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8.6.2.4 Space Heating

If Controller type (LCDM)= “Unit” or “Unit+Room”.

• Circuit 1

• Circuit 2



Circuit 1 and Circuit 2

• Water Calculation Mode

• Eco offset

• Working Limits

• Mixing Valve

REF Access Description

Default

Value

Range Steps Units Application

Notes

Circuit 1 and Circuit 2 S SC S80 M

C1WC Water Calculation Mode (Circuit 1) Gradient

Disabled

Point

Gradient

Fix

1 - ○ ○ ○ ○ (*4)

C1ECO ECO offset water set (Circuit 1) 3 1~10 1 ºC ○ ○ ○ ○ (*1)

C2WC Water Calculation Mode (Circuit 2) Disabled

Disabled

Point

Gradient

Fix

1 - ○ ○ ○ ○ -

C2ECO ECO offset water set (Circuit 2) 3 1~10 1 ºC ○ ○ ○ ○ (*2)

- Working Limits (Circuit 1 and 2) - - - - ○ ○ ○ ○ (*3)

- Mixing Valve (Circuit 2) - - - - ○ ○ ○ ○ (*2)

? NOTE

(*1): If Water calculation mode for circuit 1 heating (C1WC) is not set as “Disabled”.

(*2): If Water calculation mode for circuit 2 heating (C2WC) is not set as “Disabled”.

(*3): If Water calculation mode for circuit 1 heating (C1WC) or Water calculation mode for circuit 2 heating (C2WC) are not set as “Disabled”.

(*4): For YUTAKI S80 with DSW enabled for cooling, water calculation mode (Circuit 1) is set as “Fix”.

UNIT CONTROLLER

PMML0335A rev.1 - 04/2016

144

Hitachi YUTAKI RWM-2R1E Instruction And Operation Manual

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