Weil-McLain Boiler User manual

Type
User manual

This manual is also suitable for

Weil-McLain AHE is a high-altitude conversion kit for AHE Series 3 and 4 Direct Vent Wall-Mounted Boilers. Installing this kit will modify the air pressure switch and gas manifold pressure of your boiler to ensure proper operation at high altitudes, ranging from 4,000 to 12,000 feet. The kit includes an air pressure switch, conversion instructions, a conversion label, and a consumer protection label. By following the instructions provided in the kit, you can adjust the gas manifold pressure to the proper value and affix the conversion label near the rating label on the boiler jacket.

Weil-McLain AHE is a high-altitude conversion kit for AHE Series 3 and 4 Direct Vent Wall-Mounted Boilers. Installing this kit will modify the air pressure switch and gas manifold pressure of your boiler to ensure proper operation at high altitudes, ranging from 4,000 to 12,000 feet. The kit includes an air pressure switch, conversion instructions, a conversion label, and a consumer protection label. By following the instructions provided in the kit, you can adjust the gas manifold pressure to the proper value and affix the conversion label near the rating label on the boiler jacket.

Part number 550-141-597/0800
AHE SERIES 3 AND 4
AHE
Direct Vent Wall-Mounted Boilers
High Altitude
Conversion Kit
Instructions
Hazard definitions
The following defined terms are used throughout this manual to bring attention to the presence
of hazards of various risk levels or to important information concerning the life of the product.
Indicates presence of hazards that will cause severe personal injury, death
or substantial property damage.
Indicates presence of hazards that can cause severe personal injury, death
or substantial property damage.
Indicates presence of hazards that will or can cause minor personal injury
or property damage.
Indicates special instructions on installation, operation or maintenance that
are important but not related to personal injury or property damage.
Note to the installer
Failure to follow all instructions in proper order can cause severe personal
injury, death or substantial property damage. Read all instructions before
installing.
This conversion kit must only be installed by a Weil-McLain distributor or
other qualified technician in accordance with these Instructions and all
applicable codes and requirements of the authority having jurisdiction. Read
these instructions completely before beginning the installation. If the
information in these Instructions is not followed exactly, a fire, explosion,
carbon monoxide emission or other hazardous conditions can result, causing
severe personal injury, death or substantial property damage. The qualified
technician performing this work assumes responsibility for this conversion.
2
AHE Series 3 and 4 Direct Vent Wall-Mounted Boilers High Altitude Conversion Kit Instructions
Part number 550-141-597/0800
Weil-McLain
500 Blaine Street
Michigan City, IN 46360-2388
http://www.weil-mclain.com
A United Dominion Company
Parts
Boiler model number Altitude (feet) Kit part number Air pressure switch setting
AHE-45
4,000 to 7,999 382-930-335 0.30" w.c.
8,000 to 12,000 382-930-340 0.25" w.c.
AHE-60
4,000 to 7,999 382-930-340 0.25" w.c.
8,000 to 12,000 382-930-340 0.25" w.c.
Note: Kit includes (1) Air Pressure Switch, (1) Conversion Instruction, (1) Conversion Label and (1) Consumer Protection Label.
Figure 1
Air pressure switch wiring and tubing
Red
Red
Pressure switch
Normally
open
Normally
closed
Common
56701
Conversion instructions
The air pressure switch and gas manifold pressure must be correct for the altitude at the job site. Failure to install
correctly could result in nuisance shutdowns or production of poisonous carbon monoxide gas, causing severe
personal injury, death or substantial property damage.
AHE boilers must be modified for high altitude operation at the job site as follows:
1. Remove tubing and wires from existing pressure switch. See Figure 1. Remove air pressure switch and replace with pressure
switch in kit.
2. Remove the Conversion label (part number 550-224-309), supplied in kit. Place a checkmark on the label for the altitude range.
3. Adjust gas manifold pressure to proper value shown on Conversion label.
4. Affix Conversion label (part number 550-224-309) on jacket near rating label.
5. Follow Boiler Manual “Checkout” procedures to assure the boiler is now operating properly after conversion parts are installed.
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Weil-McLain Boiler User manual

Type
User manual
This manual is also suitable for

Weil-McLain AHE is a high-altitude conversion kit for AHE Series 3 and 4 Direct Vent Wall-Mounted Boilers. Installing this kit will modify the air pressure switch and gas manifold pressure of your boiler to ensure proper operation at high altitudes, ranging from 4,000 to 12,000 feet. The kit includes an air pressure switch, conversion instructions, a conversion label, and a consumer protection label. By following the instructions provided in the kit, you can adjust the gas manifold pressure to the proper value and affix the conversion label near the rating label on the boiler jacket.

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