Johnson-controls CM8M/CMLM*MP Manuel d'utilisateur télécharger pdf (Page 14)

368261-UIM-A-0508

14 Johnson Controls Unitary Products

FIGURE 22: Thermostat Chart - Two Stage Air Conditioner with Single Stage Thermostat – Variable Speed or PSC Modulating Furnace

HM1

Humidistat

Full Stage Compressor

Fan

*PP11C70224

THERMOSTAT

24 – Volt Hot

(Heat XFMR)

24 – Volt Hot

(Cool XFMR)

Full Stage Heat

Clipping Jumper W914 for

electric heat on thermostat

is not necessary

24 – Volt Common

24 – Volt Hot

Single

Stage Compressor

MODULATING

FURNACE CONTROL

Fan

MODULATING

FURNACE

Y/Y2

Second or Full

Stage Compressor

DHUM

Dehumidification-

Open on Humidity Rise

Modulating Heat

Part Numbers:

SAP = Legacy

Move HUMIDISTAT

jumper to “YES”

if humidistat is to be used.

ID MODELS

LO COMP

Single Stage

Compressor (OUT)

Reversing Valve

Energized in Cool

HI COMP

Second Stage

Compressor (OUT)

TWO STAGE

AIR

CONDITIONER

24 – Volt Common

24 – Volt Hot

First Stage Compressor

Second Stage

Compressor

External Humidistat

(Optional)

Open on Humidity Rise

Part Number:

S1-2HU16700124

TM(8,L)M

YM(8,L)M

CM(8,L)M

LM(8,L)M

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Johnson-controls CM8M/CMLM*MP Manuel d'utilisateur Page 14

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