Available Models ��������������������������������������������������������������������������������������������������������������������������������������������������������������������2
AirPrime™ - How Does It Work ����������������������������������������������������������������������������������������������������������������������������������������������3
Air Schematic, PPV, Air Hose and Connections ���������������������������������������������������������������������������������������������������������������������5
Automatic Single Location AirPrime™ System ���������������������������������������������������������������������������������������������������������������������� 6
Automatic Single Location AirPrime™ System with Optional Vacuum Gauge ����������������������������������������������������������������������7
Manual Single Location AirPrime™ Systems ������������������������������������������������������������������������������������������������������������������������� 8
Multi Location Installation and Operating Instructions ����������������������������������������������������������������������������������������������������������� 9
Multi Location Automatic AirPrime™ System Diagram �������������������������������������������������������������������������������������������������������� 10
Multi Location Manual AirPrime™ System Diagram ������������������������������������������������������������������������������������������������������������11
AirPrime™ Industrial and SC Systems ��������������������������������������������������������������������������������������������������������������������������������� 13
Annual Primer Testing �����������������������������������������������������������������������������������������������������������������������������������������������������������14
Warranty and Product Information ���������������������������������������������������������������������������������������������������������������������������������������15
Repair/Replacement Parts ���������������������������������������������������������������������������������������������������������������������������������������������������16
™
Available Models
Automatic Control
Automatic Base Model
Automatic Base Model with Lift Gauge
Automatic Multi Location
Automatic Multi Location with Lift Gauge
Manual Control
Manual Base Model
Manual Base Model with Lift Gauge
Manual Multi Location
Manual Multi Location with Lift Gauge
AirPrime™ Overview
Trident has several AirPrime models to meet your specic
operational requirements.
Base Models: All models available in 2 or 3 barrel design
(depending on your water pump capacity and chassis air
compressor size CFM).
Direct Mount: Models bolt directly to a Hale Q Model midship
pump’s priming port with two bolts. The Hale pump model name
must begin with a Q. e.g. Qmax.
Remote Mount: This type can be used with any pump, have a
3
⁄4" female NPT connection and require a simple bracket to hold the
unit to the frame.
Multi-Location: Priming from multiple locations.
Variations and Options:
1. The AirPrime is available in either manual and automatic single
location models.
1. Multi-Location AirPrime is available in manual or automatic
models.
2. Automatic versions are available in 12 and 24 Volt models.
3. Lift Gauge which indicates how much vacuum (in feet-ofwater) the primer is creating to prime the pump.
4. Conversion Kits for Manual to Automatic and for adding more
locations are available. Refer to Page 16.
5. AirPrime is also available for small trucks without air brakes.
See Page 5 for additional information.
Trident Emergency Products, LLC
2
2940 Turnpike Drive | Suite #9 | Hatboro, PA 19040 USA
For more information on all available models please visit:
www.TridentDirect.com or www.TridentAutoAirPrime.com
AirPrime™ - How Does It Work
Installation and Operation Guide
Air In
From Chassis
Air Brake
System
Manifold
Piston Valve
Opens With
Air Pressure
Orange Arrows…
Air Flows Through
The Primer Body In 3
Stages for Maximum
Flow and Vacuum.
The Venturi Action
Creates the Vacuum
to Prime the Pump.
Incoming Air Flow OFF.
Air supply from chassis
brake system is OFF.
Control Solenoid
Used For Additional Priming
Points To Be Pre-Primed
1
2
3
Discharged Air Out
Vacuum Inlet from
Priming Points
White Arrows
Indicate Debris
Into Strainer Area
Strainer Cleanout
1
⁄4" NPT Air Supply Inlet
How Does It Work?
AirPrime utilizes air supplied from the chassis air brake
compressor to operate the re pump primer� This is
proven to be far more efcient and reliable than electric
motor driven rotary vane primers�
AirPrime virtually eliminates the impact load on the
electrical system improving vehicle reliability�
AirPrime also improves performance in the elapsed time
for establishing water supply resulting in improved re
ground operations and safety�
Auto Prime Move Switch to the upper position� The
Green LED light will illuminate� The primer will activate
when the OK TO PUMP light is ON and the Pump
Pressure is below 20 PSIG�
The Auto Mode only operates when the re pump is
engaged�
Auto Prime PositionOff Position
Incoming Air Flow OPEN.
