Operating instructions

Part number 550-141-887/0800
5
AHE Series 4 Direct Vent Wall-Mounted Boilers — Boiler Manual
1b Prepare boiler location — clearances
Provide the following clearances:
1. Recommended minimum service clearances — See
Table 1.
2. Recommended clearances for enclosed cabinet,
alcove or closet — See Table 1.
Flooring
Boiler must not be installed on or over carpeting.
Do not install boiler on carpeting
even if foundation is used. Fire can
result, causing severe personal
injury, death or substantial property
damage.
Residential garage installation
Take the following special precautions when installing
the boiler in a residential garage. If the boiler is located
in a residential garage, per ANSI Z223.1, paragraph
5.1.9:
• Mount the boiler a minimum of 18 inches above
the floor of the garage to assure the burner and
ignition devices will be no less than 18 inches above
the floor.
Table 1 Recommended minimum clearances
Service
clearances
(Note 1)
Enclosed cabinet,
alcove or closet
clearances
Left side 1" 1"
Right side 6" 1"
Front 30" 1"
Top 3" 3"
Bottom 6" 6"
Note 1: If the suggested minimum clearances for service
cannot be met, the AHE boiler must be removed from the
wall for servicing. Piping will be disconnected. System
isolation valves and unions for the supply, return and
gas lines must be provided.