Honeywell TRADELINE Q7300H Series Bedienungsanleitung

® U.S. Registered Trademark

INSTALLATION INSTRUCTIONS

62-0155-3

Q7300H Series 2000 Commercial

Thermostat Subbases

APPLICATION

The Q7300H Thermostat Subbases are used with

T7300F Thermostats to provide electronic control of

commercial 24 Vac single or multistage heat pump or

conventional heating and cooling systems. All models

have EB terminals for LONWORKS®network connections.

Terminals are also provided for the T7047 Remote

Sensor or the T7147 Remote Sensor and Override

Module. See Table 1. Select models are designed for

heat applications using a valve and valve actuator

combination for hydronic heating with 2-speed fan

control. See Table 4. All Q7300 Thermostat Subbases

require a common wire to the supply power.

Table 1. Q7300 Subbase Description.

aDepends on model.

bDesigned for heat applications using a valve and valve actuator (see Table 2).

IMPORTANT

The valve does not close unless correct

valve and valve actuator combination is used.

See Table 2.

Table 2. Valve and Valve Actuator Combinations.

Table 3. Output Relay Maximum Current (at 30 Vac).

MERCURY NOTICE

If this control is replacing a control that contains

mercury in a sealed tube, do not place your old

control in the trash.

Contact your local waste management authority

for instructions regarding recycling and the

proper disposal of the old thermostat.

INSTALLATION

When Installing this Product…

1. Read these instructions carefully. Failure to follow

the instructions can damage the product or cause

a hazardous condition.

2. Check the ratings given in the instructions and on

the product to make sure the product is suitable for

your application.

3. Installer must be a trained, experienced service

technician.

4. After completing the installation, use these

instructions to check out the product operation.

Model

Maximum Stagesa

Hookup Drawing Applications

Thermostat

RequiredHeat Cool

Q7300H2003 3 2 10 Heat Pump T7300F

Q7300H2011 3 2 11

Q7300H2029 3 3 12 Conventional

Q7300H2037b2113

Valve Model Valve Actuator Model

V5011A,C ML7984A3019

V5011F,G ML7984A3001

V5011N, V5013N ML7984A3019

V5013A,C ML7984A3019

V5013F ML7984A3001

Relay

Maximum Current (in Amps)

Inrush Running

Fan 3.5 2.0

Heat

Auxiliary (Economizer)

Cool 7.5

62-0155.fm Page 1 Monday, March 21, 2005 9:40 AM

Q7300H SERIES 2000 COMMERCIAL THERMOSTAT SUBBASES

62-0155—3 2

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 can be affected by:

— Drafts, or dead spots behind doors and in corners.

— Hot or cold air from ducts.

— Radiant heat from sun or appliances.

— Concealed pipes and chimneys.

— Uncontrolled areas such as an outside wall behind the

thermostat.

Subbase With Remote-Mounted

Temperature Sensors

If only remote-mounted temperature sensors are

used to sense and control room temperature, install

the thermostat in an area accessible for setting and

adjusting the temperature and settings.

If both the subbase and remote-mounted temperature

sensor(s) are used to sense and control room

temperature, install the subbase about 5 ft above the

floor in an area with good air circulation. Install the

remote-mounted sensor(s) about 5 ft (1.5m) above the

floor in an area with good air circulation at average

temperature. See Fig. 1.

Do not mount the sensor(s) where it can be affected by:

— Drafts, or dead spots behind doors and in corners.

— Hot or cold air from ducts.

— Radiant heat from sun or appliances.

— Concealed pipes and chimneys.

— Uncontrolled areas such as an outside wall behind the

thermostat.

If more than one remote sensor is required, arrange them

in a temperature averaging network consisting of two,

three, four, five or nine sensors. See Fig. 2 through 6.

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. 1. Typical location of thermostat

or remote-mounted sensor.

Fig. 2. Two T7047G Sensors providing

temperature averaging network for

T7300/Q7300 Thermostat/Subbase.

Fig. 3. Two T7047C Sensors and one T7047G Sensor

providing temperature averaging network for

T7300/Q7300 Thermostat/Subbase.

5 FEET

(1.5 METERS)

YES NO

NO NO

M4823

M4838

SUBBASE

T7047G

7047G

M4839

SUBBASE

T7047C

T7047C TT

T7047G

62-0155.fm Page 2 Monday, March 21, 2005 9:40 AM

Q7300H SERIES 2000 COMMERCIAL THERMOSTAT SUBBASES

3 62-0155—3

Fig. 4. Four T7047C Sensors providing

temperature averaging network for

T7300/Q7300 Thermostat/Subbase.

