AERCO BMK 2.0 LN Natural Gas (SN G-11-1861 and above) - Manual (Page 16)

Chapter 2
Benchmark 2.0LN Low NOx Boiler
GF-123
Installation Installation, Operation and Maintenance Manual OMM-0046_0E
Page 16 of 170 AERCO International Inc.● 100 Oritani Dr. ● Blauvelt, NY 10913. ● Ph: 800-526-0288 PR1 08/20/12
2.4 SITE PREPARATION.
Ensure that the site selected for installation of the Benchmark 2.0LN Boiler includes:
• Access to AC Input Power at 120 VAC, Single-Phase, 60 Hz @ 20A
• Access to Natural Gas or Propane line at a Minimum supply gas pressure of 4" W.C.
(2000 cfh for Natural Gas, 800 cfh for Propane)..
2.4.1 Installation Clearances
The unit must be installed with the prescribed clearances for service as shown in Figure 2-1.
The minimum clearance dimensions, required by AERCO, are listed below. However, if Local
Building Codes require additional clearances, these codes shall supersede AERCO’s
requirements. Minimum acceptable clearances required are:
• Sides: 24 inches
• Front : 24 inches
• Rear: 30 inches
• Top: 18 inches
All gas piping, water piping and electrical conduit or cable must be arranged so that they do not
interfere with the removal of any panels, or inhibit service or maintenance of the unit.
44.5"
18"
79"
101"
4" HIGH PAD*
24"
24"
30" 24"
REAR FRONT
*(SEE NOTE IN PARAGRAPH 2.4.2)
Figure 2-1: Benchmark 2.0LN Boiler Clearances
WARNING
KEEP THE UNIT AREA CLEAR AND FREE FROM ALL COMBUSTIBLE
MATERIALS AND FLAMMABLE VAPORS OR LIQUIDS.
CAUTION
While packaged in the shipping container, the boiler must be moved by
pallet jack or forklift from the FRONT ONLY.