Broan HRV90H Service Manual download pdf (Page 21)

WARNING

• Risk of electric shocks. Before performing any maintenance or servicing, always disconnect the unit from its power source.

• This product is equipped with an overload protection (fuse). A blown fuse indicates an overload or a short-circuit situation.

If the fuse blows, unplug the product and check the polarity and voltage output from the outlet. Replace the fuse as per the

servicing instructions (refer to wiring diagram for proper fuse rating) and verify the product. If the replaced fuse blows, it may

be a short-circuit and the product must be discarded or returned to an authorized service center for examination and/or repair.

NOTE 4

WALL CONTROL

OVERRIDE SWITCH

OVERRIDE LED

FURNACE BLOWER

INTERLOCK

NOTES 1, 5

NOTE 5

OPTIONAL

NOTES 5, 6

OPTIONAL

123

456789

NEUTRAL

MEDIUM

HIGH

LOW

(NOTE 2)

DAMPER

MOTOR

MAIN EARTHING

POINT

DEFROST

TEMPERATURE

SENSOR

JU1

ABCDEFG

FF IOCOLYRGB

ELECTRONIC ASSEMBLY

COM

120V 60 Hz

NEMA-15P

5-15 PLUG

DOOR INTERLOCK

SWITCH S1

NEUTRAL

LINE

VE0037A

-t

NOTE 7

8. WIRING DIAGRAMS

Models: 1001 ERV, 1001 HRV, 2001 ERV,

2001 HRV, ERV100HC, ERV200HC

Connection

Logic

RELAY

FAN

MOTOR

DAMPER

MOTOR

NEUTRAL

MED

HIGH

LOW

J1 6

J1 3

J1 4

J1 9

RELAY

J3 1

J3 2

FURNACE BLOWER INTERLOCK

CLASS 2 CIRCUIT ONLY

ELECTRONIC ASSEMBLY

120V 60Hz

FROM MAIN

J1 2

J1 1

J1 8

VE0018A

NOTES

1- Controls available. See Section 7 (Low voltage only,

12 VDC).

2- The factory set wiring for blower speed selection is

high and low. Medium speed can be selected instead

of low speed. Disconnect the RED wire from the motor

RED tap and connect it to the motor BLUE tap.

3- If any of the original wire, as supplied, must be

replaced, use the same or equivalent wire.

4- Use the factory supplied protective tubing.

5- The field wiring must comply with applicable codes,

ordinances and regulations.

6- The furnace fan circuit must be class 2 circuit only.

7- SPECIFIED UL LISTED/CSA CERTIFIED LINE

FUSE. LittelFuse (225 003), 2AG Fast-Acting Fuse,

224/225 Series. Rating: 3 A.

LINE VOLTAGE

LOW VOLTAGE

AND FIELD WIRE

COLOR CODE

BK BLACK NC NO CONNECTION

BL BLUE O ORANGE

BN BROWN R RED

G GREEN W WHITE

GY GREY Y YELLOW

JUMPERS TABLE

MODEL

TYPES

DEFROST TIME

DEFROST/VENTILATION

MINUTES

JU1A JU1B JU1C JU1D JU1E JU1F JU1G

23°F

-5°C

5°F

-15°C

-17°F

-27°C

OUT OUT OUT OUT OUT IN OUT

MODELS

6/32 6/32 6/20

CHANGE

OUT

CHANGE

ALL

MODELS

10/30 10/20 10/15



JU1

ABCDEF

FUNCTION TABLE RELAY

MODE K1 K2 K4 K5

Intermittent 0000

Exchange Low 1011

Exchange High 1111

Circulation Low 1010

Circulation High 1110

Defrost Cycle 1110

OFF 0000

0 = Relay coil is de-energized

1 = Relay coil is energized

1 2 ... 16 17 18 19 20 21 22 23 24 25 26 27 28

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Broan HRV90H Service Manual Page 21

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