Piping Diagram - Gree U-MATCH B Series Manual

Notes:
RLA: Rated load amperes
LRA: Locked rotor amperes
FLA: Full load current
①. The fuse is located on the main board.
②. Install the disconnect device with a contact gap of at least 3mm (1/8inch) in all poles nearby the
units (Both indoor unit and outdoor unit).The appliance must be positioned so that the plug is
accessible.
③. Take 2 pieces of power cord of 0.75mm
and outdoor unit, with their longest lengths of 50m (164feet). Please select the appropriate line
length as per the actual installation conditions. The communication lines can not be twisted
together. For the unit (≤30k), it's recommended to use 8m (26-1/4feet) long communication line.
④. Take 2 pieces of power cord of 0.75mm
controller and the indoor unit, with their longest lengths of 30m (98-2/5feet). Please select the
appropriate line length as per the actual installation conditions. The communication lines can not
be twisted together. It's recommended to use 8m (26-1/4feet) long communication line.
⑤. The wire size of the communication line should be no less than 0.75mm
recommended to take 0.75mm

4 PIPING DIAGRAM

TH-OE
Condenser
TH-D
4-Way Valve
Muffler
TH-OE: Outdoor Environment Thermal Bulb
TH-C: Outdoor Condenser Thermal Bulb
TH-D: Compressor Discharge Thermal Bulb
U-MATCH SERIES DC INVERTER AIR CONDITIONERS SERVICE MANUAL
2
(AWG18) as the communication lines between indoor
2
(AWG18) as the communication lines between the wired
2
(AWG18) power cords as the communication line.
Outdoor Unit
Filter Filter
Electronic Expansion Valve
Filter
High Pressure
Switch
Accumulator
Compressor
Low Pressure Switch
TH-C
Liquid Solid Valve
with Service Port
Gas Stop Valve
with Service Port
Cooling
Heating
10
2
(AWG18). It's
Indoor Unit
Liquid Solid
Valve
TH-IE
Gas Stop
Valve
TH-IE: Indoor Environment Thermal Bulb
TH-E: Indoor Evaporator Thermal Bulb
Evaporator
TH-E