34

20. WIRING DIAGRAMS

NOTES

 

 

BLOWER

 

 

 

 

 

 

1. Incoming power must be polarized. Observe

 

 

 

 

 

 

 

 

MOTOR

 

 

 

 

 

AUX. LIMIT

color coding. (See furnace data label for

 

HEATING

 

W

 

 

 

electrical information.)

 

 

 

ONLY

 

 

 

 

 

 

2. If any of the original wires (as supplied with

 

 

BLACK

 

BLACK

R

 

 

BLUE

 

the appliance) must be replaced, use 105˚C

 

 

 

C

 

 

 

 

Thermoplastic type wire or its equivalent.

 

 

 

 

 

 

WHITE

 

 

 

 

 

1

2

3

4

5

6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

COMMON

 

 

 

 

ON/OFF

CONNECTOR

 

 

 

 

FOR OPTIONAL

 

 

 

 

 

 

 

ACCESSORY KITS

 

 

 

 

SWITCH

HOUSING CAP

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WHITE

 

 

 

 

 

BLACK

 

 

 

 

 

GRAY

RED

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLACK

BLACK

 

 

 

 

 

 

 

FUSE3A

HI-LIMIT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FAN SWITCH

 

BLACK

 

 

 

 

 

GRAY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TRANSFORMER

RED

24 V

 

BLUE

 

 

 

 

 

 

 

R

C

 

 

 

 

 

 

 

 

SUPPLIED

 

 

 

 

 

 

 

 

L1

115 V

N

 

BY INSTALLER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ORANGE

 

 

 

 

 

WHITE

 

 

 

 

 

 

 

 

 

 

 

L1

 

 

 

 

 

 

 

 

 

 

 

 

NEUTRAL

 

ORANGE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLACK

 

 

 

WHITE

 

 

 

 

 

 

 

 

 

GROUND

 

GRAY

 

 

 

 

 

 

 

 

 

 

SCREW

 

 

 

 

 

 

 

 

 

BLUE

 

 

 

 

FURNACE ELECTRICAL BOX

 

 

 

 

 

GAS VALVE

 

 

 

LEGENDS

 

 

 

 

 

 

115V:

FIELD 115V:

 

 

 

 

 

 

 

 

 

 

 

FAN ON/AUTO SWITCH

 

 

 

 

 

 

 

 

 

24V:

FIELD 24V:

MANUAL RESET

VENT SWITCH

703887B

Figure 40. Gas Atmospheric Furnace, M1GH 056, 070 Models

Page 34
Image 34
Nordyne M1S, M1G, M1B, M1M owner manual Wiring Diagrams

M1M, M1S, M1B, M1G specifications

Nordyne, a renowned player in the HVAC industry, has introduced a range of high-efficiency gas furnaces, including the M1S, M1G, M1B, and M1M models. Each of these furnaces is designed to provide efficient heating solutions tailored to the needs of homeowners.

The M1S series is well-known for its reliability and performance. It features a single-stage heating process that delivers consistent warmth to any space. With its multi-speed blower, the M1S ensures quiet and comfortable airflow, adapting seamlessly to varying temperature demands. Its robust construction coupled with an energy-efficient design makes it an ideal choice for those looking for dependable heating without sky-high utility bills.

The M1G model steps it up with a two-stage heating system that offers enhanced comfort and efficiency. By operating at a lower speed during milder conditions, the M1G can effectively reduce energy consumption while still maintaining a cozy environment. It is equipped with a variable-speed blower that not only enhances efficiency but also minimizes noise, making it perfect for residential areas. The M1G is designed with advanced safety features, including an integrated control board that monitors furnace functions to ensure optimal performance.

For those seeking a budget-friendly option without compromising on quality, the M1B model provides a solid performance with its straightforward, reliable single-stage heating. While it may lack some of the advanced features found in higher-end models, the M1B is built for ease of use with straightforward controls and maintenance, making it a great option for families.

The M1M model integrates cutting-edge technology with a focus on maximum efficiency. Featuring a modulating gas valve, this model can adjust its output based on real-time heating requirements. This adaptability ensures that the furnace operates at peak efficiency, significantly lowering energy bills and improving overall comfort. The M1M also boasts advanced diagnostic capabilities that allow for easy troubleshooting, thus reducing maintenance time and costs.

In summary, Nordyne's M1 series furnaces—M1S, M1G, M1B, and M1M—offer a range of options to meet diverse heating needs. With technologies designed for efficiency, reliability, and comfort, Nordyne continues to solidify its reputation as a leader in the HVAC market, providing homeowners with effective heating solutions tailored to their lifestyles and budgets.