Ladder type schematic diagram – Hired-Hand Super-Savers (Forced Air Heaters) XL: Maywick SS-225-XL Rev 6-09 User Manual
Page 10

Part No. 4801-5800 Rev. 6-09
Page
10
of
21
Super Saver XL Heater Maywick
LADDER TYPE SCHEMATIC DIAGRAM
230 Volts A.C. 50 Hz Single Phase
LEG 1
LEG 2
GROUND
LINE VOLTAGE
THERMOSTAT
10 AMP FUSE
ON / OFF
TRANSFORMER
24 VAC-40VA, 50/60 Hz
LINE VOLTAGE
LOW LINE
UNITED TECHNOLOGIES
Hot Surface Ignition Control
FLAME SENSOR
PROBE
GND
REDUNDANT
VALVE
MAIN
VALVE
HIGH LIMIT
SWITCH
SAIL SWITCH
IND
L1
HSI
HSIG
L2
PSO
FSG
PSI
W
GV
C
FSI
TRANSFORMER
24 VAC-40VA, 50/60 Hz
MOT
BL
A
C
K
WH
IT
E
IGNITOR
8.
Ladder Type Schematic Diagram