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

Page 16

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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

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