1
⁄4" NPT Air Supply Inlet
Air supply from chassis
brake system is ON.
Air enters and activates
primer.
To
Primer switch shown
in OFF position. LED
indicator light is OFF.
Switch will illuminate
when in AUTO PRIME
position.
Water Pump
Priming Point
Primer switch shown in
AUTO PRIME position.
Green LED indicator light
is ON.
1. Press switch DOWN
and hold for Manual
Water Pump
Priming Point
Prime.
2. Press switch UP for
AUTO PRIME.
3. Center position is OFF.
Discharged Air
NFPA #1901 and #1906 – Fully Compliant to Standards
Pump Panel Noise Level – Lowest dB in the Industry
AirPrime Primers can be used for both New and Retro-Fit installations. In Retro-Fit scenarios, AirPrime may be used to augment the
existing primer or as a complete replacement. Automatic AirPrime models provide instant re-priming of the pump when required.
An existing rotary vane primer can be upgraded to an Automatic Primer by adding a single location Auto AirPrime.
( 215-293-0700 7 215-293-0701
sales@tridentdirect.com
To
OK TO PUMP
3
AirPrime™ Fire Pump Priming System
1.563"
2.00"
2.00"
.625"
(4) Mounting Holes
1/4"-20TPI x 5/8" Deep
Primer
Outlet
Primer Body
Mounting Template
Pump
Body
O-Ring
Hale
Black
Plastic
Strainer
Primer
Outlet
Hale Direct Mounting
Installer Responsibilities
Air Compressor Size
1. The 2-barrel AirPrime must be used only on re pumps rated 1000 GPM [3800LPM] and less. The chassis shall be equipped with a
minimum of 13.2 CFM [0. 3 74Cubic Meters per Minute] air compressor.
2. The 3-barrel AirPrime must be used only on re pumps rated 1250 GPM [4700LPM] and more. The chassis shall be equipped with a
minimum of 15.6 CFM [0.442Cubic Meters per Minute] air compressor.
3. For Industrial Pumpers The Dual Unit requires an air compressor with greater than 20 CFM [6.09Cubic Meters per Minute] capacity. The
Triple Unit requires an air compressor with greater than 30 CFM [ 9.14Cubic Meters per Minute] capacity.
NOTE: For operations above 4000 feet [1219 meters] of elevation and lifts greater than 15 feet [4.5 meters], a minimum air compressor size
of 18 CFM [0.510 Cubic Meters per Minute] or larger is required.
Basic Materials Supplied by Installer
1. A 3/8"OD (.251 ID) air hose from the air tank (primary or auxiliary tank) with 1/4" NPT connections (length determined by installer).
2. Primer mounting bracket. (Only required for remote mount.) See Figure #2.
3. Non-collapsible 3/4" minimum inside diameter (ID) air hose from primer to re pump with 3/4" NPT connections.
4. A Pressure Protection Valve (PPV) (Optionally available from Trident, Part # 30.053.0).
5. A 1-1/4" [32 mm] inside diameter hose may be connected to the primer outlet using a hose clamp to secure it in place. NOTE: Loosely
tighten this hose clamp to avoid damage to the primer discharge ports. This hose can direct the water that is discharged from the
primer to any convenient location under the vehicle. Be sure this hose is properly secured, kept as short as possible, free of any kinks,
sharp bends and pitched to allow drainage.
6. Liquid thread sealant or Teon tape is required for all threaded pneumatic ttings.
NOTE: Use sparingly while applying sealant to avoid blockage of the internal mesh air lter. See Page 5, Figure #5.
™
Remote Primer Mounting
1. An installer supplied primer bracket shall be installed to secure the primer within the pump enclosure. The mounting height for all
priming components must be ABOVE the highest priming point on suction side of re pump (or above the highest remote priming valve
for multiple location systems) to permit air removal and allow for complete drainage. See Figure #2 for mounting bolt hole template.
NOTE: Primer MUST be mounted VERTICALLY with the Primer Outlet discharge (round) ports facing downward as shown in Figure #1.
