Nordyne MGHA Series Installation Instructions Manual Download Page 8 | Manualshive

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¢707893P¤

707893A

O'Fallon, MO

707893A

(Replaces 70789300)

Specifi cations and illustrations subject to change

without notice and without incurring obligations.

Printed in U.S.A. (06/09)

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Summary of Contents for MGHA Series

Page 1: ...stallation Specifications or designs are subject to change or to discontinuance without notice and without incurring obligations These instructions are primarily intended to assist qualified individua...

Page 2: ...blower using the two self tapping screws provided The thermostat terminations should be towards the top of the furnace The furnace door should not interfere with the relay box Reattach the relay box...

Page 3: ...6 M M H H 070 075 077 L M H H 056 066 070 L M H H Blower Speed Selection Chart For use with Blower Kit No 903412 1 3 HP 2 Speed Furnace Input Heating Speed Setting Cooling Speed Evap Coil 024 036 030...

Page 4: ...pump only Set the furnace fan switch to AUTO the thermostat system switch to EMERGENCY HEAT and the thermostat fan switch to AUTO CONTINUOUS AIR CIRCULATION Set the thermostat fan switch to ON SHUT OF...

Page 5: ...5 Figure 6 A C Heat Pump Relay Box Exploded View Model p n 902898A Model p n 903092A AUTO FAN ON COOL OFF HEAT 6 3 8 4 1 7 2 9 5 Figure 5 2 Wire Relay Box Exploded View 2 3 8 4 1 5...

Page 6: ...6 Figure 7 System Wiring 5 Wire Harness 6 Wire Harness 5 Wire Harness 5 Wire Harness 5 Wire Harness Yellow for MM MG furnaces Grey for M1 furnaces...

Page 7: ...7 Figure 8 Wiring Schematics 2 Wire Circuit Board used in relay box 903092A 2 Wire Circuit Board used in relay box 902898A...

Page 8: ...707893P 707893A O Fallon MO 707893A Replaces 70789300 Specifications and illustrations subject to change without notice and without incurring obligations Printed in U S A 06 09...

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