Steffes 1003 - Manual (Page 20)

PRE-PEAK
CONTROL SWITCH
(OPTIONAL)
CONTROL SWITCH
SETBACK OR WIRED
(OPTIONAL)
ROOM TEMPERATURE
HEAT CALL
DIRECT WIRED (OPTIONAL) - SEE NOTE 1
WIRING HARNESS
CONTROL SWITCH
PEAK
ORANGE (ROOM TEMPERATURE SETBACK)
BLUE/YELLOW (PRE-PEAK)
OUTDOOR SENSOR
BLUE/WHITE (PEAK)
BLUE (L.V. POWER)
L.V. WIRING
BA
CK O
F HE
AT
ER
TERMINAL STRIP
RED THERMOCOUPLE
OUTDOOR SENSOR
ROOM SENSOR
UNIT CONFIGURATION SWITCHES
(See the previous page for an explanation of each.)
LOW VOLTAGE
JUNCTION BOX
(OPTIONAL) - SEE NOTE 1
#2-
#6
#1
DIRECT WIRED
BA
CK
OF
HE
AT
ER
YELLOW (L.V. COMMON)
BLUE/WHITE
BLUE (NOT USED)
OUTDOOR SENSOR
TO NEXT HEATER
(6 HEATERS MAX)
YELLOW
PEAK
BLUE/WHITE (PEAK)
CONTROL SWITCH
BLUE (L.V. POWER)
BA
CK
OF
HE
AT
ER
DIRECT WIRED
OUTDOOR SENSOR
(OPTIONAL) - SEE NOTE 1
Heater Heater Heater Heater Heater W W W W Wiring iring iring iring iring
(cont'd) (cont'd) (cont'd) (cont'd) (cont'd)
19
SINGLE UNIT
FIGURE 13
MULTIPLE UNITS
FIGURE 14
Note 1: If using a direct wired outdoor sensor for automatic charge control, one outdoor sensor is
required for each heater that is installed.