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2008-10-01
(3) All control electronics are integral to humidifier cabinet and do not require separate
cabinet on the humidifier.
B. Remote Fault Indication
(1) The GS Series provides output signals of the following type:
(a) Humidifier “ON”
(b) Humidifier “Active”
(c) Humidifier “Service”
(d) Humidifier “Fault”
C. Modulating Controls
(1) All models accept a single or dual channel input control signal(s) of the following
type(s):
(a) 0-20 mA
(b) 4-20 mA
(c) 0-5 VDC
(d) 1-5 VDC
(e) 0-10 VDC
(f) 2-10 VDC
(2) The GS Series can accept the following inputs:
(a) Two different modulating inputs demand or transducer signal.
(b) Full tank blowdown activation (24 VAC).
D. On / Off Controls
(1) Safety on/off controls are available from NORTEC as safety accessories. These
controls are highly recommended by NORTEC for high limit or air proving. If controls
were not ordered with the humidifier, they must be supplied by others.
3. ELECTRICAL
(1) Humidifiers require field wiring to primary voltage terminal blocks. The power
requirement is a 120 or 208-240 V single-phase supply. Wiring is fed through a 7/8"
hole on lower right hand side of control compartment.
(2) External wiring sizes must be in accordance with NEC and/or CEC and existing local
electrical codes and by-laws.
4. VENTING
(1) The GS Series of Gas Steam humidifiers offer tremendous venting capability.
Whether you use galvanized B venting or special BH venting, the GS Series comes
ready for field connection. Please make sure that the correct size of vent is used
and follows local codes for proper operation of the unit.
(2) Humidifiers can be vented up to 100 ft (30 m) equivalent without requiring power
assistance . The GS Series can be vented horizontally through the wall or vertically