Fig. 5. Five T7047G Sensors providing

temperature averaging network for

T7300/Q7300 Thermostat/Subbase.

Fig. 6. Nine T7047C Sensors providing

temperature averaging network for

T7300/Q7300 Thermostat/Subbase.

Mount Subbase

Mount the subbase horizontally on the wall or on a

2 in. x 4 in. wiring box:

1. Position and level the subbase or wallplate (for

appearance only). The thermostat functions properly

even when not level.

2. Use a pencil to mark mounting holes. See Fig. 7.

3. Remove subbase or wallplate from the wall and

drill two 3/16 in. holes in the wall (if drywall) as

marked. (For firmer material such as plaster or

wood, drill two 7/32 in. holes.) Gently tap anchors

(provided) into drilled holes until flush with the wall.

4. Position the subbase over the holes, pulling wires

through the wiring opening.

5. Loosely insert the mounting screws into the holes.

6. Tighten the mounting screws.

Fig. 7. Mounting the subbase.

M4840

SUBBASE

T7047C

M4841

SUBBASE

T7047G

M4842

SUBBASE

T7047C

WIRES

THROUGH WALL

WALL

ANCHORS (2)

M16055

MOUNTING

HOLES (2)

MOUNTING

SCREWS (2)

62-0155.fm Page 3 Monday, March 21, 2005 9:40 AM

Q7300H SERIES 2000 COMMERCIAL THERMOSTAT SUBBASES

62-0155—3 4

Wire Subbase

CAUTION

Electrical Shock Hazard.

Power supply can cause electrical shock.

Disconnect power supply before beginning

installation.

IMPORTANT

• All wiring must comply with local electrical

codes and ordinances.

• Use 20 AWG, solid-conductor cable as the

normal size (18 AWG maximum) for all wiring

except the LONWORKS Bus. Refer to the System

Performance and Cable Selection section in the

LONWORKS Wiring Guidelines, form 74-2865, to

get the specific wire type and size for the

LONWORKS Bus.

Follow equipment manufacturer wiring instructions when

available.

1. Loosen the terminal screws on the subbase and

connect the system wires. See Fig. 8.

2. Securely tighten each terminal screw.

3. Push excess wire back into the hole.

4. Plug the hole with nonflammable insulation to

prevent drafts from affecting the thermostat.

NOTE: After wiring, check that all connections

are tight and secure. See Fig. 8. Loose or

intermittent wire connections can cause

inconsistent system operation.

Typical Wiring Hookups

Refer to Fig. 11 through 13 for typical hookups. A letter

code is located near each terminal for identification. See

Table 4 for terminal descriptions and system action. For

LONWORKS termination, see Fig. 9. For further details on

LONWORKS termination, refer to the LONWORKS Bus

Wiring Guidelines, form 74-2865 or see Application

Steps, Step 3. Lay Out Communications and Power

Wiring and the LONWORKS Bus Termination Module,

Termination Module subsection, of the W7760 System

Engineering Guide, form 74-2969.

Fig. 8. Proper wiring technique.

Fig. 9. Typical wiring diagram for T7300/Q7300 in LONWORKS network.

M482

OR WRAPAROUND

NSERTION STRIP

/16 IN. (11 MM).

FOR STRAIGHT INSERTION

STRIP 5/16 IN. (8 MM).

NOTEBOOK PC

RS-232

SLTA

LonWorks®BUS

RS-232

T7300 T7300 T7300

T7300

T7300 T7300 T7300 T7300

MODEM

M16063A

62-0155.fm Page 4 Monday, March 21, 2005 9:40 AM

Q7300H SERIES 2000 COMMERCIAL THERMOSTAT SUBBASES

5 62-0155—3

Table 4. Terminal Descriptions and Conditions.

aEuropean installations must use a safety transformer as defined by IEC60742.

bApplies to Q7300L and Q7300H2037 only.

Fig. 10. Typical hookup of T7300F/Q7300H in three-stage heat and two-stage cool heat pump system.

Standard Terminal

Designations Typical Connection Function Terminal Type

A1, A3 Damper control relay. See T7300F Installation Instructions, form 69-1025, Installer

Setup 18, for control parameters

Output Dry Contact

A2 Dry auxiliary contact. (A2 is common to A1,A3). Input —

AS, AS C7150B Discharge Air Sensor connection.

