60
GTS HUMIDIFIER LX SERIES INSTALLATION, OPERATION, AND MAINTENANCE MANUAL
USER INSPECTION EVERY 30 DAYS
• Vent adapter and flue gas inspection port are in place with vent pipe
seated and secured.
• Physical support of the appliance is sound without sagging, cracks, or
gaps between floor stand or tank flanges.
• There are no obvious signs of deterioration of the appliance.
• Burner flame is primarily orange in color when operated under low
demand, and primarily blue in color when operated under high demand.
• Check for alarms and messages through the alert log. See Vapor-logic
controller instruction manual for description and troubleshooting.
• Check ignition sequence:
1. Blower RPMs ramp up and then level off.
2. Gas valve on (click) 4 seconds after blower starts
3. Flame on the burner
4. Flame rectification - flame is sensed
5. Burner stays on - visual flame/glow
Table 60-1:
GTS products of combustion
guidelines (at 100% demand)
CO
Must be less than 400 ppm.
0-60 ppm typical.
CO
2
%
8-9% is typical for natural gas,
9-10% is typical for LP gas
O
2
%
5.5% ±1.0%
Flue
temperature
Less than 140°F
(Less than 60°C)
Thermal
efficiency
Greater than 91%
NOx
20 ppm max, (domestic units)
Inspection recommendations
MAINTENANCE
Troubleshooting
The
Vapor-logic Installation and Operation
Manual
that shipped with your humidifier is a
comprehensive operation manual. Refer to it for
troubleshooting information.
WARNING
SHUTDOWN PROCEDURE
To prevent severe personal injury
or death from electrical shock, fire,
or explosion, follow this shutdown
procedure before performing service
or maintenance procedures on this
humidifier.
1. Use Vapor-logic display, change
the control mode to Standby.
2. Place all power disconnects in OFF
position and lock in OFF position.
3. Close field-installed manual supply
water shut-off valve.
4. Close gas shut-off valves.
