AUTOMATIC PILOT ADJUSTMENT (48 Series Units Only)
1. Set system selector switch at OFF position to shut off unit.
Turn off power to unit.
2. Remove screw cap cover on pilot gas valve to expose
adjusting screw.
3. To ensure that main burners do not ignite, remove wire
from gas valve terminal 2. Tape wire. Do not allow wire
to be grounded.
4. Turn on power to unit. Set system selector switch to HEAT
position and set thermostat to a setting that will call for
heat. Pilot ignites.
5. With a small screwdriver, turn adjustment screw until flame
fully engulfs sensor.
6. Replace cap on pilot gas valve. Turn off power to unit.
Return valve(s) to original position.
7. Check for proper burner operation by cycling the burn-
ers. Wait 30 seconds between burner cycles.
8. Check that all panels are closed securely before leaving
the unit.
Fig. 55 — Charging Chart, 054 Units; System 2,
All Condenser Fans Running
Fig. 56 — Charging Chart, 064 Units; System 1,
All Condenser Fans Running
Fig. 57 — Charging Chart, 064 Units; System 2,
All Condenser Fans Running
Fig. 58 — Charging Chart, 074 Units; System 1,
All Condenser Fans Running
Fig. 59 — Charging Chart, 074 Units; System 2,
All Condenser Fans Running
49
Summary of Contents for 48DJ
Page 58: ...Fig 66 Gas Heat Sections 48DJ NP034 044 Units 58...
Page 59: ...Fig 67 Gas Heat Sections 48DJ NP054 074 Units 59...
Page 60: ...Fig 68 Gas Heat Section 48DK034 044 Units 60...
Page 61: ...Fig 69 Gas Heat Section 48DK054 074 Units 61...
Page 62: ...Fig 70 Typical Wiring Schematic 48 50DJ 50DW Units 054 074 Shown 62...
Page 63: ...Fig 70 Typical Wiring Schematic 48 50DJ 50DW Units 054 074 Shown cont 63...
Page 64: ...Fig 71 Typical Wiring Schematic 48 50DK 50DY Units 054 074 Shown 64...
Page 65: ...Fig 71 Typical Wiring Schematic 48 50DK 50DY Units 054 074 Shown cont 65...
Page 66: ...Fig 72 Typical Control Wiring Schematic 48 50NP 50NB Units 054 074 Shown 66...
Page 67: ...Fig 72 Typical Control Wiring Schematic 48 50NP 50NB Units 054 074 Shown cont 67...
Page 68: ...Fig 72 Typical Control Wiring Schematic 48 50NP 50NB Units 054 074 Shown cont 68...
Page 69: ...Fig 73 Typical Power Wiring Schematic 48 50NP 50NB Units 054 074 208 230 and 460 v Shown 69...
Page 71: ......