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62-0135

4

Q7300A,C,D,G SERIES 2000 COMMERCIAL THERMOSTAT SUBBASES

Typical Wiring Hookups

Fig. 9. Typical hookup of T7300D,F/Q7300A in one-stage heat and

one-stage cool conventional system with two transformers.

Fig. 10. Typical hookup of T7300D,F/Q7300A in two-stage heat and

one-stage cool conventional system with two transformers.

W2

L1
(HOT)

L2

M10230

FAN
RELAY

Y1

G

X

SUBBASE

RC

HEAT
RELAY 1

RH

W1

L1
(HOT)

L2

COMPRESSOR
CONTACTOR 1

HEATING 
TRANSFORMER

COOLING
TRANSFORMER

HEAT
RELAY 2

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

JUMPER RC TERMINAL TO RH TERMINAL WHEN INSTALLED 
ON A SYSTEM WITH ONE TRANSFORMER.

1

1

1

2

2

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

JUMPER RC TERMINAL TO RH TERMINAL WHEN INSTALLED ON A SYSTEM WITH ONE TRANSFORMER.

CONNECT GND TO EARTH GROUND.

INSTALL FIELD JUMPER BETWEEN X4 AND X TO POWER LEDS.

1

1

4

3

4

1

3

M4939A

2

2

L1
(HOT)

L2

FAN
RELAY

Y1

G

X

SUBBASE

RC

HEAT
RELAY

RH

C1

T

T7147 REMOTE COMFORT ADJUST MODULE

GND

W1

C2

L1
(HOT)

L2

COMPRESSOR
CONTACTOR

C4

C3

C5

CA1

T

CA2

CA4

CA3

CA5

T

T

HEATING 
TRANSFORMER

COOLING
TRANSFORMER

X3

X1

X4

EQUIPMENT

MONITOR 2

EQUIPMENT

MONITOR 1

Содержание Q7300A

Страница 1: ...le for your application 3 Installer must be a trained experienced service technician 4 After completing installation use these instructions to check out the product operation Location Subbase without Remote Mounted Temperature Sensor Install the thermostat about 5 ft 1 5m above the floor in an area with good air circulation at average temperature See Fig 1 Do not install the thermostat where it ca...

Страница 2: ... IMPORTANT To avoid electrical interference which can cause erratic performance keep wiring runs as short as possible and do not run thermostat wires adjacent to the line voltage electrical distribution systems Use shielded cable Belden type 8762 or equivalent for 2 wire and Belden type 8772 or equivalent for 3 wire The cable shield must be grounded only at the controlled equipment case Fig 2 Two ...

Страница 3: ...g screws Fig 7 Mounting the subbase WIRING SUBBASE All wiring must comply with local electrical codes and ordinances Follow equipment manufacturer wiring instructions when available Refer to Fig 9 through 17 for typical hookups A letter code is located near each terminal for identification CAUTION Disconnect power before wiring to prevent electrical shock or equipment damage 쐃 Loosen the terminal ...

Страница 4: ...POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED JUMPER RC TERMINAL TO RH TERMINAL WHEN INSTALLED ON A SYSTEM WITH ONE TRANSFORMER 1 1 1 2 2 POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED JUMPER RC TERMINAL TO RH TERMINAL WHEN INSTALLED ON A SYSTEM WITH ONE TRANSFORMER CONNECT GND TO EARTH GROUND INSTALL FIELD JUMPER BETWEEN X4 AND X TO POWER LED...

Страница 5: ...TH ONE TRANSFORMER 1 1 1 2 2 POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED JUMPER RC TERMINAL TO RH TERMINAL WHEN INSTALLED ON A SYSTEM WITH ONE TRANSFORMER USE A1 AND A2 WHEN THE CONTACTS SHOULD BE NORMALLY CLOSED IN OCCUPIED MODE USE A2 AND A3 WHEN THE CONTACTS SHOULD BE NORMALLY OPEN IN OCCUPIED MODE CONNECT GND TO EARTH GROUND INSTALL FIELD JUMPER BETWEEN X4 AND X T...

Страница 6: ...CONTACTOR 1 C4 C3 C5 CA1 T CA2 CA4 CA3 CA5 T T TRANSFORMER E HEAT RELAY 2 HEAT CHANGEOVER VALVE X3 X1 X4 EQUIPMENT MONITOR 2 EQUIPMENT MONITOR 1 FAN RELAY COOL CHANGEOVER VALVE A2 A1 AS AS DISCHARGE AIR SENSOR ECONOMIZER POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED USE ECONOMIZER INSTRUCTIONS FOR INSTALLATION INSTRUCTIONS USE A1 AND A2 WHEN THE CONTACTS ARE NORMALLY CL...

Страница 7: ... X2 L EQUIPMENT MONITOR 2 EQUIPMENT MONITOR 1 FAN RELAY COOL CHANGEOVER VALVE EM MODE POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED USE A1 AND A2 WHEN THE CONTACTS SHOULD BE NORMALLY CLOSED IN OCCUPIED MODE USE A2 AND A3 WHEN THE CONTACTS SHOULD BE NORMALLY OPEN IN OCCUPIED MODE CONNECT GND TO EARTH GROUND INSTALL FIELD JUMPER BETWEEN X4 AND X TO POWER LEDS USE ECONOMIZ...

Страница 8: ...ABS AT TOP OF THERMOSTAT AND SUBBASE OR WALLPLATE Home and Building Control Honeywell Inc Honeywell Plaza P O Box 524 Minneapolis MN 55408 0524 POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED JUMPER RC TERMINAL TO RH TERMINAL WHEN INSTALLED ON A SYSTEM WITH ONE TRANSFORMER USE A1 AND A2 WHEN THE CONTACTS SHOULD BE NORMALLY CLOSED IN OCCUPIED MODE USE A2 AND A3 WHEN CONTAC...

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