NU0820

  • Indoor/Outdoor
  • Double wall construction
  • Two DWDI belt drive blowers
  • Motors – TEFC (0.5 to 1.5 HP)
  • Voltages – 208/1 to 600/3
  • OA/EA Damper Options
  • VFD optional

Description

Specifications

Air Flow Range Size LxHxD Weight
CFM (L/S) in (mm) lb (kg)
800 – 2000
375 – 945
53 x 57 x 46
(1346 x 1448 x 1170)
780
(355)
Core
Duct Size
Defrost Type
Effectiveness
Sensible
in (mm)
Polypropylene 24 x 12
(610 x 305)
None
FSD
Recirculation
Face & By-pass
63-65%

 

Certifications

  • All units conform to CSA SPE1000 and AHRI 1060.

 

 

 

Defrost Recommendations*

TYPE WINTER DESIGN TEMP. FACTORY DEFAULT TIMING**
°C °F RUN DEFROST
0 – NONE > -5 > 23 n/a n/a
1 – FAN SHUT-DOWN > -10 > 14
2 – TIMED FAN SHUT-DOWN > -15 > 5 60 min. 10 min.
3 – RECIRCULATION > -15 > 5 60 min. 10 min.
4 – FACE & BYPASS Uninterrupted ventilation and free cooling.

*notwithstanding other design considerations such as building pressure, preheat, delivered air temp., etc.

**Field adjustable.

  1. Supply fan shuts off when EA 0C (32F). Normal operation resumes when EA is 8C (47F).
  2. Supply fan shuts off for defined time when OA is nominal 0C (32F).
  3. Non-negative pressure defrost when EA is nominal 0C (32F).
  4. Heat exchanger bypassed in a temperature activated cycle.

 

 

WARRANTY

  • Nu-Air warrants its Compliant Series HRV’s for two (2) years on all electrical components including motors, circuit boards, transformers, switches, etc. There is a fifteen (15) year warranty on polypropylene HRV (sensible) cores and a and five (5) year warranty on ERV (latent) cores.