KKK-A-1822 E
patient module dome lighting (in the high intensity setting); patient module air conditioning (at
coldest setting with highest blower speed); emergency warning lighting system (in the daytime
"primary" mode) (3.8.2); and 20 amp medical load or equal.
WARNING:
1. ADDITIONAL (OPTIONAL), CONTINUOUS LOAD, ELECTRICAL
DEVICES OR SYSTEMS, (ADDITIONAL WARNING LIGHTS, ON
BOARD 115 VOLT AC SUPPLY, ETC.), ARE PERMITTED, PROVIDING
RESERVE OR ADDITIONAL GENERATING CAPACITY IS AVAILABLE
OR ADDED.
2. MANUFACTURERS/PURCHASERS SHOULD NOTE THAT THE
"COLD", MAXIMUM RPM, OUTPUT RATING OF THE ALTERNATOR
MAY BE SUBSTANTIALLY HIGHER THAN THE HOT 93° C (200° F)
OPERATIONAL SPEED RATINGS.
The generating system shall supply the maximum electrical load, at the regulated volt-
age, at 93° C (200° F) under hood temperature, and with an engine speed not exceeding
of the furnished engine manufacturer's high idle setting in order to maintain battery
charge at the regulated voltage. The throttle control device, specified in 3.7.6.1, shall
control the engine RPM necessary to maintain the heating and air conditioning systems,
at full operating capacity, and to maintain the generating system's required output when
the vehicle is stationary. The 12 volt electrical system shall incorporate an ammeter (see
3.7.6.2), and a voltmeter or voltage warning device (see 3.7.6.3) which are functionally
connected as shown in Figure 5A or 5B. The final stage manufacturer/supplier shall test
each ambulance prior to delivery and provide, to the purchaser, a written certification
(tag) indicating the amount of generating capacity remaining, at the regulated voltage, at
93° C (200° F), after supplying the total electrical load as manufactured (including the
purchaser options). Testing and tagging shall be in accordance with "AMD Standard
005, Ambulance Electrical System."
3.7.6.1 ENGINE HIGH-IDLE SPEED CONTROL, AUTOMATIC.
An engine high-idle speed control shall be furnished on all vehicles which automatically increases
the engine speed (RPM) to the engine manufacturer's recommended setting to sustain the
ambulance's total continuous electrical load at the regulated voltage, and provide maximum
heating/air conditioning output. The device shall be preset so that, when activated, it will operate
the engine at the appropriate RPM (see 3.7.6). The device shall operate only when switched to
the "ON" position and the transmission is in "NEUTRAL", "PARK" and the parking brake is
applied (when required by the chassis manufacturer). For transmissions without a "PARK"
position, the device shall only function with the transmission in "NEUTRAL" and with the parking
brake applied. The device shall disengage when the operator depresses the service brake pedal
or the transmission is placed in gear, and automatically re-engages when the service brake is
released or when the transmission is placed in neutral or park. The device shall be furnished by
the chassis manufacturer when available.
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