Wiring Diagrams

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Fan Coils Accessory Electric Heaters

Wiring Diagrams

FIELD INSTALLED HEATER MODEL

KFCEH0401N03 KFCEH0501N05 KFCEH0601C05 KFCEH0801N08 KFCEH1001C08 KFCEH1409N09* KFCEH0901N10 KFCEH1501F15* KFCEH1701C15* KFCEH1801F20* KFCEH1901C20* KFCEH1601315 KFCEH2001318

KFCEH2101F24*

KFCEH2201F30*

* Intelligent Heat Staging Capable For heater serial numbers after 1900A56372

NOM KW AT 240 V

3 Non-Fused 5 Non-Fused 5 Circuit Breaker 8 Non-Fused 8 Circuit Breaker 9 Non-Fused 1 or 3-Phase 10 Non-Fused 15 Fused Dual Circuit 15 Circuit Breaker Dual Circuit 20 Fused Dual Circuit 20 Circuit Breaker Dual Circuit 15 Non-Fused 3-Phase Only 18 Non-Fused 3-Phase Only 24 Fused 1 or 3-Phase Single or Multiple Circuit 30 Fused 1 or 3-Phase Single or Multiple Circuit

HEATER INSTALLED IN FA4A, FB4A, FC4B, FX4A

LABEL DIAGRAM

Fig. 1

Fig. 3 Fig. 1 Fig. 5

Fig. 7 Fig. 9 Fig. 11

Single Phase Fig. 13 Three Phase Fig. 15

HEATER INSTALLED IN 40FKA, FK4C, FV4A LABEL DIAGRAM

Fig. 2

Fig. 4 Fig. 2 Fig. 6

Fig. 8 Fig. 10 Fig. 12

Single Phase Fig. 14 Three Phase Fig. 16

FIELD INSTALLED HEATER MODEL KFDEH0801D05 KFDEH0901D75 KFDEH1001D11

NOM KW 240 V

5 Disconnect 7.5 Disconnect 11 Disconnect

HEATER INSTALLED IN FF1D FAN COIL

Fig. 17

ACCESSORY SMART HEAT PACKAGES KFCEH0101H10 KFCEH0201H15 KFCEH0301H20

NOM KW AT 240 V

10 Smart Heat 15 Smart Heat 20 Smart Heat

LABEL DIAGRAM

Fig. 18 Fig. 19 Fig. 20

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

Book 1 4 PC 101 Tab 3d 2e

Catalog No. 03FA-4A1

Printed in U.S.A.

Form FA4A-2W

Pg 1

6-01

Replaces: New

FAN COIL MODEL WITH FACTORY INSTALLED HEAT FA4ANC018,024,030,036,042005AFAA, AGAA FA4ANF018,024,030,036,042,048008AFAA, AGAA FB4ANF018,024,030,036,042,048008AFAA FA4ANF018,024,030,036,042,048010AFAA, AGAA FB4ANF018,024,030,036,042,048010AFAA FA4ANC018,024,030,036,042,048008AFAA, AGAA FA4ANC018,024,030,036,042,048,060010AFAA, AGAA FA4ANF030,036,042,048015AFAA, AGAA FB4ANF030,036,042,048015AFAA FF1DNA018,024,030005AAAA, ABAA FF1DNA018,024,030075AAAA, ABAA FF1DNA018,024,030011AAAA, ABAA

FACTORY INSTALLED HEATER MODEL MKFCEH0701D05

MKFCEH0801N08

MKFCEH0901N10

MKFCEH1201D08 MKFCEH1301D10

MKFCEH1501F15

MKFDEH0801D05 MKFDEH0901D75 MKFDEH1001D11

NOMINAL KW DESCRIPTION 5 Disconnect 8 Non-fused

10 Non-fused 8 Disconnect 10 Disconnect

15 Fused 5 Disconnect 7.5 Disconnect 11 Disconnect

LABEL DIAGRAM Fig. 1 Fig. 5 Fig. 17

FAN COIL WITH COOLING ONLY CONTROL FA4A, FB4A, FC4B, FX4A, FH4A 40FKA, FK4C, FV4A

LABEL DIAGRAM Fig. 21 Fig. 22

2

DISC DISC

TRAN

THIS COMPARTMENT MUST BE CLOSED EXCEPT FOR SERVICING

BLOWER MOTOR ROTATION

FIELD POWER WIRING

SCHEMATIC DIAGRAM

SEE RATING PLATE FOR VOLTS & HERTZ

SEE NOTE #1

DISCONNECT PER NEC

OR

OR

L1

L1

OR

OR

L2

L2

CB

CB

GND

YEL

CAUTION:

