To determine which size your WPU is, compare your model number to the table below.  The number just after M-OD. (#2) lists the cooling capacity of your WPU in kilowatts.  

kW to unit tonnage Conversion:
  • 3 kW = 1 Ton WPU
  • 5 kW = 1.5 Ton WPU
  • 7 kW = 2 Ton WPU
  • 8 kW = 2.5 Ton WPU
  • 9 kW = 2.5 Ton WPU
  • 13 kW = 3.5 Ton WPU
  • 18kW = 5 Ton WPU


AIRSYS WPU Model Nomenclature

AIRSYS WPU Model Number Nomenclature

1

M-OD

Product series name: M-OD = MOBILECOOL-OUTDOOR: Packaged air conditioner with fresh air free cooling.

2

13

Unit nominal total cooling capacity in kW

3

E1

Compressor type & qty: E1 = Hermetic scroll compressor qty 1; R1= Rotary compressor qty 1

4

C3

Cabinet size code: There are 4 cabinet sizes: C1, C2, C3& C4.

5

D

Control configuration: D = Unit is designed to operate in a Dual control environment (aka Lead/Lag operation)

6

R410

Refrigerant: R410 = R410a.

7

230/1/60

AC Power source: 230/1/60 = 208/230V Single Phase 60Hz AC Power Source

8

AC

Supply Fan configuration:  DC = DC EC fan; AC = AC EC fan.  (EC = Electronically commutated variable speed fan)

9

 

Special code: Utilized to designate unit customization (non-standard configuration)