Honeywell Q674F Manual de usuario descargar pdf (Pagina 8)

69-0268—11

T874G,R MULTISTAGE HEAT PUMP THERMOSTATS AND Q674F,J,L SUBBASES

M5072A

(HOT) L1

LACO

CHP

ODT 1

RTD 1 EHR 1

RTD 2

ODT 2

EHR 2 RTD 3

SYSTEM

MONITOR

FAN RELAY

COMPRESSOR

CONTACTOR

COOL CHANGEOVER

VALVE

EM. HT.

RELAY

RTD 1

AUX. HT.

LED

(GREEN)

EM. HT.

LED (RED)

FAN SWITCH

AUTO

SYSTEM

SWITCH

EM. HT.

HEAT

OFF

COOL

FALL

H1/C1

ANTICIPATOR

POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.

AUXILIARY HEAT LED AVAILABLE ON SOME MODELS.

THERMOSTAT

SUBBASE

SYSTEM COMPONENTS

Fig. 9. Internal schematic and typical hookup for T874R/Q674L in heat pump system. Includes EM. HT. and AUX.

HT. LEDs and W3 terminal for additional heat stage.

1 2 3 4 5 6 7 8 9 10 11 12

RECYCLING NOTICE 1
Location 2
Mounting the Subbase 2
Wiring the Subbase 2
HT. LEDs 3
Mounting the Thermostat 9
Fig. 13. Wiring connections 10
CHECKOUT 11
CALIBRATION 11
69-0268—11 12

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Honeywell Q674F Manual de usuario Pagina 8

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