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Hydraulic Fan System Controller with
Reversing — HFS-2
HFS-2 with WeatherPack connectors, P/N:
HFS-2Q

HFS-2Q Fan Controller

HFS-2 Fan Controller
1
x 6 way Weatherpack FEMALE
for all thermistor inputs
and 2 x 4 way Weatherpack’s for power and control
functions.
Application Information:
Optimizes fan
speed control relative to temperature requirements.
Engines or
systems without J1939 capability.
Uni or
Bi-Directional hydraulic fan drive applications.
OEM, Re-power
and Retro-fit opportunities.
Bi-Direction fan direction and speed control
 
On-road and
Off-Road suitable mechanical package.
Complimentary
controller to expand existing system functionality
Product Feature Overview:
Pre-written
Windows™ software application, ready for user values.
3 x discrete temperature zone sensor inputs
Automatic or
Manually initiated fan reverse cycle
Charge air
priority/limiting and noise test features
1 x PWM
output for any make of proportional valve or pump control.
1 x ON/OFF
output for reverse fan direction valve
1 x ON/OFF
output for alarm integration into host system
Open and
short circuit cable protection with monitoring
Heavy duty
industry standard 2 part or WeatherPak connectors.
System
‘error’ indicator LED with blink code.
Unit uses HCT
Opto2000
system for set-up and PC communications - Part No:
999-10064.
Housing Type:-
HCT unique
‘encapsulated’ block.
Input Supply Voltage:
10 to
32VDC ( Absolute Maximum )
Input Supply Current:
Valve Current Setting + 200mA Quiescent
(Max)
Command Input Type(s):
3 x 2 wire
Thermistor, temperature switch ( software selectable )
2 x on/off inputs for fan speed over ride
( software selectable ).
Command Input Value(s):
Ohms only ( Max temp = 50
Ω Min temp =
2MΩ)
Additional
2 x Contact closure
Proportional Output:
1 x PWM up to 3.3A max current
Reverse cycle I/P:
Lo to Hi logic input with software de-bounce
Reverse valve Output:
1 x ON/OFF up to 3.3A max current
Alarm Output:
1 x ON/OFF up to 3.3A max current
Dither Frequency :
Software
adjustable, ~30 to 250Hz
Housing Material:-
Black, Polycarbonate
Wire Connections:-
1 x 6
& 1 x 8 Pin Weidmuller or 1 x 6 & 2 x 4 Pin Weatherpack (HFS-2Q)
Encapsulation:-
Flameproof epoxy resin
Mounting:-
3 x No. 8 ( 5mm ) screws
Temperature range:-
- 40
to +75
ºC ( operational )
NEMA/IP Rating:
NEMA 6P/68
( Module only )
derate
for connector as required
CE compliance:
Pending
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Electrical
Connection Diagram:
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Hydraulic Fan System Controller with
Reversing & J1939 — HFS-J

Application Information:
Optimizes fan
speed control relative to temperature requirements
Engines or
systems
with J1939
capability
Uni or Bi-Directional fan feature allows radiator ‘purge’ or
‘De-Ice’
OEM, Re-power
and Retro-fit opportunities
On-road and
Off-Road suitable mechanical package
Very cost
effective ‘all-in-one’ hydraulic fan system controller
Bi-Direction fan direction and speed control
 

RS232 Programming Cable, 999-10075
Product Feature Overview:
Pre-written
Windows™ software application, ready for user values
3 x temperature zone inputs direct from J1939 bus
2 x discrete inputs for switches OR temperature sensors
1 x PWM
output for any make of proportional valve or pump control
2 x ON/OFF
outputs for fan reverse valve and external alarm
J1455 ( load dump) compliant power protection
Heavy duty
industry standard Deutsch connector
System
‘error’ indicator LED with blink code
Uses HCT's
RS232 programming
cable, P/N: 999-10075
Housing Type:-
HCT unique
‘encapsulated’ block.
Input Supply Voltage:
10 to
32VDC ( Absolute Maximum )
Input Supply Current:
Valve Current Setting + 200mA Quiescent
(Max)
Command Input Type(s):
J1939
for charge air, transmission and water temps
2 x additional discrete inputs for switch OR temperature sensors
Command Input Value(s):
Ohms only ( Max temp = 50
Ω Min temp =
2MΩ)
Additional
2 x Contact closure
Proportional Output:
1 x PWM up to 3.3A max current
Reverse cycle I/P:
Lo to Hi logic input with software de-bounce
Reverse valve Output:
1 x ON/OFF up to 3.3A max current
Alarm Output:
1 x ON/OFF up to 3.3A max current
Dither Frequency :
Software
adjustable, ~33 to 500Hz
Housing Material:-
Black, Polycarbonate
Wire Connections:-
12 way male Deutsch—polarized
Connector type:-
DT15-12PB
RS232 Communications:
4 way Weatherpak connector
Encapsulation:-
Flameproof epoxy resin
Bi-Direction fan direction and speed control

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