Product Description; Specifications - Crown Boiler AWR Series Installation Instructions Manual

The AWR series boiler is a cast iron gas fired water boiler designed for use in closed forced circulation heating systems.
This boiler is a Category I drafthood equipped appliance, which must be vented by natural draft using a lined masonry
or listed metal chimney system. An adequate supply of air for combustion, ventilation and dilution of flue gases must be
available in the boiler room.
FIGURE 2.1: GENERAL CONFIGURATION
BWF Space Heating Ratings
Basic
Input
Boiler
(3)
Model
MBH
AWR038B 38
AWR070B 70
AWR105B 105
AWR140B 140
AWR175B 175
AWR210B 210
AWR245B 245
AWR280B 280
(1) Input ratings can be used for elevations up to 2000 ft above sea level. Refer to Appendix A for elevations 2000 ft or higher.
(2)
Net AHRI Water Ratings shown are based on a piping and pickup allowance of 1.15. Consult manufacturer before selecting boiler for
installations having unusual piping and pickup requirements, such as intermittent system operation, extensive piping systems, etc.
(3)
Add Suffix N for Natural Gas or Suffix L for Propane Gas to basic Boiler Model shown (Example: AWR210BN, AWR210BL)
I Product Description
II Specifications
TABLE 2.2 SPECIFICATIONS
Net AHRI
Heating
Rating,
(1)
Capacity
Water
(2)
MBH MBH
32 28
59 51
88 77
117 102
146 127
176 153
205 178
234 203
'A' 'B'
Width Width
AFUE
% (inch) (inch)
84.0 2 9-3/4 31-1/2
84.0 3 12-7/8 31-1/2
84.0 4 15-3/8 31-1/2
84.0 5 18-1/2 31-1/2
84.0 6 21-1/2 31-3/4
84.0 7 24-5/8 33-1/2
84.0 8 27-5/8 33-1/2
84.0 9 30-3/4 33-1/2
5
Connection
Size
Water
Content
'C'
Gas
Vent
(inch) (NPT) (gal)
4 1/2 1
4 1/2 2
5 1/2 3
6 1/2 4
7 1/2 5
7 3/4 6
8 3/4 7
8 3/4 8
Approx.
Shipping
Weight
(lbs)
234
284
334
384
434
484
533
583