Start-up - direct gas, S - 8 – Greenheck DG / DGX Industrial Space Heating (464044 IOM) (Pre-2009) User Manual
Page 16

Step 11 Flame Signal Check
To measure the flame signal connect a standard DC
voltmeter to the flame amplifier test jacks + and -
(com) as shown in figure #26. The flame signal should
be above 1.25 VDC and steady.
Check the flame signal with the burner at pilot only,
minimum fire, mid-fire and high-fire.
NOTE!
If the flame signal is not above 1.25 VDC and
steady, consult the troubleshooting section.
Start-Up - Direct Gas
Step 8 Set Daytime Temperature
Set the daytime temperature settings to the desired daytime space temperature, the setting is located in the
TSCP. See figure #25.
Step 9 Set Nighttime Temperature
Set the nighttime temperature settings to the desired
nighttime space temperature, the setting is located in
the TSCP which should be mounted in the space. See
figure #25.
Step 10 Program The 7 Day Time Clock
Follow the detailed Programming and Operating
Instructions for 7 Day Time Clock that shipped with
the unit. Set the timer
ON times to the times when the
daytime temperature setting is to be used. Set the
timer
OFF times to the times when the nighttime
temperature setting is to be used. See figure #25.
S - 8
NOTE!
For units without a 7 day time clock,
skip steps #9 and #10.
NOTE!
For the unit to function properly, the day
temperature should always be set higher than
the night temperature.
Night
Temperature
Setting
(Optional)
7 - Day Timer
(Optional)
Terminal Strip
Transformer
Day Temperature
Setting
Figure 25.
TSCP Controls
Figure 26.
Flame Signal Check