Carrier 38YY_M...G Installation Manual download pdf (Page 16)

38GL_M…G / 38YY(S)_M…G

R-410A

GB - 15

ENGLISH

Electrical connections

Mod. 38YY(S)2M36G - 38YY(S)2M48G

햲 Mains supply connecting cable (field wiring)

햳 Connecting cable, indoor-outdoor units (field wiring)

쐃 Indoor unit

쐇 Outdoor unit

쐋 Main switch

쐏 Time-delay fuse or circuit breaker

(see table V "Electrical data")

햳

LNRC

햲햳 햳

LNRC

햲햳

쐋

쐏

쐇

쐃

230V ~ 50Hz

RCY W

RCY

PCB

쐋

쐃

230V ~ 50Hz

RCY W

RCY

햲

120

10 100

햳

WARNING!

The system power supply must always be made through the outdoor

unit by means of two independent mains power supplies.

If the indoor units are provided with heaters, their power supply must

be ensured by indoor sections.

Indoor units which are connected to the heat pump units need the

“Multisplit” configuration by remote controller.

The two heat pump circuits can operate simultaneously only in the

same mode (all circuits operating in the Cooling or Heating mode).

The system will not operate if circuit “A” is not energized.

Terminal box legend

Earth

L Live power supply

N Neutral power supply

R Live connection indoor/outdoor unit

C Neutral connection indoor/outdoor unit

Y Compressor interlocking contact

PCB External electronic card

O Reversing valve control (Heat pump only)

W2 Outdoor fan signal (Heat pump only)

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Carrier 38YY_M...G Installation Manual Page 16

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