Automatic changeover with complete c controller – Carrier AQUAZONE 50KQL-1PD User Manual

Page 27

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27

AUTOMATIC CHANGEOVER WITH COMPLETE C CONTROLLER

COMPLETE

C

CONTROL

UMT

BR1

BR2

PBS

CR

CAP

PB

GROUND

TRANSFORMER

RED

3

4

BRN

YEL

YEL

YEL

RED

6A

5A

RED

5

RED

RED

PBS

RED

RED

ORG

BRN

YEL

5

3A

UMT

2

3

1

6

7A

BRN

7

YEL

YEL

ORG

6

DM

ORG

RED

BRN

BRN
BRN

YEL

BR1

BR2

BLU

WV

SEE
NOTE 7

BR

BRG

CCG

R

Y

Y

W

O

G

R

C

AL1

AL2

A

P1

ALARM

RELAY

C

SEE
NOTE 6

JW1

JW3

FP1

JW2

FP2

SEE
NOTE 4

TEST PINS

SEE
NOTE 7

YEL

BRN

CC

YEL

COMPR.
RELAY

STATUS
LED

G

COMPLETE C

MICRO-

PROCESSOR

CONTROL

LOGIC

HP

LOC

FP1

FP2

RV

CO12

P2

24V
DC

EH1
EH2

P3

CO

1
2
3

4
5
6

7

8

9

10

1

0

HP

LOC

FP1

FP2

RVS

CO

SEE
NOTE 4

RED

RED

BLU

BRN

GRY

GRY

VIO

VIO

BRN

ORG

NOT USED

DIP SWITCH

OFF ON

PM: DISABLED/
ENABLED
STAGE 2: 2/1
NOT USED
NOT USED

FP1/FP2
FAULTS: 3/1

1

2
3
4

5

BLK

ORG
230V

24V

TRANS

CB*

POWER SUPPLY

REFER TO DATA PLATE

USE COPPER CONDUCTORS ONLY.

SEE NOTE 2

REFER TO DISCONNECT

BOX FOR OPTIONAL

POWER SUPPLY CONNECTION

GROUND

L2

L1

OPTIONAL
CORD
CONNECTION

RED

NEUTRAL ON 265V
SYSTEMS

L2 (ribbed)

GROUND

L1 (plain)

PB
1

2

H

C

F

CAP

RED

RED

6

8

2

4

BLK

BLK

R

S

C

CR

BLU

COMPRESSOR

BRN

YEL

BLK

BLK

BLK

2

1

5

6

7

BM

B (HIGH)

A (LOW)

RED

RED

BLK

PBS

7A

6A

5A

115
208
230
265

WHT
RED
ORG
BRN

LEAD COLOR

VOLTAGE

TRANSFORMER PRIMARY

LEAD COLORS

SEE
NOTE 3

PUSH BUTTON SWITCH ATTRIBUTES

X = CLOSED

O = OPEN

TERMINALS

1

2

3

4

5

6

7

8

1A 1B 2A 3A 4A 5A 6A 7A 8A

STOP

X

O

O

O

O

O

O

O

O

FAN ONLY

X

O

O

O

O

X

O

O

O

LOW FAN

X

O

O

X

X

O

X

O

O

HIGH FAN

X

O

O

X

X

O

O

X

X

BLOWER MOTOR WIRING

UNIT SIZE

POLE A

POLE B

07

5

3

09

5

4

12

4

3

15

4

3

19

4

3

AL

Alarm Relay Contacts

BM

Blower Motor

BR

Blower Relay

CAP

Capacitor

CB

Circuit Breaker

CO

Sensor, Condensate Overflow

CR

Compressor Relay

DM

Damper Motor

FP1

Sensor, Water Coil Freeze Protection

FP2

Sensor, Air Coil Freeze Protection

HP

High-Pressure Switch

JW1

Jumper Wire for Alarm

LOC

Loss of Charge Pressure Switch

PB

Power Terminal Block

PBS

Push Button Switch

PM

Performance Monitor

RVS

Reversing Valve Solenoid

TRANS —

Transformer

UMT

Unit Mounted Thermostat

WV

Water Valve

----------

Field Line Voltage Wiring
Field Low-Voltage Wiring

*Optional wiring.
NOTES:

1. Compressor and blower motor thermally pro-

tected internally.

2. All wiring to the unit must comply with local

codes.

3. Transformer is wired to 115-V (WHT) lead for

115/1/60 units, 265-V (BRN) lead for 265/1/60
units or 208-V (RED) lead for 208/1/60 units.
For 203/1/60 switch RED and ORG leads at L1
and insulate RED lead.
Transformer is energy limiting or may have cir-
cuit breaker.

4. FP1 thermistor provides freeze protection for

WATER. When using ANTI-FREEZE solutions,
cut JW3 jumper.

5. Typical unit-mounted thermostat wiring shown.
6. 24-V alarm signal shown. For dry alarm con-

tact, cut JW1 jumper and dry contact will be
available between AL1 and AL2.

7. Transformer secondary ground via Complete

C board standoffs and screws to control box.
(Ground available from top two standoffs as
shown.)

LEGEND

Printed Circuit Trace

Relay/Contactor Coil

Solenoid Coil

Thermistor

Circuit Breaker

Relay Contacts-N.O.

Switch-Temperature

Switch-High Pressure

Switch-Low Pressure

Ground

Wire Nut

Mate-N-Lock

>>

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