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38YCA/YCN

Heat Pump Unit

Wiring Diagrams

Fig. 1—38YCA018 (331, 341), 38YCA/YCN024 (351,361), 38YCA/YCN030 (361,371),

38YCA/YCN036 (371) 208-230v, 1 Phase, 60 Hertz

A93449

DTS

NOTES:

1. COMPRESSOR AND FAN MOTOR FURNISHED

WITH INHERENT THERMAL PROTECTION.

2. TO BE WIRED IN ACCORDANCE WITH

NATIONAL ELECTRIC CODE (N.E.C.)

AND LOCAL CODES.

3. N.E.C. CLASS 2, 24 V CIRCUIT, MIN. 40 VA

REQUIRED.

4. USE COPPER CONDUCTORS ONLY FROM

DISCONNECT TO UNIT.

5. MUST USE THERMOSTAT AND SUB-BASE

AS STATED IN PRE-SALE LITERATURE.

6. IF INDOOR SECTION HAS A TRANSFORMER

WITH A GROUNDED SECONDARY, CONNECT

THE GROUNDED SIDE TO "C" ON THE

CIRCUIT BOARD.

7. IF ANY OF THE ORIGINAL WIRE, AS

SUPPLIED, MUST BE REPLACED, USE THE

SAME OR EQUIVALENT WIRE.

8. CHECK ALL ELECTRICAL CONNECTIONS

INSIDE CONTROL BOX FOR TIGHTNESS.

9. DO NOT ATTEMPT TO OPERATE UNIT UNTIL

SERVICE VALVES HAVE BEEN OPENED.

10.WHEN DTS, LPS AND HPS ARE NOT

REQUIRED, A JUMPER WILL BE INSTALLED

BETWEEN Y AND T1 ON THE DEFROST

BOARD.

TEST

FIELD SELECTED TIME PERIOD

BETWEEN DEFROST CYCLES (MINUTES)

JUMPERED TEST PINS (USE METAL OBJECT), FIELD SPEED UP CYCLE

HEAT CYCLE:

50 MIN. ACCELERATED TO 12 SEC.

90 MIN. ACCELERATED TO 21 SEC.

30 MIN. ACCELERATED TO 7 SEC.

DEFROST CYCLE: 10 MIN. ACCELERATED TO 2 SEC.

321070-401 REV. A

- LEGEND -

FACTORY POWER WIRING

FIELD POWER WIRING

FACTORY CONTROL WIRING

FIELD CONTROL WIRING

CONDUCTOR ON CIRCUIT BOARD

COMPONENT CONNECTION

/4 - INCH QUICK CONNECT

TERMINALS

FIELD SPLICE

JUNCTION

CAPACITOR (DUAL RUN)

CRANKCASE HEATER

CRANKCASE HEATER SWITCH

COMPRESSOR

CONTACTOR

CIRCUIT BOARD

DEFROST THERMOSTAT

DEFROST RELAY AND CIRCUITRY

DISCHARGE TEMP. SWITCH

HIGH PRESSURE SWITCH

LOW PRESSURE SWITCH

OUTDOOR FAN MOTOR

REVERSING VALVE SOLENOID

START CAPACITOR

START RELAY

START THERMISTOR

LPS

CAP

COMP

CONT

DFT

HPS

OFM

RVS

OF2

YEL

BRN

YEL BLK

YEL

BLK BLU BLU or YEL

BLU or YEL

BRN

YEL

TEST

DFT

BLK

or

ORN

BLK or PNK

BLK

or

ORN

BLK

or

PNK

RVS

DFT

OF1

ORNBLK RED

YEL WHT

C Y 0 R E L G

INDOOR UNIT

TERMINAL BLOCK

INDOOR THERMOSTAT (NOTE #5)

LPS HPS

LOGIC

C Y O W2 R

CONNECTION DIAGRAM

W2 W3

C Y 0 R E L GW2

COMP

CONT

OFM

CAP

OF1 OF2

RVS

0 0

Y Y

DFT

LOGIC

LPS

DTS HPS

CONT

SCHEMATIC DIAGRAM

(LADDER FORM)

YEL

DTS

BLK

or

RED

BLK BLK

BLK

RED or BLK

CONT

208/230

POWER

SUPPLY

EQUIP

GND

BLK

BLU

YEL

BLUYEL

BLU

BLK

YEL

BRN

OFM

BLK

CHS

COMP

1 2

CAP

11 21

CHS

CONT

EQUIP

GND

CHS

MAY BE FACTORY OR FIELD

INSTALLED

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.

Book 1 4

Tab 5a 5a

PC 101 Catalog No. 563-738 Printed in U.S.A. Form 38YCA-3W Pg 1 3-94 Replaces: 38YCA-2W

1 2 3 4 5 6 7 8

Inhaltsverzeichnis

Seite 1 - Wiring Diagrams

38YCA/YCNHeat Pump UnitWiring DiagramsFig. 1—38YCA018 (331, 341), 38YCA/YCN024 (351,361), 38YCA/YCN030 (361,371),38YCA/YCN036 (371) 208-230v, 1 Phase,

Seite 2 - 320500 - 401 REV. B

Fig. 2—38YCA/YCN036 (361), 38YCA/YCN042, 048 (321,331) 208-230v, 1 Phase, 60 HertzA93374C235OF2BLKorREDBLK BLKBLKRED or BLKCONT208/230POWERSUPPLY1

Seite 3 - 320849 - 401 REV. B

Fig. 3—38YCA060 (321, 331) 208-230v, 1 Phase, 60 HertzA93465235OF2BLKorREDBLK BLKBLKRED or BLKCONT208/230POWERSUPPLY10EQUIPGNDL1L2112113BLKBLUBLU

Seite 4 - 321069-401 REV. A

Fig. 4—38YCA036 208/230v, 3 Phase, 60 HertzA93516MAY BE FACTORY OR FIELDINSTALLED905030TESTFIELD SELECTED TIME PERIODBETWEEN DEFROST CYCLES (MINUTES

Seite 5 - 321068-401 REV. A

Fig. 5—38YCA036 460v, 3 Phase, 60 HertzA93517460 30POWERSUPPLYMAY BE FACTORY OR FIELDINSTALLED905030TESTFIELD SELECTED TIME PERIODBETWEEN DEFROST

Seite 6 - 320501- 401 REV. B

Fig. 6—38YCA042-060 208/230v, 3 Phase, 60 HertzA93518CHCHREDor BLKREDor BLKDTSYEL23OF2CONT208/23030 POWERSUPPLYALERT!SEE NOTE #11EQUIPGNDL1L311

Seite 7 - 321011 - 401 REV. B

Fig. 7—38YCA042-060 460v, 3 Phase, 60 HertzA93464OF2YELBRNYEL BLKYELBLK BLU BLU or YELBLU or YELBRNYEL905030TESTCTDCCDFTT1T2YORBLKorORNBLKorORNRVS

Seite 8 - Tab 5a 5a

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Carrier 38YCA Bedienungsanleitung

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