2024 WD CATALOG

RED DOT UNITS

RED DOT UNITS

Sleeper Heater-A/C Heater Only Model R-4122-9 SERVICE PARTS LIST

R-4122 Sleeper Heater/Air Conditioner Unit

COMMERCIAL TRUCKS • INDUSTRIAL CABS • VANS A high-performance heater-A/C unit for big interior spaces, the R-4122 helps keep the sleeper comfortable in any climate. Available with optional sleeper controls and a four-way air diffuser. R-4122 SPECIFICATIONS BTUs Heating – 30,573 BTU/Hr @ 100°F (8.9 kW @ 37.8°C) air temperature rise

1

HEATER-A/C

Cooling – 19,246 BTU/Hr with 36°F (5.6 kW with 2.2°C) refrigerant temperature and 80°F wet bulb entering air

AIR FLOW 283 CFM (481 m 3 /h) WEIGHT 28 lbs. (12.7kg) MOTORS CURRENT 18 amps @ 13.6 VDC DRAW UNITS Heater/A/C OPTIONS: Sleeper Control R-4122-9P – 71R5212 (thermostat with fan and mode switch)

HEATER-A/C

Permanent magnet, three-speed

6

R-4122-9P 12 VDC

7

Outlet 4" 102mm

Plumbing Kit RD-3-12465-0P

Solenoid Valve, 24v

8.8" 224mm

5.4" 137mm

71R9004

Single Shaft, Single Speed Blower Motor 73R0404

2

4

14.5" 368mm

8.4" 213mm

7.9" 201mm

Control Panels (See also 71 Series, Control Panels) 71R5600 Three-speed motor switch - includes manual water valve control 71R5605 Three-speed motor switch - includes electronic water valve control 71R5132 Three-speed motor switch - includes A/C switch electronic water valve 71R5812 Automatic Temperature Control - 12 volt 71R5212 Heater-A/C Control - three-speed motor switch, Red Dot Twin Temp™ Control

5

3

ITEM NOTE PART NO.

DESCRIPTION

CAT. NO. 71R1450 73R0962 73R6391

ITEM NOTE PART NO.

DESCRIPTION

CAT. NO.

5 6 7

RD-3-4066-0P Motor Mount

1 2 3 4

RD-5-3647-0P Resistor

RD-1-0665-0P Heater Core Assembly RD-5-6868-1P Expansion Valve

76R2450 71R8301

RD-5-9400-5P Blower Housing Assembly

A

RD-5-8203-0P Motor - 12v RD-5-5601-0P Blower Wheel

NOTES: A = Heater - A/C Combo Only B = Not Shown

RD-3-4742-0 (REV C) RED DOT CORPORATION P.O.Box 58270 Seattle, WA 98138 (206) 575-3840 AMCustomerService@RedDotCorp.com

FOR REFERENCE ONLY. SUBJECT TO CHANGE WITHOUT NOTICE

RED DOT CORPORATION 2504 E Main Ave Puyallup, WA 98372 (206) 575-3840 AMCustomerService@RedDotCorp.com RD-3-4742-0 (REV C)

FOR REFERENCE ONLY. SUBJECT TO CHANGE WITHOUT NOTICE

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