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ModulatIng and sequencIng BoIlers
dIrect HeatIng WIrIng dIagraM
OUTPUT RATINGS:
120VAC, 6A RESISTIVE
1A PILOT DUTY, 15A TOTAL
FOR ALL CIRCUITS
INPUT RATINGS:
115VAC 60Hz , 30VA MAX
USE COPPER WIRE,
CLASS 1 WIRE ONLY.
L
N
L
N
System Pump
OUTPUT RATINGS:
120VAC, 6A RESISTIVE
1A PILOT DUTY, 15A TOTAL
FOR ALL CIRCUITS
INPUT RATINGS:
115VAC 60Hz , 30VA MAX
USE COPPER WIRE,
CLASS 1 WIRE ONLY.
CAUTION
More than one disconnect switch may be required
to de-energize the equipment before servicing.
L
N
L
N
System Pump
Mini-MOD-CNC & Mini-Extension Installation Manual
Condensing / Non-Condensing Control
SYSTEM
A
OD=
B
<<A>>
C
100%
D
CAUTION
: RISK OF ELECTRIC SHOCK
More than one disconnect switch may be required
to de-energize the equipment before servicing.
PROGRAM
RUN
4 - 20 mA
Signal Outputs
Condensing / Non-Condensing Control
SYSTEM
A
OD=
B
<<A>>
C
100%
D
: RISK OF ELECTRIC SHOCK
PROGRAM
RUN
Voltage
Signal Outputs
Mini-MOD-CNC
25
o
145
o
F
SYS=
F
B
<C>
D
52%
---
---
DO NOT APPLY ANY VOLTAGE
TO INPUT TERMINALS
Mini-MOD-CNC
25
o
145
o
F
SYS=
F
B
<C>
D
52%
---
---
DO NOT APPLY ANY VOLTAGE
TO INPUT TERMINALS
two 4-20ma Modulating
condensing Boilers
and two on/off non-
condensing Boilers
two voltage Modulating
condensing Boilers
and two on/off non-
condensing Boilers
35
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