Johnson Controls Tyco DV-5a Series Manual page 25

Item Description
A DV-5 Valve
a
B System Main Control Valve
C Waterflow Pressure Switch
D Main Drain Valve
E System Drain Valve
F Automatic Drain Valve
G Alarm Test Valve
H Alarm Control Valve (Optional)
J Water Supply Gauge
K Diaphragm Gauge
L System Gauge
M Manual Control Station
LOCATION
FOR OPTIONAL
ELECTRICALLY
SUPERVISED
C
N.O. ALARM
CONTROL
VALVE
C2
C6
H
P3
P2
J
G
Note:
Port Connections P1 through P7 are described in Figure 2.
DV-5
a
Item Description
N Manual Reset Actuator
P Diaphragm Supply Valve
Q Diaphragm Supply Strainer
R Supervisory Air Supply Valve
S Supervisory Air Pressure Relief Valve
T Supervisory Low Pressure Switch
U Dry Pilot Actuator
V Dry Pilot Low Pressure Switch
W Dry Pilot Air Supply Valve
X Dry Pilot Line Gauge
Y Dry Pilot Air Pressure Relief Valve
C7
P4
P7
P5
P6
A
P1
B
P
C1
VALVE - SINGLE INTERLOCK PREACTION DRY PILOT ACTUATION
(Refer to Figures 11 for specific Bills of Materials)
T
X
F
U
D
C9
C8
E
K
N
Q
FIGURE 17
Page 25 of 34
External Trim Connections
C1 Diaphragm Supply Connection
C2 Water Motor Alarm Connection
C3 Dry Pilot Line Connection
C4 Dry Pilot Air Supply Connection
C5 Supervisory Air Supply Connection
C6 Waterflow Pressure Alarm Switch
Connection
C7 Low Air Pressure Alarm Switch
Connection
C8 Main Drain Connection
C9 Drip Funnel Connection
V
C3
Y
C7
W
C4
S
M
TFP1425
L
R
C5