Coleman | Control Box Assembly | 8330-752 | Cool Only

Convert your manual-controlled Coleman Mach RV air conditioner to wall thermostat operation with the Coleman Mach AC Cool Control Package (Part #8330-752). This complete control package is specifically designed for non-ducted Coleman Mach systems running in cool-only service from a wall thermostat — including everything you need to make the conversion in a single kit.

Convert Dial Controls to Wall Thermostat Operation

One of the most practical uses of the 8330-752 is converting a manually-controlled ceiling assembly (one with built-in dial controls) to wall thermostat operation. Instead of climbing a step stool to fiddle with ceiling dials every time the temperature changes, you set the wall thermostat once and let it maintain temperature automatically. Real quality-of-life upgrade — and there's no need to replace your rooftop AC unit to make the change.

Complete Package — Everything Needed for Installation

The 8330-752 includes everything required for a full installation:

• Control box assembly (model 8430-385)
• Freeze sensor
• Thermostat cable assembly
• Mounting hardware — spring nuts, wire nuts, cable clamp

No additional accessories to source — open the box and install.

12V DC Low-Voltage Control

The 8330-752 operates on a 12V DC low-voltage control circuit. It can also operate a furnace with a 12V DC control circuit of 1 amp or less (continuous current), giving you flexibility in how the system is wired.

⚠️ Compatibility Is Thermostat-Dependent

This is an important purchase consideration. Compatibility is determined by the wall thermostat in use — not the air conditioner unit itself. The package works with any compatible Coleman Mach non-ducted ceiling assembly, but the controlling thermostat must be appropriate for a 12V DC cool-only low-voltage control circuit. Please verify thermostat compatibility against manufacturer specifications before purchasing.

⚠️ Cool-Only — Not for Heat Strip or Heat Pump

The 8330-752 is strictly a cool-only control package — it does not support an electric heat strip or a heat pump. If you need heat strip capability, the Coleman 9330C755 heat-ready cool control kit is the right alternative — same kind of control package, but engineered to support heat strip operation in addition to cooling.

Plug-and-Play Replacement

The 8330-752 is also a direct replacement for failed or aging OEM control packages in compatible non-ducted Coleman Mach systems. Straightforward wiring, no major modifications — just swap in the new unit and restore proper operation.

Key Features

• Complete cool-only control package for Coleman Mach non-ducted A/C systems
• Converts dial-controlled ceiling assemblies to wall thermostat operation
• Includes control box (8430-385), freeze sensor, thermostat cable, mounting hardware
• 12V DC low-voltage control circuit
• Can also operate a furnace with a 12V DC control circuit (≤1 amp continuous)
• Direct OEM replacement for failed/aging control packages
• Cool-only — does not support heat strip or heat pump
• Backed by a limited 1-year manufacturer warranty (may extend to 2 years under the AC's coverage in some cases)

What's Included

• (1) Control box assembly (8430-385)
• (1) Freeze sensor
• (1) Thermostat cable assembly
• Spring nuts
• Wire nuts
• Cable clamp

Specifications

• Brand: Coleman Mach
• Part Number: 8330-752
• Type: AC Cool Control Package
• Function: Cool only (no heat strip / no heat pump)
• Application: Non-ducted Coleman Mach A/C systems with wall thermostat
• Control Circuit: 12V DC low voltage
• Furnace Compatibility: 12V DC control circuit, ≤1 amp continuous current
• Control Box Model: 8430-385
• Compatibility Determined By: Wall thermostat (must support 12V DC cool-only low-voltage)
• Alternative for Heat Strip: 9330C755 heat-ready cool control kit
• Warranty: Limited 1-year manufacturer warranty