Nortec NHPC - Page 82

Cylinder
2,3, and 6 electrode
J1
J5
J3
J4
L1
L2
L1
L2
L3
Processor
Board
Display
COM
Fault Remote PCB
NO
NC
Steam
Unit ON
Error
Service
COM
NO
NC
COM
NO
COM
NO
R
Y
G
J3
External
Internal
J2
NOTE: NHTC Only
3 V
Battery
X12
VTX SUPPLY
X7
DRAIN V. INLET V.
X4
CONTACTOR
X3
SC1
M O D U L B M AIN S U P P L Y
LINK UP
J4
EXTERNAL CON
SWITCH
X2
Contactor
Contactor
Optional Fuses
Fill V
Driver Board
A
High Water Plug
J2
J1
CYL. CHECK
1 2 3 4
X8
AUX LEVEL
1 2 3
SC2
2
1
Fill V
Drain V
CPU BOARD
X1
X6
Current Sens
Lev. Sensor
F2
200mA
Cont Sig.
F1
6.3 A
(AC Loads)
1 2
3
4
5
6
7
8 9
Blower Pack
Air Proving
+
N.O.
Security
Loop
(-) Signals
(+) Control Signal
(+) Limit Signal
+ 5 Vdc
Circuit for Cylinder A
Door Interlock
Switch
ON/OFF
Switch
Blower Pack
Primary Power
Cyl. A
Cyl. B
Aux. Drain
Switch
*
*
*
PRI
SEC
V+
IN
GND
IN
GND
BLOWER
V+
IN
LIM.SIGN.
CONT.SIGN.
A
B
C
D
E
F
Continued
on Wiring
Diagram#
2522001
(Cylinder B
Left Cylinder)
which is only
applicable to
double units
NH 150-200
NHTC/NHPC HUMIDIFIER (Cylinder A)
WIRING DIAGRAM
DIAGRAM NUMBER 1509815 REV. E
DATE Sept 17, 2009
R Y BK BL
Y R BK R BL
R
Y
BK
BL
R
BK
BL
Figure 44: NHTC/PC Wiring Diagram (Cylinder A)
79 | Troubleshooting
NHTC/PC Wiring Diagram (Cylinder A)