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62-0135

7

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

Fig. 15. Typical hookup of T7300E,F/Q7300C in three-stage heat and two-stage cool heat pump system.

Fig. 16. Typical hookup of T7300E,F/Q7300D in three-stage heat and two-stage cool heat pump system.

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

EM. MODE IS ON CONTINUOUSLY IN EMERGENCY HEAT MODE.

EM. HT. RELAY CYCLES IN EMERGENCY HEAT MODE.

1

2

3

3

2

1

M4940A

HEAT
RELAY 3

W2

L1
(HOT)

L2

Y

O

G

SUBBASE

X

EM. HT.
RELAY

R

B

COMPRESSOR
CONTACTOR 1

Y2

COMPRESSOR
CONTACTOR 2

TRANSFORMER

W3

E

HEAT
RELAY 2

HEAT
CHANGEOVER
VALVE

X1

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 ECONOMIZER INSTRUCTIONS FOR INSTALLATION DIRECTIONS.

1

1

3

M4948A

2

3

4

5

2

5

4

HEAT
RELAY 3

W2

L1
(HOT)

L2

FAN
RELAY

Y1

G

SUBBASE

X

R

C1

T

T7147 REMOTE COMFORT ADJUST MODULE

GND

W1

C2

COMPRESSOR
CONTACTOR 1

C4

C3

C5

CA1

T

CA2

CA4

CA3

CA5

T

T

Y2

COMPRESSOR
CONTACTOR 2

TRANSFORMER

W3

E

HEAT
RELAY 2

EM. HT.
RELAY

A2 A3

A1

X3

X1

X4

EQUIPMENT

MONITOR 2

EQUIPMENT

MONITOR 1

ECONOMIZER

AS

AS

DISCHARGE
AIR
SENSOR

HEAT
RELAY 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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