2. Hose from the 3/4" NPT cleanable wye strainer on the primer inlet to the 3/4" NPT re pump priming port shall be non-collapsible 3/4"
minimum inside diameter.
3. The AirPrime and attached wye strainer shall be installed in an accessible location for serviceability per Figure #3 on Page 5. The
installer may choose from one of the options below as a method of draining the strainer:
a) Remove threaded plug on wye strainer for draining during annual pump service. Refer to Page 13 for Troubleshooting Guide.
b) For draining purposes, the strainer may be piped to the Master Drain of the re pump system by the installer, especially helpful in
climates with freezing conditions.
c) Alternatively a separate drain with valve and label may be piped to the bottom of the pump enclosure by the installer.
NOTE: If a front suction inlet is provided, a REMOTE PRIMER mounting is required. Refer to drawings of front suction plumbing on Pages 11
and 12.
Primer Mounting
Figure #1 illustrates the proper mounting
of the primer to a Hale Q Series cross-frame
midship re pump. Use the black plastic
strainer provided with the re pump from
Hale.
Figure #2 shows the dimensions for the
tapped holes in the primer body.
Trident Emergency Products, LLC
4
2940 Turnpike Drive | Suite #9 | Hatboro, PA 19040 USA
Figure 2Figure 1
Air Schematic, PPV, Air Hose and Connections
3/4" NPT
Hose
Strainer
Inlet Strainer Mounting
™
Primer Outlet
Point
Straight
Down
Typical Chassis
Air Supply System
From Engine Air Compressor
Primary
Reservoir
PPV
Supply
Reservoir
Minimum 3/8" Air Brake Tubing
To AirPrime Primer Air Inlet
Air Supply Schematic
The AirPrime must be connected to the vehicle’s air brake system exactly as shown
in Figure 4 below. The schematic below is typical for most trucks built today.
1. Air compressor supply is shown as .
2. Supply reservoir (wet tank) is shown as .
3. Primary reservoir (typically for the rear brakes) is shown as .
4. Pressure Protection Valve (PPV) is shown as and in photo at right.
5. Figure a shows a customer supplied SCBA Cylinder used with the Trident
Pressure Regulator for use on trucks without airbrakes.
The regulator is available separately as Part #14.013.0.
Installation and Operation Guide
PPV
#30.053.0
Sold Separately
Alternate Air Supply and Regulator
Figure 3
12
3
1
5
Figure 4
4
5
Figure 4a
Air Supply, Hose and Connections
The air source used to supply the AirPrime shall be from the primary air reservoir in Figure #4 or a secondary air reservoir (normally
used for air horns, air accessories or re pump shifting system).
The supply line from the Pressure Protection Valve (PPV) in Figure #4 to the primer control should be a minimum size of 3/8" OD air
brake tubing and connected at both ends with 1/4" NPT ttings (connections and tubing must be rated for air brake service). The tubing
should be kept as short as possible, secured at regular intervals, free of any kinks or bends and must not be run near exhaust pipes
(Stay 6" [150 mm] away from any exhaust or hot components), mufer, or rotating shafts. Use grommets to protect the tubing lines from
contacting sharp edges at hole locations.
When the length of tubing required exceeds 20 feet [ 6.1 m] , a minimum size of 1/2” OD air brake tubing should be used.
Pressure Protection Valve (PPV)
The Pressure Protection Valve (4) is not supplied with the basic primer kit. A Trident PPV, Part #30.053.0
may be purchased separately, a Bendix PPV, Style PR-4, Part #288323 or its equivalent may be used.
The PPV valve must be installed per Figure #4 between the primary air supply reservoir and the
AirPrime primer air inlet. The valve protects the air brake system from any leaks that may occur in the
primer control or the line from the PPV to the primer control. The pressure setting for the PPV is 80 PSIG
maximum.
Air Filter Port
This cleanable porous lter is located inside the top of the primer body, below the threaded area on the
air supply connection or solenoid connection. See Figure #5.
A replacement lter is available as Part #21.002.0. When replacing, the domed side faces up.
Figure 5
( 215-293-0700 7 215-293-0701
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