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Delta UPS service in Toronto

Symetrix Canada is not the manufacturer of Delta equipment. For a unit under warranty, check the warranty terms with the manufacturer first.

We commission, maintain and repair Delta UPS systems in Toronto and the GTA: Modulon DPH modular frames, Ultron HPH and DPM Gen2 three-phase units, and Amplon single-phase models in network rooms. The long strings in the Ultron frames and the redundancy margin in the Modulon frames are where most of the maintenance effort goes.

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Key facts

  • Modulon DPH at 208 V: 15 to 60/105 kVA[1]
  • Ultron HPH: 20 to 120 kW [2]; a VRLA string of 32 to 46 blocks at ±240 Vdc [3]
  • Ultron DPM Gen2 at 480 V: 600 to 2,500 kVA[4]
  • DPM Gen2 efficiency: up to 97.5% online, 99.2% in Clean Mode (VI)[5]
  • Amplon battery life: normally 3 years, less in harsh conditions[6]
Battery string and per-block readingsEight battery blocks in series. Voltage, internal resistance and temperature are read on every block; a drifting block is flagged.+ To the DC bus− To the DC busBlock1Block2Block3Block4Block5Block6Block7Block8Voltage (V)Internal resistance (mΩ)Temperature (°C)Drifting block: plan the replacement
An Ultron HPH string runs dozens of VRLA blocks in series. One drifting block cuts the runtime of the whole string.

Ranges we service

Range Rating Usual work
Modulon DPH 15 to 60/105 kVA at 208 V [1] Power modules, battery shelves, redundancy checks
Ultron HPH 20 to 120 kW [2] Battery strings, fans, capacitors
Ultron DPM Gen2 600 to 2,500 kVA at 480 V [4] Battery strings, fans, capacitors, operating mode settings
Amplon single-phase Rack and tower units Batteries, replacement

Delta’s product pages give no end-of-service dates for these ranges.

Long strings and modular redundancy

An Ultron HPH string runs from 32 to 46 VRLA blocks [3]. With that many blocks in series, one block that has drifted cuts the runtime of the whole string, and the UPS front panel shows the string, not the block. Each block is read against its baseline at every visit [7].

On a Modulon DPH, redundancy is a margin that the load eats into. A frame sized N+1 at commissioning is only N+1 while the load stays below the rating of one module less. Each visit compares the load per phase with the module count.

Alarms on Delta units

Indicator What Delta’s manual says What to do
Overload After a limited period the UPS transfers to bypass [8] Unplug non-critical loads to clear it [9]
Battery replace The batteries are weak [10] Book a replacement; expect short runtime
Output short circuit The UPS shuts down with no output voltage [11] Do not restart; call service

Delta’s Amplon manual adds two battery rules. Charge a UPS that sits unused once every 3 months [12]. Near the end of battery life, replace the battery even if the Replace Battery light is off [13].

What we check on a Delta unit

  • The event log and module or frame status, read before any reset
  • Each battery block or module against its last reading [7]
  • Fans, air filters and the temperature at the UPS
  • Input, output and bypass readings, and the load per phase and per module
  • The operating mode setting, and whether a high-efficiency mode suits the load
  • The transfer to bypass and back, to a written method for the live load

Who to call

NeedWho
A new Delta unit to install and commissionSymetrix Canada
Maintenance, batteries or repairSymetrix Canada
A unit under Delta's warrantyDelta first, under its warranty terms

Common questions

Who services Delta UPS systems in Toronto?

We commission, maintain and repair Delta Modulon and Ultron UPS systems across Toronto and the GTA, and replace batteries in Amplon units.

What sizes does the Delta Modulon DPH come in?

Delta lists the DPH at 15 to 60/105 kVA for 208 V systems [1].

How long do Delta UPS batteries last?

Delta's Amplon manual puts normal battery life at 3 years, shorter under harsh operating conditions [6]. Large strings are judged block by block from their readings.

Can a Delta modular UPS be serviced without a shutdown?

Usually. Modules on a redundant frame are swapped while the others carry the load. Work on the frame itself goes through the maintenance bypass, under a method agreed in advance.

Sources

  1. Delta Electronics, DPH 15-60/105 kVA (208 V), page title
  2. Delta Electronics, Ultron HPH 20-120 kW, page title
  3. Delta Electronics, Ultron HPH 20-120 kW, technical specifications
  4. Delta Electronics, DPM Gen2 600-2500 kVA (480 V), page title
  5. Delta Electronics, DPM Gen2 600-2500 kVA (480 V), technical specifications
  6. Delta Electronics, Delta UPS Amplon Family N Series 1/2/3 kVA User Manual, section 5, maintenance
  7. EnerSys, PowerSafe SBS XL Installation, Operation and Maintenance Manual, maintenance section
  8. Delta Electronics, Delta UPS Amplon Family N Series 1/2/3 kVA User Manual, indicator 10, Overload
  9. Delta Electronics, Delta UPS Amplon Family N Series 1/2/3 kVA User Manual, section 4, overload
  10. Delta Electronics, Delta UPS Amplon Family N Series 1/2/3 kVA User Manual, indicator 9
  11. Delta Electronics, Delta UPS Amplon Family N Series 1/2/3 kVA User Manual, section 4, short circuit
  12. Delta Electronics, Delta UPS Amplon Family N Series 1/2/3 kVA User Manual, section 5, maintenance
  13. Delta Electronics, Delta UPS Amplon Family N Series 1/2/3 kVA User Manual, troubleshooting

Delta and the model names are trademarks of their owners, used only to identify the equipment we service.

Updated