Nortec Industries GS Series GSTC Indoor - Manual (Page 30)

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Page 23
2008-10-01
D. Nortec On / Off Controls with Digital Display
(1) 252-0273 - Duct Mounted Safety High Limit On/Off Humidistat (if used) is wired to
make on drop in humidity, break on rise to safety setpoint. It should be set to
approximately 85% RH as a safety to prevent saturation and wetting in the duct.
(2) 132-9203 - A Duct Mounted Safety Air-Proving On/Off Switch (if used) is wired to
make on airflow, break on no flow. It is used as a safety to prevent saturation
when no air is flowing through the duct.
(3) Low Humidity Alarm Package - Low limit on/off humidistat duct or wall mounted,
alarm light with engraved faceplate sized to fit standard 2” x 3” recessed electrical
wall box supplied by others. Activates alarm light if duct or room airdrops below
setpoint.
(a) Duct – 253-3365
(b) Wall – 253-3366
(4) High Humidity Alarm Package - High limit on/off humidistat duct or wall mounted,
alarm light with engraved faceplate sized to fit standard 2” x 3” recessed electrical
wall box supplied by others. Stops humidifier and activates alarm light if duct or
room air approaches saturation.
(a) Duct – 253-3363
(b) Wall – 253-3364
E. Configuration Option
(1) 150-7057 - This option allows the Gas Steam humidifier to operate using propane
energy.
F. Direct Vent
(1) GS Indoor Direct Vent Package allows GS unit to be installed in an environment
where the air cannot be used for combustion for one of the following reasons:
chemicals or excessive dust is present in the air or the room is under excessive
negative or positive pressure. All these factors could affect adversely the normal
operation of the unit.
(a) GS 100 - 150-7067
(b) GS 200 - 150-7068
(c) GS 300 - 150-7069
(d) GS 400 - 150-7070
(e) GS 500 - 150-7071
(f) GS 600 - 150-7072
G. Stand
(1) GS Series Stands are optional with all models. The floor stands will help raise the
unit to maximum of 27” (69 cm) high.
H. Keep Warm
(1) 150-7059 - GSP Keep Warm Feature, allow water temperature in the tank to be
maintained between 140ºF (60ºC) and 160ºF (71ºC) allows for quick response of
the unit on a call for humidity and to reduce possible bacteria growth for health
concerns.