Created Jan Elfström
Computime review Jan Elfström
Adjustments, Counters added Jan Elfström
Design Review Jan Elfström
Adjustments, Parameters Jan Elfström
Adjustments, parameters Gordon Qian
Adjustments, parameters Gordon Qian
The purpose of this document is to describe the product requirements in the Orion Energy
Management project.
2.1 Project Name
Orion Energy Management
2.2 Project Number
8003
3 REFERENCES
The following documents are referenced in this document:
61 8003 001 – Orion Project Requirement Specification
61 1100 032-18 - D-032 KOMMUNIKATIONSPROTOKOLL English
Orion Requirement Spec
Aesthetic Design – Br es sler Group
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4 DEFINITIONS
The following abbreviations are used in this document:
PRS Product Requirement Specification (This document)
MK Market Requirement Specification
TBD To Be Decided
NA Not Applicable
AAH ASSA ABLOY Hospitality
MCU Micro Controller Unit
BDM Background Debug Module
5 GENERAL REQUIREMENTS
The assumption made for the rest of this document is that a third party will supply the actual
hardware and partly FW used for this project. The exception is the use of the RF device described
later where the device supplied by ASSA ABLOY Hospitality shall be used.
It is also assumed the reader is familiar with the document “Orion Project Requirement
Specification” and “Orion Requirement Spec”.
MCU:s shall be of the Freescale HCS08 family (other types/brands can be used after approval).
5.1 User Interface
5.1.1Introduction
The User Interface (UI) is the device where a local (in-room) user can check status of the energy
management system (e.g. set temperature, fan-speed) and control certain functions (e.g. alter set
temperature).
5.1.2.1 The mechanical design shall be based on the information received from
Bressler.
(Computime to give best estimate of box size after receiving 3D-model)
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.1.7 Service-Connector
5.1.2.2 The mounting holes shall be such that t hey fit the following screw-patterns:
5.1.2.3 The mounting holes shall be of the key -hole type or similar to allow easy
mount/dismount and positi oning of the UI
5.1.2.4 The UI shall be designed to allow mounting of the TC or a battery pack
(3xAA) with a RF-device
5.1.2.5 The battery pack shall be easily accessed
5.1.2.6 The battery pack can be the standard AAH 3xAA cassette with cable (Art
No 4816065 + 4809763)
5.1.3 Display
5.1.3.1 The display shall have a visi b le size as defined by the indust rial design from
Bressler Group. (Computime to advice on the actual dimension)
5.1.3.2 The display graphics and sy m bols shall be designed accor ding to the
information received from Bressler.
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5.1.3.3 The following symbols shall be p o ss ible to control:
• Fan-speed indicator (Three steps)
• Service Indicator (Wrench)
• Error Indicator (E)
• Farenheit/Celsius Indica t or
• Locked Indicator (pad-lock symbol)
• Cooling/Heating Indicator (Snow-star/flame)
• Temperature read-out (two digits, seven segments)
• Battery indicator (Battery low only)
• Auto Indicator (AUTO) (This indicator can be an alpha numeric field)
5.1.3.4 The display technology shall be of the transflective LCD type.
5.1.3.5 Viewing angle
:
55o @12:00 clock direction
5.1.3.6 Backlighter shall be LED
5.1.3.7 Backlighter shall be possible to control (on/off)
5.1.3.8 Backlighter colour is to be white
5.1.4 User Controls
5.1.4.1 The following user controls shall be used
• On/Off button (Controls only EMS functions, not system power)
• Fan Control button (Switch steps through settings)
5.1.9.1 The UI shall have the means of measuring temperature
5.1.9.2 The temperature value shall have a tolerance of +/-0.5°C including drift
5.1.9.3 The temperature sensor shal l have a calibrated value of +/-1°C @22°C
5.1.10 Firmware
5.1.10.1 The UI firmware (FW) shall be possible to upgrade through the service
connector using the AAH stan dard bootloader protocol
5.1.10.2 A callback function called when a key-press or other event occur shall be
implemented for AAH use.
5.1.10.3 A control structure shall be developed for accessing and controlling
resources in the UI (e.g. displayed symbols, temperature display etc)
5.1.10.4 A data structure with information of pressed keys, temperature reading etc
shall be developed
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5.2 Thermostat Controller
5.2.1Introduction
The Thermostat Controller (TC) is the device where the actual logic for energy management is
implemented. It is also the device controlling the other in-room devices connected to the EMS
system and can be connected to a central control system.
