Prepare Boiler Location - Weil-McLain ULTRA Oil 3 Series Manual

Series 3

Prepare boiler location

Installations must comply with
United States
State and local plumbing, heating and electrical codes.
National codes where applicable.
• National Electrical Code, ANSI/NFPA 70 – latest edi-
tion.
• Where required by the authority having jurisdiction, the
installation must conform to the Standard for Controls
and Safety Devices for Automatically Fired Boilers,
ANSI/ASME CSD-1.
Canada
Canadian Standards Association, CSA B139, Installation
Code for Oil-Burning Equipment – latest edition.
CSA C22.1 Canadian Electrical Code Part One – latest
edition.
Applicable local or provincial codes.
Provide minimum clearances
From combustible materials (see Figure 1)
1. Hot water pipes
• All directions — ½ inch.
(not shown in Figure 1)
2. Double-wall vent pipe
• All directions — 6 inches.
3. Single-wall vent pipe.
• All directions — 18 inches.
4. Boiler jacket surfaces
• Top of Control Pod cover — 12 inches.
• Sides and back — 2 inches.
5. Burner cover
• All directions — 2 inches.
Combustible clearances always take pre-
cedence over service clearances.
For service access (see Figure 1)
If you do not provide the minimum service
clearances shown, it might not be possible
to service the boiler without removing it
from the space.
1. Recommended service clearances:
• Front of burner cover — 20 inches
• Jacket top — 24 inches
• Jacket sides and back — 6 inches
• Burner door swing clearance — 12 inches minimum
(door must swing fully open)
8
water boiler — Boiler Manual
Figure 1 Minimum clearances to combustible surfaces and
recommended minimum service clearances
Part number 550-143-013/0621