Healthy Climate HRV Series Manuale utente

INDOOR AIR QUALITY

KIT AND ACCESSORIES

507363-02

1/2017

Supersedes 507363-01

HEALTHY CLIMATE®

HRV AND ERV VENTILATORS

INSTALLATION INSTRUCTIONS AND HOMEOWNER GUIDE FOR HEALTHY CLIMATE®

HEAT RECOVERY VENTILATOR (HRV) AND ENERGY RECOVERY VENTILATOR (ERV)

THIS MANUAL MUST BE LEFT WITH THE OWNER

FOR FUTURE REFERENCE

WARNING

Improper installation, adjustment, alteration, service or

maintenance can cause property damage, personal injury

or loss of life.

Installation and service must be performed by a licensed

professional HVAC installer (or equivalent) or a service

agency.

CAUTION

As with any mechanical equipment, contact with sharp

sheet metal edges can result in personal injury. Take

care while handling this equipment and wear gloves and

protective clothing.

Shipping and Packing List

Package 1 of 1 contains:

1 - Assembled ventilator

1 - Bag assembly containing:

2 - Drain spout assemblies (HRV units only)

1 - Drain tee (HRV units only)

4 - Hanging straps

1 - Installation instruction

1 - Warranty

1 - Wall-mounted remote control

General Information

This instruction is intended as a general guide and does not

supersede local codes in any way. Consult authorities who

have jurisdiction before installation.

HRV5-150 ERV3-150, -200

HRV3-195, -300

HRV3-095

Certain models have earned the EnErgy Star®mark by meeting strict energy

efciency guidelines set by Natural Resources Canada and the US EPA.

These models meet ENERGY STAR requirements only when used in Canada.

HRV3-150-TPD/TPF, HRV5-200-TPD

HRV3-195, -300

Table of Contents

Shipping and Packing List ..............................................1

General Information........................................................1

Model and Catalog Number Cross-References..............2

Terms and Denitions.....................................................2

Application......................................................................3

Required Tools and Materials.........................................3

Optional Accessories......................................................3

Specications .................................................................4

Dimensions - Unit - Inches (MM)....................................7

Shaping Ducting to Fit Oval Ports ..................................9

Requirements .................................................................9

Defrost Cycle (HRV).......................................................9

How the Dehumidistat Works .......................................10

Ventilation - ERV/HRV..................................................10

Wall Mount 2-Speed Dehumidistat/Ventilation

Control (Y8249) ............................................................11

Digital Five Speed / Five Mode Control (Y8250) ..........12

Optional Timers (Y2169 and Y8251) ..........................12

Wireless Repeater (Y8252) ..........................................13

Overview of Installation Methods..................................14

Installation Methods - Simplied (Return/Return).........14

Installation Methods - Partially Dedicated ....................15

Installation Methods - Fully Dedicated..........................16

Installation of the Unit...................................................17

Suspending the Unit .....................................................17

Installing the Drain Connection (HRV Unit Only)..........18

Installing Grilles and Diffusers......................................19

Installing Weatherhoods ...............................................19

Dual Hood Kit (Y3813)..................................................20

Installing Main Control..................................................21

Installation and Operation of Wireless Timers ..............21

Installation and Pairing of Wireless Repeaters

(Y8252).........................................................................22

Installation of Wired Fan Timers ...................................23

Installation of Mechanical Timers .................................23

Interlocking HRV/ERV Blower to Air Handler/

Furnace Blower ............................................................23

Electrical Connections..................................................24

Main Control Standby Setting.......................................24

Activating Dry Contact Controls....................................24

Installer Selectable High Speed Settings .....................28

Airow Balancing..........................................................28

Airow Balancing Using the Pitot Tube (All Models).....29

Airow Balancing Using the Door Ports (Available on Se-

lected Models) ..............................................................30

Sequence of Operations...............................................37

Troubleshooting............................................................40

Replacement Parts Summary.......................................41

Blower Assembly Service (Dealer Only).......................42

Homeowner Maintenance Information..........................43

Application Map - HRV/ERV Ventilators .......................44

Model and Catalog Number

Cross-References

Table 1. Models and Catalog Numbers

Model Catalog Number

ERV3-150 Y2138

ERV3-200 Y2139

HRV3-095* Y2142

HRV3-150-TPD Y5447

HRV3-150-TPD-GDX** Y6423

HRV3-150-TPF Y5448

HRV3-150-TPF-GDX** Y6424

HRV3-095-GDX*/** Y2967

HRV3-195* Y2143

HRV3-300* (Dual-Core) Y2144

HRV5-150* Y6419

HRV5-150-GDX*/** Y6420

HRV5-200-TPD Y6421

HRV5-200-TPD-GDX*/** Y6422

*These models have earned the ENERGY STAR®mark by meeting strict en-

ergy efciency guidelines set by Natural Resources Canada and the US EPA.

