PartL ROI: Room Data Tab

Setting	Description
Currently selected zone All Rooms (HVAC for zone All Rooms)	Some data such as DHW system, ventilation and lighting can be defined either individually for each room in the zone, or the same for all rooms in the zone. Use the radio button to define Default data for rooms in the zone (all rooms will have the same data) or Individual room data (data for each selected room can be different). By clicking Set all rooms to default, all rooms will be set to the default data. To save time when most rooms have the same data, but there are some small differences, it may be useful to firstly set up the default data for all rooms, then click the Set all rooms to default, making all rooms the same. Then selecting the required room and making the data changes can define particular data that differs for individual rooms.
DHW system	Each room must be associated with a DHW system; ensure that DHW systems have been set up as required using data on the General Tab. The length of DHW dead-leg pipe should be specified for each room.
Room based heat recovery	Heat recovery for the room can be set up. Depending on the type of HVAC system heat recovery is either specified at the zone level or the room level. Heat recovery – Depending on the HVAC system specified, heat recovery can be defined by selecting the type of heat recovery. Seasonal efficiency – If a heat recovery system is selected and the seasonal efficiency is known, it can be defined, otherwise a default value will be used.
Ventilation	Depending on the HVAC system for the zone, ventilation can be specified for each room. Ventilation type - Either one is selected, Natural or Mechanical ventilation. Supply specific fan power – The room based supply specific fan power (SFP) can be specified, or a default value can be used. Mechanical exhaust – The required Air flow rate is specified. Exhaust specific fan – The room based exhaust specific fan power (SFP) can be specified, or a default value can be used. Scope of extract system – This specifies whether the extract system serves a single room or multiple rooms. Demand controlled ventilation – Specifies demand controlled ventilation. Flow regulation type – Specifies flow regulation type. HEPA filters – If the room requires the use of high pressure drop air treatment (including HEPA filtration) this can be specified. By default, this value will be taken from the NCM database. If you manually override the default, you may be expected to provide justification for this change to building control.
Lighting	The amount of lighting energy is estimated by selecting the Lighting design information available. If a full lighting design has been carried out, the lighting total wattage per square metre is specified along with the design illuminance (lux). If the type of lighting has been selected but not calculated, specify the lighting lumens/circuit Watts. If no information is known, select Lighting parameters not available and select a lamp type. If there is display lighting which uses energy efficient lamps, the luminous efficiency is specified. Air extract luminaries can also be selected.
Lighting Control	Manual, photo-electric and/or constant illumination lighting controls can be specified. For photo-electric controls, Switching or dimming can be used, with an optional back sensor. The type of photo-electric sensor can also be selected. Occupancy sensing can be used by selecting the type of occupancy sensor. Time switching can be used by specifying the number of hours off and the fraction of the lighting that is off. If Daylit areas have not been created for a room but lighting controls have been specified, SBEMie can automatically generate the Daylit areas. If this option is not selected, the area controlled so as to respond to daylight needs to be specified.
Night Cooling and Thermal Units	The following can be specified if a night cooling strategy operates in this room: Maximum hours of night cooling per month – This is the maximum number of hours per month during which night cooling is operating in the zone. Maximum flow rate during night cooling – This is the maximum air flow rate in the zone, in (L/m²s) of floor area, during the operation of night cooling. Specific fan power - If the specific fan power is known it can be entered here.
Solar Collectors	If the room is served by solar collectors then they can be assigned from any already defined solar collectors (defined in General > Wind generator, PVS and Solar Collectors tab).

Currently selected zone All Rooms (HVAC for zone All Rooms)

Some data such as DHW system, ventilation and lighting can be defined either individually for each room in the zone, or the same for all rooms in the zone. Use the radio button to define Default data for rooms in the zone (all rooms will have the same data) or Individual room data (data for each selected room can be different). By clicking Set all rooms to default, all rooms will be set to the default data.

To save time when most rooms have the same data, but there are some small differences, it may be useful to firstly set up the default data for all rooms, then click the Set all rooms to default, making all rooms the same. Then selecting the required room and making the data changes can define particular data that differs for individual rooms.

DHW system

Each room must be associated with a DHW system; ensure that DHW systems have been set up as required using data on the General Tab. The length of DHW dead-leg pipe should be specified for each room.

Room based heat recovery

Heat recovery for the room can be set up. Depending on the type of HVAC system heat recovery is either specified at the zone level or the room level.

Heat recovery – Depending on the HVAC system specified, heat recovery can be defined by selecting the type of heat recovery.
Seasonal efficiency – If a heat recovery system is selected and the seasonal efficiency is known, it can be defined, otherwise a default value will be used.

Ventilation

Depending on the HVAC system for the zone, ventilation can be specified for each room.

Ventilation type - Either one is selected, Natural or Mechanical ventilation.
Supply specific fan power – The room based supply specific fan power (SFP) can be specified, or a default value can be used.
Mechanical exhaust – The required Air flow rate is specified.
Exhaust specific fan – The room based exhaust specific fan power (SFP) can be specified, or a default value can be used.
Scope of extract system – This specifies whether the extract system serves a single room or multiple rooms.
Demand controlled ventilation – Specifies demand controlled ventilation.
Flow regulation type – Specifies flow regulation type.
HEPA filters – If the room requires the use of high pressure drop air treatment (including HEPA filtration) this can be specified. By default, this value will be taken from the NCM database. If you manually override the default, you may be expected to provide justification for this change to building control.

Lighting

The amount of lighting energy is estimated by selecting the Lighting design information available. If a full lighting design has been carried out, the lighting total wattage per square metre is specified along with the design illuminance (lux). If the type of lighting has been selected but not calculated, specify the lighting lumens/circuit Watts. If no information is known, select Lighting parameters not available and select a lamp type. If there is display lighting which uses energy efficient lamps, the luminous efficiency is specified. Air extract luminaries can also be selected.

Lighting Control

Manual, photo-electric and/or constant illumination lighting controls can be specified. For photo-electric controls, Switching or dimming can be used, with an optional back sensor. The type of photo-electric sensor can also be selected. Occupancy sensing can be used by selecting the type of occupancy sensor. Time switching can be used by specifying the number of hours off and the fraction of the lighting that is off.

If Daylit areas have not been created for a room but lighting controls have been specified, SBEMie can automatically generate the Daylit areas. If this option is not selected, the area controlled so as to respond to daylight needs to be specified.

Night Cooling and Thermal Units

The following can be specified if a night cooling strategy operates in this room:

Maximum hours of night cooling per month – This is the maximum number of hours per month during which night cooling is operating in the zone.
Maximum flow rate during night cooling – This is the maximum air flow rate in the zone, in (L/m²s) of floor area, during the operation of night cooling.
Specific fan power - If the specific fan power is known it can be entered here.

Solar Collectors

If the room is served by solar collectors then they can be assigned from any already defined solar collectors (defined in General > Wind generator, PVS and Solar Collectors tab).