2830A_512_B_270B_cooling_coil_units.pdf

270-WMEC 905, 906, 907, 908, 909, 910, 911, 912, 913

Section Applicability

Planset Hulls

ESWBS Code Remarks

Equipment Functional Description FAN COIL ASSEMBLY

CI Functional Description

SWBS Element Title VENTILATION SYSTEM

Section B

2830A

SWBS Number 512

Individual Manual Application Sheet

Technical Publications Number

FCA SIZES:24 TYPE III

25 TYPE III

25 TYPE 11

CUSTOMER: R.E. Derecktor

CUSTOMER PO NO: S-97538

MARLO JOB NO.: M82-5092-1

NOTE: MARLO COIL/NUCLEAR COOLING, INC. RESERVES THE RIGHT TO MAKE

CHANGES IN DIMENSIONS OR SPECIFICATIONS AT ANY TIME WITHOUT

OBLIGATION TO PURCHASERS OR OWNERS OF PREVIOUSLY SOLD EQUIPMENT.

QTY. OF

EQUIPMENT

(1) EACH

(1) EACH

(1) EACH

(1) EACH

(1) EACH

(1) EACH

(1) EACH

(1) EACH

(1) EACH

BUILDING

YARD

R. E. Derecktor

R.E. Derecktor

R.E. Derecktor

R.E. Derecktor

R.E. Derecktor

R.E. Derecktor

R.E. Derecktor

R.E. Derecktor

R.E. Derecktor

QTY. OF

MANUALS

CONTRACT OR

PURCHASE ORDER

P.OJ 10-0591

CONTJOTCG23-81-C-3026

P.O.# 10-0591

CONT.#DTCG23-81-C-3026

P.OJ 10-0591

CONT.#DTCG23-81-C-3026

P.OJ 10-0591

CONT.ODTCG23-81-C-3026

P.OJ 10-0591

CONT.#DTCG23-81-C-3026

P.OJ 10-0591

CONT.#DTCG23-81-C-3026

P.OJ 10-0591

CONT.IDTCG23-81-C-3026

P.OJ 10-0591

CONT.IDTCG23-81-C-3026

P.OJ 10-0591

CONT.ODTCG23-81-C-3026

HULL

NUMBERS

TECHNICAL MANUAL

MODELFCA-24 TYPE

FCA-25 TYPE

FCA-25 TYPE

PURCHASE ORDER/CONTRACT # - P.O. #10-0591

CONTRACT DATE - 7/30/82

COAST GUARD #DTCG23-81-C-3026, 2701 WMEC, HULLS 905-913

TABLE OF CONTENTS

FCA-24 TYPE III PAGE

THEORY OF OPERATION

PARTS IDENTIFICATION-DESCRIPTION

PARTS IDENTIFICATION-EXTERNAL

PARTS IDENTIFICATION-INTERNAL

ENGINEERING DATA & DIMENSIONS

FCA-25 TYPE III

THEORY OF OPERATION .. :

PARTS IDENTIFICATION-DESCRIPT16�'::::'

PARTS IDENTIFICATION-EXTERNAL

PARTS IDENTIFICATION-INTERNAL

ENGINEERING DATA & DIMENSIONS

FCA-25 TYPE 11

THEORY OF OPERATION

PARTS IDENTIFICATION-DESCRIPTI6�

PARTS IDENTIFICATION-EXTERNAL

PARTS IDENTIFICATION-INTERNAL

ENGINEERING DATA & DIMENSIONS

...................... I

OPERATING AND MAINTENANCE INSTRUCTIONS (ALL UNITS) .................. 18-19

REPLACEMENT PARTS

TROUBLESHOOTING

THEORY OF OPERATION

Warm air i drawn into the 'unit air in e and.through themechanical filters where paricles. of dust and dirt dre filtered-out. The air is next passed through th cooling coil where itlis cooled before being drawn into the blower, and force out through one or mooe of the air outlet ports. An air-bypass damper is ocated on the fan section inner plenum wall. It is adjustable so that 0 o 17 percent additional' air can be bypassed while the specified rate air f.ow is maintained through the cooling coil.

