Carrier 50UA-UH 135 - Unit Options: Heating Coils; Electric Heater Options; Hot-Water Coil Option

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ʾˀ˂ƼˁƘË̹¿½ËÀ½¹ÌÁÆ¿ƽ 400-3-50 Opt 174 45.0 9.0 / 45.0 65.0 4
Opt 175 72.0 18.0 / 72.0 103.9 4
Opt 176 108.0 27.0 / 108.0 155.8 4
ʾ˃ʽƼˁƘË̹¿½ËÀ½¹ÌÁÆ¿ƽ 400-3-50 Opt 174 45.0 9.0 / 45.0 65.0 4
Opt 175 72.0 18.0 / 72.0 103.9 4
Opt 176 108.0 27.0 / 108.0 155.8 4
ʾ˅ʽƼˁƘË̹¿½ËÀ½¹ÌÁÆ¿ƽ 400-3-50 Opt 177 54.0 9.0 / 54.0 77.9 4
Opt 178 90.0 18.0 / 90.0 130.0 4
Opt 179 144.0 36.0 / 144.0 207.8 4
ʿʽ˂ƼˁƘË̹¿½ËÀ½¹ÌÁÆ¿ƽ 400-3-50 Opt 177 54.0 9.0 / 54.0 77.9 4
Opt 178 90.0 18.0 / 90.0 130.0 4
Opt 179 144.0 36.0 / 144.0 207.8 4
 015*0/4
1.1ƘĽ»ÌÊÁ»À½¹Ì½ÊË
Shielded electric resistance heaters are fully factory-wired
and tested. Each stage is protected against overloads by two
thermal protectors. The low-limit protector with
automatic reset is located above the resistance heaters while
the high-limit protector with manual reset is located in the
heater control box. This high-temperature limit control
offers overload protection and is set to 90°C. It is located
less than MMAFTERELECTRICHEATERS2EFERTOTHECERTIFIED
DRAWINGSand wiring diagrams for the electric heaters and
to the Touch Pilot Control IOM for further information.
The electric heater data is as follows:
4HEAIRmOWLIMITSARETHEMINANDMAXVALUESGIVENIN
the table below:
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ÁÆÁÅÍÅ ¹ÐÁÅÍÅ
135 5456 8184
ʾ˃ʽ 5736 8604
ʾ˅ʽ 7264 10896
205 7336 11004
Á¿ƖʾˀƘĽ»ÌÊÁ»À½¹Ì½ÊÇÈÌÁÇÆ
ʾƖʿƘÇÌƘϹ̽Ê»ÇÁÄ
The hot-water coils offer a fully modulating proportional
three-way valve as standard, with supply air temperature-
based control. They also include two isolating shut-off
VALVESANDAREFACTORYlTTEDWIREDANDFULLYFACTORYTESTED
Frost protection is provided by a low-temperature sensor
and the coils are equipped with a purge system. Refer to
THECERTIlEDDRAWINGSANDWIRINGDIAGRAMSFORTHEWATER
and electrical connections of the hot-water coil and to the
Touch Pilot Control IOM for further information.
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