These models meet ENERGY STAR requirements only when used in Canada.

** Available in Canada only.

Terms and Denitions

• Defrost Mode (HRV) - to ensure reliable operation

during cold weather, the HRV will automatically cycle

through its defrost mode as needed.

• Dehumidistat - a control device that senses the amount

of moisture in the air and activates high−speed ventila-

tion when the air moisture level exceeds the set point.

• Reset - whenever resetting of the HRV/ERV is required,

simply unplug the power cord for 30 seconds. The Self-

Test will occur when the HRV/ERV is reconnected.

• Self-Test - each time the HRV/ERV is powered/ener-

gized, the self test function will automatically initiate.

During the self-test, the HRV/ERV will cycle through all

the speeds available (1 − 5), test the damper motor op-

eration, and will default back to the previous operational

mode and speed selection. Total self test duration is ap-

proximately 90 seconds.

• Standby Mode - the HRV/ERV is powered/energized

and waiting for fan operation to be initiated. For exam-

ple, the HRV is set to Continuous Ventilation Operation-

al Mode at speed 0.

• Thermistor - the HRV/ERV’s temperature sensor which

measures electrical resistance in a known manner, as

outdoor temperatures uctuate.

• HVI - Home Ventilating Institute.

• R2000 - Canada Home Building Energy Efciency

Standard.

• HRAI - Heating Refrigeration Air Conditioning Institute.

Application

The Healthy Climate®Heat Recovery Ventilator (HRV) and

Energy Recovery Ventilator (ERV) are designed to provide

fresh air while exhausting an equal amount of stale air. Re-

fer to “Application Map - HRV/ERV Ventilators” on page

44.

The HRV unit is equipped with an aluminum core. The de-

vice uses the stale air that is being exhausted to condition

the fresh air as it is being brought in.

The ERV unit is equipped with an enthalpic core. This de-

vice is designed for use in warm, humid climates with heavy

air conditioning loads. The ERV unit transfers both sensi-

ble (temperature) and latent (moisture) heat from incoming

fresh air to the stale air as it is being exhausted; thus, re-

ducing the air conditioning load. The ERV unit is not suit-

able for use in climates where the temperature drops below

25ºF (−4ºC) for more than ve days continuously.

Required Tools and Materials

Recommended Materials

Table 2. Materials

low voltage control wire mastic tape

1/2˜ I.D. drain hose caulking material

aluminum foil duct tape zip ties (duct)

fabric exible duct − class II rated zip ties

Table 3. Balancing Tools

Product Catalog Number Description

Balancing Tool Y6484 Digital Manometer with range of 0 -

4.000 inches w.c. (0 - 995 kPa)

Door Port Gauge

Tube Set Y2207

Can be used to balance HRV3-150-

TPD/TPF, HRV5-150/200 Models

Only).

Includes two connection hoses,

two rubber ttings and instructions.

Digital manometer. Rreading down

to 0 with resolution of 0.001 inches

w.c.(0.00024884 kPa) or Magnehelic

gauge - scale of 0 to 1.0 inches

w.c.(0 - to 0.24884 kPa) is not

furnished and must be eld-supplied.

Optional Accessories

Table 4. Optional Accessories

Description Catalog

Number

Wired Timer Y2169

Wireless 20/40/60 Minute Timer Y8251

Wireless Timer Repeater Y8252

Wall Mount Dehumidistat/Ventilation Control (furnished with

all units except GDX)

Y8249

Digital 5 Speed / 5 Mode Control (furnished with all GDX units) Y8250

Weatherhood Kit (includes two hoods, two screens, two 12 inch sleeves, two

collars and supply/exhaust labels):

5” (127 mm) 92E66

6” (152 mm) 95P07

7” (178 mm) 17N11

Table 4. Optional Accessories

Description Catalog

Number

Round Diffusers:

4” (102 mm) 92E54

5” (127 mm) 92E55

6” (152 mm) 92E56

8” (203 mm) 56N81

Dual Hood kit (includes hood assembly, foam gasket, duct

splitter, duct insulator, retainer screw assembly, nylon cable

tie, screens, labeled Supply/Exhaust. 6” (152 mm)

