50 UNP is a high-performance, green building that uses primarily daylight and natural ventilation to regulate indoor
air temperature. Your effective operation of the following building systems directly impacts your thermal
Ceiling Fans and Lighting Control Panels
The lighting controls in the open office area consist of a group of switches located next to the entrance of your
office. The switches are underneath a row of wall-mounted wireless ceiling fan remotes. A "Master ON/OFF" switch
controls all of the lights and fans in the area. Each day, the first person entering the area will need to push the
"Master ON" button to turn on the lights and activate the ceiling fan circuits. The Master Switch must be on to
operate ceiling fans.
The two-button switch next to the Master Switch controls the square down lights adjacent to the central corridor.
To maximize energy efficiency, occupancy sensors control the lights. During the day lights will turn off if an area
is unoccupied for at least 15 minutes. Once an area becomes occupied, the lights will automatically turn back on.
The last person leaving the office area at the end of the day should turn off the Master Switch.
Ceiling Fan Operation
The Master Switch must be on to operate ceiling fans. To manually adjust ceiling fans speeds use the wall mounted
Ceiling fans can be operated at 3 speeds, "low," "medium" and "high." The "light" button on the remote is
non-operational. The wireless remotes are arranged on the wall in the same order as the ceiling fans which they
To operate, remove the remote, point it toward the fan, and make adjustments. Replace the remote in the wall
holster immediately. Never take a remote back to your workstation. No replacement remotes will be
provided if one disappears. The last person leaving the office area at the end of the day should turn off the
ceiling fans prior to turning off the Master Switch.
Lighting and Ceiling Fan After Hours Mode
At 5:00 p.m. the lights and ceiling fan circuits are scheduled to move into an "after-hours" mode. If you are in the
workspace, press the "Master ON" button to stay to keep the lights on for two more hours. If required, the user can
push the "Master On" switch again to initiate another two-hour override period.
Once the area moves into "after-hours" mode, the ceiling fans will all shut off, and the lights will continue to
function as before, except that occupancy sensors will now turn lights off in unoccupied areas after five minutes,
instead of 15 minutes.
The last occupant to leave a space should push the "Master OFF" button. This will turn off all lights and ceiling
fans and send the area into "after hours" mode.
Operable Windows and Green Lighting System
A series of green lights have been installed on the ceiling to indicate when windows should be open or closed.
Natural ventilation is a very efficient means of keeping the building comfortable. However, it is important to keep
the windows closed while the heat is on to save energy. When temperatures are below 58°F, the green light will be
off, indicating that you should close your windows to avoid wasting heat. When the green light is on, go ahead and
open the windows. Please close the windows at the end of the day. You will prevent the building from getting too
cool overnight, causing the heating system to work harder the next morning.
The exterior street (Hyde, McAllister, Levenworth Court) and UN Plaza facing blinds are designed for blast protection
and should always remain down, except when opening or closing the windows. This is necessary on all floors, basement
to fifth floors.
To operate the blinds, use the cord on the right side to raise and lower the blinds. The cord on the left side is
used to adjust the blade angle.
When raising blinds, support the blind with your hand in the center to prevent breakage. The blinds are very heavy so
they should always be raised slowly with proper support. Always raise blinds before operating the windows.
The last person leaving the office area at the end of the day should ensure that all blinds are down.
At 50 UNP windows can be opened from both the top and the bottom. To open the bottom portion of the window unlocks
the window latch. Raise the window partially and then lift the window from the bottom.
To open the upper window, unlock the window latch and pull the window down.
As a security measure, windows on the first floor, have stops installed to limit the opening to four inches
At the end of the day always close and lock all windows for security purposes. Raise the blinds above the height of
the bottom window. Close both windows, then turn the latch firmly until it is completely set. Finally, lower the
blinds back down.
Radiant heat is generated from the low pressure steam radiators located at the perimeter of the building.
The radiators may be set between 1 and 2. If you require more heat, you may turn up the setting to level 3 for no
more than five minutes. Radiators can get hot and setting radiators above level 3 can be a safety hazard.
When windows are open radiators should be set to level 1.
Conference Room Lighting
Conference Room lighting is operated in the same manner as open office areas, except there is no "Master ON" button
and no different modes of operation based on time of day. Conference rooms are also controlled by occupancy sensors,
which will turn the lights off when unoccupied. Please see the office lighting section for further operational
Enclosed Offices with Ceiling Fans
In enclosed offices, lights are controlled by an occupancy sensor and manual dimmer. Ceiling fans are controlled with
a two-button wall switch. Fan speed is adjusted manually with the wireless remote.
This is an indicator of outside temperature. When the outside air
temperature is above 58°F, the green light will illuminate indicating that occupants should feel free to
and close windows at their discretion. When the outside air temperature is below 58°F, the green light will
off and windows should be closed if possible to prevent unnecessary operation of the heating systems. Note
filtered and tempered ventilation air will be provided to ensure good indoor air quality even when windows
closed. If the green light is not on and the space is too warm, windows can be cracked 1" to 2" as necessary
Natural ventilation is a very efficient means of keeping the
building comfortable. However, it is important to keep the windows closed while the heat is on. As a
occupant, it is your responsibility to close windows when the weather is cool and save energy. This will be
indicated by the "green light system". When temperatures are below 58°F, the green light will turn off,
indicating that you should close your windows to avoid unnecessary heating. Furthermore, the building’s
ventilation system will continue to maintain high indoor air quality by supplying the space with tempered
ventilation air (outside air that has been filtered and heated to a neutral temperature) while the windows
closed. The other thing you can do to make the building more efficient is to close the windows at the end of
day. This prevents the building getting too cool overnight, causing the heating system to work harder the
One of the great benefits of natural ventilation is that you can
open a window when you want more fresh air. However, when doing so, you should be aware of the outside
temperature. If the temperature is cool (the green light will turn off at temperatures below 58°F), you
easily make people near the window feel cool due to draft, and if the heating system is on you could also
the building use more energy.
Last Reviewed: 2021-07-14
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