Davco FUEL PRO 483, Техническое руководство

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FUEL PRO
®
483
TECHNICAL MANUAL
T e c h n o l o g y , L L C
8
DAVCO Technology, LLC P. O. Box 487 Saline, MI 48176 800-328-2611 www.davco.com F1305 REV F
85
30/51
87
86
12/24 VDC
OPTIONAL
RELAY
+ -
Heater
Pre-heater Fuse
Harness
Connector
Ignition
Circuit
Fuse
87A
87
86
85
30/51
The Fuel Pro 483 12VDC or 120VAC electric pre-heater is
installed in the side of the fuel processor .
The drawing below reflects the left side Fuel In/Fuel Out
configuration . Fuel In is also available on the right side .
120VAC Heater Port
12VDC Heater Port
1 . Drain all the fuel from the Fuel Pro . The fuel can be
reused after the pre-heater is installed . If the fuel is not
reused, dispose of it in an environmentally safe way .
2 . Remove the pipe plug in the Fuel Pro base plate .
3 . Apply liquid thread sealant to the pre-heater threads
and install into the Fuel Pro base . Tighten to 15-30 ft-
lbs .
4 . Connect the chassis harness to the Fuel Pro harness .
5 . Connect the power lead to the fused accessory side of
the ignition switch . The fuse rating depends on the pre-
heater installed . Recommended fuse is not included
with the Fuel Pro kit .
6 . Use a relay if the ignition circuit will not handle a mini-
mum required current for the selected heater .
The following is a list of approved fuse ratings.
• 12 VDC System:
- 15 amp Fuse for a 150W heater
- 20 amp Fuse for a 155W PTC heater
- 25 amp Fuse for a 195W PTC heater
• 24 VDC System:
- 10 amp Fuse for a 150W heater
- 15 amp Fuse for a 195W PTC heater .
12VDC ELECTRIC PRE-HEATER INSTALLATION
Pre-heater Wiring with Relay PTC pre-heaters require a 25 AMP fuse . If the keyed circuit will not handle a
minimum of 25 amps, use a relay .
Battery
Fuse
+ –
Pre-heater Circuit with Fuse
Pre-heater
Pre-heater Wiring without Relay
*24VDC pre-heaters require a 15 A fuse .