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Engineering Data - HRV Model RNC20
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SP-RNC20
THERMALLY CONDUCTIVE, PATENTED ALUMINUM CORE
The cross-flow heat recovery core transfers heat between the two air streams.
It is easily removed for cleaning 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.
MOUNTING THE HRV
Four threaded inserts at corners of case designed to accept four PVC reinforced
polyester straps that are supplied with the unit.
DEFROST
Damper defrost system; defrosts automatically as the outdoor temperature falls.
CASE
Twenty gauge prepainted galvanized steel (G60) for superior corrosion resistance. Insulated to prevent
exterior condensation. Drain connections two - 1/2" (12mm) OD.
WEIGHT 63 lbs. (28.7 kg) SHIPPING WEIGHT 67 lbs. (30.4 kg)
CONTROLS - HRV System Control
HRV defaults to LOW SPEED when plugged in. HIGH SPEED option is accessible by connecting remote
controls to designated terminals inside electrical box of HRV.
Standard LOW SPEED SETTING can be increased to medium low.
Off (Standby)/Low or OFF/HIGH speed operation is also available.
OPTIONAL MAIN CONTROLS (only one main control can be installed on the system)
99-116 Dehumidistat Ventilation Control - Dehumidistat Dial, ON/OFF Switch and LOW/HIGH
Switch (3 wire) 20 gauge wire (min.) 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 speed recirculation. (4 wire) 20 gauge wire (min.) 100' length (max.)
99-130 Remote Dehumidistat - Dehumidistat Dial only. (2 wire) 20 gauge wire (min.) 100' length
(max.)
OPTIONAL 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 minutes, (3
wire) 20 gauge wire (min.) 100' length
99-101 60 Minute Crank Timer - initiates high speed ventilation for up to 60 minutes, (2 wire)
20 gauge wire (min.) 100' length (max.)
WARRANTY
Units carry a lifetime warranty on the heat recovery core and a 5 year replacement parts warranty.
33-5/8"
STALE AIR
TO OUTSIDE
FRESH AIR
FROM OUTSIDE
STALE AIR
FROM INSIDE
FRESH AIR
TO INSIDE
CONDENSATE DRAINS
BLOWERS
DEFROST
DAMPER
DEFROST
PORT
*All Duct
Connections
6"(150mm)
FILTERS
*NOTE:
Front clearance of
25 inches (635 mm)
is recommended
for servicing unit.
19"
(483)
14 3/4"
(375)
BALANCING DAMPER
Dimensions
RNC20
inches (mm)
*SensibleEfficiency -thermal **Latent Efficiency-moisture
Note: Effectiveness - based on temp. differential between the 2 airstreams
Efficiency - takes into account all power inputs
Performance (HVI certified)
Netsupply airflow incfm (L/s)againstexternal staticpressure
E.S.P
(external static pressure) [cfm (L/s)]
@ 0.1" (25 Pa) 214 (101)
@ 0.2" (50 Pa) 206 (97)
@ 0.3" (75 Pa) 193 (91)
@ 0.4" (100 Pa) 184 (87)
@ 0.5" (125 Pa) 170 (80)
@ 0.6" (150 Pa) 155 (73)
@ 0.7" (175 Pa) 137 (65)
Max. Temperature Recovery 69%
Sensible Effectiveness
@ 119 cfm (56 L/s) 32°F (0°C) 67%
*Sensible Efficiency
@ 119 cfm (56 L/s) 32°F (0°C) 60%
*Sensible Efficiency
@ 117 cfm (55 L/s) -13°F (-25°C) 60%
VAC @ 60HZ 120
WATTS / Low speed. 70
WATTS / High speed 182
Amp rating 1.4
1
2
3
20
40
60
80
100
120
140
160
180
200
220
240
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
Static Pressure (in w.g.)
Air Flow (cfm)
3 - High Speed
*2 - Medium Low Speed
*1 - Low speed
*Manufacturer’s data