Spec StoppersSpec StoppersSweet SpotsSweet Spots

SpecialsSpecials

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How To Make $6,000How To Make $6,000 MOREMORE on a 26 ton on a 26 ton

Data Aire Series DX UnitData Aire Series DX Unit

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● Increase Liebert Cost

● Reduce Data Aire Cost

● Liebert can still be basis of design

Specification Control = $$$

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Spec Stopper

● Locking Disconnect Switch

– Standard option with Data Aire

– Liebert charges about $50 more than Data Aire

• Liebert standard is non-locking disconnect

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Justification

● Locking Disconnect Switch

– Safety

• Locking disconnect can be locked in the off position preventing accidental power up of the unit while it is being serviced

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Spec Stopper

● Dual Float Condensate Pump with Alarm

– Standard option with Data Aire

– Liebert charges about $60 more than Data Aire

• Liebert standard is single float no alarm

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Justification

● Dual Float Condensate Pump with Alarm

– Provides an alarm if condensate pump fails

– Alerts operator before water is under floor

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Spec Stopper

● Fire Stat

– Standard with Data Aire

– Liebert charges about $75

• Liebert standard is no firestat

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Justification

● Fire Stat

– Responds to heat not smoke

– Required by some codes

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Spec Stopper

● Crankcase heaters

– Standard with Data Aire

– Liebert charges about $125

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Justification

● Crankcase heaters

– Prevents refrigerant from diluting compressor oil

– Extends compressor life

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Spec Stopper

● Steam Generator Humidifier

– Standard with Data Aire

– Liebert charges about $350

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Justification

● Steam Generator Humidifier– Capacity

• 36% higher capacity than infrared

– Efficiency• 22% more efficient than infrared

– Maintenance• Five minutes to replace canister

– Indoor Air Quality• Enclosed water reservoir heated to boiling

Spec Stopper

● Minimum 18 gauge panels

– Standard with Data Aire

– Liebert standard is 20 gauge

• 18 gauge not available

• Charge about $550 for 16 gauge panels

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Justification

● Minimum 18 gauge panels

– Superior sound attenuation

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Spec Stopper

● R-407c Refrigerant

– No added cost with Data Aire

– Liebert charges about $ 750

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Spec Stopper

● R-407c Refrigerant

– Environmentally friendly

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Liebert Data Aire

Non-Locking Disconnect $ 50 0

Dual Float Condensate Pump $ 60 0

Firestat $ 75 0

Crankcase Heaters $ 125 0

Steam Generator $ 350 0

18 Gauge Panels $ 550 0

R-407C $ 750 0

Total Increase in Cost $1,960 0

Specification Control = $$$

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Spec Stopper (Ceiling Units)

● Belt Drive Fans

– Standard with Data Aire

– Liebert cost about $575

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Justification

● Belt Drive Fans

– Generates higher external static pressure to overcome duct losses

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Spec Stopper (for Liebert)

● 4 Analog Inputs

– Standard with Liebert

– Data Aire *Cost about $250

* Example only; refer to PSG for current price

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Reason to Omit

● 4 Analog Inputs– Seldom, if ever used

– Increases cost

– Only provide information, perform no useful function

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Spec Stopper (for Liebert)

● Motor overload alarm

– Liebert Cost about $100

– Data Aire *Cost about $300 to $400

* Example only; refer to PSG for current price

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Reason to Omit

● Motor overload alarm

– Redundant alarm• No air flow alarm does same thing• Internal overloads protect motor

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Spec Stopper (for Liebert)

● Infrared Humidifier

– Standard Liebert

– Data Aire *Cost about $1,400

* Example only; refer to PSG for current price

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Reason to Omit

● Infrared Humidifier– Efficiency

• 22% less efficient than steam generator

– Maintenance• Difficult and time consuming to clean

– Indoor Air Quality• Infrared has pan of standing water in air

stream in violation of ASHRAE

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Spec Stopper (for Liebert)

● Field split frame into 3 pieces

– Standard Liebert DS

– Data Aire *Cost about $1,300 / split

* Example only; refer to PSG for current price

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Reason to Omit

● Field split frame into 3 pieces

– Spec only when required

– Increases Data Aire cost needlessly

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Spec Stopper (for Liebert)

● Self adjusting motor base

– Not available from Data Aire

● 5 year warranty on drive train

– Standard with Liebert

– Data Aire adds 8% to our price

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How to Handle

● Specify direct drive plug fans instead of warranty and self-adjusting motor base– Cost less– More efficient – No maintenance– No belt dust– Better airflow management

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Spec Stopper (for Liebert)

● Semi-hermetic Compressors

– Standard with Liebert

– Data Aire *Cost about $2,500

* Example only; refer to PSG for current price

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How to Handle

● Specify Scroll Compressors In Lieu of Semi-hermetic Compressors

– Scrolls are 11.5% more efficient

– Scrolls are More reliable by 5 to 1

– Scrolls are Less expensive

Liebert Data Aire

4 Analog Inputs $ 0 $ 250

Motor Overload Alarm $ 100 $ 300

Infrared Humidifier $ 0 $1,400

Split Frame $ 0 $1,300

5 Year Drive Train Warranty $ 0 $1,600

Semi-Hermetic Compressors $ 0 $2,500

Total Increase in Cost $ 100 $7,350

Specification Control = $$$

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● Increased Liebert Cost by adding Data Aire Spec Stoppers $1,960