Y3813

Kitchen Grille, 6” x 10” (152 mm x 254 mm) (May be required

by code for kitchen applications; contains removable grease

lter)

18N48

Back Draft Dampers:

5” (127 mm) Y3728

6” (152 mm) Y3727

Buttery Balancing Dampers:

6” (152 mm) 91X09

7” (178 mm) Field-supplied

Duct Heaters:

6” (152 mm) 1KW 97E73

6” (152 mm) 2KW 20N16

7” (178 mm) 2KW 97E74

Specications

Table 5. Specications

Specications Single−Core HRV Units Dual−Core HRV Units Single−Core ERV Units

Model No.

HRV3

−150−TPD/-

150-TPD-GDX

(Y5447/Y6423)

HRV3-150

−TPF/-150TPF-

GDX

(Y5448/Y6424)

HRV3

−095/−095−

GDX

(Y2142/

Y2967)

HRV5

−150/−150−

GDX (Y6419/

Y6420)

HRV5

-200-TPD/-

200-TPD-

GDX (Y6421/

Y6422)

HRV3−195

(Y2143)

HRV3−300

(Y2144)

ERV3−150

(Y2138)

ERV3−200

(Y2139)

Energy Star®

qualied

(Canada Only)

No No Yes Yes Yes Yes Ye s No No

Weight- pounds

(kilograms) 51 (23) 51 (23) 52 (24) 71 (32) 57 (26) 106 (48) 106 (48) 68 (31) 68 (31)

Unit Dimensions Refer to dimension drawings starting with “Figure 1. Dimensions and Airows” on page 7.

High Speed (HVI Certied)

inches w.g. (Pa) CFM (L/s) CFM (L/s) CFM (L/s) CFM (L/s) CFM (L/s) CFM (L/s) CFM (L/s) CFM (L/s) CFM (L/s)

0.1 (25) 169 (74) 174 (82) 76 (36) 184 (87) 222 (105) 216 (101) 232 (110) 151 (71) 180 (85)

0.2 (50) 156 (69) 165 (77) 73 (34) 163 (77) 207 (98) 195 (92) 212 (100) 141 (67) 169 (79)

0.3 (75) 149 (63) 154 (73) 70 (33) 146 (69) 193 (91) 181 (85) 202 (95) 132 (62) 157 (74)

0.4 (100) 136 (59) 143 (67) 66 (31) 132 (62) 179 (84) 158 (74) 183 (86) 124 (59) 146 (69)

0.5 (125) 126 (54) 132 (62) 60 (28) 115 (54) 165 (78) 144 (68) 163 (77) 107 (50) 132 (62)

0.6 (150) 116 (49) 120 (56) 92 (43) 150 (71) 125 (59) 144 (68) 98 (46) 118 (55)

0.7 (175) 103 (45) 107 (521) 60 (28) 135 (63) 107 (50) 123 (58) 81 (38) 101 (47)

0.8 (200) 89 (40) 95 (45) 119 (56) 72 (34) 92 (43) 60 (28) 82 (39)

0.9 (225) 77 (33) 83 (39) 102 (49)

1.0 (250) 58 (29) 71 (34) 84 (40)

Sensible

Effectiveness

@ 32ºF (0ºC)

@ 66 CFM (31

L/s) 74%

@ 66 CFM (31

L/s) 75%

@ 60 CFM

(28

L/s) 88%

@ 59 CFM (28

L/s) 84%

@ 100 CFM

(47 L/s) 77%

@ 114 CFM

(54 L/s) 86%

@ 117

CFM (55

L/s) 90%

@ 63 CFM

(30 L/s)

81%

@ 116

CFM (55

L/s) 76%

Sensible

Efciency

@ 32ºF (0ºC)

@ 66 CFM (31

L/s) 61%

@ 66 CFM (31

L/s) 66%

@ 60 CFM

(28

L/s) 75%

@ 59 CFM (28

L/s) 75%

@ 100 CFM

(47 L/s) 68%

@ 114 CFM

(54 L/s) 78%

@ 117

CFM (55

L/s) 79%

@ 63 CFM

(30 L/s)

69%

@ 116

CFM (55

L/s) 69%

Sensible

Efciency

@ −13ºF (−25ºC)

