Slant Fin Ldwo Series Users Manual

LDWO SERIES to the manual 0732b71f-5715-8204-9900-6e5c98e39f0a

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Modular Boiler Submittal Data

LDWO SERIES—Oil-fired/Hot Water
A Caravan modular boiler system consists of
two or more compact cast-iron boilers that offer
significant advantages in terms of installed
cost, efficiency and reliability. Caravan
systems are based on step-firing just enough
modules to meet hot water or space heating
demands. LDWO systems are available in
602,000 to multi-million Btuh gross input.
For additional information, see Caravan
Engineering Manual, pub. C-30 and Caravan
oil application guide, pub. CG-10-HWO.
Standard Equipment
One per module unless otherwise noted
Pre-assembled cast-iron heat exchanger
with built-in air separators and insulated jacket
Swing-out/removable burner door
Flame retention oil burner, with nozzle;
cadmium sulfide flame detector
Hi-limit control, auto reset
Primary burner control
System pressure and temperature gauge
(unmounted)
Module pressure and temperature gauge
Module pressure relief valve (ASME)
(unmounted) Specify 30, 50 or 100 psi.
Draft regulator (unmounted)

Control header (unmounted,
one per system)
Flue brush
Module drain cock
(unmounted)

Optional Equipment
Hot water supply and return header
assemblies
Control panel with automatic lead lag

Ratings
Oil Caravan ratings/hot water models — LDWO Series

Model No.

LDWO-600-2-5
LDWO-750-2-6
LDWO-850-2-7
LDWO-900-3-5
LDWO-1100-3-6
LDWO-1300-3-7
LDWO-1700-4-7
LDWO-2100-5-7
LDWO-2500-6-7
LDWO-2900-7-7
LDWO-3400-8-7

No. of
Modules

2
2
2
3
3
3
4
5
6
7
8

I=B=R
Firing
Rate
#2 Oil
GPH*

Input

4.30
5.20
6.00
6.40
7.80
9.00
12.00
15.00
18.00
21.00
24.00

602
728
840
896
1092
1260
1680
2100
2520
2940
3360

I=B=R Ratings
(MBH)
Gross
Output

EDR
Water †
(Sq. Ft.)

I=B=R
Net
Output‡
(MBH)

Boiler
Horsepower

Water
Content
(gal.)

Ship
Wt.

500
596
684
750
894
1026
1368
1710
2052
2394
2736

2900
3453
3967
4347
5180
5947
7933
9913
11893
13880
15860

435
518
595
652
777
892
1190
1487
1784
2082
2379

14.9
17.8
20.4
22.4
26.7
30.6
40.9
51.1
61.3
71.5
81.7

31.0
35.6
45.2
46.5
53.4
67.8
90.4
113.0
135.6
158.2
180.8

1570
1790
2000
2355
2685
3000
4000
5000
6000
7000
8000

* Light oil, 140,000 Btuh per gallon.
† Based on 150 Btuh per square foot E.D.R. at 170°F average
water temperature.
‡ Net ratings are based on a piping and pick-up allowance of
1.15. Slant/Fin should be consulted before selecting a boiler

Recommended
Header
Size §

2"
2"
3"
3"
3"
3"
3"
3"
3"
4"
4"

for installation having unusual piping and pick-up requirements.
§ Modules in excess of 8 are piped in parallel to first eight.
NOTE: For higher capacities, specify any combination of standard
Caravan models shown.

Dimensions

Model No.

A

B

C

D

L

LDWO-600-2-5

215⁄8

87⁄32

8

343⁄8

4'4"

LDWO-750-2-6

25

29

9 ⁄32

8

373⁄4

4'4"

LDWO-850-2-7

28 ⁄8

11 ⁄32

9

41 ⁄8

4'4"

LDWO-900-3-5

215⁄8

87⁄32

8

343⁄8

6'7"

LDWO-1100-3-6

25

29

9 ⁄32

8

37 ⁄4

6'7"

LDWO-1300-3-7

283⁄8

1119⁄32

9

411⁄8

6'7"

3

19

1

3

LDWO-1700-4-7

28 ⁄8

11 ⁄32

9

41 ⁄8

8'10"

LDWO-2100-5-7

283⁄8

1119⁄32

9

411⁄8

11'1"

LDWO-2500-6-7

28 ⁄8

11 ⁄32

9

41 ⁄8

13'4"

LDWO-2900-7-7

283⁄8

1119⁄32

9

411⁄8

15'7"

LDWO-3400-8-7

28 ⁄8

11 ⁄32

9

41 ⁄8

17'10"

3

3

3

19

19

19

1

1

1

Note: Standard boiler unit prefix is LDWO.

Design Data
Max. ASME Working Pressure: 100 psi
Power Requirements: 120 V/60 HZ,
Amp(s) per module:
For Carlin burners 6.0
For Wayne burners 7.7

©Slant/Fin Corp. 2003. Printed in the U.S.A. 803. Publication No. C-10-MO

SLANT/FIN CORPORATION, Greenvale, N.Y. 11548 • Phone: (516) 484-2600
FAX: (516) 484-5921 • Canada: Slant/Fin LTD/LTEE, Mississauga, Ontario
www.slantfin.com



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