AIR OUT

FCA-24 TYPE III

HECHANICAL FILTER

BYPASS DAMPER

BLOWER

COOLING.COIL

DRAIN PAN

4- FWD

FAN COIL ASSEMBLY 'FUNCTIONAL DIAGRAM

FCA-24 TYPE III

PARTS IDENTIFICATION - DESCRIPTIO-N

LEFT SIDE TOP ACCESS PANEL

RIGHT SIDE TOP ACCESS PANEL

LEFT SIDE BOTTOM ACCESS PANEL

RIGHT SIDE BOTTOM ACCESS PANEL

FRONT ACCESS PANEL

LEFT SIDE FILTER ACCESS PANEL

RIGHT SIDE FILTER ACCESS PANEL

UNIT AIR INLET

BOLT 5/16 - 18 x 3/4 PLATED STEEL BOLT 1/4 - 20 x 1/2 PLATED STEEL

FLANGE - BRONZE (MOUNTED OUTSIDE UNIT CASING)

FLANGE - BRONZE (MOUNTED ON COIL)

1 1/16 DIA HOLES FOR 3/4 CABLE CLAMPS

DRAIN PAN CONNECTION

AIR FiLTERS

PETCOCK

PIPE CAP

VIBRATION ISOLATORS

I .

2 .

3 .

4 .

5 - 6 .

7 .

8 .

9-.

10.

II.

12.

13.

14.

15.

i6.

17.

Is.

19.

20.

2 I.

22.

23.

24.

25.

26.

2 7 .

28.

29.

30.

31.

32.

33.

34.

35.

36.

37 .

RIVNUT 5/16 - 18

MOTOR SLIDE BASE ADJUSTING BOLT

1/8 x 3/4 GASKET

MOTOR SLIDE BASE

MOTOR

MOTOR PULLEY

FAN PULLEY

BELTS

FAN SHAFT

BEARINGS FOR 'FAN SHAFT

FAN HOUSING

CUT-OFF PLATE

FAN WHEEL

COIL ASSEMBLY

a 6 0 Q

I a i 0 0

1-1 a 0 r-l

4 a 9 Ea Ea a �, 1-11 . 0 0 I

I

I

FRONT VIEW

PARTS IDENTIFICATION - EXTERNALFCA-24 TYPE III

a

0--�

TOP VIEWRIGHT SIDE VIEW

LEFr SIDE VIEW

L

L

.PARTS IDENTIFICATION,- INTERNALFCA-24 TYPE III

TOP VIEW

SEE

FRONT VIEW

'IkRLO ENGINEERING DATA

NOTES,.1. UNIT AS SHOWN IS A TYPE 111tj CONSTRUCTION, COMPOSED OF 2 SEPARATE

SECTIONS. WHEN DISASSEMBLED THE SECTIONS WILL PASS THROUGH A STAN-

DARD NAVY COMPARTMENT HATCH.

2. FILTERS ARE REMOVABLE FROM EITHER SIDE OF 'THE UNIT.

3. DRAIN PAN ASSY IS FURNISHED WITH IPS DRAIN OH EAC14 SIDE.

4. THE COOLING COk IS REVERSIBLE-FROM RIGHT TO LEFT-OP LEFT 70 RIGHT

HAND. ACCESS TO AND REMOVAL OF THE COIL IS PROVIDED THROUGH

REMOVABLE SIDE PANELS. THE SIDE PANELS ARE INTERCHANGEABLE ON EACH

ASSEMBLY. AM OPENING IS PROVIDED IN FROUT OF THE CABINET TO PRO-

VIDE SERVICING, ADJUSTMENTS. AND REMOVAL OF THE PULLEYS. BELTS.

MOTOR, AND FAH.

S. EACH ASSEMBLY IS PROVIDED WITH A FIXED BY-PASS KkNUAL LOCKING TYPE

DAMPEP. MOUNTED OH THE INNER PLENUM WALL. ACCESS TO THIS DAMPER IS

PROVIDED THROUGH THE FRONT ACCESS PANEL.

