ACiQ 18,000 BTU 1.5 Ton 25 SEER2 Multi Zone Condenser Extreme Series | Inverter - R454B

Summary

The ACiQ Extreme Series ACIQ-18Z-HH-M3C is a premium multi-zone heat pump condenser featuring Extreme Heat technology for superior low-temperature performance. With an outstanding 25 SEER2 rating and 10.4 HSPF2, this 18,000 BTU (1.5 Ton) inverter system delivers exceptional efficiency in both heating and cooling modes.

This heavy-duty unit operates in extreme temperatures from -22°F to 122°F, with integrated base pan heater and Gold Fin coil protection for maximum durability. Designed to support up to 3 indoor air handlers (maximum 22,500 BTU total capacity), it provides zoned comfort with different temperature settings for each space.

The advanced inverter technology constantly adjusts performance for optimal efficiency and quiet operation (61.5 dB), while the rotary compressor ensures reliable performance in demanding conditions.

Important

Professional installation required - not a DIY unit. Registration required within 60 days for full warranty. Minimum two air handlers must be connected for operation. Installation kit not included.

What's Included

• Extreme Series Outdoor Condenser Unit [SKU: ACIQ-18Z-HH-M3C]
• Installation Manual
• Owner's Manual
• Manufacturer Warranty Information

Key Features:

• Extreme Heat Technology (-22°F operation)
• 25 SEER2 / 10.4 HSPF2 Efficiency
• Multi-Zone Operation (Up to 3 indoor units)
• Integrated Base Pan Heater
• Gold Fin Condenser Coil Protection
• Quiet Operation (61.5 dB)
• Energy Star Certified
• 208/230V Power Supply
• R454B Refrigerant
• Rotary Compressor
• Low Ambient Heating
• Rebate Available

Technical Information

Model Number: ACIQ-18Z-HH-M3C

System Type	Multi-zone heat pump (2-3 zones)
Cooling Capacity	19,000 BTU
Heating Capacity	20,000 BTU
Tonnage	1.5 Ton
Power Source	208/230V, 1Ph, 60Hz
SEER2 Rating	25
SEER Rating	21-22
HSPF2 Rating	10.4
EER	12.5
Refrigerant	R454B
Refrigerant Charge	73.8 oz
Operating Temp Range	-22°F to 122°F
Noise Level	61.5 dB(A)
Line Set Connections	3/8" suction (3), 1/4" liquid (3)
Electrical Requirements	17.5-20A breaker
Dimensions (WxDxH)	42.91x19.68x34.84 in
Weight	148.15 lbs
Compressor Type	Rotary
Electric Heat	Heat Pump
Mini Split Type	Wall Mounted
Zone Compatibility	Multi Zone
AHRI Certificate	216032361
Energy Star Certified	Yes

Warranty

• 12 year compressor limited warranty (with registration)
• 7 year parts limited warranty (with registration)
• Professional installation required
• View Full Warranty Details

Compatible Systems

This Extreme Series condenser supports up to 3 ACiQ indoor units with total capacity up to 22,500 BTU. Compatible with:

• ACiQ Wall Mounted Air Handlers (9K, 12K, 18K BTU)
• ACiQ Ceiling Cassette Units
• ACiQ Slim Duct Units

Zone Combination Examples

2-ZONE SYSTEMS	3-ZONE SYSTEMS
9K + 9K (18K)	9K + 9K + 9K (27K)*
9K + 12K (21K)	9K + 9K + 12K (30K)*
12K + 12K (24K)*	9K + 12K + 12K (33K)*

*Note: Maximum recommended total connected capacity is 22,500 BTU (1.25 × outdoor unit capacity). "K" = 1,000 BTU

Certifications

Energy Star Certified | AHRI Certified | EPA Refrigerant Compliant

Manuals & Downloads

• Installation and Owner's Manual
• Product Submittal Data
• Warranty Information
• Heat Performance Chart
• AHRI Certificate - Ducted Indoor Units
• AHRI Certificate - Non-Ducted Indoor Units

Safety Information: PROPOSITION 65 WARNING