Idex Hale Sam, Техническое руководство

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75
E. Remove flowmeter from piping/manifold/spacer.
F. Note flowmeter orientation (specifically – locator pin).
Installation
A.
Lubricate flowmeter O-rings. (See Table 6.)
B. Install new flowmeter.
(Orient flowmeter so locator pin fits into adaptor/saddle clamp.)
C. Install retaining nut over flowmeter (thread electrical cable thru nut) and hand
start threads.
D. Using 2-1/4-in wrench, tighten retaining nut.
E. At discharge valve motor controller, connect electrical cable according to tags.
F. Install cable ties cut to R&R flowmeter as noted.
G. Close SAM panel(s).
Perform the applicable calibration (or reset) procedures IAW paragraph 5.2.3, page 178.
4.7.3
Pressure Sensors/Transducers
The SAM system utilizes two (2) types of pressure transducer: high pressure Hale transducers
(up to 300 PSI) are used to take individual pressure measurements for all the discharge valves
and for the pump intake and pump discharge pressure measurements; Hale low pressure trans-
ducers are used to detect prime and measure the various tank levels (ITL-40). Both pressure
sensors appear similar and have the same pin layout (see Figure 48).
Figure 48. Hale Pressure Sensor/Transducer And Pin Layout
The sensors are used for multiple purposes within the SAM system: individual discharge valve
pressure (displayed on the SAM Control Center) see Table 29; pump intake and discharge pres-
sure (master pressures) see Table 30; water column pressure (part of automated air bleed) see
Table 31; for the onboard tank water level sensor (or Foam Tank A/Foam Tank B), refer to the
Class 1 Operation Manual, Intelli-Tank Level 40 (P/N 118253).
Table 29. Hale Discharge Valve Pressure Sensor Wiring (From/To Listing)
From Pressure Transducer Pin To Valve Driver Pressure Connector Pin
A (Ground) 3 Ground [Output]
B (Power) 4 Power [Output]
C (Pressure Signal) 1 Pressure Signal [Input]