OTP-F-R32 Flexx R32 Central Heat Pump

An overview of Ouellet's OTP-F-R32 Flexx R32 Central Heat Pump system, designed for efficient heating and cooling.

Performance Overview

Cooling Performance: Operates effectively down to -15°C (5°F).

Heating Performance: Operates effectively down to -30°C (-22°F).

Energy Efficiency Ratings: Up to 19 SEER2 in Cooling and 10.5 HSPF2 in Heating.

Key Features

Operation Modes

Supports Cooling, heating, dehumidifying, fan-only, and auto modes.

Nominal Capacity

Available capacities: 24000, 36000, 42000, 60000 BTU/hr.

Power Requirements

Voltage: 230/208V, 60 Hz, 1-phase.

Indoor Unit (Air Handler)

Compact and space-saving design.
Compatible with most standard 24V thermostats.
Equipped with an A2L leak detection sensor.

Outdoor Unit

Variable speed rotary compressor (INVERTER) with overload protection.
Electronic expansion valve for precise refrigerant flow control.
Condenser fins feature a hydrophilic coating for enhanced corrosion resistance.
Large diameter, quiet axial-flow fan for improved heat exchange efficiency.
Includes a smart pan heater to prevent ice formation.
Features compressor blanket and preheating technology.
Can be installed on an aluminum wall bracket or an optional ground stand.

Connection Piping & Control

Connection Piping

Minimum piping length: 24.6 ft. (7.5 m).
Features flared connections.

Control

Operating Temperatures:
- Cooling: -15 to 54 °C (5 to 129 °F).
- Heating: -30 to 24 °C (-22 to 75 °F).
Temperature display format can be set to °C or °F.

Warranty & Application

Warranty

Offers a 10-year basic warranty on parts and a 10-year basic warranty on the compressor (labor is not included). An optional labor warranty is available for purchase.

Application

Suitable for private residences, condominiums, commercial buildings, office buildings, and restaurants.

Included Components & Features

Self-Diagnosis ?
Comprehensive Protection ✔️
High ESP [High Static Pressure]
Wide Operation Range ?️
High Efficiency ⚡
Intelligent Defrosting ❄️
Energy Saving Function ?
Flexible Connecting Pipe ?
A2L Safety Sensor ⚠️

Available Options

Accessory options include:

Electric heater kits: 6kW (LYQ-08-F), 9kW (LYQ-08-G), 12kW (LYQ-08-H).
Adaptor for welding option on suction line (OTP-FKCP).
Terminal block kit (OTP-B04537).
24V thermostat (OTP-R02P033).

Technical Specifications - Outdoor Units

Technical Performance	OFLX1-H36A-O	OFLX1-H60A-O
Refrigerant type	R32	R32
Cooling capacity	Nominal: 24000 BTU/hr	Nominal: 34000 BTU/hr
Cooling capacity	Min.-max.: 3.5-8.8 (12000-30000) BTU/hr	Min.-max.: 3.2-10.8 (18000-37000) BTU/hr
Heating capacity	Nominal: 24000 BTU/hr	Nominal: 34000 BTU/hr
Heating capacity	Min.-max.: 3.5-8.8 (12000-30000) BTU/hr	Min.-max.: 5.2-11.1 (18000-38000) BTU/hr
Power supply	230/208V, 1 Ph, 60 Hz	230/208V, 1 Ph, 60 Hz
SEER2	18	18
HSPF2	10	10
EER	12.5	12
COP	3.6	3.2
MCA (A)	30	30
Max. over-current protection (MOCP) (A)	27.7	27.7
AHRI number	216626170	216440572
ENERGY STAR	✓	✓
Refrigerant volume (R32) (lb/oz)	4.4 (102.3)	4.4 (102.3)
Connection pipes	Liquid (in.)	3/8	3/8
Connection pipes	Gas (in.)	3/4	3/4
Net weight (lb/kg)	187.5 (85)	187.5 (85)
Sound level (dB(A))	60	60
Compressor power input (W)	14	19.7
Compressor LRA (A)	1.5	1.5
Compressor RLA (A)	19.7	19.7
Fan motor power output (A)	1.5	1.5
Cooling nominal power input (A)	14.6	22
Heating nominal power input (A)	19.2	25.6
Operating ambient temperature in cooling (°C/°F)	-15 to 54 (5 to 129)	-15 to 54 (5 to 129)
Operating ambient temperature in heating (°C/°F)	-30 to 24 (-22 to 75)	-30 to 24 (-22 to 75)
Maximum pipe length between outdoor and indoor units (ft/m)	99 (30)	99 (30)
Maximum height between outdoor and indoor units (ft/m)	49 (15)	49 (15)

Outdoor Unit Dimensions

OFLX1-H36A-O Dimensions:

Front View: Width (A) 38 31/32 in (990 mm), Depth (B) 16 13/16 in (427 mm).
Side View: Height (C) 37 51/64 in (960 mm).
Top View: Depth (D) 29 49/64 in (756 mm), Width (E) 15 35/64 in (395 mm), Height (G) 14 9/16 in (370 mm).

OFLX1-H60A-O Dimensions:

Front View: Width (A) 35 7/16 in (900 mm), Depth (B) 16 17/64 in (413 mm).
Side View: Height (C) 49 39/64 in (1260 mm).
Top View: Depth (D) 22 7/16 in (570 mm), Width (E) 14 7/8 in (378 mm), Height (G) 13 25/64 in (340 mm).

Technical Specifications - Indoor Units (Air Handler)

Product #	OAHX1-H24A-I	OAHX1-H36A-I	OAHX1-H48A-I	OAHX1-H60A-I
Power supply (V/Ph/Hz)	230/208/1/60	230/208/1/60	230/208/1/60	230/208/1/60
Electrical data - Supply Cooling (W)	1	1.6	2.1	2.8
Electrical data - Supply Cooling (W)	Input Current Cooling (A)	1	1.5	1.9	2.5
Max. over-current protection (MOCP) (A)	15	15	15	15
Voltage min./max. (V)	187/253	187/253	187/253	187/253
Sound level (dB(A))	50	51	52	53
Refrigerant Type	R32	R32	R32	R32
Control	Thermal expansion valve	Thermal expansion valve	Thermal expansion valve	Thermal expansion valve
ENERGY STAR	✓	✓	✓	✓
Air flow	cfm	760	1000	1200	1700
Air flow	m³/hr	1291	1700	2040	2550
HPS (High Static Pressure) Range (inH2O)	0 to 250	0 to 250	0 to 250	0 to 250
HPS (High Static Pressure) Range (inH2O)	0 to 1	0 to 1	0 to 1	0 to 1
Model	B-SWZ150E	B-SWZ150E	B-SWZ120E	B-SWZ120E
Transmission type	Direct transmission	Direct transmission	Direct transmission	Direct transmission
Fan motor	Speed (RPM)	800	800	800	800
	Electric power (W)	124	124	2 x 124	2 x 124
	Full load current (FLA) (A)	3	3	2 x 1.1	2 x 1.1
Material	Copper tube with inner groove – Aluminum fins	Copper tube with inner groove – Aluminum fins	Copper tube with inner groove – Aluminum fins	Copper tube with inner groove – Aluminum fins
Evaporator	Surface area (sq. ft./m²)	9.94 (0.92)	11.41 (1.06)	11.41 (1.06)	11.41 (1.06)
Evaporator	Pipe diameter (in.)	3/8	3/8	3/8	3/8
Fins type	Hydrophilic	Hydrophilic	Hydrophilic	Hydrophilic
Dimension (LxHxl) (in.)	30 3/32×36 13/32×1 1/2	30 3/32×36 13/32×1 1/2	39 1/2×36 13/32×2 19/64	39 1/2×36 13/32×2 19/64
System operation control	Wired controller	Wired controller	Wired controller	Wired controller
Weight - Net (lb/kg)	134.5 (61.5)	163 (74)	200.5 (91)	200.5 (91)
Weight - Gross (lb/kg)	143 (65.5)	178.5 (81)	218 (99)	218 (99)

Indoor Unit Dimensions

OAHX1-H24A-I Dimensions:

Front View: Width (A) 18 7/64 in (460 mm), Depth (B) 21 1/4 in (540 mm).
Side View: Height (C) 43 1/2 in (1105 mm).
Top View: Width (D) 11 5/8 in (295 mm), Depth (E) 16 47/64 in (425 mm).

OAHX1-H36A-I Dimensions:

Front View: Width (A) 21 1/4 in (540 mm), Depth (B) 21 1/4 in (540 mm).
Side View: Height (C) 48 3/16 in (1224 mm).
Top View: Width (D) 11 5/8 in (295 mm), Depth (E) 20 in (508 mm).

OAHX1-H48A-I Dimensions:

Front View: Width (A) 24 3/4 in (630 mm), Depth (B) 21 1/4 in (540 mm).
Side View: Height (C) 52 in (1321 mm).
Top View: Width (D) 11 5/8 in (295 mm), Depth (E) 20 in (508 mm).

OAHX1-H60A-I Dimensions:

Front View: Width (A) 24 3/4 in (630 mm), Depth (B) 21 1/4 in (540 mm).
Side View: Height (C) 52 in (1321 mm).
Top View: Width (D) 11 5/8 in (295 mm), Depth (E) 20 in (508 mm).

Compatibility Table for Electrical Heating Elements

Electric heater power	OAHX1-H24A-I	OAHX1-H36A-I	OAHX1-H48A-I	OAHX1-H60A-I
6kW	✓	✓	✓	✓
9kW	✓	✓	✓	✓
12kW	✓	✓	✓	✓

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