Johnson Controls T701DFN-1 Manual de usuario

Remote sensor ready

Self-prompting adjustment

Auto 2-pipe changeover

when used with accessory

changeover sensor

Dry contact equipped

Backlit display

One For AllTM

works with

most all fan coil systems

Electric heat ready

Non-volatile

memory

Dual setpoint with

adjustable deadband

Keypad lockout

Configurable display

Display either F or C

Terminals on backplate

2 or 4 pipe systems

Non-Programmable

Thermostat

Installation

Instructions

model T701DFN-1

Thermostat

Fan Coil

P/N T701DFN-1

Page 1

TABLE OF CONTENTS

CAUTION

WARNING

Follow Installation Instructions

carefully. Disconnect Power

to the Heater/Air Conditioner

before removing the old therm-

ostat and installing the new

thermostat.

Step #1: Preparation

Step #2: Applications

Step #4: Test Operation

Troubleshooting

Step #3: Wire Connections

IMPORTANT: The T701DFN-1 and T701DFP-1 Series Thermostat

Controllers are intended to provide an input to equipment under

normal operating conditions. Where failure or malfunction of the

thermostat controller could lead to personal injury or property damage

to the controlled equipment or other property, additional precautions

must be designed into the control system. Incorporate and maintain

other devices, such as supervisory or alarm systems or safety or limit

controls, intended to warn or protect against failure or malfunction of

the thermostat controller.

IMPORTANT: The T701DFN-1 and T701DFP-1 Series Thermostat

Controllers are intended to provide an input to equipment under

normal operating conditions. Where failure or malfunction of the

thermostat controller could lead to personal injury or property damage

to the controlled equipment or other property, additional precautions

must be designed into the control system. Incorporate and maintain

other devices, such as supervisory or alarm systems or safety or limit

controls, intended to warn or protect against failure or malfunction of

the thermostat controller.

Sample Wiring Diagram

Drill with 3/16

inch Drill Bit

(when not

using j-box)

Proper installation of the thermostat will be accomplished by

following these step by step instructions. If you are unsure

about any of these steps, call a qualified technician for

assistance.

Assemble tools.

Flat Blade

Screwdriver Wire cutter

& Stripper

Make sure your Heater/Air Conditioner is working properly

before beginning installation of the thermostat.

Carefully unpack the thermostat. Save the screws, wall

anchors, and instructions.

STEP #1

PREPARATION

Turn off the power to the Heating/Air Conditioning system

at the main fuse panel.

Page 2

Installation

Location Considerations

Locate the T701 Series Thermostat Controller:

on a partitioning wall, approximately 5 ft (1.5 m) above the floor in a

location of average temperature.

away from direct sunlight, radiant heat, outside walls, outside doors, air

discharge grills, or stairwells; and from behind doors.

away from steam or water pipes, warm air stacks, unconditioned areas

(not heated or cooled), or sources of electrical interference.

Remove the cover of the old thermostat. If it does not come

off easily check for screws.

Loosen the screws holding the thermostat base or subbase

to the wall and lift away.

Disconnect the wires from the old thermostat. Tape the ends

of the wires as you disconnect them and mark them with the

letter of the terminal for easy reconnection to the new

thermostat.

Keep the old thermostat for reference purposes until your

new thermostat is functioning properly.

STEP #2

APPLICATIONS

Note: This thermostat is strictly a low voltage control. A compatible

relay board must be installed to isolate the 24 volt wires from the line

voltage to the fan. Page 3

IMPORTANT: Make all wiring connections in accordance with local,

national, and regional regulations. Do not exceed the electrical ratings

of the T701 Series Thermostat Controller.

CAUTION: Risk of Electric Shock.

Disconnect power supply before making electrical connections

to avoid electric shock.

CAUTION: Risk of Property Damage.

Do not apply power to the system before checking all wire

connections. Short circuited or improperly connected wires

may result in permanent damage to the equipment.

New Applications

Existing Applications

Follow the thermostat and E-M (Electro-Mechanical) wiring

diagrams supplied with the submittal package, and afixed to

the fan coil unit enclosure. Go to pages 6 through 10 for

instructions to test operation for the available applications.

If the terminal designations on your old

thermostat do not match those on the

new thermostat, refer to the chart below.

STEP #3

WIRE CONNECTIONS

Page 4

4-PIPE SYSTEMS

Wire from the

old thermostat

terminal marked

Install on the

new thermostat

terminal marked

Function

Cooling

Heating

Power

Common

Low

Fan Speed

Medium

Fan Speed

High

Fan Speed

Y1, Y or C

W1, W or H

Rh, R, M, Vr, A

G, F or LOW

MED

HIGH

Note: Be sure to seal any opening through

the wall behind the thermostat with fireproof

material to prevent improper temperature

sensing of the conditioned space.

If the terminal designations on your old

thermostat do not match those on the

new thermostat, refer to the chart below.

