Honeywell HCU 23 Manuale utente
Contents
1
Overview 3
Application 3
Operating elements and display 4
Start-up 5
Inserting batteries (optional) 5
Connecting setpoint adjuster HCU 23 6
Assigning temperature zone 7
Installation 10
Dimensions 11
Operation 12
Changing operating mode 12
Changing setpoint temperature with adjustment dial 13
Disabling setpoint adjuster (child-proofing) 13
Adjusting settings 14
Temperatures and control periods 14
Factory settings 15
Adjusting comfort and economy temperatures 15
Adjusting heating and economy periods 16
Setting date and time 19
Restoring factory settings 20
Informing customers 20
Contents
2
Glossary 21
Technical data 22
Help with problems 23
Notes 25
Overview
3
For your information
Technical terms are explained in the glossary (Page 20). They are
identified in the text by an *.
The setpoint adjuster HCU 23 is a component of the storey controller
system HCE 40 from Honeywell. It controls the setpoint temperature*
of a room. To do so, it measures the temperature in the room and
sends the setpoint temperature information to the storey controller
HCE 40. The setpoint adjuster is equipped with a series of convenient
functions:
•You can set your own times and choose from two different setpoint
temperatures to set up your own heating programme for each day
of the week
•The unit can be switched between automatic mode* and manual
mode* at any time
•Integrated room temperature sensor
•Automatic switching between summer/winter time
Scope of supply
•Setpoint adjuster
•Operating instructions
Overview
4
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1. Display of the set heating and economy period*
2. Display of the operating mode: AUTO, MANU or PROG
3. button for changing between AUTO and MANU mode
4. button for setting the comfort and economy temperature*
5. button for setting the time program*
6. Display of the comfort or economy temperature
7. Adjustment dial for setting the setpoint temperature or time
Start-up
5
Batteries are not included in the scope of supply.
Batteries allow the unit to function in the event of a power failure. If
batteries are not inserted, the time must be reset after a power failure.
►Open the housing by pressing in the latching nose on the bottom of
the housing while lifting the cover at the same time.
►Use the following batteries types only:
Type Designation Battery life
Mignon battery Alkaline-manganese LR6 AA AM3 2 years
Batteries may not be disposed of with household garbage.
You may be required by local law to dispose of discharged
batteries in a certain manner.
Caution!
Ensure that the polarity is correct!
Start-up
6
Setpoint adjusters of type HCU 23 are hard-wired.
Observe the zoning plan* of the storey controller and the
switching of the time programs when connecting the setpoint
adjuster.
Example: Connection to
temperature zone 5
1. Setpoint adjuster
HCU 23
2. HAC 30
(window contact)
3. Storey controller HCE 40
(connectors 13 to 25)
4. Temperature zone 5
TW Temperature
selector input
RF Room sensor input
KR Boiler regression
Px Voltage supply
13.8 V AC
⊥Ground
13 14 15 16 17 18 19 20 21 22
456321
TW KR B- B+B+
P1 P2
RF
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TW
RF P1 P2
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Start-up
7
You can assign each temperature zone* of the storey controller to the
setpoint adjuster. Connection and assignment occur via the cabling.
The HCU 23 functions as a setpoint adjuster* and time program
transmitter*.
Assigning setpoint adjuster as setpoint transmitter
►Lay out the zoning plan* of the storey controller.
►Attach the connector of the setpoint adjuster to the connectors of the
storey controller as shown in the diagram on the following page.
If you are using only one four-lead cable, you must bridge
terminal 19 to a ground connection (e.g. terminal 17). You can
renounce the ground connection of the storey controller
(terminal 5).
Start-up
8
1. Storey controller HCE 40
(connectors 1 to 12)
2. Temperature zone 1
3. Temperature zone 2
4. Temperature zone 3
5. Temperature zone 4
6. Setpoint adjuster HCU 23
7. Window contact HAC 30
8. Storey controller HCE 40
(connectors 13 to 25)
9. Temperature zone 5
TW Temperature selector input
RF Room sensor input
⊥Ground
13 14 15 16 17 18 19 20 21 22 23 24 25
456321
TW RCKR B- B-B+B+
P1 P2
RF PR
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TW RF TW RF TW RF TW RF
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