R-8820Underdash Heater/Air Conditioner Unit MACK R MODEL CABS The R-8820 heater/air conditioner has a factory-installed look and improved air control and performance over the OE system. Uses existing mounting points for installation in R, U, DM, RL/RS, and RW cabs. Note: Kits for Model LE and MR severe-service applications are available from Mack dealers.

R-8820 SPECIFICATIONS BTUs Heating – 27,000 BTU/Hr @ 100°F

(kW 7.91 @ 37.8°C) air temperature rise Cooling – 20,000 BTU/Hr with 36°F (kW 5.86 with 2.2°C) refrigerant temperature and 80°F (26.7°C) wet bulb entering air


AIR FLOW 250 CFM (425 m 3 /h) WEIGHT 34 lbs. (15 kg) MOTOR

Permanent magnet, extended life

CURRENT 14 amps @ 13.6 VDC DRAW CONTROLS Three-speed blower motor switch,

temperature-level and mode-selection lever


R-8820-1P (tan) R-8820-2P (grey)

MODEL LE & MR SEVERE SERVICE APPLICATIONS Component parts available separately from Red Dot: R-2000-11P A/C Unit R-6160-0P Condensor 78R1025 Installation Kit

1.0" 26mm

14.1" 358mm

8.5" 216mm

10.0" 254mm

RD-5-8476-0P LE Roof Bracing RD-5-8476-1P MR Roof Bracing

For compressor and compressor mount kit contact your local Mack dealer.

See ordering guide on the next page...

13.9" 363mm

17.9" 455mm

12.1" 303mm

32.5" 826mm


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