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SECTION 25 55 00
ENERGY MANAGEMENT SYSTEMS
 
 
Copyright 2013 - 2016 ARCAT, Inc. - All rights reserved
** NOTE TO SPECIFIER ** Onity ; room sensor energy management systems.
This section is based on the products of Onity , which is located at:
4001 Fairview Industrial Dr. S. E.
Salem, OR 97302
Toll Free Tel: 800-424-1433
Fax: 860-998-1035
Email: request info (moreinfo@onity.com)
Web: en.onity.com
[ Click Here ] for additional information.
Smart Energy Management will improve both your bottom line and your guests' comfort. Onity / Senercomm presents our feature rich line of products with innovative designs and unsurpassed performance. SensorStat(R) DDC merges digital temperature control with passive infrared (PIR) occupancy sensing and programmable HVAC setback strategies. Products include SensorStat(R) DDC2-F, SensorStat(R) WDDC, and the Guestroom operations manager software.
 
PART 1 GENERAL
 
1.1
SECTION INCLUDES
 
** NOTE TO SPECIFIER ** Delete items below not required for project.
 
A.
Occupancy sensing controls for room environmental conditions.
B.
Centralized management system.
1.2
RELATED SECTIONS
 
** NOTE TO SPECIFIER ** Delete any sections below not relevant to this project; add others as required.
 
A.
Section 08 11 13.16 - Custom Hollow Metal Doors and Frames.
B.
Section 23 05 00 - Common Work Results for HVAC.
C.
Section 23 82 23 - Unit Ventilators.
D.
Section 23 08 00 - Commissioning of HVAC.
E.
Section 26 05 00 - Common Work Results for Electrical.
1.3
REFERENCES
 
** NOTE TO SPECIFIER ** Delete references from the list below that are not actually required by the text of the edited section.
 
A.
NEC Article 725 - National Electric Code: Fire and shock hazard code provisions for Class 2 low voltage wiring.
B.
UL - Underwriters Laboratory.
1.4
SYSTEM DESCRIPTION
A.
General Description:
1.
Direct Digital Control for HVAC Systems
2.
Logic Cycle: The combination of passive infrared sensing and door switch contacts to accurately determine a room's occupancy status. When the room is physically occupied, the thermostat will maintain the set point. When the room is unoccupied, the temperature is allowed to rise or fall within a configurable range. A deeper setback is available for unsold conditions to provide even more energy savings during these periods.
3.
Refresh Cycle: This function periodically activates the HVAC system to re-circulate the air in the room and keep it fresh.
4.
Soft Bypass: The energy savings function can be temporarily turned off so that the guest has complete control of the room temperature during the stay.
5.
Energy Management System (EMS) Software: Advanced monitoring and control of all the devices of the system, providing real-time status and alarms, runtime data, occupancy data, and other information.
B.
Design Requirements:
1.
Direct Digital Control for HVAC Systems
2.
Logic Cycle: The combination of passive infrared sensing and door switch contacts to accurately determine a room's occupancy status. When the room is physically occupied, the thermostat will maintain the set point. When the room is unoccupied, the temperature is allowed to rise or fall within a configurable range. A deeper setback is available for unsold conditions to provide even more energy savings during these periods.
3.
Refresh Cycle: This function periodically activates the HVAC system to re-circulate the air in the room and keep it fresh.
4.
Soft Bypass: The energy savings function can be temporarily turned off so that the guest has complete control of the room temperature during the stay.
5.
Energy Management System (EMS) Software: Advanced monitoring and control of all the devices of the system, providing real-time status and alarms, runtime data, occupancy data, and other information.
1.5
SUBMITTALS
A.
Submit under provisions of Section 01 30 00 - Administrative Requirements.
B.
Product Data: Manufacturer's data sheets on each product to be used, including:
1.
Preparation instructions and recommendations.
2.
Storage and handling requirements and recommendations.
3.
Installation methods.
4.
Logic programming and system coordination.
C.
Shop Drawings: Drawings showing layout, profiles and product components, including anchorage, accessories and wiring diagrams.
D.
Quality Assurance Submittals: Refer to Quality Assurance requirements for information description.
1.
Certificates: Product certificates signed by manufacturer certifying materials comply with specified performance characteristics, criteria, and physical requirements.
 
