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Product specifications

WSTBEZ-J071-MT1F(K)

VRF system — Wall-mounted indoor unit

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The Welkin WSTBEZ-J071-MT1F(K) — VRF Wall-mounted indoor unit.
ModelWSTBEZ-J071-MT1F(K)
SeriesWall-mounted IDU
Capacity (ton)2
Capacity (kW)7.1
QCC RegistrationRegistered
RegionUAE

Indoor unit

Power supply (V / Hz / phase)220–240 / 50 (60) / 1
Cooling capacity (kW)7.1
Heating capacity (kW)8
Indoor air flow by fan speed, high → low (m³/h)1000 / 900 / 800
Noise level by fan speed, high → low (dB(A))44 / 40 / 37
External static pressure, default (range) (Pa)0
Net dimensions (W × D × H, mm)1132 × 330 × 232
Packing dimensions (W × D × H, mm)1205 × 400 × 317
Net weight (kg)15.5
Gross weight (kg)19
Operating temperature (°C)16–32
Application area (m²)30–50

Fan motor and coil

Fan motor modelD-310-50-8A 310V
Fan motor brandWEILING
Fan motor output (W)40
Fan speed by setting, high → low (rpm)1100 / 1000 / 900
Coil rows2
Fin pitch (mm)1.4
Fin materialHydrophilic aluminium fin
Tube outside Ø (mm) and typeØ 7, inner grooved
Heat exchange area (m²)12.79

Refrigerant pipe and wiring

Refrigerant pipe, liquid side, Ø (mm)6.35
Refrigerant pipe, gas side, Ø (mm)15.88
DrainageR3/4 in (DN20)
Power wiring, indoor (mm²)3 × 1.5
A/B signal wiring, IDU–ODU and IDU–IDU (mm²)2 × 0.5

Product features

Superb craftsmanship

A slim, quiet wall unit finished to sit in a living room rather than hide in a plant room.

Wired control

Takes a wired wall controller as well as the infrared remote.

Two-way drain connection

The condensate drain can leave the unit on either side, whichever suits the pipework.