@ 76 CFM

(31 L/s) 63%

@ 76 CFM

(30 L/s) 56%

@ 61 CFM

(29

L/s) 68%

@ 64 CFM (30

L/s) 72%

@ 100 CFM

(47 L/s) 68%

@ 112 CFM

(53 L/s) 72%

@ 132

CFM (62

L/s) 70%

N/A N/A

Latent Efciency

95ºF (35ºC) N/A N/A N/A N/A N/A N/A N/A

@ 65 CFM

(30 L/s)

37%

@ 117

CFM (55

L/s) 41%

Total Efciency

95ºF (35ºC) N/A N/A N/A N/A N/A N/A N/A

@ 65 CFM

(30 L/s)

47%

@ 117

CFM (55

L/s) 50%

Number of

speeds available

with included wall

control

2/5* 2/5* 2/5* 2/5* 2/5* 2 2 2 2

Number of

speeds available

with optional wall

control (Control

is furnished with

all GDX models)

5 5 5 5 5 5 5 5 5

Ventilator Type Heat

Recovery

Heat

Recovery

Heat

Recovery

Heat

Recovery

Heat

Recovery

Heat

Recovery

Heat

Recovery

Energy

Recovery

Energy

Recovery

Heat/Energy

Recovery Core Aluminum Aluminum Aluminum Aluminum Aluminum Aluminum Aluminum Enthalpic Enthalpic

Number of HRV/

ERV Cores 1 1 1 1 1 2 2 1 1

Defrost Type Recirculating Fan Recirculating Recirculating Recirculating Damper Damper None None

Door Port

Balancing Yes Yes No Yes Yes No No No No

Balancing

Damper in

Supply &

Exhaust Collar

Yes Yes No Yes Yes No No Yes Ye s

Number of Ports 4 4 4 4 4 5 5 4 4

NOTE: All specications are subject to change without notice.

* For GDX models only

Table 5. Specications

Specications Single−Core HRV Units Dual−Core HRV Units Single−Core ERV Units

Model No.

HRV3

−150−TPD/-

150-TPD-GDX

(Y5447/Y6423)

HRV3-150

−TPF/-150TPF-

GDX

(Y5448/Y6424)

HRV3

−095/−095−

GDX

(Y2142/

Y2967)

HRV5

−150/−150−

GDX (Y6419/

Y6420)

HRV5

-200-TPD/-

200-TPD-

GDX (Y6421/

Y6422)

HRV3−195

(Y2143)

HRV3−300

(Y2144)

ERV3−150

(Y2138)

ERV3−200

(Y2139)

Pre-Filters

(Foam) Supply &

Exhaust

Yes Yes Yes Yes Yes Yes Yes Yes Ye s

Wall Controller

Included Y8249/Y8250* Y8249/Y8250*/ Y8249/

Y8250* Y8249/Y8250* Y8249/

Y8250* Y8249 Y8249 Y8249 Y8249

Electrical

Characteristics 120 Volts, 60 Hertz, 1 phase

Fan HP 1/20 1/20 1/20 1/10 1/10 1/10 1/4 1/20 1/10

Motor Type PSC PSC PSC PSC PSC PSC PSC PSC PSC

Fan Watts − High

Speed

@ 0.3 inches

w.g.

110 118 150 118 96 173 333 173 182

Fan Watts − Low

Speed

@ 0.3 inches

w.g.

57 66 60 66 64 100 150 63 70

Amp Rating 1.3 1.4 0.9 1.4 1.4 1.5 2.9 1.4 1.4

Condensate

Drain

Connections:

Spouts: qty. 2

(1/2” o.d.) Drain

Tee: qty. 1 (1/2”

o.d.)

Yes Yes Yes Yes Yes Yes Yes N/A N/A

NOTE: All specications are subject to change without notice.

* For GDX models only

Table 6. Additional Specications

Specications Single−Core HRV Units Dual−Core HRV Units Single−Core ERV Units

Model No.

HRV3

-150-TPD/-

150-TPD-

GDX

(Y5447/

Y6423)

HRV3-150

−TPF/-150-

TPF-GDX

(Y5448/

Y6424)

HRV3

−095/−095−

GDX

(Y2142/

Y2967)

HRV5

−150/−150−

GDX

(Y6419/

Y6420)

HRV5

-200−TPD/-

200−TPD−

GDX

(Y6421/

Y6422)

HRV3−195

(Y2143)

HRV3−300

(Y2144)

ERV3−150

(Y2138)

ERV3−200

(Y2139)

OPTIONAL FAN CURVES SPEEDS (FACTORY TESTED)

Speed 4−med high

inches w.g. (Pa) CFM (L/s) CFM (L/s) CFM (L/s) CFM (L/s) CFM (L/s) CFM (L/s) CFM (L/s) CFM (L/s) CFM (L/s)

