Bryant DURAPAC 580F - Manual (Page 43)

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TROUBLESHOOTING
I. UNIT TROUBLESHOOTING
Refer to Tables 35-37 and Fig. 47 for unit troubleshooting
information.
II. ECONOMI$ER IV TROUBLESHOOTING
See Table 38 for EconoMi$er IV logic.
A functional view of the EconoMi$er IV is shown in Fig. 48.
Typical settings, sensor ranges, and jumper positions are
also shown. An EconoMi$er IV simulator program is avail-
able from Bryant to help with EconoMi$er IV training and
troubleshooting.
A. EconoMi$er IV Preparation
This procedure is used to prepare the EconoMi$er IV for
troubleshooting. No troubleshooting or testing is done by
performing the following procedure.
NOTE: This procedure requires a 9-v battery, 1.2 kilo-ohm
resistor, and a 5.6 kilo-ohm resistor which are not supplied
with the EconoMi$er IV.
IMPORTANT: Be sure to record the positions of all potenti-
ometers before starting troubleshooting.
1. Disconnect power at TR and TR1. All LEDs should be
off. Exhaust fan contacts should be open.
2. Disconnect device at P and P1.
Fig. 46 — Spark Adjustment
LOW HEAT
580F036-073 — 74,000 BTUH INPUT
580F036-060 (Low NO
x
) — 60,000 BTUH INPUT
MEDIUM AND HIGH HEAT
580F036-073 — 115,000 BTUH INPUT
580F048-073 — 150,000 BTUH INPUT
580F036-060 (Low NO
x
) — 90,000 BTUH INPUT
580F048-060 (Low NO
x
) — 120,000 BTUH INPUT