Q1

Q2

Q3

Q4

Control valve switches

• Operate the valve

• Verify a signal under one of the following conditions:

• Within the first two revolutions of the hand wheel

• Within one-fifth of the travel distance

• According to manufacturer specifications

High- and low-air pressure switches

• Operate the switch

• Verify a signal when the required pressure increases or decreases a maximum of 10 lbs per square inch

Room temperature switches

• Operate the switch

• Verify a signal to indicate a decrease in room temperature to 40° F

• Verify a signal to indicate a restoration in room temperature to above 40° F

Water level switches

• Operate the switch

• Verify a signal under one of the following conditions:

• The water level raises or lowers 3 inches from the required level within a pressure tank

• The water level raises or lowers 12 inches from the required level within a nonpressure tank

• Verify a signal to indicate the restoration of the required water level

Water temperature switches

• Operate the switch

• Verify a signal to indicate a decrease in water temperature to 40° F

• Verify a signal to indicate a restoration in water temperature to above 40° F

Waterflow devices

Flow water through an inspector's test connection

• Verify a signal under one of the following conditions:

• A flow of water equal to that from a single sprinkler of the smallest orifice size for wet pipe systems

• An alarm test bypass connection for dry pipe, preaction, or deluge systems