0.1 (25) 70 (33) 153 (72) 189 (89) 167 (78) 220 (103) 120 (56) 151 (71)

0.2 (50) 65 (31) 141 (67) 170 (80) 159 (75) 202 (94) 111 (52) 147 (69)

0.3 (75) 50 (24) 131 (62) 153 (72) 150 (71) 186 (87) 103 (48) 129 (61)

0.4 (100) 101 (48) 101 (48) 31 (15) 117 (55) 136 (64) 140 (66) 169 (79) 92 (43) 118 (55)

0.5 (125) 91 (43) 91 (43) 96 (45) 120 (57) 124 (58) 158 (74) 80 (38) 104 (49)

0.6 (150) 82 (39) 82 (39) 80 (38) 106 (50) 110 (52) 134 (62) 64 (30) 89 (42)

0.7 (175) 69 (33) 69 (33) 91 (43) 93 (44) 108 (50) 43 (20) 63 (30)

0.8 (200) 60 (28) 60 (28) 78 (37) 79 (37)

Speed 3−med

0.1 (25) 65 (31) 144 (68) 161 (76) 142 (67) 194 (91) 97 (46) 133 (63)

0.2 (50) 60 (28) 130 (61) 141 (67) 136 (64) 178 (83) 87 (41) 130 (61)

0.3 (75) 92 (43) 92 (43) 48 (23) 120 (57) 123 (58) 127 (60) 170 (79) 81 (38) 124 (58)

0.4 (100) 82 (39) 82 (39) 30 (14) 106 (50) 108 (51) 118 (55) 154 (72) 72 (34) 114 (54)

0.5 (125) 71 (34) 71 (34) 88 (42) 92 (43) 103 (48) 139 (65) 61 (29) 104 (49)

0.6 (150) 60 (28) 60 (28) 77 (36) 92 (43) 118 (55) 53 (25) 94 (44)

0.7 (175) 64 (30) 72 (34) 94 (44) 80 (38)

0.8 (200) 52 (25)

Speed 2−med low

NOTE: All specications are subject to change without notice.

Table 6. Additional Specications

Specications Single−Core HRV Units Dual−Core HRV Units Single−Core ERV Units

Model No.

HRV3

-150-TPD/-

150-TPD-

GDX

(Y5447/

Y6423)

HRV3-150

−TPF/-150-

TPF-GDX

(Y5448/

Y6424)

HRV3

−095/−095−

GDX

(Y2142/

Y2967)

HRV5

−150/−150−

GDX

(Y6419/

Y6420)

HRV5

-200−TPD/-

200−TPD−

GDX

(Y6421/

Y6422)

HRV3−195

(Y2143)

HRV3−300

(Y2144)

ERV3−150

(Y2138)

ERV3−200

(Y2139)

0.1 (25) 62 (29) 127 (60) 127 (60) 115 (54) 170 (79) 73 (34) 112 (53)

0.2 (50) 81 (38) 81 (38) 54 (25) 116 (55) 108 (51) 107 (50) 163 (76) 67 (31) 107 (50)

0.3 (75) 70 (33) 70 (33) 42 (20) 106 (50) 90 (42) 100 (47) 151 (70) 59 (28) 101 (47)

0.4 (100) 60 (28) 60 (28) 26 (12) 97 (46) 73 (34) 90 (42) 136 (63) 51 (24) 96 (45)

0.5 (125) 46 (22) 46 (22) 86 (40) 60 (28) 81 (38) 129 (60) 45 (21) 88 (41)

0.6 (150) 48 (22) 66 (31) 107 (50) 77 (36)

0.7 (175) 38 (18) 88 (41) 60 (28)

0.8 (200)

Speed 1−low

0.1 (25) 51 (24) 108 (51) 100 (48) 88 (41) 144 (67) 53 (25) 88 (41)

0.2 (50) 61 (29) 61 (29) 45 (21) 100 (47) 78 (37) 80 (38) 137 (64) 44 (21) 85 (40)

0.3 (75) 49 (23) 49 (23) 33 (16) 91 (43) 60 (28) 73 (34) 134 (62) 38 (18) 80 (38)

0.4 (100) 35 (17) 35 (17) 18 (8) 78 (37) 46 (22) 63 (30) 121 (56) 32 (15) 77 (36)

0.5 (125) 32 (15) 56 (26) 110 (51) 67 (31)

0.6 (150) 43 (20) 95 (44)

