Heat Recovery Ventilator
Introducing the NEW SHR series of Heat Recovery
Ventilators (HRV) by Robertshaw. As with previous designs,
incoming fresh outdoor air is filtered before it is heated by
the stale outgoing air through a polypropylene heat recovery
core. The HRV then distributes the preheated fresh filtered
air throughout the home by direct ductwork installed
specifically for the HRV or through the ductwork of a forced-
air system.
NEW FEATURES:
• Compact Design
• Electrostatic Filters (washable)
• Airflow Balancing Using Robertshaw's Easy "TRUE" Motor
Adjustment
• External Screw Type Dry Contacts For Push Button
Timers (RTS 2), Dehumidistat (MDEH 1), Crank Timer (FD
30M) & EDF5 (5MR) Intellitek control.
• Easy Core Guide Channels For Removing Core
• Better Packaging For More Protection In Shipping
• Models with "D" in the name (SHRD) have access doors on
2 sides of the cabinet for multiple installation
arrangements.
OPTIONAL CONTROLS
• EDF 5
– Digital Multi-Function Control
• MDEH 2 – Mechanical Low Voltage Dehumidistat with
On/Off Switch
• MDEH 1 – Mechanical Low Voltage Dehumidistat
• RTS 2
– 15 Minute Push Button Timer
• FD 30M – 30 Minute Crank Timer
• AQS 1
– Air Quality Sensor
External screw type dry contacts (provided)
7604 Series
7604-001, 7604-002
SPECIFICATIONS
CASE 22 gauge galvanized steel on the 7604-002 & 24
gauge galvanized steel on the 7604-001. Baked powder
coated paint, antique white. Insulated with 1" (25 mm) high
density polystyrene foam to prevent condensation and meet
the requirements of the Underwriters Laboratories 94HF.
MOTORS Two (2) German-manufactured, factory-balanced
ebm™ motors with backward curved blades. Motors come
with permanently lubricated sealed bearings guarantee long
life and maintenance-free operation. Seven (7) year
warranty.
CORE A polypropylene heat recovery core configured for an
efficient cross-flow ventilation. Core is 9" x 9" (229 x 229
mm) with a 15" (380 mm) depth {7604-001} or 12" x 12"
(305 x 305 mm) with a 15" (380 mm) depth {7604-002}.
Cores are manufactured to withstand extreme temperature
variations.
FILTERS Two (2) Washable Electrostatic Panel Type Air Filters,
7604-001 is 8.5" (216mm) x 15" (380mm) x 0.125" (3mm),
7604-002 is 11.75" (298mm) x 15" (380mm) x 0.125" (3mm).
CONTROLS External three (3) position (Low/Stand
By/Medium) rocker switch that will offer continuous
ventilation.
DEFROST A preset 5 minute defrost sequence is activated at
an outdoor air temperature of 23˚F (-5˚C) and lower.
During the defrost sequence, its mechanism uses a
motorized damper to temporarily block the incoming fresh
air stream allowing the warm air from the home to circulate
through the HRV. The exhaust blower shuts down & the
supply blower switches into high speed to maximize the
effectiveness of the defrost strategy.
The unit then returns to normal operation for 25 minutes,
and continues cycle.
SERVICEABILITY Core, filters, motors and drain pan can be
easily serviced through latched access door. Core
conveniently slides out with ease on an improved railing
system. Electrical box, placed on the outside of the unit, can
also be easily accessed.
3