Nortec Industries GS Series - Manual (Page 18)

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WA R N I N G : F a i l u r e t o w i r e t h e c o n t r o l l e r i n a c c o r d a n c e w i t h t h e w i r i n g d i a g r a m t h a t w a s s u p p l i e d
w i t h t h e u n i t c o u l d p e r m a n e n t l y d a m a g e t h e G S T C / G S P b o a r d . S u c h e r r o r s w i l l v o i d t h e u n i t w a r r a n t y.
GS SERIES
EXTERNAL CONTROLS WIRING CONNECTIONS
LOW VOLTAGE TERMINAL STRIP
NOTE: This is a wiring diagram only. For specific wiring instructions, it is necessary to refer
to the wiring diagram which is supplied with each unit.
generic
1 2 3 4 6 5 7 8 9 10 12 11
EXTERNAL
INTERNAL
EXTERNAL
INTERNAL
Security Loop
Modulation
Input
Signal
“A"
Modulation
Input
Signal
“B”
10
Vdc
output
Full
T
ank
Blow
Down
(FTBD)
enable
(24
V
ac)
Safety
Interrupt
(24
V
ac)
NOTE: If no On/Off Control is used then a field jumper
must be connected across terminals 1 and 2 in order
for the humidifier to operate.
14 18 15 16 17 13
COM COM COM COM N.O. N.O. N.O. N.O. N.C.
Humidifier
“ON”
Humidifier
“ACTIVE”
Humidifier
“SER
VICE”
Humidifier
“F
AUL
T”
Low Voltage Terminal Strip
1 & 2: Wire all on/off controls and safeties between these two terminals. If not used, jumper 1 & 2 for the
unit to operate.
4: Modulating input to humidifier “A”.
5: Modulating input to humidifier “B”.
6: 10 Vdc output.
8: When 24 Vac input received, the unit will initialize a full tank blowdown.
9: Safety interrupt (24 Vac).
10 & 11: Remote indication connection for humidifier “on” status indication.
12 & 13: Remote indication connection for humidifier “active” status.
14 & 15: Remote indication connection for service required indication.
16 & 17 & 18: Remote indication connection for fault indication.
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