6. CLEARANCE FOR COIL, FAH ASSY AND FILTER RE140YAL EITHER SIDE.

7. CLEARANCE FOR SERVICING MOTOi. BELT DRIVES, AND BEARINGS.

B. ELECTRICAL KNOCKOUT BOTH SIDES FOR CONNECTION TO MOTOR.

IL

SECTION

ELECTRICAL KNOCKOUT

1 1116 DIA BOTH SIDES 50,

AIR BY-PASS DAMPER

INTERNALLY LOCATED

I I

I I I I

.251 A

FCA-25 TYPE Ill

Warm air is drawn into the unit air inlet. The air is next passed through the cooling coil where it is cooled before being drawn into the blowers and forced out the unit. An air-bypass damper is located on the fan section inner plenum wall. It is adjustable so that 0 to 17 percent additional air can be bypassed while the specified rated air flow is maintained through the cooling coil.

AIR OUT

BLOWER

COOLING COIL

DRAIN PAN

BYPASS DAMPER

4- FWD

FAN COIL ASSEMBLY FUNCTIONAL DIAGRAM

I

FCA-25 TYPE III

PARTS IDENTIFICATION - DESCRIPTION

LEFT SIDE TOP ACCESS PANEL

RIGHT SIDE TOP ACCESS PANEL

LEFT SIDE BOTTOM ACCESS PANEL

RIGHT SIDE BOTTOM ACCESS PANEL

FRONT ACCESS PANEL

RIGHT SIDE FILTER ACCESS PANEL

UNIT AIR INLET

BOLT 5/16 18 x 3/4 PLATED STEEL BOLT 1/4 20 x 1/2 PLATED STEEL

FLANGE - BRONZE (MOUNTED OUTSIDE UNIT CASING)

FLANGE - BRONZE (MOUNTED ON COIL)

1 1116 DIA HOLES FOR 3/4 CABLE CLAMPS

DRAIN PAN CONNECTION

PETCOCK

PIPE CAP

VIBRATION ISOLATORS

I.

2 .

3 - 4 .

5 .

6 .

7 .

8 .

9 .

10.

11.

12.

13.

14.

15.

i6.

17.

18.

19.

20.

21.

22.

23.

24.

25.

26.

27.

28.

29.

30.

31.

32.

33.

34.

35.

36.

37.

RIVNUT 5/16 - 18

MOTOR SLIDE BASE ADJUSTING BOLT

1/8 x 3/4 GASKET

MOTOR SLIDE BASE

MOTOR

MOTOR PULLEY

FAN PULLEY

BELTS

FAN SHAFT

BEARINGS FOR FAN SHAFT

FAN HOUSING

CUT-OFF PLATE

FAN WHEEL

COIL ASSEHBLY

PARTS IDENTIFICATION - EXTERNAL

FCA-25 TYPE III

TOP VIEW

RIGHT SIDE VIEW

LEFT SIDE VIEW FRONT VIEW

PARTS IDENTIFICATION - INTERNAL

:3)

TOP-VIEW

FCA-25 TYPE III

SEE

co I I c)

01 :Ki r - -t- =__ =

1 14. -1FAN MOTOR I

L-__j L-1.)

FRONT ACCESS-PANEL- I

I

FAN;COIL FAN MOTOR FILTERS COIL OPERAT ING

AS EMBLY SCFM � � lip PR CAPACITY WEIGHTFT H CFM BTU/Hk LOS

(SIZE) : 'DP:

BYPASS QTY S17E GPM

�25 TYPE III 4680 7 1/2 7.9 346-

ENTERING AIR 8600B 64OWS ENTERING WATER 450

1 2

MARLO ENGINEERING DATA

NOTES:

1. UNIT AS SHOWN IS A TYPE 1111- CONSTRUCTION. COMPOSED OF 2 SEPARATE

SECTIONS. WHEN DISASSEMBLED, THE SECTIONS WILL PASS THROUGH A STAN-

DARD NAVY COMPARTMENT HATCH.

