Johnson Controls tyco DV-5A Manual page 8

TFP1416
Page 8 of 18
A2
C2
J
Notes:
1. Port Connections P1 through P7 are described in Figure 2.
2. External Trim Connections C1 through C5 are described in Figure 6.
3. When ordering pre-assembled "DV-5
through A9 are provided, as applicably related to valve size.
4. When ordering DV-5 Trim separately from the DV-5
A
Pressure Gauges for EMEA valve trim are also separately ordered.
To reset the Dry Pilot Pressure Relief
Valve, first loosen the jam nut and then
adjust the cap accordingly, clockwise
for a higher pressure setting or counter
clockwise for a lower pressure setting.
After verifying the desired pressure
setting, tighten the jam nut.
Step 14. A suitable automatic supervi-
sory air (nitrogen) supply, as described
in the Technical Data section, is to be
installed in accordance with the appli-
cable technical data sheet and set for
10 ± 2 psi (0,69 ± 0,14 bar).
P7
C6
H P3
P2
G
A5
A4
A5
A6
A7
A9
A8
Valve with Galvanized Trim" or pre-assembled "DV-5
A
Valve, Items A1 through A9 are separately ordered, as applicably related to valve size. Water
A
DV-5 VALVE SINGLE INTERLOCK PREACTION
a
DRY PILOT ACTUATION TRIM
SEMI-ASSEMBLED
Step 15. A desiccant dryer, when
required for the supervisory air supply,
is to be installed between a drip leg
and the Model AMD-1 Air Mainte-
nance Device or between the Model
G16AC812 Automatic Supervisory Air
Supply and the Preaction Trim.
Step 16. The Supervisory Low Pres-
sure Switch is to be wired to the super-
visory alarm initiating circuit of an alarm
panel.
A2
C7
D
C
F
E
P4
A
P5
P6
C9
A1
B
P1
C8
K
C1
1-1/2" (DN40) AND 2" (DN50)
VALVES ONLY
Valve with Galvanized Trim and Butterfly Valve", Items A1
A
FIGURE 5
L
C5
A3
C3
C7
C4
M
Assemble in order
from A to M
Step 17. Conduit and electrical con-
nections are to be made in accordance
with the applicable standards of the
approval agency.