NOT SUITABLE FOR USE ON SYSTEMS EXCEEDING 150V TO GROUND

ATTENTION:

NE CONVIENT PAS AUX INSTALLATIONS DE PLUS DE 150 V A LA TERRE

COMPONENT ARRANGEMENT

HTR1 LS1

HTR2 LS2

R1

SYSTEM TRANSFORMER: 40.0VA FAN COIL/HEATER: 8.4VA

REMAINING VA AVAILABLE: 31.6VA

RED 24 V BRN

COM

208 V 230 V

LS2 HTR2 BLK

BLK

8

6

YEL

LS1 HTR1 BLK

RELAY 1

BLK

4

2

RELAY 1 62

BLU

BLK

84

YEL

9 9

SPT YEL

BLU BLK

11 7 11 7

BLU BLK

NC

G

NO

FR

R

F

PCB

T1 C

RELAY 1 22 VDC COIL

R E C

ORN

VIO

32 32

GRY RED

61 61

PLUG

4 4

RECP BRN

BRN

1

0

REC

L2 L1 CB

60A 60A

C

T1 R

F

G

NC

PCB

NO

FR

SPT

RED-LOW

BRN

BLU-MED FM BRN

CAP

GND

BLK-HI GRN/YEL-GND

YEL-COM

COM BLK

BRN RED WHT BLU

W2 VIO GRY

YEL CAP

208 230V

SEE NOTE #5 FAN MOTOR THERMALLY PROTECTED

COM BRN

YEL HI BLK MED BLU

LO RED

V

BRN

FM

TRAN

GRN/YEL GND

RED BRN

C R

W WHT

G

BARRIER SEE NOTE #7

INDOOR THERMOSTAT

OUTDOOR UNIT

LEGEND

CAP CB COM F FM

FR

CAPACITOR CIRCUIT BREAKER COMMON LOW VOLTAGE FUSE FAN MOTOR FIELD POWER WIRING PCB FAN RELAY

HTR HEATER LS LIMIT SWITCH

MARKED TERMINAL PLUG AND RECEPTACLE PCB PRINTED CIRCUIT BOARD REC RECTIFIER

NOTES: 1. USE COPPER WIRE (75?C MIN) ONLY BETWEEN DISCONNECT SWITCH AND UNIT. 2. TO BE WIRED IN ACCORDANCE WITH NEC AND LOCAL CODES. 3. IF ANY OF THE ORIGINAL WIRE, AS SUPPLIED, MUST BE REPLACED, USE THE SAME OR EQUIVALENT

FU LINE FUSE GND EQUIPMENT GROUND

SPT FAN SPEED TAP LOCATION

R TRAN

RELAY TRANSFORMER UNMARKED TERMINAL

TYPE WIRE. 4. REPLACE LOW VOLTAGE FUSE WITH NO GREATER THAN 5 AMP FUSE. 5. (3) SPEED MOTOR SHOWN. OPTIONAL (2) SPEED MOTOR USES HI (BLK) AND LOW (BLU OR RED).

MINIMUM MOTOR SPEED SELECTION

FAN COIL SIZE

018 024 030 036 042 048 060 070

6. SMALLER HEATERS WILL HAVE FEWER COMPONENTS.

MOTOR SPEED ONE HTR LO LO LO LO -- -- -- --

7. CONNECT R TO R, G TO G, ETC., SEE OUTDOOR INSTRUCTION FOR DETAILS.

324988-101 REV. A

MOTOR SPEED TWO HTR LO LO LO LO LO LO LO LO

A00168

Fig. 1--Label Wiring 324988-101

3

THIS COMPARTMENT MUST BE CLOSED EXCEPT FOR SERVICING

BLOWER MOTOR ROTATION

CAUTION:

NOT SUITABLE FOR USE ON SYSTEMS EXCEEDING 150V TO GROUND

ATTENTION:

NE CONVIENT PAS AUX INSTALLATIONS DE PLUS DE 150 V A LA TERRE

LEGEND

SCHEMATIC DIAGRAM SINGLE SUPPLY CIRCUIT

FIELD POWER WIRING

SEE RATING PLATE FOR VOLTS & HERTZ

SEE NOTE #1

DISCONNECT PER NEC

OR

OR

L1

L1

OR

OR

L2

L2

CB

CB

DISC DISC

GND

COM F1 ICM

FU GND HVTB HTR REC

COMMON LOW VOLTAGE FUSE FAN MOTOR FIELD POWER WIRING LINE FUSE EQUIPMENT GROUND HIGH VOLTAGE TERM BLOCK HEATER RECTIFIER

LS

PCB TRAN RECP CB R TDR

LIMIT SWITCH MARKED TERMINAL PLUG AND RECEPTACLE PRINTED CIRCUIT BOARD TRANSFORMER RECEPTACLE CIRCUIT BREAKER RELAY TIME DELAY RECTIFIER

FIELD POWER WIRING

COOLING CONTROL ONLY

YEL YEL

LS2 HTR2 BLK LS1 HTR1 BLK

8

6

RELAY 1

4

2

BLU BLK

BLK

BLK

RELAY 1 22 VDC COIL

FIELD POWER L1 WIRING

YEL

L2 BLK

9

11 7

208/240VAC

9

11 7

32 24VAC

32

61

4 PLUG 2

24VAC

61

4 RECP 2

YEL

9 9

BLU

BLK

11 7 11 7

REC ORN VIO

32 32

PLUG

61

4

61

4

BRN RECP 2

TRAN

RED BRN

SEC1

SEC2

PCB

DH

YEL

BLK

Com 208V 230V

KW CFM

VIO

AUX HEAT KW/CFM AC/HP SIZE

R

W 1

F1 W 2

BRN

RED VIO

12 GRY 11

10 ORN 9 BRN 8 RED 7 VIO 6

5

4 WHT 3 BLK 2 YEL 1 GRN PLUG 1

VIO

BLU

ORN BLK YEL

WHT BLK

PLUG 3 54321

GRN/YEL

GND

BLU ORN BLK WHT YEL

SYSTEM TYPE AC HP-COMFORT HP-EFF

AC/HP CFM ADJUST

NOM

LO

HI

ON/OFF DELAY

0

30

90

90

0

HI

0

CONTINUOUS FAN

LO MED HI

YEL

Y 1 Y/Y 2 G O C AUX1 HUM1 AUX 2 HUM2 24 VAC

PL1

1

HEATER / MOTOR

GRY

INDOOR THERMOSTAT

OUTDOOR UNIT

COMPONENT ARRANGEMENT

HTR1 LS1

HTR2 LS2

R1

RED 24 V BRN

TRAN

COM

208 V 230 V

SYSTEM TRANSFORMER: 40.0VA FAN COIL/HEATER: 4.8VA

REMAINING VA AVAILABLE: 35.2VA

L2 L1 CB

RELAY 1 62

84

1

0

REC

60A 60A

PCB SEC1 SEC2

D H

R

F1 W1

W2 Y1 Y/Y 2 G

O

C

PL1 HEATER / MOTOR

ICM GND

GRN WHT VIO ORN YEL RED GRY

16 15 14 13 12 11 10 9 8 76 5432 1

BLK WHT VIO BLK BLU ORN BRN

PLUG 4

RECP 3

ICM

RECP 4 GRY

NOTES:

1. USE COPPER WIRE (75*C MIN) ONLY BETWEEN DISCONNECT

SWITCH AND UNIT.

2. TO BE WIRED IN ACCORDANCE WITH NEC AND LOCAL CODES.

3. TRANSFORMER PRIMARY LEADS, BLUE 208V, RED 230V.

4. IF ANY OF THE ORIGINAL WIRE, AS SUPPLIED, MUST BE REPLACED,

USE THE SAME OR EQUIVALENT TYPE WIRE.

5. REPLACE LOW VOLTAGE FUSE WITH NO GREATER THAN 5 AMP FUSE.

6. DUAL CIRCUIT WIRING SHOWN.

7. USE 60 AMP CLASS K FUSES ONLY, FOR REPLACEMENT.

8. CONNECT R TO R, G TO G, ETC., SEE OUTDOOR INSTRUCTION FOR

DETAILS.