5.2.2.1 The TC shall be designed to fit the housing of the UI and the Thermo stat
Controller Expander device
5.2.3 Electrical interfaces
5.2.3.1 The electrical interface between the TC an d ot her modules shall be over a
6-pin, tin plated connector sui t able for a JST PHR-6 connector plug
5.2.3.2 The TC module I/O shall tolerate voltages in the range 3 – 5VDC
5.2.3.3 The TC module I/O output voltage-levels shall be in the range 0 - 5VDC
5.2.3.4 Logical high level shall be minimum 3.0V
5.2.3.5 Logical low level shall be maximum 0.3V
5.2.3.6 A connector for the MCU BDM shall be included in the desi gn
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5.2.4 I/O Connector
5.2.4.1 The TC shall have a I/O connector for contr ol li ng external systems, e.g. airhandlers
5.2.4.2 The TC module I/O shall tolerate voltages up to 30VDC
5.2.4.3 Logical high level shall be minimum 5.0V
5.2.4.4 Logical low level shall be maximum 0.5V
5.2.4.5 The I/O connector shall be of the type Molex KK 2695 2.54mm or
equivalent
5.2.4.6 The I/O connector shall have the following pin-out:
1- W/W2 – Heating (Output)
2- Y/W1 – Cooling / Compressor (Output)
3- G1 – Fan 1 (Output)
4- G2 – Fan 2 (Output)
5- G3 – Fan 3 (Output)
6- RV – Reversing valve (Output)
7- Emergency Heating - Outputs
8- Door Switch – Interior (Intput)
9- Door Switch – Exterior (Intput)
10- Extra Input1 (Intput)
11- Ground
12- Power out for External Switch
13- Power Supply Common for Thermostat
14- Power Supply for thermostat
Doc.No:
61 8003 011
5.2.4.7 The I/O connector shall control outputs through potential free switches (e.g.
relay)
5.2.4.8 The I/O connector shall have the same potential for all I/O
5.2.4.9 The TC shall be delivered with a wire-h a rn e ss fitting the I/O connector with
a wire length of 150mm +/-10mm. (Col o rs a s defined below)
1- W/W2 – White)
2- Y/W1 – Yellow
3- G1 – Green
4- G2 – Orange
5- G3 – Dark Blue
6- RV – Violet
7- Emergency Heating - Brown
8- Door Switch –Interior – Gray (not hard requirement)
9- Door Switch – Exter ior – Orange/Blue (not hard requirement)
10- Extra Input1 (Intput) – Pink (not hard requirement)
11- ground –Black
12- Power out for External Switch – White/Black
13- Power Supply Common for Thermostat – Light Blue
14- Power Supply for thermostat – Red
(HRS)
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5.2.4.10 The I/O Connector shall be secu red with a friction lock or similar
5.2.4.11 Wires with an area of AWG 22 shall be u sed
5.2.4.12 A visible label shall be incl uded indicating signals in I/O co nnector
5.2.5 Module Communications Interface
5.2.5.1 The communication to/from the TC shall be with asynchronous full duplex
communication (38400 8N1)
5.2.5.2 The TC shall accept a command-set implemented by AAH
5.2.5.3 The following pin-out sh all be used:
1- VCC (Power out to UI)
2- GND
3- Activate (UI)
4- Wakeup (TC)
5- RxD (To TC)
5.2.5.5 There shall be a minimum of 32kByte Flash and 500 byte RAM availa bl e
for AAH use
5.2.6 Power supply
5.2.6.1 The TC shall be possible to run on a fixed 12 – 30VAC/DC supply
5.2.6.2 The TC shall have a maximum current consumption of 150mA @24VDC
TBD (not including other modules)
5.2.6.3 The power supply inputs shall be protected against reversed polarity
5.2.6.4 The power supply inputs shall have p r otection against short circui t (nonpermanent, no change of components)
5.2.7 Firmware
5.2.7.1 The TC firmware (FW) shall be possible to upgrade through the 6-pin
Module Communications Connector usi n g the AAH standard bootloader prot ocol
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5.2.7.2 Test-mode
When the TC is put in test-mode by the service-tool, all outputs shall be disabled. All
output and input-states shall be possible to observe on the te st-t ool.
5.2.7.3 A callback function called 1/ s shall be implemented for AAH use.
5.2.7.4 A control structure shall be dev eloped for accessing and co ntrolling
resources in the TC, including external inputs.
5.2.7.5 The responsibility for the actual implementation of different functionality is
AAH
5.2.8 Parameters - CT
The following parameters in NV memory is to control the TC. These values are to be
filled in by AAH and used by Computime.
