Nu-Air Ventilation Systems Inc. - HRV Operating &Installation Manual
Rev October 10, 2010 - 8 -
Installation Supplies, Standard Issue Items:
The HRV comes equipped with:
Filters
Anti-Vibration Straps
Heat Recovery Core
Drain Hose Assembly
Balancing dampers are NOT REQUIRED. ES Series
HRVs from Nu-Air are equipped with a system which
allows the installer to adjust each motor in both high and
low speed.
Connections for timers, remote controls, furnace
interlock. A 4-wire and a 10-wire removable wiring block
are provided with the unit. To use these, gently remove the block from the HRV, fit the wire into
place and secure it in its trap, using a fin-tipped flat-headed screwdriver.
3.2.4. Control Options (sold separately)
The ES Series offers a wide range of control options to suit any lifestyle or preferred usage. The ES
Series line of digital touch-pad controls come with wall plate and all fasteners used to fix them into a
standard residential wall box.
ES Series Digital Controls
ES-T1: 20, 40, 60 minute timer
ES-M1: Off, Standby, Low, High
ES-M2: Off, Standby, Low, 20
min. Low/40 min. Standby
ES-M3: Off, Standby, Low, 20
min. Low/40 min. Recirculation
ES Series controls can be used in any combination and in virtually any number, and can be wired in
series or in parallel. The user may toggle through and select any function, even if this interrupts a
current mode or cycle.
Windsor Series Controls
Windsor standard mechanical dehumidistat (DSTAT-1)
Windsor mechanical control (WIN-1)
Windsor 20 minute timers—up to 6 each system (WIN-20)
Mix and Match Controls
Because the ES Series circuit board is equipped with separate, removable terminal blocks to
accommodate both ES Series and Windsor Series controls, both types of controls may be used in the
same installation. Details for combining ES and Windsor Series controls are covered in Section 4 of this
document.
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