GLOW T180 - Set Point Temperature

Glow T180
Tankless Condensing Water Heater
49
Adjustment (NOTE: A properly calibrated combustion analyzer must be used.)
Δ Flow maximum water through heater by opening laundry or bathtub faucet. Set heater to its maximum
capacity using following steps.
1. Enter the Service
Menu
2. Scroll through
Parameter List
3. Select parameter
4. Alter value of
parameter
5. Confirm / cancel
alteration
Hold [MENU] button
for 5 sec.
Scroll through the
parameter list with
the [UP] / [DOWN]
buttons.
Select a parameter
210 value by
pressing [ENTER].
Alter a value of the
parameter with the
[UP] / [DOWN] buttons
to Hig.
Confirm (save) with
[ENTER] or
Cancel with [RESET].
Δ If the CO
2
value does not correspond to the specied range, (As indicated in the Specications Table below),
turning the throttle screw clockwise will reduce the ow of gas as it enters the gas train thereby reducing the
CO
2
value allowing for a leaner fuel mixture. Turning the screw counter clockwise will increase the ow of gas
resulting in a higher CO
2
value.
Δ It may be necessary to set the throttle to the higher value within the range for longer vent lengths while setting
to the lower value range for short vent lengths.
Δ Only the line test ports and the throttle adjustment screws are to be affected as required. All other screws
do not need to be touched since they are preset at the factory. Failure to do so may result in erratic and
unreliable burner operation, increased fuel consumption leading to reduced efciency and general unsafe
operation. Failure to follow these instructions may result in serious injury
Δ Recycle the main supply power to bring the heater to its normal condition.
Δ CO readings should be under 200 ppm. Consult factory if readings exceed 200 ppm.
CO (ppm)
Nominal Min . Max. Nominal Min . Max. Max.
Natural Gas 7 3.5 10.5 9.2 8.8 9.8 200
Liquid Propane 11 8 13 10.5 10.0 11.0 200
8200
1450
Minimum (RPM)
Gas Type
Natural Gas/Propane
Frequency
GAS TYPE
GAS PRESSURE (INCHES W.C.)
CO2%
Maximun (RPM)
Table 4.1
Table 4.2
4.8 Set Point Temperature (When utilized for Space Heating)
The temperature setpoint cannot exceed 145°F when in ECO or Comfort Mode and/or connected to a space
heating source that utilizes an automatic DHW ush cycle. Cycle duration should not exceed 5 minutes every 24
hours. Failure to set properly may result in A16 Lock-out.