● Reduced Data Aire Cost byDeleting Liebert Spec Stoppers $7,250

Specification Control = $$$

$ 8,860 Price Difference$ 8,860 Price DifferenceOn Data Aire Series DXOn Data Aire Series DX

$ 5,835 Price Difference$ 5,835 Price DifferenceOn Chilled Water UnitOn Chilled Water Unit

Specification Control = $$$

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We Are Just Getting Started!We Are Just Getting Started!

There Are More Ways to Lock There Are More Ways to Lock up a Job!up a Job!

Specification Control = $$$

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Spec Stopper (for Liebert)

● Digital Scroll Compressors

– Option with Liebert

– Data Aire cannot do

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How To Handle

● Digital Scroll Compressors

– Proprietary• Liebert is only CRAC manufacturer

allowed to buy digital scroll.

– Specify hot gas bypass instead• Functionally equivalent

– Not needed in a room with multiple 2 compressor units

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Spec Stopper

● DAFC with factory mounted pumps

– Standard Data Aire product

– Liebert only offers free-standing pumps

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Justification

● DAFC with factory mounted pumps

– Less field labor

– Single point power connection

– Takes up less space

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Sweet Spot

● Floor mounted DX equipment

– Especially with 2 compressors

• Promote economy of DX systems

• Suggest use of dual cooling units

• Suggest use of a DX unit as a CW backup

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Sweet Spot

● 10 ton and 13 ton ceiling units

– Standard Data Aire product

– Liebert does not offer

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Special

● Plug fans in floor units

– Data Aire *Cost about $1,000 to $1,500 net per fan

– Available On Data Aire DX and CW units

• Both on up flow and down flow

– Only On Liebert Chilled Water >= 30 tons

• Only on down flow

* Example only; contact Data Aire for current price

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Justification

● Plug fans in floor units

– Up to 50% energy savings

– Less than one year payback on cost of fans

– No maintenance

– No belt dust under floor

– Excellent air flow management under floor

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Special

● Condensing unit > 10 tons

– Data Aire *Cost about $1,200 net

– Liebert will not do

* Example only; contact Data Aire for current price

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Justification

● Condensing unit > 10 tons

– Fewer service techs in the data room

• Improved security

• Fewer disruptions

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Special

● R-410a

– Data Aire *Cost, add 10% to price

– Liebert will only offer R-407c

* Example only; contact Data Aire for current price

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Justification

● R-410a

– All major manufacturers have made R-410a the standard

– R-407c charge cannot be topped off

• When a leak is repaired entire charge must be recovered and circuit charged with new refrigerant

– Refrigerant Cost

• R-407c costs 33% more than R-410a

• R-407c costs are rising and R-410a costs are falling

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Special

● Dual power source with automatic power transfer switch

– Data Aire *Cost about $1,400 net

– Liebert does not like to do?

• Eliminates a single point of failure

* Example only; contact Data Aire for current price

Special

● Condenser fans with EC Motors

– Have not seen Liebert quote this

– Stulz will supply them

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Justification

● Condenser fans with EC Motors

– Saves 40% of condenser fan energy

– Increased motor reliability

– Lower noise level at off peak loads

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Special

● Stainless steel DARC cabinet

– Data Aire *Cost about $600 net / fan section

– Will Liebert do?

– How much?

* Example only; contact Data Aire for current price

Data Aire Is Flexible!Data Aire Is Flexible!

Following Are Examples of Following Are Examples of Specials Reps Have RequestedSpecials Reps Have Requested

Specials

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● VFD mounted and wired

● High AIC disconnects

● TEFC Motors

● 2 condensate pumps with auto changeover

● Special location for electrical connections

● Special reheat kW

Electrical Specials

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● Isolation damper control relays

● Various relays for special purposes

● Red/Blue/Yellow alarm beacon

● Mount and wire controls by others (CW only)

● Custom control sequence of operation

Controls Specials

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● Alternate piping locations

● Copper fin coils

● Heresite coating on coils

● Stainless steel coil casing

● Special chilled water valves

● Special coil circuiting, row and fin count

● Dual chilled water or dual DX coils

Coil Specials

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● Reverse blowers

● Aluminum panels on ceiling units

● “Lead-lined” acoustical insulation

● 16 gauge panels

● Double wall construction

Cabinet Specials

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● Foil faced insulation

● Special length, width, and height

● Mirror image units

● Return air plenums on down flow units

● Plenums to hide duct on up flow units

Cabinet Specials

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● Special filters

● V-bank filter sections

● Floor stands enclosed with insulated panels

● Factory painted ceiling units

● Totally special unit e.g. Exxon-Mobil unit

Cabinet Specials