2. DRAIN PAN ASSY. IS FURNISHED WITH IPS DRAIN ON EACH SIDE.

3. THE COOLING COIL IS REVERSIBLE FROM RIGHT TO LEFT OR LEFT 70 RIGHT

HAND. ACCESS TO AND REMOVAL OF THE COIL IS PROVIDED7HROUGH

REMOVABLE SIDE PANELS. THE SIDE PANELS ARE INTERCHANGEABLE OH EACH

ASSEMBLY. AN OPENING IS PROVIDED IN FRONT OF THE CABINET TO PRO-

VIDE SERVICING, ADJUSTMENTS, AND REMOVAL OF THE PULLEYS, BELTS,

MOTOR. AND FAX.

4, EACH ASSEMBLY IS PROVIDED WITH A FIXED BY-PASS MANUAL LOCKING TYPE

DAMPER MOUNTED ON THE INNER PLENUM WALL. ACCESS TO THIS DAMPER IS

PROVIDED THROUGH THE FRONT ACCESS PANEL.

5. CLEARANCE FOR COIL A FAN ASSY. REMOVAL EITHER SIDE.

& CLEARANCE FOR SERVICING MOTOR. BELT DRIVES. AND BEARINGS.

7. ELECTRICAL YNOCKOUT BOTH SIDES FOR CONNECTION TO MOTOR.

I

I\ - MOUNTING HOLES I

1 1116 Olk A PLCS

2 2

56 56

FCA-25 TYPE 11

Wal ai r § drawn into the unit air inlet and through the mechanical filters t�re filtered out. The �.ir is next passedwhe7te par icles of dust and dirt at through t e cooling coil where i I is cooled before beingidrawn into the ut through one or more.of the air outTiet ports. An air-blower aniplorc f bypass da 0cated on tile n section inner plenumiwall. It is adjustable so that 0 to 17 percent additiona air can by bypassed while the specified rated air flow s maintained through th. cooling coil.

AIR OUT

MECHANICAL FILTER

BYPASS DAMPER

BLOWER

COOLING COIL

DRAIN PAN

PAN COIL ASSEMBLY FUNCTIONAL DIAGRAM

1 3

FCA-25 TYPE 11

PARTS IDENTIFICATION DESCRIPTI-ON

1, LEFT SIDE TOP ACCESS PANEL

2. RIGHT SIDE TOP ACCESS PANEL

3. LEFT SIDE BOTTOM ACCESS PANEL

4. RIGHT SIDE BOTTOM ACCESS PANEL

5. FRONT ACCESS PANEL

6. LEFTSIDE FILTER ACCESS PANEL

7. RIGHT SIDE FILTER ACCESS PANEL

8. UNIT AIR INLET

9 -

10.

II.

12.

13. BOLT 5116 - 18 x 3/4 PLATED STEEL

14. BOLT 1/4 - 20 x 1/2 PLATED STEEL

15. FLANGE - BRONZE (MOUNTED OUTSIDE UNIT CASING)

16. FLANGE - BRONZE (MOUNTED 6N COIL)

17. 1 1/16 DIA HOLES FOR 3/4 CABLE CLAMPS

18. DRAIN PAN CONNECTION

19. AIR FILTERS

20. PETCOCK

21. PIPE CAP

22. VIBRATION ISOLATORS

23.

24. RIVNUT 5/16 - 18

25. MOTOR SLIDE BASE ADJUSTING BOLT

26. 1/8 x 3/4 GASKET

27. MOTOR SLIDE BASE

28. MOTOR

MOTOR PULLEY

30. PAN PULLEY

31. BELTS

32. FAN SHAFT

33. BFkRINGS FOR FAN SHAFT

34. PAN HOUSING

35. CUT-OFF PLATE

36. FAN WHEEL

37. COIL ASSE11BLY

0 :

4 4

4 lzz:l a

0 0 1

PARTS IDENTIFICATION - EXTERNALFCA-25 TYPE 11

"---O

I'll (k., �I,", 0 ar--n "�o

TOP VIEWRIGHT SIDE VIEW

LEFT SIDE VIEW FRONT VIEW

TOP MIEW

II

b T ..

003 = .I%, , I

I

I

FCA-25 TYPE II PARTS IDENTIFICATION - INTERNAL

SEE DETAIL A

0)

SARLO-ENGINEERING DATA

NOTES.,

I .UNIT AS SHOWN IS A TYPE 111' CONSTRUCTION, COMPOSED OF 3 SEPARATE

SECTIONS. WHEN DISASSEMBLED, THE SECTIONS WILL PASS THROUGH A STAN-

DARD NAVY COMPARTMENT HATCH.

2, FILTERS ARE REMOVABLE FROM EITHER SIDE OF THE UNIT.

3. DRAIN PAN ASSY. IS FURNISHED WITH IPS'DRAIN ON EACH SIDE.

4. THE COOLING COIL IS REVERSIBLE FROM RIGHT TO LEFT OR LEFT TO RIGHT

HAND. ACCESS TO AND REMOVAL OF THE COIL IS PROVIDED THROUGH

REMOVABLE SIDE PANELS. THE SIDE PANELS ARE INTERCHANGEkBLE ON EACH

ASSEMBLY. AN OPENING IS PROVIDED IN FRONT OF THE CABINET TO PRO-

VIDE SERVICING, ADJUSTMENTS. AND REMOVAL OF THE PULLEYS, BELTS.

MOTOR, AND FAN.

S. EACH ASSEMBLY IS PROVIDEkNITH A FIXED BY-PASS �KANUAL LOCKING TYPE DAMPER MOUNTED ON THE INNER PLENUM WALL, ACCESS TO THIS DAMPER Is

PROVIDED THROUGH THE FRONT ACCESS PANEL.

6. CLEARANCE FOR COIL, FAN ASSY, AND FILTER R EMO VAL EITHER SIDE.

7� CLEARANCE FOR SERVICING MOTOR. BELT DRIVES, AND BEARINGS.

S. ELECTRICAL KNOCKOUT BOTH SIDES FOR CONNECTION 70 MOTOR.

ELECTRICAL KNOCKOUT -

1 1/16 DIA BOTH SIDES

AIR BY-PASS DAMPER -

INTERNALLY LOCATED

I I I I I I

1 7

OPERATING AND MAINTENANCE INSTRUCTIONS

Extreme care must be observed in the handling of the crates to prevent damage .to, #ny of the parts.

Allow sufficient room around the unit for lubricating fan bearings, the removal of coils, remo'val of filter-cells and the servicing of the fan motor.

Check the motor and belt adjustment. Belts should be sufficiently tight to prevent slippage when starting, but too much tension will 'cause rapid wear on the belts and bearings and unnecessary load on the motor. V belts usually stretch from two to four percent of their length Tn the first one hundred hours of use, and thereafter no further stretch occurs.

Before starting, remove belts and make certain that fan rotates freely. Check fan' motor for correct rotation.

TheJan motor sheave is usually adjustable for -a 30% variation in pitch diameter to"permit varying air volume or static pressure. The RPM on the fan shaft is sef"A the factory according to application data. If fufther adjustments are necessary in the field because of variation in static-pressure or air volume, carefully readjust belt tension according to Paragraph (3).

.Tbgjan is equipped with ball bearings. Bearings should be checked at start-up and then at six (6) month intervals. tinder normal'conditions the bearings require lubrication once a year. Lubricate with silicone grease-after unit is'"01-aced in operation.

DO-NOT LUBRICATE MOTOR BEARINGS

qbpck tightness and alignment of belts periodically.

Replace filters when dirty.

Coil has both air vent and drain petcocks.. -Air vent petcock should be checked forai.ir in coil once each month. It may be necessary to repeat this operation at shorter or longer intervals, as' indicated by-exoerience'.

Ai ieast once or twice a year as necessary, coil s-hould be carefully washed with a h-ose to remove accumulated lint, fuzz, or foreign matter carried into the unit

-Wtbe air stream. Fan and scroll should- also be washed or brushed to remove the accumulated dirt.

If the unit is to shut down for a long peri-od of time-, it should be thoroughly dra'ined, well flushed out and cleaned, belt tension relieved, and the unit given a coat of corrosion resistant paint, especially in spots where rust might appear.

