Spec Stoppers Sweet Spots Specials How To

Spec Stoppers Sweet Spots Specials

How To Make $6, 000 MORE on a 26 ton Data Aire Series DX Unit

Specification Control = $$$ ● Increase Liebert Cost ● Reduce Data Aire Cost ● Liebert can still be basis of design 3

Spec Stopper ● Locking Disconnect Switch – Standard option with Data Aire – Liebert charges about $50 more than Data Aire • Liebert standard is non-locking disconnect 4

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 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 6

Justification ● Dual Float Condensate Pump with Alarm – Provides an alarm if condensate pump fails – Alerts operator before water is under floor 7

Spec Stopper ● Fire Stat – Standard with Data Aire – Liebert charges about $75 • Liebert standard is no firestat 8

Justification ● Fire Stat – Responds to heat not smoke – Required by some codes 9

Spec Stopper ● Crankcase heaters – Standard with Data Aire – Liebert charges about $125 10

Justification ● Crankcase heaters – Prevents refrigerant from diluting compressor oil – Extends compressor life 11

Spec Stopper ● Steam Generator Humidifier – Standard with Data Aire – Liebert charges about $350 12

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 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

Justification ● Minimum 18 gauge panels – Superior sound attenuation 15

Spec Stopper ● R-407 c Refrigerant – No added cost with Data Aire – Liebert charges about $ 750 16

Spec Stopper ● R-407 c Refrigerant – Environmentally friendly 17

Specification Control = $$$ Liebert Data Aire Non-Locking Disconnect $ 0 Dual Float Condensate Pump $ 60 0 Firestat $ 75 0 Crankcase Heaters $ 125 0 Steam Generator $ 350 0 18 Gauge Panels $ 550 0 R-407 C $ 750 0 Total Increase in Cost $1, 960 18 50 0

Spec Stopper (Ceiling Units) ● Belt Drive Fans – Standard with Data Aire – Liebert cost about $575 19

Justification ● Belt Drive Fans – Generates higher external static pressure to overcome duct losses 20

Spec Stopper (for Liebert) ● 4 Analog Inputs – Standard with Liebert – Data Aire *Cost about $250 21 * Example only; refer to PSG for current price

Reason to Omit ● 4 Analog Inputs – Seldom, if ever used – Increases cost – Only provide information, perform no useful function 22

Spec Stopper (for Liebert) ● Motor overload alarm – Liebert Cost about $100 – Data Aire *Cost about $300 to $400 23 * Example only; refer to PSG for current price

Reason to Omit ● Motor overload alarm – Redundant alarm • No air flow alarm does same thing • Internal overloads protect motor 24

Spec Stopper (for Liebert) ● Infrared Humidifier – Standard Liebert – Data Aire *Cost about $1, 400 25 * Example only; refer to PSG for current price

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 Liebert) ● Field split frame into 3 pieces – Standard Liebert DS – Data Aire *Cost about $1, 300 / split 27 * Example only; refer to PSG for current price

Reason to Omit ● Field split frame into 3 pieces – Spec only when required – Increases Data Aire cost needlessly 28

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 29

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 Liebert) ● Semi-hermetic Compressors – Standard with Liebert – Data Aire *Cost about $2, 500 31 * Example only; refer to PSG for current price

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 Control = $$$ Liebert Data Aire 4 Analog Inputs $ 0 $ 250 Motor Overload Alarm $ 100 $ 300 Infrared Humidifier $ $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 33 0 $7, 350

Specification Control = $$$ ● Increased Liebert Cost by adding Data Aire Spec Stoppers ● Reduced Data Aire Cost by Deleting Liebert Spec Stoppers 34 $1, 960 $7, 250

Specification Control = $$$ $ 8, 860 Price Difference On Data Aire Series DX $ 5, 835 Price Difference On Chilled Water Unit

Specification Control = $$$ We Are Just Getting Started! There Are More Ways to Lock up a Job! 36

Spec Stopper (for Liebert) ● Digital Scroll Compressors – Option with Liebert – Data Aire cannot do 37

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 Stopper ● DAFC with factory mounted pumps – Standard Data Aire product – Liebert only offers free-standing pumps 39

Justification ● DAFC with factory mounted pumps – Less field labor – Single point power connection – Takes up less space 40

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 41

Sweet Spot ● 10 ton and 13 ton ceiling units – Standard Data Aire product – Liebert does not offer 42

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 43 * Example only; contact Data Aire for current price

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

Special ● Condensing unit > 10 tons – Data Aire *Cost about $1, 200 net – Liebert will not do 45 * Example only; contact Data Aire for current price

Justification ● Condensing unit > 10 tons – Fewer service techs in the data room • Improved security • Fewer disruptions 46

Special ● R-410 a – Data Aire *Cost, add 10% to price – Liebert will only offer R-407 c 47 * Example only; contact Data Aire for current price

Justification ● R-410 a – All major manufacturers have made R-410 a the standard – R-407 c charge cannot be topped off • When a leak is repaired entire charge must be recovered and circuit charged with new refrigerant – Refrigerant Cost • R-407 c costs 33% more than R-410 a • R-407 c costs are rising and R-410 a costs are falling 48

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 49 * Example only; contact Data Aire for current price

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

Special ● Stainless steel DARC cabinet – Data Aire *Cost about $600 net / fan section – Will Liebert do? – How much? 52 * Example only; contact Data Aire for current price

Specials Data Aire Is Flexible! Following Are Examples of Specials Reps Have Requested 53

Electrical Specials ● VFD mounted and wired ● High AIC disconnects ● TEFC Motors ● 2 condensate pumps with auto changeover ● Special location for electrical connections ● Special reheat k. W 54

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 55

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 56

Cabinet Specials ● Reverse blowers ● Aluminum panels on ceiling units ● “Lead-lined” acoustical insulation ● 16 gauge panels ● Double wall construction 57

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 58

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 59