Broan ERV90HCT, HRV90HT 6WIRING, Before, performing, maintenance, always, Logic Diagram

WIRING DIAGRAM

LOGIC DIAGRAM powersource ofRiskelectrical .6WIRING

FAN MOTORS SPEED SELECTION

SETTING					FAN SPEEDS
Factory shipped	JU1	3 2		1	Low - High
Low-Med select	JU1	3	2	1	Low- Med

BK

M3

BK

Damper motor

Line voltage factory wiring

Class 2 low voltage factory wiring

Class 2 low voltage field wiring

J3	A2	DAMPER
1 2	2 1
5 4 3 2 1		ELECTRONIC ASSEMBLY
J2	J1

120 V, 60Hz				120V, 60Hz	.		DIAGRAM
Line				Neutral
J10-2	HI MED			J10-1		shocks.
	1	2	3	A1
			JU1
F1
J9-1	K2		K1	Exhaust fan motor
						Before
J9-2				J5-1
J9-3				J5-2
				J5-3
J9-4				Exhaust fan motor
				capacitor

S1

Defrost

T1

Door interlock switch

temperature sensor

BK

120 V

(magnetically actuated

24 V

reed switch)

BL

90 V

t˚

R1

R

68 V

class 2

9.5 V

W neutral

W

W

Field wiring

class 2

remote control

Y BN

(see notes 3 & 4)

G

Y

BN

B G R Y

Exhaust fan

BK

J5

5 4 3 2 1

motor

M1

BL BN

J8

1

10

- 20-

2

JU1

3 2

1

J11

9

Exhaust fan

3

J13

8

Override

BK

2

MED HI

7

motor

C1

1 2

ICP

6

switch

BK

1

J12

5

capacitor

J7

4

1 2 3 4 5

3

(optional; see

J9

2

Supply fan

BK

J6

1

notes 3 & 4)

J14

motor

C2

BK

2

4 3 2 1

capacitor

1 See note 1 2

1

1

Supply fan

BK

2

F1 J10

ELECTRONIC

3

Furnace blower interlock

motor

M2

BL BN

J4

ASSEMBLY

A1

J14-1 : NO

G

BK

J14-2 : COM

J14-3 : nc

W

(optional; see notes 3, 5)

120 V, 60 Hz W1

G

NOTES

Critical characteristic.

1. For continued fire protection. Use specified UL listed/CSA

Certified line fuse.

COLOR CODE

2. If any of the original wire, as supplied, must be replaced,

use the same equivalent wire.

BK

BLACK

3. Field wiring must comply with applicable codes,

BL

BLUE

BN

BROWN

ordinances and regulations.

G

GREEN

4. Remote controls (class 2 circuit) available,

R

RED

see instruction manual.

W

WHITE

5. Furnace fan circuit must be class 2 circuit only.

Y

YELLOW

nc

no connection

VE0130A

				J7-2			performing
				J7-1
			K3	Supply fan motor
				J4-1		J4-2
				J4-3
				Supply fan motor
							any
				J6-2	capacitor
				J6-1
							maintenance	! WARNING
			J12-5	J2-5	A2
			J12-4	J2-4
			K4 J12-3	J2-3		Damper motor
120 V	24 V	J8-1	J12-2	J2-2	J3-2
90 V		J8-2	J12-1	J2-1	J3-1
							or
68 V	class 2	J8-4			Door interlock switch
	9.5 V
		J8-5	J11-2				servicing,
neutral	class 2
			J11-1
			K2	K5	J14-3	Furnace
			K4			blower
					J14-1
			K5			interlock
							always
						(optional; see
			K1		J14-2
						notes 3, 5)
			K3
		CPU			J14-4	Override
					J14-5	switch
							disconnect the unit from its
						(optional; see
					J14-6
						notes 3, 4)
					J14-7
						Field wiring
					J14-8
						remote
					J14-9
						control (see
					J14-10
						notes 3, 4)