T�e inner plenum wall' contains an air bypass with manual locking type damper. - Acc6ss to the damper is th�ough panels #2 or #5.

Unit coil is removable through panels #3 or #4.

'The'removal and/or servicing of motor, fan shaft bearings, pulleys and belts is accomplished through panel #1 or,#5.

The filters are removable through panels #6 and #7 only. THEY ARE-NOT REMOVABLE

.U�OUGH AIR INLET (POSITION #8 -ON UNII DIAGRAM).

The fan motor is mounted on slide base integral with fan-motor assembly. A take-up screw (item #25) is provided to adjust motor and slide base for proper belt tension.

-The Fan-Motor Assembly is mounted on vibration isolators (item.#22) �he complete Assembly cannot be removed in one piec�e. -The fan, scroll,'and motor with sub-base must'be disassembled. To remove motor and sub-base remove one bolt from top of each isolator, and bolts from bearing support assembly to sub-base.

Remove isolator support rails. Raise fan, scroll and bearing support assembly as far as possible and slide sub-base and motor out through access panel #1.

To remove fan, remove two bolts from each bearing and bolts from scroll and bearing support angles. The fan with-the fan shaft, bearings and scroll can then be removed.

To change the hand and/or remove the coil, remove panels #1, #2 and #4. Unbolt flan es (item #15) and remove panel #3. Remove four bolts, one at each corner of coil casing and coil brace-and slide coil out of coil channels. Reverse coil and rebolt at corners and reinstall coil brace. Reverse drain and vent cocks on respective headers. Reassemble flanges on coil connections.

REPLACEMENT PARTS LIST-FCA-25 TYPE 11

REPLACEMENT PARTS LIST-FCA-24 TYPE III

QTY.

DESCRIPTION

AIR FILTERS

VIBRATION ISOLATORS

MOTOR 3/60/230-460 1800 RPM

MOTOR PULLEY

FAN PULLEY

BELTS

FAN SHAFT

BEARINGS FOR FAN SHAFT

FAN HOUSING

CUT-OFF PLATE

FAN WHEEL

COIL ASSEMBLY

PART NO.

14.5 x 20 x 2 '5700'

RCM-2 BLACK

3 HP ODP IEEE45

SVS-54-B2xl 1/8 4-.4 PD x 2-B W/SHxI 3/16

AP-32

1 3/16 x 20

NPL-19 1 3/16

G DFA

GALV. STL.

G DF

6WI2-40-5610.5 F

DIAGRAM NO.

REPLACEMENT PARTS LIST-FCA-25 TYPE III

QTY.

DESCRIPTION

VIBRATION ISOLATORS

MOTOR 3/660/230-460 1800 RPM

MOTOR PULLEY

FAN PULLEY

BELTS

FAN SHAFT

BEARINGS FOR FAN SHAFT

FAN HOUSING

CUT-OFF PLATE

FAN WHEEL

COIL ASSEMBLY

PART NO.

RCM-2 BLACK

7.5 HP ODP IEEE45

SVS-64-B2xl 3/8

4.0 PDx2-B w/SH x 1 3/16

AP-32

1 3/16 x 23 3/4

NPL-19 1 3/16

H DFA

GALV. STEEL

. H DF

6WI4-46-561OF

DIAGRAM NO.

36 -

DESCRIPTION

AIR FILTERS

VIBRATION ISOLATORS

MOTOR 3/60/230-460 1800-90ORPM

MOTOR PULLEY

FAN PULLEY

BELTS

FAN SHAFT

BEARINGS FOR FAN SHAFT'

FAN HOUSING

CUT-OFF PLATE

FAN WHEEL

COIL ASSEMBLY

PART NO.

16 x 27 x 2 '5700'

RCM-2 BLACK

5HP ODP IEEE45

SVS-49-B2xl 1/8

4.4 PD x 2-B w/SHxl 3/16

AP-33

1 3/16 x 23 3/4

NPL-19 1 3/16

H DFA

GALV. STEEL

H DF

4WI4-46-5608F

QTY.

DIAGRAM NO.

29-

TROUBLESHOOTING

Front Matter: