• Find a Sales Rep
  • About Stelpro
  • Contact
  • Warranty
  • Resources
  • Shop by Category
  • Baseboards
  • Convectors
  • Fan & Unit Heaters
  • Radiant & Infrared Heaters
  • HVAC Systems
  • Thermostat & Controls
  • Heating Cable Systems
  • Shop by Rooms
  • Basement
  • Bathroom
  • Bedroom
  • Corridor
  • Dining room
  • Entryway
  • Garage
  • Kitchen
  • Living room
  • Playroom
  • Rooms with limited space
  • Stairwell
  • Terrace
  • Best Sellers
  • Architectural Radiant Panel
  • SSR Type Electronic Relay with Heat Sink
  • Sonoma Horizon Wall Fan Heater
  • New Arrivals
  • Architectural Radiant Panel
  • Shop by category
  • Baseboards & Draft Barriers
  • Convectors
  • Fan Heaters & Air Curtains
  • Consoles & Cabinets
  • Radiant & Infrared Heaters
  • HVAC Systems
  • Thermostat & Controls
  • Heating Cable Systems
  • Explosion-Proof & Water Resistant
  • Hand Dryers
  • Shop by Space
  • Agricultural building
  • Commercial space
  • Construction site
  • Factory
  • Hotel
  • Indoor parking garage
  • Office
  • Outdoor waiting area
  • Restaurant drive-through
  • Shopping mall
  • Solarium
  • Spa
  • Sports arena
  • Warehouse
  • Best Sellers
  • Architectural Radiant Panel
  • SSR Type Electronic Relay with Heat Sink
  • Sonoma Horizon Wall Fan Heater
  • New Arrivals
  • Architectural Radiant Panel

Stelpro

  • 1-450-441-0101
  • 1-844-STELPRO (783-5776)

Resources

  • Find a Sales Representative
  • Find a Store
  • Documentation
  • Discontinued Products

Support

  • FAQ
  • Warranty
  • Safety Recalls
  • Returns
  • Contact Us

About

  • Company Info
  • Certifications
  • Media Kit
  • Code of Conduct
  • Privacy Policy
  • Multizone Ductless Heat Pump
  • Overview
  • Characteristics

SMZ

Multizone Ductless Heat Pump

Performance in every space

With a Multi-B ductless systems, you can connect up to six indoor units to a single outdoor unit to achieve an efficient, versatile, and tailored heating and cooling solution. It independently controls multiple zones through one integrated system, ensuring consistent comfort throughout the home with personalized zoning controls and optimal energy savings.

Use cases

  • Exterior use
  • Interior use

Spaces

  • Commercial space
  • Restaurant
  • Office

Characteristics

Advantages
  • New R-454B high-performance gas
  • Greater reliability thanks to newgas leak sensor
  • New technology and machine design — Meet high energy efficiency standards
  • 5 operation modes — Cooling, heating, dehumidifying, fan and auto
  • Can connect up to 6 indoor units
  • Eligible for provincial and federal grants
NOMINAL CAPACITY
  • 18,000, 27,000, 36,000, 48,000, 55,000 BTU/hr
VOLTAGE
  • 230/208V, 60 Hz, 1-phase
MANUFACTURING

Indoor unit/Wall-Mounted Split

  • Plastic housing, standard white
  • Evaporator fins covered with hydrophilic coating for improved corrosion resistance
  • Washable filters

Indoor unit/Ceiling cassette

  • Plastic housing, standard white
  • Evaporator fins covered with hydrophilic coating for improved corrosion resistance
  • Washable filters
  • Includes a remote control

Indoor unit/Ducted Fan Coil

  • Evaporator fins covered with hydrophilic coating for improved corrosion resistance
  • Washable filters
  • Includes a wall controller

Outdoor unit

  • Variable speed rotary compressor (INVERTER), with PCB control protection. Electronic expansion valve for precise control of refrigerant flow
  • Condenser fins covered with a hydrophilic coating for improved corrosion resistance
  • Quiet axial-flow fan
  • Multi-hole pan with smart heater to prevent ice formation
  • Compressor blanket and preheating technology

Connection piping

  • Minimum piping length of 10 ft (3 m)
  • Flared connections
INSTALLATION

Indoor unit

  • High wall installation with ceiling clearance as low as 5 cm
  • Dual side connection

Outdoor unit

  • Installation on aluminum wall bracket or ground stand (optional)
CONTROL
  • Wireless remote included with wall bracket
  • Wi-Fi option available for the wall unit
  • Set temperature: 16°C to 32°C (61°F to 90°F)
  • Temperature display format: °C or °F
  • Interface for wall unit only
WARRANTY
  • 10-year basic warranty on parts and 10-year basic warranty on the compressor (labour not included)
  • Labour warranty (sold separately) from the first to the tenth year on parts and labour, with condenser replacement if the compressor fails
GRANTS
  • Qualifies for rebate programs

Specifications

Performance
OUTDOOR UNIT1 SMZ2B1-H18A-O SMZ3B1-H27A-O SMZ4B1-H36A-O SMZ5B1-H48A-O SMZ5B1-H55A-O
Voltage V 230/208 230/208 230/208 230/208 230/208
Cooling capacity Nominal 5568 (19000) 7912 (27000) 10550 (36000) 13774 (47000) 14946 (51000)
Min. - Max. 1581-8206 (5400-28000) 2110-10862 (7200-37000) 2638-12527 (9000-43000) 3517-16665 (12000-57000) 5568-17223 (19000-59000)
Heating capacity Nominal 5861 (20000) 7913 (27000) 10551 (36000) 14360 (49000) 16119 (55000)
Min. - Max. 1672-7913 (5700-27000) 2465-10551 (8400-36000) 3806-14360 (13000-49000) 5861-16665 (20000-57000) 8190-17223 (28000-59000)
Used cooling power input Nominal 1265 2125 2750 3917 4250
Min. - Max. 400-2250 500-3500 600-4000 800-5400 1200-7400
Used heating power input Nominal 1465 2082 2638 3881 4605
Min. - Max. 350-2300 500-3400 600-3750 800-5200 1200-7400
Cooling rated current A 5.6 9.5 12 17.3 18.5
Heating rated current A 6.5 9.1 11.5 17.3 20.1
MCA A 17.5 30 37 37 39.5
Max. over-current protection (MOCP) A 20 35 40 40 40
SEER2 - 25 23 23 23 22.2
HSPF2 IV - 10.4 10.5 10.7 11 10.5
EER2 BTU/W 15 12.5 13 12 12
COP W/W 4 3.8 4 3.7 3.5
AHRI number 216617670 216617673 216617676 216617679 216617682
ENERGY STAR ✓ ✓ ✓ ✓ ✓

11 Indoor unit and 1 outdoor unit. Note that each unit is individually packaged.

Outdoor Unit - Condenser
SMZ2B1-H18A-O SMZ3B1-H27A-O SMZ4B1-H36A-O SMZ5B1-H48A-O SMZ5B1-H55A-O
Air flow volume CFM 2130.7 2148.4 3037.2 4502.8 4502.8
Sound level dB(A) 61.5 61 65 65 65
Compressor power input W 2045 2765 3265 3430 3430
Compressor RLA A 9.2 17 20.5 27 27
Fan motor power output W 120 120 250 85 85
Fan motor RLA A 1.2 1.3 2.6 2.5 2.5
Refrigerant volume (R-454B) oz. (g) 78.31 (2220) 120.63 (3418) 134.04 (3800) 151.68 (4294) 151.68 (4294)
Net weight lb (kg) 137 (62.3) 168 (76.4) 212 (96.1) 246 (112) 246 (112)
Operating ambient temperature Cooling °C (°F) -30 to 50 (-22 to 122) -30 to 50 (-22 to 122) -30 to 50 (-22 to 122) -30 to 50 (-22 to 122)
Heating °C (°F) -30 to 24 (-22 to 75) -30 to 24 (-22 to 75) -30 to 24 (-22 to 75) -30 to 24 (-22 to 75)
Connection Piping/Refrigerant
Pre-charge length ft. (m) 24.6 (7.5) 24.6 (7.5) 24.6 (7.5) 24.6 (7.5) 24.6 (7.5)
Additional refrigerant charge oz./ft. (g/m) 0.16 (15) 0.16 (15) 0.16 (15) 0.16 (15) 0.16 (15)
Liquid pipe outer diameter in. 3 x 1/4 4 x 1/4 5 x 1/4 6 x 1/4 6 x 1/4
Gas pipe outer diameter in. 3 x 3/8 + 2 x 1/2 3 x 3/8 + 2 x 1/2 3 x 3/8 + 2 x 1/2 4 x 3/8 + 2 x 1/2 4 x 3/8 + 2 x 1/2
Maximum height difference ft. (m) 49.2 (15) 49.2 (15) 49.2 (15) 49.2 (15) 49.2 (15)
Maximum total length ft. (m) 196.8 (60) 262.4 (80) 262.4 (80) 262.4 (80) 262.4 (80)
Indoor Unit - Wall-Mounted Split
SEPB-H09A-I SEPB-H12A-I SEPB-H18A-I SEPB-H24A-I
Dehumidification pt/hr (l/hr) 1.9 (0.9) 2.54 (1.2) 3.17 (1.5) 4.65 (2.2)
Air flow volume UH / H / M / L cfm 441 / 324 / 230 / 177 441 / 324 / 230 / 177 636 / 500 / 359 / 294 812 / 618 / 412 / 318
Sound level UH / H / M / L / S2 dB (A) 47 / 38 / 33 / 21 / 20 47 / 37 / 33 / 22 / 20 50 / 45 / 38 / 32 / 20 55 / 44 / 39 / 27 / 16
Fan motor power output W 20 20 30 58
Fan motor RLA A 0.5 0.5 0.8 1.3
Net weight lb (kg) 23.3 (10.6) 22.93 (10.4) 27.34 (12.4) 43.65 (19.8)
Liquid pipe outer diameter in. 1/4 1/4 1/4 3/8
Gas pipe outer diameter in. 3/8 3/8 1/2 5/8

2Cross-Flow Fan Speeds: (UH) Ultra High (100%) / (H) High (80%) / (M) Medium (60%) / (L) Low (40%) / (S) Silence.

Indoor Unit - Ceiling Cassette
SICB1-H09A-I SICB1-H12A-I SICB1-H18A-I SICB1-H24A-I
Cooling capacity Nominal W (BTU/hr) 2638 (9000) 3517 (12000) 4689 (16000) 6887 (23500)
Heating capacity Nominal W (BTU/hr) 2931 (10000) 3517 (12000) 5568 (19000) 7327 (25000)
Dehumidification pt/hr (l/hr) 1.19 1.98 2.71 3.19
Air flow volume UH / H / M / L cfm 344 / 288 / 231 / 201 / 122 419 / 350 / 256 / 216 / 135 706 / 618 / 530 / 441 / - 854 / 706 / 618 / 500 / -
Sound level UH / H / M / L / S dB (A) 30 / 29 / 28 / 26 33 / 31 / 29 / 26 36 / 34 / 32 / 28 40 / 37 / 35 / 30
Net weight lb (kg) 35.27 (16) 35.27 (16) 35.27 (16) 47.18 (21.4)
Liquid pipe outer diameter in. 1/4 1/4 1/4 3/8
Gas pipe outer diameter in. 3/8 3/8 1/2 5/8
Indoor Unit - Ducted Fan Coil
SFCB1-H09A-I SFCB1-H12A-I SFCB1-H18A-I SFCB1-H24A-I
Cooling capacity Nominal W (BTU/hr) 2638 (9000) 3517 (12000) 5129 (17500) 7034 (24000)
Heating capacity Nominal W (BTU/hr) 2901 (9900) 3517 (12000) 5715 (19500) 7620 (26000)
Dehumidification pt/hr (l/hr) 1.46 2.94 2.94 4.29
Air flow volume UH / H / M / L cfm 344 / 288 / 231 / 201 / 122 419 / 350 / 256 / 216 / 135 706 / 618 / 530 / 441 / - 854 / 706 / 618 / 500 / -
Sound level UH / H / M / L / S dB (A) 30 / 29 / 28 / 26 33 / 31 / 29 / 26 36 / 34 / 32 / 28 40 / 37 / 35 / 30
Net weight lb (kg) 64 (29) 64 (29) 80 (36.3) 80.5 (36.5)
Liquid pipe outer diameter in. 1/4 1/4 1/4 3/8
Gas pipe outer diameter in. 3/8 3/8 1/2 5/8
Accessories
Product Description
SICGA Grille for SICB1-H09A-I, SICB1-H12A-I, SICB1-H18A-I ceiling cassette
SICGB Grille for SICB1-H24A-I ceiling cassette