0.7 (175) 84 (39)

0.8 (200)

OPTIONAL ACCESSORIES−MUST BE ORDERED EXTRA

Backdraft

Damper 5” Y3728 Y3728 Y3728 N/A N/A N/A N/A N/A N/A

Backdraft

Damper 6” N/A N/A N/A Y3727 Y3727 Y3727 Y3727 Y3727 Y3727

Buttery

Damper, 6” N/A N/A 91X09 Included in

the unit N/A N/A N/A Included in

the unit

Buttery

Damper, 7” N/A N/A N/A N/A N/A Field Supplied N/A N/A

Insulated

Flexible Ducting:

(Qty Req’d) ˘Dia.

(2) 5 (2) 5 (2) 5 (2) 6 (2) 6 (2) 6 (2) 6 (2) 6 (2) 6

COMMON ACCESSORIES − AS REQUIRED, BASED ON USER APPLICATION

Door Port

Balancing Kit

(same kit w/o

Gauge)

Y2207

Digital Handheld

Manometer Y6484

Magnehelic

Gauge only

(0-0.25”)

N/A N/A 79P83

Pitot Tube

Balancing Kit N/A N/A 56N82

Pitot Tube only 72X52

Repeater for

Wireless

Timers

Y8252

NOTE: All specications are subject to change without notice.

Dimensions - Unit - Inches (MM)

HRV3-095 HEAT RECOVERY VENTILATOR

THREADED INSERTS

(4) at corners

FILTER

(in back

chamber)

18-1/2 (470)

FRESH AIR

TO INSIDE

(Supply)

6 in. (178 mm)

round

(converted to

oval collar)

STALE AIR TO

OUTSIDE (Exhaust)

5 in. (127 mm) round

collar

STALE AIR FROM

INSIDE (Exhaust)

6 in. (178 mm) round

(converted to oval) collar

supplied

FRESH AIR

FROM

OUTSIDE

(Supply)

5 in. (127 mm)

round collar

HANGING STRAPS (4)

DRAIN

SPOUT

DRAIN

PAN

CORE

24-1/2

(622)

(406)

18-1/2

(470)

18 in. (457 mm)

(min.) required for

service access

TOP VIEW

FRESH

AIR

FROM

OUTSIDE

FRESH

AIR TO

INSIDE

STALE

AIR TO

OUTSIDE

STALE

AIR

FROM

INSIDE

DIVIDER PANEL

(each side)

FILTER

(in front

chamber)

BDC

CORE

HRV5-150 HEAT RECOVERY VENTILATORS

19 (483)

NOTE - Front clearance of

25 in. (635 mm)

is recommended

for servicing unit

14-3/4 (375)

HRV3-195, HRV3-300 HEAT RECOVERY VENTILATORS

19 (483)

14-3/4 (375)

NOTE - Front clearance of

25 in. (635 mm)

is recommended for

servicing unit

NOTE: DRAWING DEPICTS HRV3-300; MODEL

HRV3-195 MOTOR IS AT TOP BLOWER

DEFROST

DAMPER

DEFROST AIR

FROM INSIDE

FILTER

CONDENSATE DRAINS

FRESH

AIR TO

INSIDE

STALE AIR

FROM

INSIDE

BLOWER

FRESH

IR FROM

OUT SIDE

MOTOR (SEE

NOTE BELOW)

CORE

FILTER

CORE

STALE

AIR TO

OUTSIDE

49 (1245)

BLOWER

Blower Duct

Connections

7 in. (178 mm)

Duct

Connections

6 in. (152 mm)

RECIRCULATING

DEFROST

DAMPER

FILTERS

STALE AIR FROM INSIDE

CONDENSATE

DRAINS BALANCING

DAMPER

FRESH

AIR TO

INSIDE

STALE

AIR TO

OUTSIDE

NOTE - All Duct Connections

6 in. (152 mm)

FRESH AIR FROM OUTSIDE

MOTOR

BALANCING DAMPER

33-5/8 (854)

BLOWER

CORE

HRV3-150-TPD/TPF HEAT RECOVERY VENTILATORS

FRESH AIR

FROM

OUTSIDE

STALE

AIR FROM

INSIDE

FRESH

AIR TO

INSIDE

STALE

AIR TO

OUTSIDE

DEFROST

DAMPER

(TPD Model Only)

BLOWER BLOWER

NOTE − Front clearance of

25 inches (635 mm) is

recommended for servicing unit

(356)

17-1/4

(438)

All duct connections are elliptical collars

for use with 5 in. (125 mm) ductwork.