B Heating changeover valve. Output 24V Powered Contact

BM ML7984 Actuator connectionb. No call for heat: valve closed; call for stage 1 heat:

valve approximately one-half open; call for stage 2 heat: valve full open.

Output —

C1,C2,C3,C4,C5 Communication input for T7147. Input/Output Low Power

E Emergency heat relay. Output 24V Powered Contact

EB LONWORKS®network connection. Input/Output Communications

FC Fan control transformer. Input —

G Fan relay. Output

GH High speed fan output. Activated during call for cooling.

GL Low speed fan output. Activated on call for heat and fan On selection.

O Cooling changeover valve.

P1, P2 Pump interlock relay. Operates circulator pump in hydronic heat or energizes

conventional heat system.

Input/Output

R24V system transformer.aInput

RC 24V cooling transformer.a

RH 24V heating transformer.a

RM ML7984 Actuator connection. No call for heat: valve closed. Call for stage 1 heat:

valve approximately one-half open. Call for stage 2 heat: valve fully open.

Output

T, T Remote sensor input for T7047 or T7147. Input

W1 Stage 1: heating relay or auxiliary heat relay. Output

W2 Stage 2: heating relay.

W3 Stage 3: heating relay.

X Heating transformer common. Input

Y Cool call. 24V Output

Y1 Stage 1: compressor contactor. Output

Y2 Stage 2: cooling compressor (conventional) or compressor contactor (heat pump).

Y3 Stage 3: cooling compressor.

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

USE ECONOMIZER INSTRUCTIONS FOR INSTALLATION INSTRUCTIONS.

USE A1 AND A2 WHEN CONTACTS ARE NORMALLY CLOSED IN OCCUPIED MODE.

CONNECT GND TO EARTH GROUND.

M16056

(HOT)

Y1 O G

SUBBASE

EM. HT.

RELAY

RC1 T

T7147 REMOTE COMFORT ADJUST MODULE

GND

BC2

COMPRESSOR

CONTACTOR 1

C4 C3C5

CA1 T

CA2

CA4 CA3CA5

TEBEB

TRANSFORMER

AUX.

HEAT

CHANGEOVER

VALVE

FAN

RELAY

COOL

CHANGEOVER

VALVE

A2A1

AS AS

DISCHARGE

AIR

SENSOR

COMPRESSOR

CONTACTOR 2

ECONOMIZER

LonWorks®

BUS

LonWorks®

BUS

62-0155.fm Page 5 Monday, March 21, 2005 9:40 AM

Q7300H SERIES 2000 COMMERCIAL THERMOSTAT SUBBASES

62-0155—3 6

Fig. 11. Typical hookup of T7300F/Q7300H in three-stage heat and two-stage cool heat pump system.

Fig. 12. Typical hookup of T7300F/Q7300H in three-stage heat and three-stage cool conventional system.

POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD

PROTECTION AS REQUIRED.

USE A1 AND A2 WHEN CONTACTS ARE NORMALLY CLOSED IN OCCUPIED MODE.

USE A2 AND A3 WHEN CONTACTS ARE NORMALLY OPEN IN OCCUPIED MODE.

CONNECT GND TO EARTH GROUND.

USE ECONOMIZER INSTRUCTIONS FOR INSTALLATION DIRECTIONS.

M16057

HEAT

RELAY 3

(HOT)

FAN

RELAY

Y1 G

SUBBASE

X R C1 T

T7147 REMOTE COMFORT ADJUST MODULE

GND

W1 C2

COMPRESSOR

CONTACTOR 1

C4 C3C5

CA1 T

CA2

CA4 CA3CA5

COMPRESSOR

CONTACTOR 2

TRANSFORMER

W3E

HEAT

RELAY 2

EM. HT.

RELAY

A2 A3A1

ECONOMIZER

AS AS

DISCHARGE

AIR

SENSOR

HEAT

RELAY 1

EB EB

LonWorks®BU

LonWorks®BUS

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 CONTACTS ARE NORMALLY CLOSED

IN OCCUPIED MODE. USE A2 AND A3 WHEN CONTACTS

ARE NORMALLY OPEN IN OCCUPIED MODE.

M16058

HEAT

RELAY 3

(HOT)

FAN

RELAY

Y1 G X

SUBBASE

RC RH C1 T

T7147 REMOTE COMFORT ADJUST MODULE

GND

W1 C2

(HOT)

COMPRESSOR

CONTACTOR 1

C4 C3C5

CA1 T

CA2

CA4 CA3CA5

COMPRESSOR

CONTACTOR 2

HEATING

TRANSFORMER

COOLING

TRANSFORMER

W3Y3

HEAT

RELAY 2

COMPRESSOR

CONTACTOR 3

A2 A3A1

ECONOMIZER

AS AS

DISCHARGE

AIR

SENSOR

HEAT

RELAY 1

CONNECT GND TO EARTH GROUND.

