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simultaneously. Time delay relays shall be <br /> electronic type. <br /> 3. Operating Controls and Instruments <br /> a. All operating controls and instruments shall be <br /> securely mounted on the control compartment door. <br /> All controls and instruments shall be clearly labeled <br /> to indicate function. <br /> b. Pump mode selector switches shall be Hand-Off- <br /> Auto type to permit override of automatic level <br /> control and manual actuation of shutdown of either <br /> pump motor. Operation of pumps in manual mode <br /> shall bypass all safety shutdown circuits except <br /> pump motor overload shutdown. Switches shall be <br /> oil-tight, in accordance with IRCDUS Approved <br /> Manufacturer's Product List, providing three (3) <br /> switch positions, each of which shall be clearly <br /> labeled according to function. Separate indicator <br /> lamps, which shall operate at 115 volts input, shall <br /> be provided mounted above H.O.A. selector <br /> switches. Lamps shall be easily replaceable from <br /> the front of control compartment door without <br /> removing switch modules from their mounted <br /> positions. <br /> C. Indicator lamps shall be mounted in oil-tight <br /> modules, in accordance with IRCDUS Approved <br /> Manufacturer's Product List. Lamp modules shall <br /> be equipped to operate at 115-volt input. Lamps <br /> shall be easily replaceable from the front of the <br /> control compartment door without removing lamp <br /> module from its mounted position. <br /> d. A six (6) digit, non-reset elapsed time meter shall <br /> be connected to each motor starter to indicate the <br /> total running time of each pump in "hours" and <br /> "tenth of hours." The elapsed time meters shall be <br /> in accordance with IRCDUS Approved <br /> Manufacturer's Product List. <br /> 10.11 PUMP CONTROL SYSTEM (REMOTE TRANSMITTER UNIT) <br /> A. A Remote Telemetry Unit (RTU) shall be supplied with the pump <br /> control system. The RTU shall be capable of acquiring analog <br /> and discrete data for transmission to the Central Telemetry Unit <br /> (CTU); The RTU shall also be capable of receiving instructions <br /> from the CTU for the operation of the pumps. See IRCDUS <br /> Approved Manufacturer's Product List for the separate <br /> components. (See IRCDUS Standards, Detail Drawings S-18.) <br /> 10 - 9 <br /> 1�3. K. I0. <br />