Crown Boiler AWR038, Installation Instructions Manual

Page: 5 / 51

3
I Product Description
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.
II Specifications
FIGURE 2.1: GENERAL CONFIGURATION
Notes:
The Net AHRI Water Ratings shown are based on a piping and pickup allowance of 1.15.
The manufacturer should be consulted before selecting a boiler for installations having unusual piping and pickup requirements, such as intermittent system opera-
tion, extensive piping systems, etc.
Add Suffix N for Natural Gas or Suffix L for Propane Gas to basic AWR Boiler Model shown (Example: AWR210EN, AWR210EL)
TABLE 2.2: SPECIFICATIONS
BASIC
BOILER
MODEL
RATINGS - NATURAL AND LP GASES
DIMENSIONS
(INCHES)
NUMBER
OF
SECTIONS
INPUT
HEATING
CAPACITY
NET AHRI
RATING,
WATER
AFUE
‘A’ ‘B’ ‘C’
MBH MBH MBH %
AWR038E 2 38 32 28 83.0 9-3/4 31-1/2 4
AWR070E 3 70 58 50 83.5 12-7/8 31-1/2 4
AWR105E 4 105 87 76 83.7 15-3/8 31-1/2 5
AWR140E 5 140 117 102 83.6 18-1/2 31-1/2 6
AWR175E 6 175 146 127 83.5 21-1/2 31-3/4 7
AWR210E 7 210 175 152 83.4 24-5/8 33-1/2 7
AWR245E 8 245 205 178 83.4 27-5/8 33-1/2 8
AWR280E 9 280 234 203 83.3 30-3/4 33-1/2 8