K-Patents DD-23 - Manual (Page 17)

13
4 Startup
4.1 Divert system pre-startup checklist
1. SDI Isolation valves mounted correctly
a. Vertical pipe; MTG453
b. Horizontal pipe; MTG471
2. DD-23 control unit installed; DIM243, Figure 9.1 on page 37
3. Pressure reducing valve, solenoid valve, steam trap installed and connected to the
prism wash nozzle on each sensor
a. Steam pipes for black liquor; MTG470
b. Nozzle; MTG482
4. 9–15 bar (130–220 psi) steam connected to the solenoid valve on each sensor
5. Instrumentation air 4–6 bar (60–90 psi) connect to the solenoid valve on each
sensor
6. Power supply (230/110Vac/24Vdc) connected; SYS358/Figure 3.1 on page 7, and
WRG366, Figure 3.1 on page 7
a. Transmitter A
b. Transmitter B
c. Divert control unit
d. Solenoid valve A
e. Solenoid valve B
7. Cables connected; SYS358/Figure 3.1 on page 7, WRG366, Figure 3.1 on page 7
a. Transmitter A to sensor A
b. Transmitter B to sensor B
c. Transmitter A to solenoid valve A
d. Transmitter B to solenoid valve B
e. Relay information from the Divert control unit to your control system or the
Divert valve
f. Transmitter A mA output to your control system
g. Transmitter B mA output to your control system
h. Ethernet to your control system (optional)