326001-101 REV. B

LABEL (2) SEE INSTRUCTION FOR INSTALLATION

Fig. 2--Label Wiring 326001-101

A00183

4

THIS COMPARTMENT MUST BE CLOSED EXCEPT FOR SERVICING BLOWER MOTOR ROTATION

SCHEMATIC DIAGRAM SINGLE SUPPLY CIRCUIT FIELD POWER WIRING SEE RATING PLATE DISCONNECT PER NEC

FOR VOLTS & HERTZ

CAUTION:

NOT SUITABLE FOR USE ON SYSTEMS EXCEEDING 150V TO GROUND

ATTENTION:

NE CONVIENT PAS AUX INSTALLATIONS DE PLUS DE 150 V A LA TERRE

COMPONENT ARRANGEMENT

L1 YEL

GND YEL

YEL BLU

BLU L3

SEE NOTE #1

LS1

HTR1

BLK

RELAY 2

4

2

LS2

BLU HTR2

BLU

RELAY 2

8

6

LS3

HTR3

BLK

RELAY 1

4

2

L2 BLK BLU

YEL

BLU

BLK

RELAY 2 22 VDC COIL

HTR1 LS1

HTR3 LS3

HTR2 LS2

R1 R2

SYSTEM TRANSFORMER: 40.0VA FAN COIL/HEATER: 15.2VA

REMAINING VA AVAILABLE: 24.8VA

RELAY 1 62

RED 24 V BRN

TRAN

COM

208 V 230 V

RELAY 1 22 VDC COIL

R E C

84

1

0

REC

YEL

BLU BLK

REC RED ORN VIO

BRN

RELAY 2

C

PLUG 9 9

RECP

11 7 11 7

BLU BLK

32 32

61

4

61

4

BRN

62

84

1

0

T1 R

F

G

NC

SPT

YEL

YEL CAP

NC

G

NO

FR

R

F

PCB

T1 C

COM 208V 230V

GRY RED

BRN

W2 W3 E

BLK BRN RED WHT BLU VIO GRY

COM BRN

YEL HI BLK MED BLU

BRN

RED

TRAN

BRN

FM

GRN/YEL GND

C R

W2

G

WHT SEE NOTE #7

BARRIER SEE NOTE #6

INDOOR

OUTDOOR

LO RED

THERMOSTAT

UNIT

NOTE:

FOR 3 PHASE WIRING

Denotes wire to be moved for 3 phase conversion. Dashed wire (- - -) indicates wiring after conversion.

1. Disconnect BLUE wire from limit switch 3(LS3), cut, strip, and connect to field wire L3.

REC

PCB

NO

FR

SPT

RED-LOW

BRN

BLU-MED FM

GND

BLK-HI GRN/YEL-GND

BRN

CAP

YEL-COM

SEE NOTE #5 FAN MOTOR THERMALLY PROTECTED

LEGEND

CAP COM

F FM

CAPACITOR COMMON

LOW VOLTAGE FUSE FAN MOTOR

HTR HEATER LS LIMIT SWITCH

MARKED TERMINAL

PLUG & RECEPTACLE

2. Disconnect YELLOW wire from LS1 and connect to LS3.

NOTES: 3. Disconnect BLUE wire from relay 2 terminal 2 and connect to LS1.

1. USE COPPER WIRE (75?C MIN) ONLY BETWEEN DISCONNECT SWITCH AND UNIT. 2. TO BE WIRED IN ACCORDANCE WITH NEC AND LOCAL CODES. 3. IF ANY OF THE ORIGINAL WIRE, AS SUPPLIED, MUST BE REPLACED, USE THE SAME OR EQUIVALENT

TYPE WIRE.

FIELD POWER WIRING PCB PRINTED CIRCUIT BOARD FR PCB FAN RELAY GND EQUIPMENT GROUND REC RECTIFIER

SPT FAN SPEED TAP LOCATION

R RELAY TRAN TRANSFORMER

R

RELAY

UNMARKED TERMINAL

4. REPLACE LOW VOLTAGE FUSE WITH NO GREATER THAN 5 AMP FUSE. 5. (3) SPEED MOTOR SHOWN. OPTIONAL (2) SPEED MOTOR USES HI (BLK) AND LOW (BLU OR RED). 6. CONNECT R TO R, G TO G, ETC., SEE OUTDOOR INSTRUCTION FOR DETAILS. 7. IF WIRE CRIMP IS REMOVED AN EMERGENCY HEAT RELAY IS REQUIRED.

MINIMUM CFM / MOTOR SPEED SELECTION

FAN COIL SIZE

018 024 030 036 042 048 060 070

MOTOR SPEED AT 9 KW -- LO LO LO LO LO LO LO

(SEE OUTDOOR-THERMOSTAT INSTRUCTIONS)

325650-101 REV. A

A00175

Fig. 3--Label Wiring 325650-101

5

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