Slant-Fin LDWO User Manual
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-fir
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
Primar
y burner control
System pressure and temper
(unmounted)
Module pressure and temperature gauge
Module pressure relief valve (ASME)
(unmounted) Specify 30, 50 or 100 psi.
Draft regulator (unmounted)
ing just enough
ature gauge
Control header (unmounted,
one per system)
Flue brush
Module dr
(unmounted)
ain cock
Optional Equipment
Hot water supply and return header
assemblies
Control panel with automatic lead lag
Ratings
Oil Caravan ratings/hot water models — LDWO Series
I=B=R
Firing
Rate
of
#2 Oil
GPH*
Model No.
No.
Modules
LDWO-600-2-5 2 4.30 602 500 2900 435 14.9 31.0 1570 2"
LDWO-750-2-6 2 5.20 728 596 3453 518 17.8 35.6 1790 2"
LDWO-850-2-7 2 6.00 840 684 3967 595 20.4 45.2 2000 3"
LDWO-900-3-5 3 6.40 896 750 4347 652 22.4 46.5 2355 3"
LDWO-1100-3-6 3 7.80 1092 894 5180 777 26.7 53.4 2685 3"
LDWO-1300-3-7 3 9.00 1260 1026 5947 892 30.6 67.8 3000 3"
LDWO-1700-4-7 4 12.00 1680 1368 7933 1190 40.9 90.4 4000 3"
LDWO-2100-5-7 5 15.00 2100 1710 9913 1487 51.1 113.0 5000 3"
LDWO-2500-6-7 6 18.00 2520 2052 11893 1784 61.3 135.6 6000 3"
LDWO-2900-7-7 7 21.00 2940 2394 13880 2082 71.5 158.2 7000 4"
LDWO-3400-8-7 8 24.00 3360 2736 15860 2379 81.7 180.8 8000 4"
* 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
I=B=R Ratings
(MBH)
Input
Output
Gross
EDR
Water †
(Sq. Ft.)
§
NOTE: For higher capacities, specify any combination of standard
I=B=R
Net
Output‡
(MBH)
f
or installation having unusual piping and pick-up requirements.
Modules in excess of 8 are piped in parallel to first eight.
Caravan models shown.
Boiler
Horse-
po
wer
Water
Content
(gal.)
Ship
Wt.
mended
Recom-
Header
Size
§
Dimensions
Model No.
LDWO-600-2-5 215⁄8 87⁄3
LDWO-750-2-6 25 9
LDWO-850-2-7 28
LDWO-900-3-5 21
LDWO-1100-3-6 25 9
LDWO-1300-3-7 28
LDWO-1700-4-7 28
LDWO-2100-5-7 28
LDWO-2500-6-7 28
LDWO-2900-7-7 28
LDWO-3400-8-7 28
Note: Standard boiler unit prefix is LDWO.
ALBCD
2
2
9
⁄32 8373⁄4 4'4"
3
⁄8 1119⁄32 9411⁄8 4'4"
5
⁄8 87⁄3
2
2
9
⁄3
3
1
9
⁄8 11
⁄32 9 411⁄8 6'7"
3
⁄8 1119⁄32 9411⁄8 8'10"
3
⁄8 1119⁄32 9411⁄8 11'1"
3
1
9
⁄8 11
⁄3
3
⁄8 1119⁄32 9 411⁄8 15'7"
3
⁄8 1119⁄32 9 411⁄8 17'10"
Design Data
Max.
ASME Working Pressure: 100 psi
Power Requirements: 120 V/60 HZ,
8343⁄8 4'4"
8343⁄8 6'7"
8373⁄4 6'7"
2
9 411⁄8 13'4"
2
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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