Balancing Dampers are located on all collars.

22-3/4

Figure 1. Dimensions and Airows

18-3/4

(476)

All ducts use 6 in. (150 mm) oval collars,

balancing dampers are located on all collars.

BLOWER

NOTE − Front clearance of

25 in. (635 mm) is

recommended for servicing unit

(356)

33-5/8 (854)

FRESH AIR

FROM

OUTSIDE

STALE

AIR FROM

INSIDE

FRESH

AIR TO

INSIDE

STALE

AIR TO

OUTSIDE

RECIRCULA

TING

DEFROST

DAMPER

CONDENSATE

DRAINS

CORE

FILTERS

BLOWER

HRV5-200-TPD HEAT RECOVERY VENTILATORS

Figure 2. HRV5-200-TPD

ERV3-150, ERV3-200 ENERGY RECOVERY VENTILATORS

FILTER

STALE AIR

FROM INSIDE

BALANCING

DAMPER

FRESH

AIR TO

INSIDE

STALE

AIR TO

OUTSIDE

BLOWER

All Duct Connections

6 in. (152 mm)

FRESH AIR

FROM OUTSIDE CORE

BALANCING DAMPER

NOTE - Front clearance of

25 in. (635 mm) is

recommended for

servicing unit

33-5/8 (854)

BLOWER

MOTOR

FILTER

14-3/4 (375)

19 (483)

Figure 3. ERV-3-150 and ERV3-200

8-1/4 (210)

13 (330)

25 (635)

8 (203)

6 (152)

21-1/2 (546)

TOP VIEW

SIDE VIEW

6 (152)

5 (127)

6 (152)

Figure 4. Dual Hoods

Shaping Ducting to Fit Oval Ports

The HRV3-095, HRV3-150TPD, HRV3-150TPF and HRV5-

200TPD units have oval supply and return ports. This en-

ables these units to be as space efcient as possible. Cir-

cumference of the port remains the same as round ducting.

Simply bend a standard duct tting to the correct shape

and attach to the oval port using the same method as for a

round port.

Figure 5. Shaping Ducting to Fit Oval Ports

Requirements

The following appliances should not be connected to the

HRV/ERV unit:

• Clothes dryer

• Range top

• Stove top fan

• Central vacuum system

NOTE: Failure to follow this instruction will void the HRV/

ERV unit warranty.

DANGER

Risk of Carbon Monoxide Poisoning and/or Explosion.

Can cause injury or death.

Combustion and ue gases from heating appliances must

never be allowed to enter living spaces.

HRV/ERV unit must be properly balanced (see page 30

or 32) to prevent negative pressure in structure. Negative

pressure can cause back−drafting of combustion gases

in other household appliances such as Gas Furnaces, Oil

Furnaces, Hot Water Heaters, Wood Stoves, Fireplaces,

etc.

(5-Port HRV models only) Defrost cycles will cause

negative pressure in equipment room. Install ductwork

and route to areas that do not contain appliances with

vented combusted gases. Never connect a return or

supply duct to other heating units such as replaces,

wood stoves.

CAUTION

Potential equipment malfunction or damage.

May require repairs and/or void warranty.

Do not interconnect HRV/ERV to other appliances such

as Stove Vents, Clothes Dryer Vents, Central

Vacuum Systems, Auxiliary Fans, etc.

Defrost Cycle (HRV)

The HRV has an electronically controlled defrost system.

The defrost cycle is activated when the outdoor tempera-

ture drops below 27ºF (−3ºC). Incoming fresh air is mea-

sured to set the defrost times and the run times while in the

defrost mode. The three defrost settings are:

• At 27ºF (−3ºC) HRV runs in defrost for three minutes

and runs in ventilation for 25 minutes

• At −4ºF (−20ºC) HRV runs in defrost for 4.5 minutes and

runs in ventilation for 17 minutes

• At −31ºF (−35ºC) HRV runs in defrost for 7 minutes and

runs in ventilation for 15 minutes

No remote device can override this defrost mode or select-

ed speed until the cycle is complete. After the cycle is com-

pleted the HRV defaults to previous settings. If the cycle

is completed and the thermistor continues to measure de-

frost temperature the defrost cycle is repeated. ERVs have

no defrost cycle and are not recommended where outdoor

temperatures fall below 25ºF (−4ºC) continuously for more

than ve days.

Recirculating Damper Defrost (HRV3−095, HRV3−150−

TPD, HRV5−150, HRV5-200-TPD)

During defrost a motor driven damper door mechanism

closes off the supply air from outside allowing exhaust air to

recirculate through the unit’s core. During defrost cycle no

ventilation is occurring. After the defrost period, the damp-

er operates in the opposite direction to reopen the fresh

air port. Defrost cycle repeats until the temperature rises

above 27ºF (−3ºC).

Damper Defrost − Five Port Models (HRV3−195/300)

- During defrost a motor driven damper door mechanism

closes off the supply air from outside allowing a fth port to

open enabling warm air to be drawn in from around the unit.

During defrost cycle stale air exhaust is still occurring. After

the defrost period, the damper operates in the opposite di-

rection to reopen the fresh air port. Defrost cycle re-peats

until the temperature rises above 27ºF (−3ºC). (The defrost

port can also be ducted to another location.)

Fan Defrost (HRV3−150−TPF) - During defrost cycle, the

Fresh Air supply motor will shut off and the Stale Air ex-

haust motor will continue to run. After the defrost period, the

Fresh Air supply motor will resume. Defrost cycle repeats

until the temperature rises above 27ºF (−3ºC).

How the Dehumidistat Works

High indoor humidity levels, during the heating season, have

become a problem in many well insulated, tight homes. Ex-

cessive condensation on the windows is a visual sign of

high indoor humidity levels. High indoor humidity levels can

result in mold, mildew and the eventual degradation of the

building structure itself.

Your HRV reduces indoor humidity levels when the outdoor

air is drier than the indoor air.

These conditions usually occur during the heating season

when outdoor temperatures are less than 59°F (15°C) .

During the heating season, the operation of the HRV may

reduce indoor humidity levels sufciently to eliminate the

need for further dehumidication. Use the adjustable Dehu-

midistat feature located on the main control if your home re-

quires further dehumidication during the heating season.

This feature aggressively addresses high indoor humidity

levels by initiating high speed ventilation when the indoor

humidity levels rise above the set point on the control. Once

the humidity in the house is reduced, the HRV will revert

back to its previous setting.

We suggest operating the HRV for the rst few days without

use of the Dehumidistat function to observe if a further de-

humidication effect will be required.

The Dehumidistat operates in percentage of RH (relative

humidity) with 60 being high and 20 being low. If after a few

days, further dehumidication is required (the house is still

too humid), set the humidity level to a lower amount.

The average person is comfortable between 30% and 50%

RH. The Dehumidistat should be set to OFF for all seasons

except the heating season since a dehumidifying effect only

occurs when the outdoor air is dryer than the indoor air.

Dehumidistat Notes

Dehumidistat Disable automatically disables the dehumid-

istat function on the main control when outdoor tempera-

tures exceed 59°F (15°C) for a full 24 hour period. All other

HRV features and functions operate normally while the De-

humidistat Function is disabled.

Dehumidistat Re-Enable automatically re-enables the de-

humidistat function when the outdoor temperature drops

below 59°F (15°C) for a full 24 hour period or if the HRV is

reset (unplugged for 30 seconds).

Ventilation - ERV/HRV

Today’s modern, air tight homes require fresh outdoor air to

maintain a healthy indoor air environment. The amount of

ventilation required in a home depends upon:

• The number of occupants and their activity levels

• The way the home was built

• Personal preferences for air

The HRV/ERV introduces fresh air to your home while re-

covering energy from the air it exhausts. Specically, an

HRV/ERV that is properly installed, operated, and main-

tained will:

• Exhaust stale, contaminated air

• Introduce an equal amount of fresh outdoor air Recover

the majority of the energy from the exhausted stale air

• Use the recovered energy to pre-heat or pre-cool out-

side air that is drawn into the house

• Distribute the fresh air throughout the house

How much ventilation is needed?

During seasons when windows and doors are closed (win-

ter and summer, if air conditioned) the HRV/ERV should be

set to operate continuously on low speed with the option of

going to high speed as the need arises. For example, if a

large number of people are present in the home, the unit

should be switched temporarily to high speed. Conversely,

when the home is unoccupied, an intermittent operational

mode (e.g. 20 minutes on / 40 minutes off) may be used.

Selecting the Ventilation Rate That is Right for You.

The modes of operation and speeds are used to adjust your

indoor ventilation rate. Experiment with the ventilation lev-

els in your home to evaluate the ideal amount of ventilation

to suit your home and personal preferences. Operational

modes available to you will depend on the main control that

is installed. Some features and modes may be unavailable

to you.

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