WD_2021

RED DOT UNITS

R-8820Underdash Heater/Air Conditioner Unit MACK

R-8820 SYSTEM ORDERING GUIDE

Condenser With CMCAC* 77R0570 1 77R0570 1 77R0570 1 77R0570 1 77R0570 1

Condenser

Model

Color Engine

Base Kit

Installation Kit

Compressor

Without CMCAC* Mount & Drive Kit

R & U ( 1980-89 ) R & U ( 1980-89 ) R & U ( 1980-89 ) R & U ( 1980-89 ) R & U ( 1980-89 ) RD ( 1980-89 ) RB & RD ( 1980-89 ) RB & RD ( 1980-89 ) RB & RD ( 1980-89 )

G E6 with two Valves

R-8820-2P R-8820-2P R-8820-2P R-8820-1P R-8820-1P R-8820-2P R-8820-2P R-8820-2P R-8820-1P R-8820-1P R-8820-2P R-8820-2P R-8820-2P R-8820-2P R-8820-2P R-8820-2P R-8820-2P

78R1470 78R1470 78R1470 78R1470 78R1470 78R1470 78R1470 78R1470 78R1470 78R1470 78R1470 78R1470 78R1470 78R1470 78R1470 78R1470 78R1470

75R8382 75R8382 75R8382 75R8382 75R8382 75R8382 75R8382 75R8382 75R8382 75R8382 75R8382 75R8382 75R8382 75R8382 75R8382 75R8382 75R8382

77R1300 4 77R1300 4 77R1300 4 77R1300 4 77R1300 4 77R1300 4 77R1300 4 77R1300 4 77R1300 4 77R1300 4

75R9500 2 Mack Dealer Mack Dealer 75R9500 2 Mack Dealer Mack Dealer Mack Dealer 75R9500 2 Mack Dealer Mack Dealer Mack Dealer 75R9500 2 Mack Dealer Mack Dealer Mack Dealer Mack Dealer 75R9500

G E6 with Ambac & Bosch 6000 Injector

HEATER-A/C

G E6 with Bosch 7100 Injector

T E6 with two Valves

T E6 with Ambac & Bosch 6000 Injector

G E6 with two Valves

77R7710 77R7710 77R7710 77R7710 77R7710 77R7710

G E6 with Ambac & Bosch 6000 Injector

G E6 with Bosch 7100 Injector

T E6 with two Valves

RD ( 1980-89 )

T E6 with Ambac & Bosch 6000 Injector

RB Facelift ( 1990+ ) RD Facelift ( 1990 + )

G E7 5 G E7 5

N/A N/A

Mack Dealer Mack Dealer Mack Dealer Mack Dealer Mack Dealer 210RD425

DM ( 1980-89 ) DM ( 1980-89 ) DM ( 1980-89 )

G E6 with two Valves

77R1300 3 77R1300 3

G E6 with Ambac & Bosch 6000 Injector G E6 with Ambac & Bosch 6000 Injector

N/A N/A N/A

DM ( 1990 to 4/15/95 ) DM ( 4/15/95 & later )

G E7 5 G E7 5

UPGRADE HEATER TO HEATER-A/C MR Conversion Kit – E6 with 4 valve ( All )

RD-5-8622-0P LS RD-5-8622-0P LS

Included Included

Included Included

N/A N/A

Mack Dealer Mack Dealer

MR Conversion Kit

– E7

Color Code: B = Black G = Gray T = Tan W=White

1 Requires proper operation of viscous fan to operate properly with R134a 2 Vehicles equipped with steel timing contact Mack for mount kit.

3 Mount Kit will not work on very late E6s. Must change water pump housing to MACK #771GB232M 4 The following items need to be ordered from MACK: (1) 4103-5010332161 Front Condenser Bracket, (1) 4103-5010332164 Rear Condenser Bracket, (1) 4103-5010332652 Receiver Drier Bracket, and ( 3) 4103-5000717723 Hose Support Bracket. 5 Compressor Mount Kit must be ordered separately. E7 ETEC engine may require #12QR4115 blower motor bracket and #1MR2464M pressure switch. * CMCAC = Chassis-mounted charge air cooler

PAGE 43