Nortec 132-3091 - Manual (Page 26)

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NHB HUMIDIFIER
w OR w/o OPTIONAL BLOWER PACK
(BUILT-ON OR REMOTE)
WIRING DIAGRAM NO. 92-0-A REV. 9
6 8 10
S S
14 12 16 18 20 26 22 24
20 61
Y
Y G
STATUS
INDICATOR
LED's
_ _
OPTIONAL REMOTE
YELLOW
INDICATOR
Si 1= 3.15A FUSE
Si 2= 3.15A FUSE
Sx % = MANUAL CAPACITY ADJUST
81
81
82
82
83
83
84
84
85
85
8 10
JUMPER OR
ON/OFF
CONTROLS
IN SERIES
RED WIRE
S S S
S S S
S S S
S
S
x x x
T R A N S F O R M E R
3 P H A S E
C O N N E C T I O N
24 V
COIL
24 V
COIL
G
L1 L2 L3
3 A
FUSE
FILL
VALVE
DRAIN
VALVE
24 V
COIL
24 V
COIL
0N
OFF
DRAIN
1/1
1/3
2/3
1/2
2/2 2/1
NHB MAIN BOARD
OPTIONAL
INTERNAL
FUSE BLOCK
(NHB 050
OR LARGER)
MAIN SWITCH
DOOR
INTERLOCK
SWITCH
EXTERNAL
EXTERNAL
INTERNAL
INTERNAL
TRANSFORMER
( IF REQUIRED ) 3 A
FUSE
24 V
COIL
FAN
RELAY
THERMODISC ( N.O. )
RESETABLE
THERMODISC ( N.C. )
T
HIGH
LOW
TWO SPEED SWITCH
DEDICATED
DISCONNECT
BY OTHERS
B LO W E R
PA C K
T E R M I N A L
B LO C K S
STEP DOWN
TRANSFORMER
T
GROUND
CLAMP
PRI. TERMINAL
BLOCK OR
OPTIONAL FUSE
BLOCK ( NHB
030 OR SMALLER)
OPTIONAL BLOWER PACK ( BUILT-ON OR REMOTE )
OPTIONAL BLOWER PACK
MOUNTED ON/OFF HUMIDISTAT
or JUMPER
INTERNAL
EXTERNAL
CONTACTOR(S)
4
6
7
8
2 4
Si 1
Si 2
Sx %
HIGH
WATER
SENSOR
FAN
3
2
4
1