Replacement Rooftop
2009 Product Training
OVERVIEW
• History of Multizone
How does RMZ help solve this
issue?
RMZ Business
• 18+ Model Types, 10 - 55 Tons
• Replacement Units
– Schools are 85 - 90% of our sales
– Multizone, Vari-Zone
• New Construction
– Growth Potential is Great
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Single Zone
VAV
Make-up Air
Air Handlers
Why Replace?
• Worn Out Equipment
– Most Existing Multizones 20+ Years
• Reduce Maintenance Costs
• Inefficient Designs
• Improve Indoor Air Quality
– Increase Capacity
– Cure Sick Buildings
Why Direct Replacement?
• Minimize Installation Costs
– Existing Curb And Ductwork Remains
• Limit Disruption To Occupants
– Nearly All Work Confined To Roof
• Reduced Down-time
– Installation Can Often Be Completed In One Day
Why Mammoth?
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Innovation
Quality
Experience
Value
Multizone History / 2-Deck
Design
Market
Schools
Community Centers
1 & 2 Story Office
Buildings
+
–Total Control & Comfort by
Zone
–Maximized Floor Space
–Quiet
–Easily Serviced
-
–Constant Air Volume
–Mixed Hot & Cold Air
–Not Efficient
•Draw-Thru Coils
Multizone History / 3-Deck
Design
Market
Schools
Community Centers
1 & 2 Story Office
Buildings
-
–Constant Air Volume
–Adds Cabinet Height & Length
– Costly Damper
+
–For Replacement -
–Total Control & Comfort by
Zone
•Does Not Match Existing
Ductwork
–Does Not Mix Hot & Cold Air
•Does Not Fit Many Models
–Quiet
•Heavier
–Easily Serviced
Vari-Zone
Market
Schools
Community Centers
1 & 2 Story Office
Buildings
+
–Variable Air Volume
–Total Control & Comfort by
Zone
–Does Not Mix Hot & Cold Air
–Quieter at Part Load
–Easily Serviced
+
–Meets or Exceeds all Federal,
State, & Local Codes for Energy
Efficiency & Indoor Air Quality
•Meets IAQ 62-1989 Std
•Meets ASHRAE 90.1 Std
–For Replacement •Matches Existing Ductwork
•Matches Existing Curb
STANDARD FEATURES
• Welded Frame
• 2” Double-Wall
Construction
• Airfoil Plenum Fans
• Stainless Steel Heat
Exchangers
• High Turndown Burners
• Match Existing Curbs
• Dual Refrigerant Circuits
• Scroll Compressors
(Digital Scroll on Lead)
• EPiC Controller
• Tooled Access
• GFI Outlet
• Control Panel Light
FUTURE CHANGES
• Low Sound
Condenser Fans
FUTURE CHANGES
• MicroChannel
Condensing Coils
FUTURE CHANGES
• 3 Inch Foam Panels
– R values in the
20’s
Competition
• Major Players
– Seasons 4
– Engineered Air
• Minor Players
– Nesbitt
– Haakon
– Airwyse
– Lennox
– Innovent
– Petra
How do you beat them?
•Get Specified!
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– Chase the Engineer, not the Contractor
Unit Weights
Go to school board meetings
Visit the School Superintendent
Put more in the Mammoth units
– Pre-piped valves for CW, HW, Steam
Applications
REPLACEMENT MULTIZONE
THANK YOU