STEP #3

WIRE CONNECTIONS

Page 5

2-PIPE SYSTEMS

Wire from the

old thermostat

terminal marked

Install on the

new thermostat

terminal marked

Function

Water Valve

Strip Heater

Power

Common

Low

Fan Speed

Medium

Fan Speed

High

Fan Speed

Y1, Y or C

W1, W or H

Rh, R, M, Vr, A

G, F or LOW

MED

HIGH

Note: Be sure to seal any opening through

the wall behind the thermostat with fireproof

material to prevent improper temperature

sensing of the conditioned space.

Press the MODE button repeatedly until the

HEAT icon appears on the display. Press the UP

or DOWN buttons until the set temperature is 10

degrees above room temperature. The hot water

valve will open and the fan will be running.

Press the MODE button repeatedly until the

COOL icon appears on the display. Press the UP

or DOWN buttons until the set temperature is 10

degrees below room temperature. The cold water

valve will open and the fan will be running.

Turn the power on to the Fan Coil Unit.

Press the UP button until the setpoint is equal to

the room temperature. Press the Fan button

repeatedly until a single bar appears next to the

Fan icon. Confirm the fan is running on low

speed. Press the Fan button again, confirm the

fan is running on medium speed. Again, press

the Fan button, confirm the fan is running at high

speed. Press the Fan button once more, the

bars next to the Fan icon should disappear.

Press the MODE button repeatedly until the OFF

icon appears on the display. Both valves will be

closed and the fan will be off.

STEP #4

TEST OPERATION

4-PIPE SYSTEM

Page 6

If hot water is available, press the MODE button

repeatedly until the HEAT icon appears on the

display. Press the UP or DOWN buttons until the

set temperature is 10 degrees above room

temperature. The hot water valve will open and the

fan will be running.

If cold water is available, press the MODE button

repeatedly until the COOL icon appears on the

display. Press the UP or DOWN buttons until the

set temperature is 10 degrees below room

temperature. The cold water valve will open and

the fan will be running.

Press the UP button until the setpoint is equal to

the room temperature. Press the Fan button

repeatedly until a single bar appears next to the

Fan icon. Confirm the fan is running on low

speed. Press the Fan button again, confirm the

fan is running on medium speed. Again, press

the Fan button, confirm the fan is running at high

speed. Press the Fan button once more, the

bars next to the Fan icon should disappear.

Press the MODE button repeatedly until the OFF

icon appears on the display. Both valves will be

closed and the fan will be off.

2-PIPE, CHANGEOVER SENSOR, NO STRIP HEAT

STEP #4

TEST OPERATION

Page 7

Turn the power on to the Fan Coil Unit and confirm

that the thermostat is programmed correctly in setup

steps #3 and #4 on page 11 of the Owner’s Manual.

If Heat Only, press the MODE button

repeatedly until the HEAT icon appears on the

display. Press the UP or DOWN buttons until the

set temperature is 10 degrees above room

temperature. The hot water valve will open and the

fan will be running.

If Cool Only, press the MODE button

repeatedly until the COOL icon appears on the

display. Press the UP or DOWN buttons until the

set temperature is 10 degrees below room

temperature. The cold water valve will open and

the fan will be running.

Press the MODE button repeatedly until the OFF

icon appears on the display. Both valves will be

closed and the fan will be off.

Press the UP button until the setpoint is equal to

the room temperature. Press the Fan button

repeatedly until a single bar appears next to the

Fan icon. Confirm the fan is running on low

speed. Press the Fan button again, confirm the

fan is running on medium speed. Again, press

the Fan button, confirm the fan is running at high

speed. Press the Fan button once more, the

bars next to the Fan icon should disappear.

2-PIPE, NO CHANGEOVER SENSOR

STEP #4

TEST OPERATION

Page 8

Turn the power on to the Fan Coil Unit and confirm

that the thermostat is programmed correctly in setup

steps #3 and #4 on page 11 of the Owner’s Manual.

If hot water is available, press the MODE button

repeatedly until the HEAT icon appears on the

display. Press the UP or DOWN buttons until the

set temperature is 10 degrees above room

temperature. The hot water valve will open and the

fan will be running. The strip heat will be locked

out if hot water is available.

If cold water is available, press the MODE button

repeatedly until the COOL icon appears on the

display. Press the UP or DOWN buttons until the

set temperature is 10 degrees below room

temperature. The cold water valve will open and

the fan will be running.

If hot water is not available, but your unit is

equipped with a strip heat system, press the UP or

DOWN buttons until the set temperature is 10

degrees below room temperature. The unit should

energize the strip heaters and the fan will be

running.

2-PIPE, CHANGEOVER SENSOR, WITH STRIP HEAT

STEP #4

TEST OPERATION

Page 9

Turn the power on to the Fan Coil Unit and confirm

that the thermostat is programmed correctly in setup

steps #3 and #4 on page 11 of the Owner’s Manual.

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