5.2.8.1 ActualTemperature – The reported temperature (external sensor or UI
sensor)
5.2.8.2 ManualOverrideBitField – Controls for service purp oses
5.2.12.1 A RTC shall be designed based on a standard low power 32kHz crys t al
5.2.12.2 The RTC function can be an internal MCU timer clocked by the low power
crystal
5.2.12.3 Maximum time deviation over a year sh a ll be + /-15 minutes
5.2.12.4 The minimum resolution shall be one minute
5.2.12.5 The real time shall be an incremental numb er with the length of four bytes
5.2.12.6 The start time for the real-time count (0) shall be 1996-07-20 00:00
5.2.12.7 No support for day-light savi ng shall exist
5.2.13 Counters
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5.2.13.1 Counter for total HVAC run time [32-bit value, minute resolution]
5.2.13.2 Counter for HVAC run time maintaining the guest set-point (starts when
guest set-point is first reached from set-back) [32- b it value, minute resolution]
5.2.13.3 Counter for total HVAC run time in unoccupied and unsold set-bac k
including recovery time from setback to set point [32-bit value, minute resolution]
5.2.13.4 Counter for total occupancy time [32 -bit v a lue, minute resolution]
5.2.13.5 Three maintenance run time parameters [32-bit value, minute resolution]
5.2.13.6 When one of the three maintenance parameter values match the total
HVAC run time counter, a notification shall be sent to the server indicating which of the
parameters that triggered the event.
5.2.13.7 The three maintenance run time parameters shall be possible to update
using the EMS GUI or the commissioning tool
5.2.13.8 The maintenance run time parameters shall be updated with an offset added
to the total HVAC run time counter
5.2.13.9 The counters and maintenance parameters shall be stored in non-volatile
memory
5.3 Motion Detector
5.3.1Introduction
The Motion Detector (MD) is used to detect and report movement in the room. It can also be used
in suite configurations. It is a battery operated device.
5.4.1.1 The RF device 68 3081 055 or similar supplied by AAH shall be used
5.4.1.2 The RF device firmware can be special for this application
5.4.2 RF Device for Motion Detector
5.4.2.1 The RF device 68 3081 055 or similar supplied by AAH shall be used
5.4.2.2 The RF device firmware can be special for this application
5.4.3 RF Device for Thermostat Controller
5.4.3.1 The RF device 68 3081 055 or similar supplied by AAH shall be used
5.4.3.2 The RF device firmware can be special for this application
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5.5 Thermostat Controller Expander
5.5.1Introduction
The Thermostat Controller Expander (TCE) is accepting the TC as a piggy back device. This allows
the use of the TC+TCE as a standalone device with the possibility of e.g. external power and more
rugged connections. It will also form a more rugged housing for the TC.
(TCE will be designed for Phase 2 of this project)
5.5.2 Housing
5.5.2.1 TBD
5.5.3 Connectors and interfaces
5.5.3.1 The TCE shall have a service connect o r of the type 3.5mm stereo-jack
5.5.3.2 The Service connector shall be protected against ESD (8KV for air
discharge )
5.5.3.3 The following signals for the service connector shall be used
1- Power input 3.5 – 10VDC (tip)
2- Serial communication (middle)
3- GND (inner)
The functional design is left open to best fit the production requirements and the aesthetic design
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9 SOFTWARE REQUIREMENTS
NA
10 ENVIRONMENTAL REQUIREMENTS
10.1 Temperatures
10.1.1Storage temperature
10.1.1.1 The storage temperature for all devices shall be -20 - +85°C
10.1.2 Operating temperature
10.1.2.1 The operating temperature for all devices shall be 0 - + 45°C
10.2 Humidity
10.2.1Storage humidity
10.2.1.1 The storage humidity for all devices shall be 10-98%RH non-condensing
10.2.2 Operating humidity
10.2.2.1 The operating humidity for all devices shall be 15-95%RH non-condensing
10.3 Protection
A general test shall be made with each device to find which components that is sensitive to
condensation. Those areas shall then be protected with conformal coating.
13.1.1.1 The mechanical design shall be fully documented
13.1.1.2 The IGS/STEP format shall be used for exchanging 3D models
13.1.1.3 The DXF format shall be used for exchanging 2D drawings
13.1.1.4 The native Solid Works format can be used for all documentation
13.1.2 Documentation
13.1.2.1 All final documentation shall be in the Timelox defined form an d shape
including document numbers
13.1.3 Firmware design
13.1.3.1 All open interfaces shall be fully documented
13.1.3.2 A general functional description shall be delivered
FCC STATEMENT
1. This device complies with Part 15 of the FCC Rules.Operation is subject to the following two conditions:(1) This device may not cause harmful interference.
(2) This device must accept any interference received, including interference that may cause undesired operation.
2. Changes or modifications not expressly approved by the party responsible for compliance could
void the user's authority to operate the equipment.
RF warning statement:The device has been evaluated to meet general RF exposure requirement.
The device can be used in portable exposure condition without restriction.