USE ECONOMIZER INSTRUCTIONS FOR INSTALLATION DIRECTIONS.

EB EB

LonWorks®

BUS

LonWorks®

BUS

62-0155.fm Page 6 Monday, March 21, 2005 9:40 AM

Q7300H SERIES 2000 COMMERCIAL THERMOSTAT SUBBASES

7 62-0155—3

Fig. 13. Typical hookup of T7300F/Q7300H in two-stage heat and one-stage cool conventional system.

Mount Thermostat on Subbase

After the subbase is installed, mount the thermostat on

the subbase:

1. Engage the tabs at the top of the thermostat and

subbase. See Fig. 14.

2. Press the lower edge of the case to latch.

NOTE: To remove the thermostat from the wall,

first pull out the bottom of the thermostat;

then remove the top.

IMPORTANT

Refer to the T7300F thermostat installation

instructions for Installer Setup, Settings, Installer

System Test and Troubleshooting information.

Fig. 14. Mount thermostat on subbase.

(HOT)

M16059

LOW

SPEED

FAN

RELAY

GL GH R

SUBBASE

FC Y C1 T

T7147 REMOTE COMFORT

ADJUST MODULE GND

(HOT)

COOLING

RELAY

C4 C3C5

CA1 TCA2

CA4 CA3CA5

TRANSFORMER

FAN TRANSFORMER

A2A1P1 P2BM

DAMPER

CONTROL

RELAY

HIGH

SPEED

FAN

RELAY

ML7984

VALVE

ACTUATOR

PUMP

INTERLOCK

RELAY

AS AS

DISCHARGE

AIR

SENSOR

EB EB

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

CONNECT GND TO EARTH GROUND.

SEE TABLE 2 FOR VALVE AND VALVE ACTUATOR MODELS.

LonWorks®BU

LonWorks®BUS

M4824A

B. PRESS LOWER EDGE OF CASE TO LATCH.

.ENGAGE TABS AT TOP OF THERMOSTAT AND SUBBASE OR WALLPLATE

62-0155.fm Page 7 Monday, March 21, 2005 9:40 AM

62-0155—3 B.B. 3-01 www.honeywell.com

Q7300H SERIES 2000 COMMERCIAL THERMOSTAT SUBBASES

Printed in U.S.A. on recycled

paper containing at least 10%

post-consumer paper fibers.

Home and Building Control Home and Building Control

Honeywell Honeywell Limited-Honeywell Limitée

1985 Douglas Drive North 35 Dynamic Drive

Golden Valley, MN 55422 Scarborough, Ontario

M1V 4Z9

OPERATION

Refer to Table 5 for Q7300H2037 Subbase operation sequence.

Table 5. Q7300H2037 Subbase Operation Sequence.

aLow speed fan is activated in the Heat mode and high speed fan is activated in the Cool mode.

Remote Temperature Sensing and Override

The Q7300H Subbase can be used with the T7147 Remote Sensor to sense temperature and provide the Occupied

mode temperature. The subbase also can be used with the T7047 Sensor if remote occupied control is not required.

LONWORKS®, LONMARK®, LONMARK Logo and LONTALK®are registered trademarks of Echelon®Corporation.

Mode

System

Setting

Fan

SettingaEquipment

Call Action

Loads

Energized

Occupied Any Auto — Damper control relay energized. A2

— On — Last system dependant . Last system is cool: call is for high

speed fan. Last system is heat: call is for low speed fan.

GL or GH

Heat Auto Stage 1

heat

Hydronic applications: ML7984 approximately one-half

open. Pump interlock relay activated to energize circulator

pump. Conventional applications: stage 1 heat is activated.

Low-speed fan is activated.

A2, GL,

RM, BM,

Heat Auto Stage 2

heat

Hydronic applications: ML7984 is fully open.

Conventional systems: no action.

A2, GL,

RM, BM,

Cool Auto Stage 1

cool

Cooling relay activated. High-speed fan activated. A2, GH, Y

Unoccupied Any Any — Damper control relay de-energized. —

On — System fan operates at appropriate speed with call for heat

or cool equipment.

62-0155.fm Page 8 Monday, March 21, 2005 9:40 AM

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