** NOTE TO SPECIFIER ** Delete if not required.
 
2.
Manufacturer's Field Reports: Manufacturer's field reports specified herein.
E.
Closeout Submittals: Submit the following:
1.
Operation and Maintenance Data: Operation and maintenance data for installed products.
2.
Warranty: Warranty documents specified herein.
3.
Record Documents: Project record documents for installed materials.
 
** NOTE TO SPECIFIER ** Delete selection samples if colors have already been selected.
 
F.
Verification Samples: For each product specified, two samples with factory pre-sets for project equipment requirements to be controlled.
1.6
QUALITY ASSURANCE
A.
Manufacturer Qualifications: Manufacturer capable of providing field service representation during construction and operation.
B.
Installer Qualifications:
1.
Installer experienced in performing work of this section similar to that required for this project.
2.
Manufacturer trained, certified or otherwise acceptable to manufacturer.
C.
Regulatory Requirements:
1.
Building Codes: Comply with regulations of authorities having jurisdiction.
2.
Housing: UL Listed, fire retardant plastic.
3.
NEC Class 2 compliant device.
 
** NOTE TO SPECIFIER ** Include a mock-up if the project size and/or quality warrant taking such a precaution. The following is one example of how a mock-up on a large project might be specified. When deciding on the extent of the mock-up, consider all the major different types of work on the project.
 
D.
Mock-Up: Provide a mock-up for evaluation of manufacturing and installation workmanship.
1.
Provide installation in areas designated by Architect.
2.
Do not proceed with remaining work until workmanship and operation are approved by Architect.
 
** NOTE TO SPECIFIER ** Delete if not required.
 
E.
Pre-installation Meetings: Conduct pre-installation meeting to verify project requirements, substrate conditions, manufacturer's installation instructions and manufacturer's warranty requirements.
1.7
DELIVERY, STORAGE & HANDLING
A.
Store products in manufacturer's unopened packaging until ready for installation.
1.8
PROJECT CONDITIONS
A.
Maintain environmental conditions (temperature, humidity, and ventilation) within limits recommended by manufacturer for optimum results. Do not install products under environmental conditions outside manufacturer's absolute limits.
1.9
WARRANTY
A.
Manufacturer/installer has responsibility for an extended Corrective Period for work of this Section for the period stated from date of Substantial Completion against all the conditions indicated below, and when notified in writing from Owner.
B.
Manufacturer/installer shall promptly and without inconvenience and cost to Owner correct deficiencies:
1.
Failure due to defective materials and workmanship.
2.
Failure due to programming and embedded factory installed system information.
C.
Contractor/manufacturer/installer shall be notified immediately of defective products, and be given a reasonable opportunity to inspect the goods prior to return. Manufacturer will not assume responsibility, or compensation, for unauthorized repairs or labor.
 
** NOTE TO SPECIFIER ** Delete if not required.
 
1.10
EXTRA MATERIALS
A.
Deliver to Owner extra materials from same production run as products installed. Package products with protective covering and identify with descriptive labels.
 
** NOTE TO SPECIFIER ** Revise paragraph below specifying items, quantity and percentage as required for project.
 
1.
Quantity: Furnish quantity of items listed equal to 5 percent of amount installed not to exceed 20 of each item.
a.
SensorStat DDC.
b.
Remote motion detector.
c.
RF door switch.
PART 2 PRODUCTS
 
2.1
MANUFACTURERS
A.
Acceptable Manufacturer: Onity , which is located at: 4001 Fairview Industrial Dr. S. E.; Salem, OR 97302; Toll Free Tel: 800-424-1433; Fax: 860-998-1035; Email: request info (moreinfo@onity.com); Web: en.onity.com
 
** NOTE TO SPECIFIER ** Delete one of the following two paragraphs; coordinate with requirements of Division 1 section on product options and substitutions.
 
B.
Substitutions: Not permitted.
C.
Requests for substitutions will be considered in accordance with provisions of Section 01 60 00 - Product Requirements.
2.2
PRODUCTS
 
** NOTE TO SPECIFIER ** Revise paragraph below to coordinate with drawing information required to schedule location, quantity and control function of each unit.
 
A.
System Components and Quantity: Refer to drawings for equipment control schedule and room sensor location and quantity.
 
** NOTE TO SPECIFIER ** Delete products not required.
 
B.
SensorStat DDC 2-F: The unit utilizes a combination of door contacts and a passive infrared (PIR) sensor to control and activate setback controller.
1.
The system shall include a wall mounted digital thermostat.
2.
The thermostat display shall be backlit and display room or set temperature in degrees Fahrenheit or Celsius.
3.
The thermostat shall be easy to use and allow user to control fan speed (if applicable), temperature setting, power (on/off), and Fahrenheit or Celsius display. The thermostat shall make heat, cool, and fan speed decisions based on these settings.
4.
The thermostat shall determine the occupancy status based on the information received from door position indicators, motion indicators, and the EMS server software.
5.
The temperature display range shall be 32 degree F to 99 degree F (0 degree C to 37 degree C).
6.
The temperature set point range shall be 65 degree F to 85 degree F (18 degree C to 30 degree C).
7.
The thermostat shall control the following HVAC types:
a.
Standard Heat / Cool - 1 stage heat; 1 stage cool; 1, 2 or 3 fan speeds
b.
Heat Pump - 2 stage heat; 1 stage cool; 1, 2 or 3 fan speeds
8.
The thermostat shall have a built in humidity sensor.
9.
The Input voltage of the thermostat shall be 12V DC or 24V AC/DC. Alternatively, a power control station shall be used to connect HVAC systems requiring 100 - 277V AC controls.
10.
The Thermostat shall have the following outputs:
a.
W/W2 - Heating.
b.
Y/W1 - Cooling / compressor.
c.
Fan 1.
d.
Fan 2.
e.
Fan 3.
f.
Lighting.
g.
Motion I/O.
h.
Reversing valve
11.
The thermostat shall have the following inputs:
a.
Interior door switch.
b.
Exterior door switch.
c.
Motion I/O.
12.
The thermostat shall implement a Freeze Guard routine if the room temperature drops to 42 degree F (6 degree C) regardless of exterior door position.
13.
The thermostat shall have a built in Passive Infrared (PIR) motion sensor and have the capacity to work with a remote PIR motion.
14.
The thermostat shall have the ability to connect a wireless interface module (WIM) or RS485 interface module provided by Onity to communicate with the EMS server.
C.
SensorStat WDDC: The unit utilizes a combination of door contacts and a passive infrared (PIR) sensor to control and activate setback controller.
1.
The system shall include a wireless, battery powered wall mounted digital thermostat and a room control unit (RCU) to be mounted in or near the HVAC system.
2.
The thermostat display shall be backlit and display room or set temperature in degrees Fahrenheit or Celsius.
3.
The system shall be easy to use and allow user to control fan speed (if applicable), temperature setting, power (on/off), and Fahrenheit or Celsius display. The system shall make heat, cool, and fan speed decisions based on these settings.
4.
The system shall determine the occupancy status based on the information received from door position indicators, motion indicators, and the EMS server software.
5.
The temperature display range shall be 32 degree F to 99 degree F (00 degree C to 37 degree C).
6.
The temperature set point range shall be 65 degree F to 85 degree F (18 degree C to 30 degree C).
7.
The system shall control the following HVAC types:
a.
Standard Heat / Cool - 1 stage heat; 1 stage cool; 1, 2 or 3 fan speeds
b.
Heat Pump - 2 stage heat; 1 stage cool; 1, 2 or 3 fan speeds
8.
The thermostat shall have a built in humidity sensor.
9.
The Input voltage of the RCU shall be 12V DC or 24V AC/DC. Alternatively, a power control station shall be used to connect HVAC systems requiring 100 - 277V AC controls.
10.
The RCU shall have the following outputs:
a.
W/W2 - Heating.
b.
Y/W1 - Cooling / Compressor.
c.
Fan 1.
d.
Fan 2.
e.
Fan 3.
f.
Reversing valve / Auxiliary Output.
11.
The RCU shall have the following inputs:
a.
Temperature Sensor
b.
Door switch
12.
The system shall include a wireless door switch transceiver and door contact to provide door position status. The wireless door switch transceiver can be configured as an interior door, exterior door, or balcony/window.
13.
The system shall include a wireless remote motion sensor.
14.
The thermostat shall implement a Freeze Guard routine if the room temperature drops to 42 degree F (6 degree C) regardless of exterior door position.
15.
The thermostat shall have a built in Passive Infrared (PIR) motion sensor and have the capacity to work with a remote PIR motion.
16.
Each component of the system shall have a built in RF radio to communicate between the devices as well as with the EMS server.
D.
EMS Server Software: Each room system shall communicate to a head end server software running Onity EMS software or alternatively an approved Channel Partner software.
1.
The software shall be able to initiate control strategies for individual or groupings of SensorStat DDC units from a central location.
2.
The software shall display information such as current property and room status, including occupancy status, HVAC run status, maintenance and alarm status, door status, .
3.
The software shall collect and display actual and estimated HVAC runtime and occupancy statistics all rooms connected to the network.
4.
The software shall be capable of sending HVAC, security, device, and other alarms via email.
5.
The software shall display at a minimum the following information for an individual room:
a.
HVAC Run status and control type.
b.
Room and set temperature.
c.
Humidity.
d.
Door position.
e.
EMS / Bypass status.
f.
Energy management settings such as setback ranges.
g.
Graphical display of historical room information including set points, run conditions, door position, and other information.
h.
Alarms and maintenance required
6.
The software shall provide diagnostic capabilities.
PART 3 EXECUTION
 
3.1
EXAMINATION
A.
Compliance: Comply with manufacturer's product data, including product technical bulletins, product catalogue installation instructions and product carton instructions for installation.
B.
Site Verification of Conditions: Verify substrate conditions are acceptable for product installation in accordance with manufacturer's instructions.
C.
Do not begin installation until areas, supporting construction and substrates have been properly prepared.
D.
If preparation is the responsibility of another installer, notify Architect of unsatisfactory preparation before proceeding.
3.2
PREPARATION
A.
Clean surfaces thoroughly prior to installation.
B.
Prepare surfaces using the methods recommended by the manufacturer for achieving the best result for the substrate under the project conditions.
3.3
INSTALLATION
A.
Install in accordance with manufacturer's instructions.
3.4
FIELD QUALITY REQUIREMENTS
 
** NOTE TO SPECIFIER ** Delete if not required.
 
A.
Manufacturer's Field Services: Provide manufacturer's field service consisting of product use recommendations and periodic site visit for inspection of product installation in accordance with manufacturer's instructions.
3.5
OWNER'S INSTRUCTION
A.
Instruct Owner's personnel in operation and maintenance of installed units.
B.
Provide instruction to ensure that the energy management system is operated properly. Training shall be accomplished before Owner's personnel operate the system, and shall occur at the site of the project. Include training of managers, front desk, maintenance, security, housekeeping and other staff personnel as identified.
3.6
ADJUSTING
A.
Adjusting: Simulate logic control functions and verify correct equipment response at each equipment unit controlled from each sensor and thermostat.
B.
Refer to Section 23 08 00 - Commissioning of HVAC for systems check-out process, calibration, validation, error reporting and correction documentation.
3.7
CLEANING
A.
Cleaning: Remove temporary coverings and protection of adjacent work areas. Repair or replace damaged installed products. Clean installed products in accordance with manufacturer's instructions prior to Owner's acceptance. Remove construction debris from project site and legally dispose of debris.
3.8
PROTECTION
A.
Protect installed products until completion of project.
B.
Protect wiring and devices from subsequent construction and finish work.
C.
Touch-up, repair or replace damaged products before Substantial Completion.
END OF SECTION