background image

IM 745-3 

www.DaikinApplied.com

D

ImensIonal

 D

ata

Figure 13: THC Horizontal Concealed, with Extended Drain Pan and 

Plenum Filter Box

Terminal Block

(Basic Unit Only)

4.53"

1.25"

9.53"

Chilled Water 
Connections 3/4" FPT

 

9.88"

1.25"

5.82"

9.25"

23.25"

1.25"

4.72"

9.53"

Plenum Back with Filter

Filter Rail

 

Water Return 

Connection 3/4" FPT 

Air Vent

Filter

E

D

4 - Mounting Holes 

3/8" x 5/8"

TOP VIEW

8.125"

 

2- R/A Plenum

Mounting Holes 

3/8" x 5/8"

F

2"

Auxiliary Overflow 

Drain 3/8" I.D.

Auxiliary Overflow

Drain 3/8" I.D.

Basic terminal box

located at the same

side as the coil 

connection

Unit with plenums,

filter removable

from either side or

bottom of unit

Terminal box located

at the same side as 

coil connection

Main 

Condensate 

Drain 3/4" O.D.

1/2"

1.25"

23.25"

9.25"

9.88"

1.73"

2.75"

3.46"

2.32"

7.36"

6.38"

A

9.75"

B

1.5"

C

1.02"

5.75"

9.75"

1.40"

12.75"

8.75"

2"

6.54"

7.73"

.88"

FRONT VIEW

Main 

Condensate 

Drain 3/4" O.D.

Terminal Block

Water Supply 

Connection 3/4" FPT 

Hot Water 

Connection 

3/4" FPT 

Main Drain

Connection 

3/4" O.D. 

8.82"

(Unit w/o Plenum)

18.35"

(Unit w/o Plenum)

(Optional) LV-3SP Jbox

7.73"H x 6.54"W x 3.38"D 

(always located on the end 

opposite the coil connection)

8.94"

(Unit w/o Plenum)

Detail 

(Optional) LV-3SP Jbox - 

Interface Control Junction Box

7.73"

6.54"

4.66"

.877"

3.75"

3.13"

1

 

Metal Sheet

2  Terminal Block - Line Voltage

3  Terminal Block - Line Voltage

4  Relay, 24v coil - Line Voltage Contact

5  Terminal Block - Low Voltage

6  Terminal Block, 24v - Line Voltage

7  Transformer, 24v - Line Voltage

8 Divider

 

4-Pipe System - Right Hand Unit* 

2-Pipe System - Right Hand Unit*

*Factory supplied left hand units also available

Unit Size

A

B

C

D

E

F

Number of 

Fans

Filters

Size

Qty

H02

32.05"

17.64"

19.17"

19.96"

18.46"

21.13"

1

18

1

/

8

" x 8” x 1"

1

H03

38.74"

24.33"

25.87"

26.65"

25.15"

27.82"

1

24

7

/

8

" x 8” x 1"

1

H04

43.86"

29.45"

30.98"

31.77"

30.20"

32.94"

2

29

7

/

8

" x 8” x 1"

1

H06

51.73"

37.32"

38.86"

39.65"

38.07"

40.82"

2

18

7

/

8

" x 8” x 1"

2

H08

61.57"

47.17"

48.70"

49.49"

47.91"

50.66"

3

23

3

/

4

" x 8” x 1"

2

H10

65.51"

51.10"

52.64"

53.43"

51.85"

54.60"

3

25

3

/

4

" x 8” x 1"

2

H12

75.75"

61.34"

62.87"

63.66"

62.09"

64.83"

4

30

7

/

8

" x 8” x 1"

2

Note: 

All dimensions ± 0.10”

Summary of Contents for THC02

Page 1: ...Installation and Maintenance Manual IM 745 3 Group Fan Coil Part Number 668708901 Date October 2018 Ceiling Concealed Fan Coil Unit Models THC02 THC03 THC04 THC06 THC08 THC10 THC12...

Page 2: ...t should be unpacked in the presence of the agent so that the extent of the damage or loss can be determined The carri er s agent will make an inspection report and a copy will be given to the consign...

Page 3: ...is designed to be concealed in the ceiling Installation and maintenance should be performed by qualified personnel who are familiar with local codes and regulations and experi enced with this type of...

Page 4: ...ed and removable for cleaning It may be necessary to manually fill the trap at system start up or to run the unit for sufficient time to build a condensate seal The condensate trap and condensate pipi...

Page 5: ...www DaikinApplied com 5 IM 745 3 Wiring Diagrams Model C3H 02 12EA 208 230V 60Hz Model C3H 02 12JA 277V 60Hz...

Page 6: ...OR FIELD WIRING MAIN SWITCH G Y BLACK WHITE BLUE N L FAN SPEED SWITCH H RED SHF YELLOW HF M L BROWN MF ORANGE LF G Y BLACK M BLACK Figure 8 220V 1Ph 50Hz L G Y GREEN YELLOW FIELD WIRING LF FAN SPEED L...

Page 7: ...PEED MEDIUM G Y RED G Y BLUE RED L SOURCE POWER N FAN SPEED SWITCH SHF HF ORANGE BROWN M2 BLACK G Y BLACK ORANGE BROWN L M MF LF M1 BLACK MAIN SWITCH G G Y WHITE BLACK G Y GREEN YELLOW BLACK G Y GREEN...

Page 8: ...ot Water Connection 3 4 FPT Main Drain Connection 3 4 O D 8 82 Unit w o Plenum 18 35 Unit w o Plenum Optional LV 3SP Jbox 7 73 H x 6 54 W x 3 38 D always located on the end opposite the coil connectio...

Page 9: ...ssed air or water They can be vacuumed or brushed with a soft brush CAUTION Water coils exposed to freezing temperatures should be drained or anti freeze should be added to the water circuit to avoid...

Page 10: ...new air filter The cooling or heating function fails The electric control valve of unit is not started Start the electric control valve of unit The circulating pump is not started As a result the cold...

Page 11: ...Driver Indicator Light Failure Description Suggested Elimination Method 1 Motor overcurrent protection Check whether there is open circuit or short circuit on the motor lead 3 Over voltage protection...

Page 12: ...ndard terms and conditions of sale including Limited Product Warranty Consult your local Daikin Applied representative for warranty details Refer to Form 933 430285Y To find your local Daikin Applied...

Reviews: