Sigma Iris

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In-production Mid 2000s to 2012 Status Discontinued
Predecessor None Successor Sigma Iris NV
This article should not be confused with the successor model Sigma Iris NV, which is now known as ACRA.

Overview

Iris is a traction elevator model of South Korean elevator manufacturer Sigma that was sold between the 2000s and early 2010s. It was produced by Dalian Sigma Elevator Company, Sigma's Chinese subsidiary in Dalian, China.

It is a low-entry gearless passenger elevator model designed for low to high rise residential and commercial buildings. The design is based on the Sigma Distributed Inverter elevators. It is considered to be the first Sigma model to adopt gearless motor for low speed application; such motor was previously only applied for high speed (Distributed Inverter "DS-4" and "Di5") and low speed machine room less (Solon) models. Iris was discontinued in the early 2010s and was succeeded by the Sigma Iris NV model.

In Indonesia, this model was mainly installed in high rise apartment buildings, low to mid rise hotels as well as low to middle class shopping centers.

Characteristics

  • Iris elevators have unique chimes which consist of two stages for up and four stages for down.
  • Door movement is comparably faster than the Sigma Di elevators.
  • Most Iris elevators have the words "Subsidiary of Otis Elevator Korea" written under the Sigma logo, but some others don't. There are also a few elevators where the Sigma logo is different and paired with the words "Digital Elevator" and "Otis Korea Technology".
  • Motor brake sound is generally louder upon stopping.
  • Ride quality and durability is not as good as the Distributed Inverter models, with vibrations can often be felt and heard upon startup and stopping.
  • Very few Iris elevators use third party controllers from South Korean compang Samil Eltec. These elevators play a very distinctive arrival chime and very rarely, voice announcement.

  • The usual Sigma logo, with the words "Subsidiary of Otis Elevator Korea" under it.

  • A different Sigma logo, with the words "Digital Elevator" and "Otis Korea Technology".

  • Closer look of the logo.

  • Normal Sigma logo, without the "Otis Korea" words.

Quick specifications

  • Type: Traction, with machine room
  • Use: Passenger, service
  • Drive: AC gearless with VVVF
  • Control system: Microprocessor
  • Capacity: 450-1600 kg
  • Max. landings: 40
  • Max. travel height: ?
  • Speed: 1 - 2.5 m/sec
  • Max elevator car: 4 (?)
  • Doors:
    • Single speed center opening
    • 2 speed telescoping sliding
  • Fixtures: See next section below for details

Fixtures

The fixtures used in Iris elevators are almost the same as the "first generation" Sigma elevators or early Sigma Distributed Inverter "Di1" and "Di2" models from the early to mid 2000s.

Buttons

There are at least three types of buttons that could be used on the Sigma Iris elevators:

  • Standard buttons: Rounded rectangle silver buttons with illuminating letter and halo. Most of them come with braille.
  • Round buttons: Round convex buttons with illuminating letter.
  • Square buttons: Square convex buttons with illuminating letter.

  • Typical Sigma Iris car station, with standard buttons and a floor indicator.

  • Typical Sigma Iris car station in a high rise building.

  • Floor buttons used in a high rise Sigma Iris elevator in Jakarta.

  • Standard buttons

Floor indicators and hall lanterns

Almost every Sigma Iris elevators use digital segments displays with triangle arrows. They can be on the button panel or above the door. Hall lanterns are mostly round acrylic-like blocks (with or without triangle arrow) which light up orange.

  • Typical Sigma Iris hall station.

  • Overhead interior floor indicator.

  • Capacity plate, with just the usual Sigma logo.

Known installations in Indonesia

Jakarta

  • Blok M Square (2007)
  • Seasons City
  • Cosmo Mansion and Residences (some have been modernized by Nidec in the early 2020s)
  • Prodia Tower
  • Glow Tower
  • Kalibata City
  • Gading Nias Residences
  • Malinda Design Center (formerly La Codefin), Kemang (2009)
  • Hamptons Park (2007)
  • Ibis Budget Jakarta Cikini (formerly Hotel Formule1 Cikini)
  • The Chandra Building, Glodok
  • Mediterania Boulevard Residences
  • Mediterania Garden Residences 2 (replaced into Mitsubishi elevators in 2024)
  • Cililitan Wholesale Center
  • Swiss-Belhotel Mangga Besar (2009)

Other cities/provinces

  • Riau Junction, Bandung (2007)
  • Holiday Inn Bandung Pasteur (formerly Aston Primera Pasteur), Bandung
  • Grand Pasundan Hotel, Bandung
  • Tunjungan Plaza 1, Surabaya
  • Gramedia Expo/Dyandra Convention Center, Surabaya
  • W Retreat Bali, Seminyak, Bali (2010)
  • Best Western Hotel Kuta, Bali (2009)
  • Trans Studio Mall Makassar, Makassar

Accidents and incidents

  • In March 2017, a Sigma Iris elevator at Blok M Square, Jakarta plummeted down due to overloading, injuring nearly all passengers inside. It was later replaced into a Sigma Iris NV elevator.

Videos

External links and resources

Sigma elevator models
Models currently in-production PS: ACRA • ACRA 2.0 • Muse NV • Solon 2.0 • Solon Premium / Solon NV
HS: Iris 3
FR: FEC / FEI • FOVF (Otis)
Discontinued models
 PS: D'Brite • Distributed Inverter (Di1 & Di2) • EMRL1000 • Iris • Iris NV • MUSE • Solon (Standard / Comfort)
HS: Distributed Inverter (DS4 & Di5)
FR: -
Unidentified models
(models have no confirmed names) 		-
Destination dispatch e-route
Remarks (PS) Passenger model (traction with or without machine room / hydraulic) • (HS) High speed passenger model • (FR) Freight or heavy duty model
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