Honeywell Q674F Manual do Utilizador descarregar pdf (Página 7)

69-0268—11

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

FALL

(HOT)

EM. HT.

LED (RED)

AUX. HT.

LED (GRN)

AUX. HT. RELAY

EM. HT. RELAY

HEAT

CHANGEOVER

VALVE

W1 RELAY

COMPRESSOR

RELAY

W3 RELAY

COOL CHANGEOVER

VALVE

COMPRESSOR

MONITOR

FAN RELAY

FALL

ANTICIPATOR

C ANTICIPATOR

ANTICIPATOR

POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD

PROTECTION AS REQUIRED.

REMOVE JUMPER WHEN W1 RELAY IS USED.

FACTORY-INSTALLED JUMPER.

M5067

FAN

SWITCH

AUTO

SYSTEM

SWITCH

EM. HT.

HEAT

OFF

COOL

THERMOSTAT

SUBBASE

SYSTEM COMPONENTS

Fig. 8. Internal schematic and typical hookup for T874R/Q674L in heat pump system. Includes CHECK, EM. HT.

and AUX. HT. LEDs.

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 do Utilizador Página 7

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