Diesel Fire Pump Controller

Name: Diesel Fire Pump Controller
Brand: Ayso Fire Protection

A diesel fire pump controller automatically starts the diesel engine-driven fire pump when system pressure drops. The controller also monitors the engine and batteries and reports faults as alarms. Engine voltage, battery banks and alarm connections are evaluated together when selecting a diesel pump controller.

Tornatech GPD Diesel Pump Controller

The Tornatech Model GPD is a controller built to the latest edition of NFPA 20, listed under UL 218 and FM Global Class 1321/1323 approved. Its 7″ colour touchscreen ViZiTouch V2.1 operator interface presents pressure, battery voltage, charging current and alarm information on a single screen.

The controller has two independent, fully automatic battery chargers. The engine is cranked with alternating 15-second attempts from battery 1 and battery 2. Date-stamped pressure and event logs can be viewed on the screen and downloaded via USB or a smartphone app.

Weekly test timer, minimum run time and sequential start timers can be adjusted in the field. Modbus TCP/IP communication and remote alarm contacts allow integration with building automation systems.

Diesel Fire Pump Controller Technical Specifications

Specification	Value
Standards and Approvals	NFPA 20; UL 218 (EX3971); FM Class 1321/1323; New York City acceptance
DC System	12 VDC or 24 VDC
AC Supply	120 V/1 ph/60 Hz or 208–240 V/1 ph/50–60 Hz
Battery Chargers	2, independent; 10 A continuous, 500 mA trickle charge; max. 220 Ah battery
Cranking Cycle	6 attempts; alternating 15 s crank from battery 1/2, 15 s rest
Pressure Sensing	External transducer 0–500 psi, 1/2″ female NPT
Enclosure Rating	NEMA 2 (Canada/UAE manufacture); IP55 (European manufacture)
Ambient Temperature	4 – 40 °C standard; 55 °C optional

Technical values are based on manufacturer documents; confirm against the current data sheet before ordering.

Diesel Fire Pump Controller Applications

Diesel engine fire pump stations

Sprinkler, fire hose cabinet and hydrant systems

Packaged and container-type fire pump rooms

Facilities where mains power is unreliable

Related Fire Pump Accessories

Other equipment considered together with the Diesel Fire Pump Controller in the fire pump room:

Frequently Asked Questions

What does a diesel fire pump controller do?

It starts the diesel engine automatically when system pressure drops or a remote start signal is received. It also charges the batteries and monitors the engine, raising alarms.

Which approvals does the GPD have?

The controller is built to NFPA 20, listed under UL 218 and FM Class 1321/1323 approved. It is also accepted for use in New York City.

Which battery capacity can be used?

The chargers are rated for batteries of up to 220 Ah.

How is the engine cranked?

The controller makes 6 consecutive attempts. Each attempt cranks for 15 seconds from battery 1 or 2 alternately, followed by a 15-second rest.

How are controller logs retrieved?

Pressure and event logs can be viewed on the screen and downloaded via the USB port or a smartphone app.

Can it be connected to a building automation system?

Yes. The controller supports Modbus TCP/IP communication via an RJ45 connector and has remote alarm contacts.