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Spec Stoppers Sweet Spots Specials. 1. How To Make $6,000 MORE on a 26 ton Data Aire Series DX Unit. 2. Increase Liebert Cost Reduce Data Aire Cost Liebert can still be basis of design. Specification Control = $$$. Spec Stopper. Locking Disconnect Switch

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specification control
Increase Liebert Cost

Reduce Data Aire Cost

Liebert can still be basis of design

Specification Control = $$$
spec stopper
Spec Stopper

Locking Disconnect Switch

Standard option with Data Aire

Liebert charges about $50 more than Data Aire

Liebert standard is non-locking disconnect

justification
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

5

spec stopper1
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

justification1
Justification

Dual Float Condensate Pump with Alarm

Provides an alarm if condensate pump fails

Alerts operator before water is under floor

7

spec stopper2
Spec Stopper

Fire Stat

Standard with Data Aire

Liebert charges about $75

Liebert standard is no firestat

8

justification2
Justification

Fire Stat

Responds to heat not smoke

Required by some codes

spec stopper3
Spec Stopper

Crankcase heaters

Standard with Data Aire

Liebert charges about $125

justification3
Justification

Crankcase heaters

Prevents refrigerant from diluting compressor oil

Extends compressor life

11

spec stopper4
Spec Stopper

Steam Generator Humidifier

Standard with Data Aire

Liebert charges about $350

justification4
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

13

spec stopper5
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

14

justification5
Justification

Minimum 18 gauge panels

Superior sound attenuation

15

spec stopper6
Spec Stopper

R-407c Refrigerant

No added cost with Data Aire

Liebert charges about $ 750

16

spec stopper7
Spec Stopper

R-407c Refrigerant

Environmentally friendly

17

specification control1
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 = $$$

18

spec stopper ceiling units
Spec Stopper (Ceiling Units)

Belt Drive Fans

Standard with Data Aire

Liebert cost about $575

justification6
Justification

Belt Drive Fans

Generates higher external static pressure to overcome duct losses

20

spec stopper for liebert
Spec Stopper (for Liebert)

4 Analog Inputs

Standard with Liebert

Data Aire *Cost about $250

* Example only; refer to PSG for current price

21

reason to omit
Reason to Omit

4 Analog Inputs

Seldom, if ever used

Increases cost

Only provide information, perform no useful function

22

spec stopper for liebert1
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

reason to omit1
Reason to Omit

Motor overload alarm

Redundant alarm

No air flow alarm does same thing

Internal overloads protect motor

24

spec stopper for liebert2
Spec Stopper (for Liebert)

Infrared Humidifier

Standard Liebert

Data Aire *Cost about $1,400

* Example only; refer to PSG for current price

reason to omit2
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

26

spec stopper for liebert3
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

reason to omit3
Reason to Omit

Field split frame into 3 pieces

Spec only when required

Increases Data Aire cost needlessly

28

spec stopper for liebert4
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

how to handle
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

30

spec stopper for liebert5
Spec Stopper (for Liebert)

Semi-hermetic Compressors

Standard with Liebert

Data Aire *Cost about $2,500

* Example only; refer to PSG for current price

how to handle1
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

32

specification control2
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 = $$$

33

specification control3
Increased Liebert Cost by adding Data Aire Spec Stoppers $1,960

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

Specification Control = $$$
we are just getting started

We Are Just Getting Started!

Specification Control = $$$

There Are More Ways to Lock up a Job!

36

spec stopper for liebert6
Spec Stopper (for Liebert)

Digital Scroll Compressors

Option with Liebert

Data Aire cannot do

how to handle2
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

38

spec stopper8
Spec Stopper

DAFC with factory mounted pumps

Standard Data Aire product

Liebert only offers free-standing pumps

justification7
Justification

DAFC with factory mounted pumps

Less field labor

Single point power connection

Takes up less space

40

sweet spot
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
sweet spot1
Sweet Spot

10 ton and 13 ton ceiling units

Standard Data Aire product

Liebert does not offer

special
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

justification8
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

44

special1
Special

Condensing unit > 10 tons

Data Aire *Cost about $1,200 net

Liebert will not do

* Example only; contact Data Aire for current price

justification9
Justification

Condensing unit > 10 tons

Fewer service techs in the data room

Improved security

Fewer disruptions

46

special2
Special

R-410a

Data Aire *Cost, add 10% to price

Liebert will only offer R-407c

* Example only; contact Data Aire for current price

justification10
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

48

special3
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

special4
Special

Condenser fans with EC Motors

Have not seen Liebert quote this

Stulz will supply them

50

justification11
Justification

Condenser fans with EC Motors

Saves 40% of condenser fan energy

Increased motor reliability

Lower noise level at off peak loads

51

special5
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!

Specials

Following Are Examples of Specials Reps Have Requested

53

electrical specials
Electrical Specials
  • VFD mounted and wired
  • High AIC disconnects
  • TEFC Motors
  • 2 condensate pumps with auto changeover
  • Special location for electrical connections
  • Special reheat kW
controls specials
Controls Specials
  • 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
coil specials
Coil Specials
  • 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
cabinet specials
Cabinet Specials
  • Reverse blowers
  • Aluminum panels on ceiling units
  • “Lead-lined” acoustical insulation
  • 16 gauge panels
  • Double wall construction
cabinet specials1
Cabinet Specials
  • 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 specials2
Cabinet Specials
  • Special filters
  • V-bank filter sections
  • Floor stands enclosed with insulated panels
  • Factory painted ceiling units
  • Totally special unit e.g. Exxon-Mobil unit
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