BERMAD 400E-Y, Инструкция по установке, эксплуатации и обслуживанию, Страница: 35 / 71

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400E-DP-Y
Model 400E-DP Components List
4. Placing in Service/Resetting
The Dry Pipe valve and the control trim shall be placed in Service in accordance to the most recent IOM procedures for the
specific model.
4.1
Close the supply Isolating Valve.
4.2
Close the emergency release valves.
4.3
Apply supervisory air pressure to the system’s piping and set the pressure at 2.5 ±0.1 barg (36.5 ±1.5 psi) .
4.4
Close All Drain Valves.
4.5
Open the priming-line valve, pull the URV-M reset lever, this allows upstream water pressure to fill the Water
Control Valve’s control chamber.
4.6
When the control chamber pressure gauge indicates full upstream pressure and is no longer rising, the release system
is reset.
4.7
Open the downstream Drain Valve to drain any water from the downstream side of the valve.
4.8
Slowly Open the supply Isolating Valve and check that no water flows into the system.
The system is now operational and in a standby mode.
Item Description Qty Note
1 400E-Y Water Control Valve 1 1
1A Alarm Test Valve 1/2" 1
2A Gauge Valve 1/4" 3
2B Restriction Orifice 1
3A Pressure Gauge 4" 3 2
4B Priming Strainer 1/2" 1
5A Drain Valve 2 4
7B Priming Check valve 1/2" 1
11A Alarm Shutoff Valve 1/2" 1
15B Manual Emergency Release 1
18B Priming Valve - 1/2" Ball Valve 1
26B Hydraulic Relay Valve (HRV) 1
F Fittings and Tubing 3
U URV-M w/ Manual Reset 1
Optional Accessories
P Water-flow Alarm Pressure Switch (PSH)
P2 Low Pressure Switch (PSL)
AC Automatic Water Drain Valve
I Valve Visual Position Indicator
S Valve Limit Switch
W Water Motor Alarm
AMD Air Maintenance Device
1C Air Pressure Regulator
2C
Restriction Orifice
3C Ball Valve
4C Strainer
5C Ball Valve
Notes:
(1) Suitable for Vertical or Horizontal installation
(2) UL-Listed, FM approved
(3) Fitting material: Galvanized/S.S or corrosion resistant equivalent
(4) For 1½ & 2”: ¾” Drain Valve; 3”: 1½” Drain Valve ; 4” and larger: 2” Drain Valve