Installation guide
FM 0120 E 1
26/07/10
Ind.
B
SIROCO S.A.S.
10 rue Jean Rostand - Z.I.
BP 135
69745 GENAS Cedex
Tel: +33 (0)4 78 90 96 96
Fax: +33 (0)4 78 90 15 98
www.siroco.fr
Page 5 of 6
Connect double poles connector according to the following circuit diagram. Use at least 1,5
mm² cable cross-section.
Heater
Fuses values :
Voltage
12 V
24 V
ARIZONA 600
15 A
7,5 A
ARIZONA 400
10 A
5 A
ARIZONA 300
5 A
3 A
4 - Trouble shooting
Fault found
Possible cause
Action to take
Check fuse position and amperage. If necessary
replace it. Before renew a fuse, always identify
causes.
Fuse defective
Examine blowers for a blockage or another type of
defect and rectify the cause.
Switch on ignition and/or main battery switch.
Check battery connections.
No vehicle power
Check vehicle operating instructions for possible
advice.
Connecting cable
damaged or torn out
Replace cable. Check for correct cable routing and
connections according to the circuit diagram.
Electrical connections
reversed
Check connecting wires according to the circuit
diagram and if necessary assemble correctly.
Blower switch defective
Replace the switch with a new original component.
Blockage in fan unit
Rectify cause of blockage, e.g. object in impeller. If
necessary order new unit.
Blower not working
Blower motor defective
Replace plastic part + motor.
No blower power
Check connection on blower switch.
Blower doesn’t operate
at all speeds
Defective resistance
Replace plastic part + motor.
Blower only runs at low
and middle speed
Fuse defective
Replace fuse.
Unit cannot be switched
off
Short-circuit in cable
Rectify circuit diagram. If necessary, install new
cable.
4
12 V
24 V
Resistors
Resistors
Motor
Motor
Fuse
(see table below)
Black wire
Blue wire
Red wire
High speed
Red wire
High speed
Yellow wire : low speed
Orange wire : middle speed
Yellow wire : low speed
Orange wire : middle speed
Thermo-fuse
Thermo-fuse
Fuse
(see table below)