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Honeywell DT70 Series, Quick Start Manual

The Honeywell DT70 Series offers unparalleled performance and reliability. This rugged device is designed to endure tough environments, making it ideal for a wide range of industries. Get started quickly with the Quick Start Manual, available for free download at manualshive.com. Access the comprehensive manual to maximize your device's capabilities.

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DT70 FAN -COIL THERMOSTATS

EN1001R0 KO06 2000

5

7

6

5

4

3

2

1

CONTORL
ELECTRONICS

RELAY

FAN Switch

H

M

L

FAN

EXTERNAL UNIT

(CHILLER)

Over Load
Protection
Device

8

9

VALVE

M

HI-LO
PRESSURE SWITCH

COMPRESSOR MOTOR

OFF

ON

AUTO

MANUAL

ON/OFF
Switch

OFF

ON

L

N

INTERNAL UNIT

(Fan-Coil)

COOL/
HEAT

Fig. 4. DT70-F003ET Cool-Heat-Off wiring diagram with 3-speed fan and CHILLER.

DT70-F003ET

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Summary of Contents for DT70 Series

Page 1: ...hermostat well harmonised with any interior decoration of office or hotel Digital display of room ambient temperature with display of user selected setpoint on demand Push button adjustment of setpoint Push button setting of Heat Cool changeover Switches allow manual control of system operation and fan speed Thermostat mounts directly onto a wall a standard 65365mm junction box hole pitch 60mm or ...

Page 2: ...V 12A inrush Typical loads are fans zone valves and relays Operational life Greater than 100 000 cycles all loads for thermostat contacts at 220 V Greater than 10 000 operations for all manually operated switches Mounting Mounts directly onto wall or wall box a standard 65x65mm junction box hole pitch 60mm or a 85385mm junction box Mounting screws supplied Wiring 7 or 9 screw in terminals per unit...

Page 3: ...d the thermostat concealed pipes or chimneys 0 22 0 93 8678 6 6 3 656 The DT70 Series thermostat can be directly mounted on the wall or on either a 65x65mm standard junction box or a 85x85mm junction box Mounting screws are supplied for both alternatives IMPORTANT The installer must be a trained service engineer Disconnect the power supply before beginning installation Separate the base from the m...

Page 4: ...g Diagram DT70 F002ET F012ET 7 6 5 4 3 2 1 CONTROL ELECTRONICS RELAY FAN Switch H M L ON OFF Switch FAN CLOSE Overload Protection Device COOL HEAT N L 3 6 2 VC6013 OFF ON Fig 3 DT70 F002ET DT70 F012ET Cool Heat Off wiring diagram with 3 speed cycled fan ...

Page 5: ... FAN Switch H M L FAN EXTERNAL UNIT CHILLER Over Load Protection Device 8 9 VALVE M HI LO PRESSURE SWITCH COMPRESSOR MOTOR OFF ON AUTO MANUAL ON OFF Switch OFF ON L N INTERNAL UNIT Fan Coil COOL HEAT Fig 4 DT70 F003ET Cool Heat Off wiring diagram with 3 speed fan and CHILLER DT70 F003ET ...

Page 6: ...rn to showing the room temperature Cooling Heating changeover 1 To change cooling heating mode press the SET key for 3 seconds and C Cooling is displayed 2 Press the or key These keys change the mode into H Heating or C Cooling Minimum relay off time setting This is the function that prevents the relay from energizing the load for the setting time The default setting is zero minutes no minimum rel...

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