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11
ELECTRICAL
NORMALLY OPEN
T
T
GROUND
BUS
SWITCH JUNCTION BOX
120V 60 HZ
ELECTRICAL
SWITCH JUNCTION BOX
120V 60 HZ
ELECTRICAL
NORMALLY OPEN
THERMOSTAT
CONNECTION
WIRING DIAGRAM WITHOUT CONNECTION TO CIRCULATOR
GREEN
(GROUND)
GRAY
GRAY
CONNECTION
THERMOSTAT
(NEUTRAL)
WHITE
BLACK
(HOT)
GRAY
T
T
GRAY
WIRING DIAGRAM CONNECTING TO CIRCULATOR
BLACK
WHITE (NEUTRAL)
GREEN (GROUND)
DIAGRAM "A"
(HOT)
BLACK
GREEN
(GROUND)
(NEUTRAL)
WHITE
DIAGRAM "B"
BROWN (NEUTRAL)
ORANGE (HOT)
GREEN (GROUND)
ORANGE (HOT)
BROWN (NEUTRAL)
GREEN (GROUND)
IMPORTANT NOTE:
BE CERTAIN THAT THE ORANGE
WIRE IS SECURELY CAPED.
FAILURE TO DO SO COULD
RESULT IN INJURY OR FIRE
AND COULD DAMAGE THE CONTROL.
ORANGEBROWNGREEN
Figure 2-1: Connection Wiring Directly to
Central Heating Circulator
Figure 2-2: Connection Wiring without Wiring
Central Heating Circulator
Note to Electrical Contractor:
The
orange
wire
is 120 Volt/4 Amp maximum for central
heating circulator only. Loads greater than 4
amps or 3 amps for HA models only will blow the
fuse on the board. The
brown wire
is the neu-
tral wire for the central heating pump only.
Figure 2-3: For circulator amp loads greater
than 4 amps (3 amps for “HA” models) use the
wiring diagram shown at left. The brown and
orange wires will not be used in this
application.
5
T
1
2
3
6
4
T
1K1
1K2
BOILER
"TT"
GRAY
ZONE
CIRCULATOR
120 VOLT
L1 HOT (BLACK)
GRAY
BOILER
"TT"
THERMOSTAT
ZONE
R845A
SWITCHING
RELAY ZONE
1K1
L2 NEUTRAL
(WHITE)
Содержание HIGH EFFICIENCY HEATER with the "925" Controller
Страница 6: ...GENERAL INFORMATION 6 Figure 1 3 T50M T80M DIMENSIONS...
Страница 7: ...GENERAL INFORMATION 7 DIMENSIONS 80M 140M 199M Figure 1 4 Figure 1 5...
Страница 44: ...MAINTENANCE 44...
Страница 45: ...MAINTENANCE 45...
Страница 46: ...NOTES 46...
Страница 47: ...NOTES 47...