Spec Stoppers Sweet Spots Specials

Spec StoppersSpec StoppersSweet SpotsSweet Spots

SpecialsSpecials

1

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

2

3

● Increase Liebert Cost

● Reduce Data Aire Cost

● Liebert can still be basis of design

Specification Control = $$$

4

Spec Stopper

● Locking Disconnect Switch

– Standard option with Data Aire

– Liebert charges about $50 more than Data Aire

• Liebert standard is non-locking disconnect

5

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

6

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

7

Justification

● Dual Float Condensate Pump with Alarm

– Provides an alarm if condensate pump fails

– Alerts operator before water is under floor

8

Spec Stopper

● Fire Stat

– Standard with Data Aire

– Liebert charges about $75

• Liebert standard is no firestat

9

Justification

● Fire Stat

– Responds to heat not smoke

– Required by some codes

10

Spec Stopper

● Crankcase heaters



11

Justification

● Crankcase heaters

– Prevents refrigerant from diluting compressor oil

– Extends compressor life

12

Spec Stopper

● Steam Generator Humidifier



13

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


– Liebert standard is 20 gauge

• 18 gauge not available

• Charge about $550 for 16 gauge panels

14

Justification

● Minimum 18 gauge panels

– Superior sound attenuation

15

Spec Stopper

● R-407c Refrigerant

– No added cost with Data Aire

– Liebert charges about $ 750

16

Spec Stopper

● R-407c Refrigerant

– Environmentally friendly

17

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


18

19

Spec Stopper (Ceiling Units)

● Belt Drive Fans


– Liebert cost about $575

20

Justification

● Belt Drive Fans

– Generates higher external static pressure to overcome duct losses

21

Spec Stopper (for Liebert)

● 4 Analog Inputs

– Standard with Liebert

– Data Aire *Cost about $250

* Example only; refer to PSG for current price

22

Reason to Omit

● 4 Analog Inputs– Seldom, if ever used

– Increases cost

– Only provide information, perform no useful function

23


● Motor overload alarm

– Liebert Cost about $100

– Data Aire *Cost about $300 to $400


24

Reason to Omit

● Motor overload alarm

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

25


● Infrared Humidifier

– Standard Liebert

– Data Aire *Cost about $1,400


26

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

27


● Field split frame into 3 pieces

– Standard Liebert DS

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


28

Reason to Omit

● Field split frame into 3 pieces

– Spec only when required

– Increases Data Aire cost needlessly

29


● Self adjusting motor base

– Not available from Data Aire

● 5 year warranty on drive train


– Data Aire adds 8% to our price

30

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

31


● Semi-hermetic Compressors


– Data Aire *Cost about $2,500


32

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


33

34

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

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


$ 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


35

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!


36

37


● Digital Scroll Compressors

– Option with Liebert

– Data Aire cannot do

38

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

39

Spec Stopper

● DAFC with factory mounted pumps

– Standard Data Aire product

– Liebert only offers free-standing pumps

40

Justification

● DAFC with factory mounted pumps

– Less field labor

– Single point power connection

– Takes up less space

41

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

42

Sweet Spot

● 10 ton and 13 ton ceiling units

– Standard Data Aire product

– Liebert does not offer

43

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

44

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

45

Special

● Condensing unit > 10 tons

– Data Aire *Cost about $1,200 net

– Liebert will not do


46

Justification

● Condensing unit > 10 tons

– Fewer service techs in the data room

• Improved security

• Fewer disruptions

47

Special

● R-410a

– Data Aire *Cost, add 10% to price

– Liebert will only offer R-407c


48

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

49

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


Special

● Condenser fans with EC Motors

– Have not seen Liebert quote this

– Stulz will supply them

50

Justification

● Condenser fans with EC Motors

– Saves 40% of condenser fan energy

– Increased motor reliability

– Lower noise level at off peak loads

51

52

Special

● Stainless steel DARC cabinet

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

– Will Liebert do?

– How much?


Data Aire Is Flexible!Data Aire Is Flexible!

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

Specials

53

54

● 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

55

● 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

56

● 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

57

● Reverse blowers

● Aluminum panels on ceiling units

● “Lead-lined” acoustical insulation

● 16 gauge panels

● Double wall construction

Cabinet Specials

58

● 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

59

● 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

Spec Stoppers Sweet Spots Specials

Documents

Transcript of Spec Stoppers Sweet Spots Specials