Chapter 9: Installation of Specific Equipment Flashcards
(37 cards)
Chapter 9 is primarily applicable to __________ gas utilization equipment.
Non industrial-type
Listed gas equipment shall be installed per the __________ or as elsewhere specified in Chapter 9 of the Mechanical code.
Listing and the manufacturer’s instructions
If the actual ceiling height of a room is greater than 8 feet, the volume of a room is figured on the basis of a ceiling height of ___________.
8 feet
Gas engine-powered air conditioners shall not be _______________.
Rigidly connected to the manufacturer’s instructions
Listed A/C equipment installed in rooms that are large in comparison with the size of the equipment shall be installed with clearances _____________.
Per the terms of their listing and the manufacturer’s instructions
A/C equipment installed in rooms not large in comparison with the size of the equipment shall be ____________.
listed for that installation
Can clearances be reduced using Table 5-3 for A/C equipment installed in rooms not large in comparison with the size of the equipment?
No
Clarence fro combustible material of not less than 18 inches is required above, at the sides, front and rear of all ___________.
Unlisted A/C equipment
When the furnace plenum is not supplied with the equipment, what procedure shall be followed?
Any plenum fabrication instructions provided by the manufacturer shall be followed
Means of interrupting the electrical supply to A/C equipment shall be provided within _____________ feet from the A/C equipment.
Within sight of and not more than 50 feet
Central-heating furnaces and low-pressure boiler installations in bathrooms or bedrooms are ________________.
Allowed if they are direct vent type
Unlisted central-heating furnaces and low-pressure boilers installed in rooms that are large in comparison with the the size of the equipment shall be installed with clearances of not less than ___________.
Those specified in table 9-1
Listed and unlisted central-heating furnaces and low-pressure boilers installed in rooms that are large in comparison with the size of the equipment may be installed with reduced clearences to combustable material provided that ____________.
Combustible material or equipment is protected per table 5-3
Clearance to central-heating furnaces a low-pressure boilers shall not interfere with ____________.
Accessibility for servicing
Front clearance to central-heating furnaces and low pressure boilers shall be _____________.
Sufficient for servicing the burner and the furnace or boiler
Listed central-heating furnaces shall have the clearance from supply ducts within 3 feet of the furnace plenum be not less than __________.
that specified from the furnace plenum
Safety limit controls shall not be used as operating controls on ___________.
Steam and hot-water bolilers
Means shall be provided for disposal of refrigeration coilcondensate and prevent dripping of condensate on the _______________.
Heating element
Trap doors for roof access shall be at least ____________.
22 in. x 24 in
Railings around gas equipment on roofs shall be at least __________ inches in height.
42 inches
In lieu of providing fixed rails, guards, parapets. etc., gas equipment installed on roofs shall have at least a _________ foot clearance from any part of the equipment and the edge of a roof or similar hazard.
6 feet
All stationary gas engines ________ be rigidly connected to the gas supply.
Shall not
Appliances located on roofs or other elevated locations shall have which type of access?
Accessible
Unless other means acceptable to the AHJ are used, equipment on roofs or buildings more than 15 feet in height shall _____________.
have an outside means of access to the roof
