Ratings - Weil-McLain WTGO 4 Series Manual

WTGO
OIL-FIRED NATURAL DRAFT WATER BOILER — SERIES 4 —

Ratings

Table 10
WTGO Series 4 oil-fired water boiler ratings
Burner Input
Boiler
GPH MBH
Model
(9) (3)
(3)
WTGO-3LR 0.70 98
WTGO-3LD
0.95 133
WTGO-3R 0.80 112
WTGO-3RD
0.80 112
WTGO-3D
0.95 133
WTGO-4R 1.00 140
WTGO-4RD
1.00 140
WTGO-4D 1.20 168
WTGO-5R
1.20 168
WTGO-5RD
1.20 168
WTGO-5D 1.45 203
WTGO-6R
1.40 196
WTGO-6RD
1.40 196
WTGO-6D 1.75 245
WTGO-7R
1.60 224
WTGO-7RD 1.60 224
WTGO-7D
2.00 280
WTGO-8
2.30 322 266
WTGO-9 2.55 357 295
42
SERVICE TECHNICIAN ONLY — read and follow completely.
AHRI Certified Ratings
Net
Seasonal
Heating
Rating
Capacity Efficiency
(water)
MBH AFUE MBH
(2) % (2) (5)
86
(4) 86.4 75
115 86.0 100
(4)
98 86.2 85
(4)
98 (4) 87.0 85
115 86.0 100
(4)
122 86.2 106
(4)
123 87.0 107
(4)
146 86.0 127
(4)
147 (4) 86.1 128
148 87.0 129
(4)
176 86.0 153
(11)
171 86.1 149
(4)
173 87.0 150
(4)
213 86.0 185
(11)
196 86.0 170
(4)
197 87.0 171
(4)
244 (11) 86.0 212
(6) - 231
(4)
(6) - 257
(4)
Boiler Manual
DOE
Draft
Boiler Flue
Loss
Water Outlet
Thru
Content Diameter
boiler
Inches
In W.C.
Gallons (7)
(8)
0.010
11.0 7
0.010
0.020
0.010 14.9 7
0.020
0.010
0.010 13.4 7
0.010
0.015
0.015 15.9 7
0.015
0.015
0.015 18.4 7
0.015
0.015
0.015 20.8 7
0.015
0.025 23.3
7
0.030 25.8
®
OVD
Minimum
Damper
Chimney
Required
Rect. Round Height
Inches Inches Feet
Yes/No
8 x 8 6 15
8 x 8 6 15
8 x 8 6 15
8 x 8 7 15
8 x 8 7 15
8 x 8 8 15
20
8 x 12 8
20
Part number 550-142-332/0421
No
Yes
No
Yes
Yes
No
Yes
Yes
No
Yes
Yes
No
Yes
Yes
No
Yes
Yes
No
No