Voltmaster LN-Series Especificaciones Pagina 4

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2
AT
TO: 120 VAC POWER
CIRCULATOR
120 VAC
INPUT
THERMOST
R
W
T
T
COM
24
VAC
N/O N/C N/C N/O
NH3
4466
5
TO: ZC
SR501
1 ZONE
SWITCHING RELAY
POWER
T STAT
TO: ZR
ALTERNATIVE WIRING
(TANKLESS COIL)
T
SR501 Switching Relay Wiring
AT
TO: 120 VAC
POWER
CIRCULATOR
JUMPER
120 VAC
INPUT
THERMOST
R
W
T
T
COM
24
VAC
N/O N/C N/C N/O
NH3
4466
5
TO: TT ON BOILER
SR501
1 ZONE
SWITCHING RELAY
POWER
T STAT
TYPICAL WIRING
(COLD START)
T
TO: 120 VAC POWER
CIRCULATOR
R
W
T
T
COM
24
VAC
N/O N/C N/C N/O
NH3
4466
5
TO: TT ON BOILER
SR501
1 ZONE
SWITCHING RELAY
POWER *
T STAT *
ALTERNATIVE WIRING
(24 VAC POWERED INPUT SIGNAL)
N
H
REMOVE JUMPER.
DO NOT CONNECT POWER
TO N AND H TERMINALS.
* T STAT LIGHT WILL GO
ON AND OFF WITH 24 VAC
SIGNAL. POWER LIGHT
WILL ALWAYS BE OFF.
24 VAC
SIGNAL
Note: When using Alternative Wiring diagram, the boiler oper-
ating control’s ZC terminal will see the load of the circulator(s).
Warning: When using Alternative Wiring diagram, wiring
instructions must be followed so power originates from the boiler
aquastat. Failure to follow these wiring instructions may result in
a secondary source of power being connected to the boiler that
may activate it under certain circumstances, causing injury or death.
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