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SHR 450 Heat Rec Ventilator

Side duct connection HRV, 465 cfm

Item Number: 99210

• Airflow up to 465 cfm @ 0.4" PS
• Push-pull configuration
• Removable screw terminal for easy connection
• Dual service doors & reversible electrical box
• External three position switch (Low/Standby/High)

The SHR 450 Commercial Heat Recovery Ventilation system (HRV) complements today's tight buildings.

How it works

Fantech Heat Recovery Ventilators (HRV) are designed to supply air into a building while exhausting an equal amount of contaminated air to the outside. The aluminum heat exchanger core transfers sensible energy between air streams resulting in tempering of the supply air and reduced loads on the HVAC system.

Defrost cycle

A preset defrost sequence is activated at an outdoor air temperature of 23°F and lower. During the defrost sequence, the supply blower shuts down & the exhaust blower switches to high speed to maximize the effectiveness of the defrost strategy. The unit then returns to normal operation, and continues the cycle.

Technical parameters

Frequency 60 Hz
Voltage (nominal) 120 V
Phase(s) 1~
Input current 3.92 A
MCA 6.88 A
MOP 15 A
Input power 470 W
Air flow max 219 L/s
Static pressure 100 Pa
Heat exchanger
Exchanger type Heat recovery (aluminium)
Installation placement Horizontal
Dimensions and weights
Weight 145.5 lb
Certificate CSA, AHRI
Images Wiring - SHR 450 Heat Rec Ventilator - Fantech
- Supply Temperature Net Airflow Net Effectiveness




cfm (L/s)




35 (1.7)

300 (142)




225 (106)




95 (35)

300 (142)




225 (142)



Images Dimensions - SHR 450 Heat Rec Ventilator - Fantech
A B C D E F G I J K (Drain)

29 1/2 (747)

25 1/8 (639)

14 (355)

2 1/2 (64)

8 (203)

8 (203)

35 15/16 (911)

22 11/16 (577)

32 1/2 (826)

1/2 (13)

Dimensional information is in inches (mm).


Two (2) factory balanced fans with backward curved blades. Motors come with permanently lubricated sealed ball bearings and (TOP) thermal overload protected.

Heat recovery core

Fantech manufactures this fixed plate cross-flow heat exchanger using new 1100 alloy aluminum. Heat exchanger is engineered with a turbulence inducing geometry in order to maximize heat transfer while allowing an effective evacuation of condensate. The plates are hemmed and sealed to ensure no cross-contamination of airstreams. The aluminum core had a plastic handle for easy removal. Core dimensions are 11.4" x 11.4" (290x 290 mm) with a 11.4" (290 mm) depth.


A preset frost control sequence is initiated if the outdoor temperature falls below the set point of 23°F (-5°C). During the initial stage, the supply blower shuts down & the exhaust blower switches into high speed to eliminate frost build-up in the core. The unit then returns to normal operation for the final stage of the frost control sequence at which time the sequence is repeated if the outdoor air temperatures is still below the set point.


Cores, filters and drain pan can be accessed easily from both sides of the HRV from hinged access panels. Cores conveniently slide out with only 15" (380 mm) clearance. Blowers can be accessed from both side of the HRV from fastened access panels. Blowers are easily removed by taking off the access panel and sliding the motor plates out of the HRV. A quick connect allows for fast inspection of blowers.


22 gauge galvanized steel. Baked powder coated paint.


Insulated with 1in. (25 mm) fiberglass with FSK facing for condensation control.


The exhaust and fresh air streams are protected by MERV1 washable filters constructed to meet UL 900. Optional MERV6 filters are direct replacement to the MERV1. Use of MERV6 filters will add an additional system pressure of 0.52 in.wg (130 Pa) at 450 cfm (212 l/s). Additional MERV Rated filters available upon request.


External three (3) position (Low/Stand By/High) rocker switch that will offer continuous ventilation. In addition Fantech offers a variety of external controls.


Unit may be suspended by using threaded rod, not supplied, or placed on a platform. Unit shall be adaptable for easy service of electrical components.


Limited lifetime on aluminum core, 3 years on motors, and 3 years on parts

Requirements and standards
• Complies with the UL 1812 requirements regulating the construction and installation of Heat Recovery Ventilators
• Complies with the CSA C22.2 no. 113 Standard applicable to ventilators
• Technical data was obtained from published results of test relating to AHRI 1060 Standards
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