Install Instructions

Part number 550-100-131/0715
– 128 –
™
GAS-FIRED WATER BOILER — Boiler Manual
Ratings — Multiple boilers
"OILER
-ODEL

3HIPPING
WEIGHT
/PERATING
WEIGHT
7ATER
CONTENT
7ATERmOWRATE
PERBOILER
6ENTAIRPIPE
SIZE
(Provide a
separate vent for
each boiler)
%LECTRICAL
SERVICE
REQUIRED
Pounds
per boiler
Pounds
per boiler
Gallons
per boiler
GPM
@ 20°F rise
GPM
@ 40°F rise
Amps
per boiler
Note 4 Note 5 Note 3
%6'
215 190 4.6 20.6 10.3 3” or 4” 15.0
%6'
260 255 7.0 10.0 5.0 4” 15.0
%6'
260 255 6.7 14.3 7.2 4” 15.0
.OTES
1
Based on standard test procedures outlined by DOE for individual boilers.
2
Net water ratings are based on piping and pickup allowance of 1.15. Consult Weil-McLain Technical Services for other allowances.
3
Total amp requirement includes up to three circulators, not exceeding 2.2 amps per circulator.
4
Operating weight is the total weight of the boiler, including water.
5
Evergreen 220 vent/air pipes can be either 3” or 4” pipe.
Evergreen 299/300/399 vent/air pipes must be 4”.
All of the boilers will automatically de-rate as vent/air pipe length increases, due to the pressure loss through the piping. See
Figure 120, page 127 for details.
All Evergreen installations require a separate vent pipe and termination for each boiler.
6ENTPIPINGCANNOTBEMANIFOLDED. Install and
terminate vents as described in vent/air installation instructions in this manual.
Combustion air piping can be individually piped or manifolded. See Advanced Manual for manifolded air piping.
"OILERSIN
SYSTEM
4OTAL
#3!INPUT
#3!/UTPUT$/%
(EATINGCAPACITY
"OILER
(0
.ETWATER
RATINGS
-ANIFOLDEDCOMBUSTION
AIRDUCTSIZE
Input,
MBH
Output,
MBH
- MBH
Square
inches
%6' %6' %6'
- Note 1 - Note 2
2 440 412 12.3 358 220
2 598 560 16.7 486 300
2 798 766 22.9 666 400
3 660 618 18.5 537 330
3 897 840 25.1 729 450
3 1197 1149 34.4 999 600
4 880 824 24.6 716 440
4 1196 1120 33.5 972 600
4 1596 1532 45.8 1332 800
5 1100 1030 30.8 895 550
5 1495 1400 41.9 1215 750
5 1995 1915 57.3 1665 1000
6 1320 1236 36.9 1074 660
6 1794 1680 50.2 1458 900
6 2394 2298 68.7 1998 1200
7 1540 1442 43.1 1253 770
7 2093 1960 58.6 1701 1050
7 2793 2681 80.2 2331 1400
8 1760 1648 49.2 1432 880
8 2392 2240 67.0 1944 1200
8 3192 3064 91.6 2664 1600
&IGURE Ratings and engineering data — multiple Evergreen
TM
boilers