ADB L-852D - Page 53

© ADB Airfield Solutions All Rights Reserved 47
Figure 31: Wiring Diagrams for the Heaters
# 2 - HEATER
TWO HEATER ONE THERMOSTAT
WIRING CONFIGURATION
USED WITH ITCF/XXX31X CONFIGURATIONS
CONNECTION TO
POWER CORDSET IN BASE
THERMOSTAT
M
F
M
F
F
BASE
PCB
J1BJ1A
MM
# 1 - HEATER
F
M
F
CONNECTION TO J1A
PCB POWER CONN IN BASE
F
M
M
F
CONNECTION TO J1A
PCB POWER CONN IN BASE
F
MM
J1A J1B
PCB
BASE
F
F
M
F
M
THERMOSTAT
CONNECTION TO
POWER CORDSET IN BASE
ONE HEATER ONE THERMOSTAT
WIRING CONFIGURATION
USED WITH ITCF/A THRU C & J, BI-DIR. 2-CORD
# 1 - HEATER
INSTALL
70A0329 ON HTR
INSTALL
70A0328 ON HTR
INSTALL
70A0328 ON HTR
INSTALL
70A0329 ON HTR
LINES ARE FOR
REFERENCE ONLY
AS A GUIDE TO
CONNECTION PATH
LINES ARE FOR
REFERENCE ONLY
AS A GUIDE TO
CONNECTION PATH
HEATER
CURRENT
CONFIGURARTION
UNI-DIRECTIONAL &
BI-DIRECTIONAL
ONE POWER
SUPPLY
THERMOSTAT
N.O.
60° OPEN
80° CLOSE
PWR
SUPPLY
HEATER
CURRENT
INPUT
CURRENT
CONFIGURATION
BI-DIRECTIONAL
TWO POWER
SUPPLIES
CURRENT
INPUT
THERMOSTAT
N.O.
60° OPEN
80° CLOSE
PWR
SUPPLY
HEATER
CURRENT
INPUT
PWR
SUPPLY
HEATER
THERMOSTAT
N.O.
60° OPEN
80° CLOSE
ATHIN LAYER OF THERMAL COMPOUND
67A0033 IS TO BE APPLIED BETWEEN
HEATERS, THERMOSTAT(S) AND COVER.
BARRIER IS HELD IN PLACE BY PASSING SCREWS FOR HEATERS THRU BARRIER.
THERMOSTAT MAX TORQUE: 6.7 INCH POUNDS.
61A0479/20
ITCF COVER TO BASE BARRIER INSULATING PAPER
44A6760-2220
TOP CVR ASSEM., BI-DIR., 12" L-852B
54A0022-8060
THRMSTAT, NO-HERM STUD, N.O. C80F-O60F
61A0459
HEATER DISC, 2 LEADS
6-32 PAN HD PHIL W/CAPTURED EXT STAR WASHER