Envision Peripherals IM1603 W`6O\RZS`e #YE3ZSQb`WQ6SOb, W`6O\RZS` 3ZSQb`WQ6SOb, 6/30/08

ENVISION SERIES AIR HANDLER INSTALLATION MANUAL

Electrical Data

Wiring Schematic

Legend

	208-230/60/1
	G	PB
Transformer		L1	L2

Gry(6)

	Factory Low voltage wiring
	Factory Line voltage wiring
	Field low voltage wiring
	Field line voltage wiring
	Optional block
	DC Voltage PCB traces
	Internal junction
	Quick connect terminal
	Wire nut
L1	Field wire lug

Ground

Relay Contacts-

N.O., N.C.

FuseP

HE -Heater element

ER1 to ER4 - Aux heat stage relays

LP - Low pressure switch

T

G

1 2 3

PB -

SW1 -

Thermistor

Light emitting diode - Green

Relay coil

Capacitor w/ bleed resistor

Switch - Condensate overflow

Switch - High pressure

Switch - Low pressure

Switch -Hot Water On/Off

Polarized connector

Power block

DIP package 10 position

Black

Gry(4)

24V

Red

NOTE 1

Brown

Blue

Orange

Grn

Yel

Blk/Wh

P4

1

2

3

4

5

8

Black

8

RPM grnd

C

Grn(9)

LED

3

Black

3

C2

Gray ER1

Grn/Yel(1)

XFRM

1

Black

1

C1

NO

16

Black

SEC

16

RPM

R

Note 3

12

Black

12

R

ER2

5

Black

5

1

COOL

NO

2

7

Black

7

ADJUST

Fan Motor

P1

3

11

Black

11

HEAT

ER3

4

ECM2

4

Black

4

DELAY

5

NO

6

10

Black

10

Thermostat

P3

BK

NOTE 2

7

6

Black

6

Y1

ER4

C

C

8

14

Black

14

Y /Y2

9

NO

R

R

15

10

Black

15

On/Off

Gry(12)

HE1 TS1

208-230/60/1

	G	PB
Transformer	L1	L2
	Black

24V		Red	NOTE 1			Brown
		Blue				Orange
						Grn
Yel	Blk/Wh
					P4	1	2	3	4	5
	C			8	Black	8	RPM grnd
			LED	3	Black	3	C2
Grn/Yel(1)	XFRM			1	Black	1	C1

ODD

SW1

On

9

Black

9

O

1

2

3

4

5

6

Y1

Y1

2

Black

2

W / W1

P2

Y2

Y2

13

Black

13

EM / W2

G

G

O

O/B

W1

W

W2

W1

W2

Wht(28)

Grn(9)

/W`6O\RZS`e#YE3ZSQb`WQ6SOb

Electric Heat

	SEC			16	Black	16	RPM
		Note 3		12	Black	12	R
	R			5	Black	5	COOL
			1
			2	7	Black	7	ADJUST	Fan Motor
			3	11	Black	11	HEAT
			4					ECM2
				4		4	DELAY
			5		Black
Thermostat			6	10	Black	10	BK
	P3		7	6	Black	6	Y1
C	C		8
				14	Black	14	Y /Y2
			9
R	R		10	15	Black	15	On/Off
	ODD	SW1	On	9	Black	9	O
Y1	Y1			2	Black	2	W / W1
Y2	Y2			13	Black	13	EM / W2
G	G
O	O/B
	W1
W	W2
		W1	W2

/W`6O\RZS`<]3ZSQb`WQ6SOb

Notes:

1 – To operate in 208V mode replace the blue transformer

wire connected to PB-L2 with red transformer wire. 2 – Jumper wires tie stages (1) with (2) and (3) with (4).

3 – Dip switches are used to select the air flow.

208-230/60/1

G

PB

Yel(7)

Transformer

L1

L2

Gry(6)

Black

Gry(4)

Yel(5)

24V

Red

NOTE 1

Brown

Blue

Orange

Grn

Yel

Blk/Wh

P4

1

2

3

4

5

C

8

Black

8

RPM grnd

Grn(9)

LED

3

Black

3

C2

Gray ER1

Gry(12)

Grn/Yel(1)

XFRM

1

Black

1

C1

NO

16

Black

16

RPM

HE1

TS1

SEC

Note 3

12

Black

12

R

ER2

R

5

Black

5

COOL

1

NO

2

7

Black

7

ADJUST

Fan Motor

P1

3

11

Black

11

HEAT

ER3

4

ECM2

4

4

DELAY

Yel(16)

5

Black

NO

HE3

TS3

6

10

Black

10

BK

Thermostat

NOTE 2

P3

7

6

Y1

ER4

6

Black

C

C

8

14

Black

14

Y /Y2

9

NO

R

R

15

10

15

Black

On/Off

ODD

SW1

On

9

Black

9

O

1

2

3

4

5

6

Y1

Y1

2

Black

2

W / W1

P2

Y2

Y2

13

Black

13

EM / W2

G

G

Wht(10)

Blu(11)

O

O/B

W1

W

W2

TDR

W1

W2

Wht(8)

Grn(9)

Electric Heat

/W`6O\RZS`eYE3ZSQb`WQ6SOb

97P787-01

6/30/08

13