Coleman | Mach Soft Start Kit | 1497-3601

Reduce startup surge and protect your Coleman Mach RV air conditioner with the Coleman Mach 1497-3601 Soft Start Control Kit. This OEM factory soft-start solution dramatically cuts startup amperage by up to 75% — preventing breaker trips, reducing generator load, lowering compressor wear, and extending AC service life. The single most impactful upgrade you can make to an existing Coleman Mach rooftop unit.

Why Soft Start Matters

Without a soft start, a Coleman Mach compressor can draw three to four times its running amperage at the moment of startup — enough to trip campground breakers, overwhelm smaller portable generators, and stress your compressor every time the AC cycles on. The 1497-3601 changes that by smoothly ramping the compressor up to operating amperage rather than demanding it all at once.

Up to 75% Startup Amperage Reduction

The headline benefit: dramatically lower inrush current at compressor startup. Real-world impact:

• Significantly fewer breaker trips at campground pedestals with marginal amperage capacity
• Works with smaller portable generators that couldn't otherwise handle AC startup
• Less stress on the compressor at every startup cycle — meaningful long-term durability gain
• Lower motor heat from reduced startup load
• Quieter, smoother starts with less compressor vibration
• Reduced overall power consumption during operation

Continuous-Learning Smart Control

The 1497-3601 isn't just a passive surge limiter — it includes a continuous-learning algorithm that monitors and adapts to changing load conditions every time the unit starts. The control fine-tunes electrical parameters for optimal performance under current ambient conditions — so the system gets smarter at handling YOUR AC under YOUR conditions over time.

Weatherproof Exterior-Mount Design

The unibody ABS enclosure is rated for year-round exterior exposure, and the kit mounts on the outside of the coach without altering the appearance of the AC unit itself. No interior cabinet space needed, no visual changes to the rooftop AC — just better performance from your existing unit.

⚠️ Compatibility — Confirm Your AC Series Before Ordering

The 1497-3601 is compatible with Coleman Mach AC units across multiple series. Compatible series:

• 35000 / 45000
• 37000 / 47000
• 38000 / 48000

Before ordering, verify your unit's model number on the data plate located on the rooftop AC shroud. This kit is for Coleman Mach branded units only — it is not compatible with other brands.

Generator Compatibility — A Game-Changer for Boondockers

The 1497-3601 is especially valuable for RVers who run their AC from a generator or shore power with limited capacity. Without a soft start, your AC startup surge may exceed the generator's continuous rating — even if the generator can handle the AC's running amperage. With the 1497-3601 installed, you can run your AC from a much wider range of power sources, including smaller portable generators and campground pedestals with limited amperage headroom.

New Install or Retrofit

The 1497-3601 works equally well as:

• A new install with a freshly purchased Coleman Mach AC
• A retrofit onto an existing rooftop AC installation

Installation is straightforward with all required hardware included — typical install takes a few hours for someone comfortable with basic electrical work.

Warranty-Safe Installation

Installation of this kit does not void or adversely affect your existing Coleman Mach AC warranty. As a Coleman Mach OEM product, the 1497-3601 is designed to work with the AC unit's existing electrical system without triggering warranty exclusions.

What's Included

• (1) Soft Start Control Box
• (1) Mounting Bracket
• (4) #10-3/8 Screws
• (4) #10-5/8 Self-Drilling Screws
• (1) Split Bushing
• (2) Wire Nuts
• (5) Wire Ties
• (1) Sealant

All hardware needed for a complete exterior installation is included.

Installation Overview

1. Verify compatibility — confirm your AC's model series
2. Disconnect power to the AC before starting work
3. Mount the bracket on the exterior of the coach with the self-drilling screws
4. Secure the control box to the bracket with the #10-3/8 screws
5. Route wiring through the split bushing into the AC's wiring compartment
6. Make connections with the included wire nuts per the wiring diagram
7. Seal penetrations with the included sealant for weatherproofing
8. Restore power and test — confirm smooth, surge-free startup

Key Features

• OEM Coleman Mach soft start kit
• Up to 75% reduction in startup amperage
• Continuous-learning algorithm — adapts to changing load conditions
• Reduced overall power consumption during operation
• Smooth voltage ramp-up — eliminates damaging voltage spikes
• Lower motor heat — extends compressor service life
• Quieter, smoother startups
• Weatherproof unibody ABS enclosure
• Exterior coach mounting — no AC appearance changes
• Works with smaller generators and limited-amp pedestals
• New install or retrofit compatible
• Fits Coleman Mach 35000/45000, 37000/47000, and 38000/48000 series AC units
• Warranty-safe — does not affect Coleman Mach AC warranty
• 1-year limited manufacturer warranty (upgradable to 2-year when purchased with a Coleman Mach AC)

Specifications

• Brand: Coleman Mach
• Part Number: 1497-3601
• Type: Soft Start Control Kit
• Startup Amperage Reduction: Up to 75%
• Compatible Series: Coleman Mach 35000/45000, 37000/47000, and 38000/48000 series ACs and heat pumps
• Enclosure Type: Unibody ABS (weatherproof)
• Mount Location: Exterior of coach
• Smart Feature: Continuous-learning optimization
• Affects Existing AC Warranty: No
• Compatible With Other Brands: No (Coleman Mach only)
• Installation: New or retrofit
• Weight: 5 lbs
• Condition: New OEM
• Warranty: 1-year limited manufacturer warranty (upgradable to 2-year when purchased with a Coleman Mach AC)