Technical data

HL 90
44
Figure 15: Legend to the circuit diagrams Figure 16 to Figure 18
Item Designation Comment
A1 HL 90 heater 24 V
A1 HL 90 heater 12 V
A2 Control unit 24 V
A2 Control unit 12 V
B1 Flame monitor 12/24 V
B2 Temperature limiter 12/24 V
B3 Cabin thermostat 12/24 V
E Glow plug 4 V
F1 Blade-type fuse 24 V 20 A
F1 Blade-type fuse 12 V 20 A
F2 Blade-type fuse 24 V 20 A
F2 Blade-type fuse 12 V 20 A
F3 Blade-type fuse 12 V 10 A
F3 Blade-type fuse 24 V 7.5 A
H1 Switch-on indicator heating 24 V
H1 Switch-on indicator heating 12 V
H2 Switch-on indicator heating/ventilation 12/24 V
H2 Switch-on indicator heating/ventilation 12/24 V
H3 Symbol light for digital display
H4 Ready indicator heating
H5 Switch-on indicator heat-
K1 Relay In control unit
K2 Relay In control unit
K3 Relay In control unit
K4 Relay In control unit
K5/K6 Relay (as required) 24 V
K5/K6 Relay (as required) 12 V
M Motor 24 V
Item Designation Comment
M Motor 12 V
P Digital timer 1522 24 V
P Digital timer 1522 12 V
R1 Resistor 24 V
R1 Resistor 12 V
R2 Glow plug series resistor. 24 V
R2 Glow plug series resistor 12 V
S1 4-stage switch
S2 On/off switch
S3 Full load/part load heating switch
S4 Full load/part load heating thermostat
S5 Full load/part load ventilation switch
S6 Battery switch In vehicle
T Transistor In control unit
XA Plug connection for recep- 6-pin
XB Plug connection for recep- 2-pin
XC Plug connection for recep- 14-pin
X00 Terminal connection Glow plug -
X0 Terminal connection Glow plug +
X1 Plug connection 1-pin
X2 Plug connection 2-pin
X3 Plug connection 2-pin
X4 Plug connection 2-pin
X5 Plug connection 2-pin
X6 Plug connection 2-pin
X7 Plug connection 4-pin
X8 Plug connection 8-pin
Y Metering pump 24 V
Y Metering pump 12 V
HL90 EA_de_en_fr.book Page 44 Wednesday, June 5, 2013 10:17 AM