corners mounting screws are already located on the HRV case Securely fasten the other end of the straps to the ceiling making sure the UNIT IS LEVEL The straps are designed to reduce the poss...

Page 15: ...drawn up the hose and into the fresh air supply of the HRV Drain Connections Note Secondary drain pan may be required to protect from condensate leakage Use drain spout provided in door P trap must b...

Page 16: ...d heat if required Air Duct Design and Installation A well designed and installed ducting system will allow the HRV to operate at its maximum efficiency Always try to keep duct runs as short and strai...

Page 17: ...furnace Check local codes authority having jurisdiction for acceptance HRV must be balanced Refer to Airflow Balancing in this manual WARNING RETURN AIR DIRECT CONNECTION of both the HRV SUPPLY AIR ST...

Page 18: ...speed with furnace blower ON EXHAUST AIR from various parts of home i e bathrooms if required kitchens if required Cool Air Return NOTES 1 Furnace blower is recommended to operate when HRV is on to p...

Page 19: ...cing in this manual WARNING FOUR PORT MODELS Models RNC155 RNC200 Unit is normally balanced on HIGH speed with furnace blower ON Outdoors Unit is normally balanced on HIGH speed with air handler blowe...

Page 20: ...filter Canadian building codes require that kitchen grilles be equipped with washable filters Field supplied balancing dampers should be installed external to the unit to balance the amount of stale a...

Page 21: ...r to Remote Control Devices in this manual will shut the entire system down when the remote control is in the OFF position Changing the remote control from OFF to STANDBY can be achieved by Setting th...

Page 22: ...Crank Timer Part No 99 101 Red to Red Black to Black Recirculation Control Part No 99 RECIRC Remove factory installed jumper when installing this control Remove factory installed jumper when installin...

Page 23: ...unit After the defrost period the damper operates in the opposite direction to reopen the fresh air port Defrost cycle repeats until the temperature again rises above 27 F 3 C Defrost Operation Length...

Page 24: ...stances but the actual installation may limit the amount of straight duct The Pitot tube should be connected to a magnehelic gauge or digital manometer capable of reading from 0 to 0 25 in 0 62 Pa of...

Page 25: ...pressure is released When connecting ductwork to the collar take note where screws are located Screws should be located no further than 1 2 from outside edge of collar so as not to impede operation of...

Page 26: ...tep 3 Attach tubes to balancing gauge Step 4 Place gauge on metal door gauge is equipped with a magnetic strip Ensure gauge is level plumb Step 5 Connect tubes to door ports as illustrated in step 5 r...

Page 27: ...ance the system The fresh airflow must equal the stale airflow Step 8 Repeat steps 4 to 7 as required to confirm airflows Magnehelic Door Port Balancing Kit Part No 99 206 Use the Magnehelic Gauge Kit...

Page 28: ...terface relay contacts from initializing the condenser unit This problem can occur at the thermostat because the Y terminal is connected to the G terminal internal to the stat When R and G are closed...

Page 29: ...TPD DEFROST DETAILS P1 1 2 3 4 PIN 1 RED PIN 2 ORANGE PIN 3 BLACK PIN 4 SPARE PCB PLUG IN RED BLACK PLUG IN CONNECTOR BI DIRECTIONAL DAMPER MOTOR ORANGE RED BLACK ORANGE Model RNC5 Only TO MOTORS BLUE...

Page 30: ...ontrol Box DEFROST DETAILS P1 1 2 3 4 PIN 1 RED PIN 2 ORANGE PIN 3 BLACK PIN 4 SPARE PCB PLUG IN RED BLACK PLUG IN CONNECTOR BI DIRECTIONAL DAMPER MOTOR ORANGE RED BLACK ORANGE TO MOTORS INTERFACE REL...

Page 31: ...MOTOR ORANGE RED BLACK ORANGE Model RNC5 Only 12VAC P4 N C COMMON N O TO MOTOR K1 K2 K3 K4 3 4 AMP FUSE CR1 C1 VDR1 VDR2 VDR3 AUTO TRANS T9 T8 T6 T5 T4 T3 T2 P1 SPARE FAN O P C4 C5 P5 1 8 GREEN WHITE...

Page 32: ...ed diffuser or grilles so as not to directly spill the supply air on the occupant eg over a sofa turn down the HRV supply speed A small duct heater 1kw could be used to temper the supply air placement...

Page 33: ...tops on the back of the cabinet NOTE Core will appear to stick out from cabinet approximately 1 8 3mm This is designed this way so that the access door will fit tight against the core 4 Motors Mainten...

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