PAGE 1
October 2011
P/N 432-10035-B
INSTALLATION, OPERATION & MAINTENANCE INSTRUCTIONS
SENTINEL
®
MOTORIZED BALL VALVE WITH ADJUSTABLE CYCLE TIME
Model MDV400L
WARNINGS
DO NOT REMOVE OR REPLACE ANY PART OF THE PRODUCT WHILE IT IS UNDER PRESSURE. SERIOUS PER-
SONAL INJURY AND/OR DAMAGE TO THE PRODUCT MAY RESULT.
DO NOT OPERATE THE PRODUCT IF THERE ARE ANY PRESSURE LEAKS. IF A LEAK IS PRESENT, THE PRODUCT
MAY BE UNSAFE TO OPERATE. REMOVE THE PRODUCT FROM SERVICE IMMEDIATELY.
DO NOT OPERATE THIS PRODUCT ABOVE ITS MAXIMUM OPERATING PRESSURE AND/OR TEMPERATURE.
WHEN INSTALLING THIS PRODUCT, BE SURE TO COMPLY WITH ALL LOCAL, STATE, INTERNATIONAL, AND/OR
GOVERNMENT LAWS, RULES, REGULATIONS AND CODES APPLICABLE TO YOUR INSTALLATION.
DO NOT INSTALL THIS PRODUCT IN A MANNER THAT DISCHARGES TOWARDS PEOPLE OR EQUIPMENT. SERI-
OUS INJURY AND/OR DAMAGE MAY RESULT.
PROPER DISPOSAL OF DRAINED LIQUIDS THROUGH THIS PRODUCT ARE THE RESPONSIBILITY OF THE USER.
Thank you for buying this product.
For optimum performance and safety, please read and understand all instructions before installation.
Personnel must use safe working practices and observe all applicable local and international regulations, safety, health and legal requirements when
installing and operating this product. Improper operation or maintenance of this product could be potentially dangerous resulting in an accident
causing injury or death. Van Air Systems cannot anticipate every possible circumstance, which represents a potential hazard. The Warnings in this
manual cover the most common potential hazards and are therefore not all-inclusive. The installation and maintenance of this product must be in
strict accordance with this instruction manual or the warranty will be invalidated
.
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FIGURE 1
6.06
6.58
6.94
5.75
5.58
A
8.83
3.56
5.31
4.60
2.93
2.60
8.39
8.16
DIMENSIONS
B
10.65
12.96
1 1/2"
2"
3/4"
1/2"
1"
BRASS
1"
3/4"
2-1/2"
1/2"
3"
STAINLESS
STEEL
VALVE
SIZE
(NPT)
VALVE
MATERIAL
WEIGHT
(LBS)
ACTUATOR
TORQUE
(IN/LBS)
300
150*
150*
150*
150*
9.66
8.67
8.18
21.16
16.14
5.78
6.00
5.68
7.73
7.33
3.43
3.00
2.80
6.89
6.10
150*
150*
150*
600
600
B
C
7.51
10.86
11.65
7.78
7.93
8.43
9.13
7.83
9.72
7.02
C
6.81
6.00
1.72
B/2
1 1/2"
2"
10.23
9.48
6.51
6.98
5.40
4.46
14.88
11.65
150*
300
A
600
350
475
780
38
71
110
143
205
19
34
52
FLOW
COEFFICIENT
CV
(316 SS)
* ACTUATOR TORQUE FOR THESE UNITS WITH DC VOLTAGE IS 300 IN/LBS.
LCD DISPLAY
ENTER
ENTER
MODE
MODE
MODE BUTTON
ADJUST UP
BUTTON
ADJUST DOWN
BUTTON
ENTER BUTTON
NOTES:
1. RATED PRESSURE: BRASS
600 PSIG COLD WOG.
SS
900 PSIG COLD WOG
2. VALVES ARE FULL PORT 2 PIECE BALL VALVES
3. AVAILABLE ELECTRICAL: -115VAC-1PH-50/60HZ, MAX CURRENT: 1.7 AMPS
-230VAC-1PH-50/60HZ, MAX CURRENT: 0.9 AMPS
-12VDC, MAX CURRENT: 1.7 AMPS
-24VDC, MAX CURRENT: 0.9 AMPS
(DC VOLTAGE UNITS ARE SUPPLIED WITH POWER CORD BUT WITHOUT PLUG)
4. TIME SETTINGS:
OPEN TIME: 1 SECOND TO 99 MINUTES & 59 SECONDS AT 1 SECOND INCREMENTS.
CLOSED TIME: 1 MINUTE TO 99 HOURS & 59 MINUTES AT 1 MINUTE INCREMENTS.
5. ENCLOSURE RATING:
NEMA 1
6. AMBIENT TEMPERATURE OPERATING RANGE:
40 TO 120°F
†
7. VALVE INTERNAL MATERIALS:
BRASS VALVES;
BALL-CHROME PLATED BRASS
STEM-BRASS, NICKEL PLATED
SEAT-RTFE
316 SS VALVES;
BALL-316SS
STEM-316SS
SEATS-PTFE/TFM
† NOTE: Display may be sluggish at temperatures below 40°F and darkened at
temperatures approaching 110°F (for best results, keep out of direct sunlight).
