Gasmaster GMI 2M, Installation, Operation And Maintenance Manual

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IOM GMI 2M & 2ML Nov 2010.doc
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housing, readily visible and accessible for turning on and off. If the unit is to be installed in,
under, or directly attached to a pool, or spa, structure, the said manual valve should be located
outside the structure.
2.7 Vent
Connection
Connect a 10” OD vent to the exhaust gas outlet on the boiler top panel. Venting installation
should be in compliance with the requirements of the authority having jurisdiction. In the absence
of an authority the venting must comply with CSA B149.1 or ANSI Z223.1.
Equivalent Lengths
90 deg. Elbow 3’
45 deg. Elbow 2’
Condensate Tee 2’
Vent Cap 3’
NOTES
¾
The exhaust venting system must meet the requirements of category IV
boilers (i.e. corrosion resistant, water and air-tight).
¾
The exhaust duct outlet to the atmosphere MUST be wind protected by
an approved wind cap
.
¾
NOTE
¾
Inlet gas pressure upstream of the unit must always remain within the
8” – 14” wc range.
NOTES
¾
This product must be vented in accordance with the local codes and in
absence of local codes with the CSA B149.1 or ANSI Z223.1