LAARS NeoTherm NTV (Sizes 150–285 MBTU/h) - Service Manual User Manual
Page 24
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14
Service Manual NeoTherm 80 - NeoTherm 285
Quick Check of Components in the
Safety Interlock Chain - continued
B1
cont.
Fig. B1-8 - Control voltage for the blower
J2
12. If the unit is receiving a “call for heat,” and all of the
safety switches are OK, the blower should be receiv-
ing control voltage through J2 on the control module.
See Fig. B1-8.
• If power is available at J2, but the blower is
not running, go to Section B18 - “Checking the
• If the blower is running, and the unit does not
fire, go to Section B28 - “Testing the Temperature
13. Replace all of the wiring you changed earlier:
• Remove the jumper for the “call for heat” – TB7
5-6)
• Reconnect the outdoor temperature sensor (TB7
1-2)
• Reset the Anti-Short Cycle setting
• If DHW is connected – Remove the DHW jumper
(TB6 5-6)
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