Installation Guide

Outdoor Unit Error Display
YN020GMFI22M2D, YN030GMFI22M3D, YN040GMFI22M4D, YN050GMFI22M5D
Display LED STATUS New indoor Error
E0 Outdoor unit EEPROM parameter error
F4
E2 Communication malfunction between indoor and outdoor units
E1
E3
Communication malfunction between IPM board and outdoor main control
board
——
E4
Outdoor temperature sensor (coil sensor T3,ambient sensor T4, Compressor
discharge sensor T5、indoor coil outlet pipe sensor T2B) malfunction
F2/F1/F3/F6
E5 Over-voltage or under-voltage protection
P1
E6 PFC module protection
——
E8 Outdoor fan speed has been out of control
F5
F1 No. A Indoor unit coil outlet temp. sensor malfunction
——
F2 No. B Indoor unit coil outlet temp. sensor malfunction
——
F3 No. C Indoor unit coil outlet temp. sensor malfunction
——
F4 No. D Indoor unit coil outlet temp. sensor malfunction
——
F5 No. E Indoor unit coil outlet temp. sensor malfunction
——
F6 No. F Indoor unit coil outlet temp. sensor malfunction
——
P0 Compressor top high temperature protection (OLP)
P2
P1 High pressure protection
P2
P2 Low pressure protection
P2
P3 Current overload protection
F0
P4 Temperature protection of compressor discharge
——
P5 Condenser high temperature protection
——
P6 Inverter module (IPM) malfunction P0
2-Zone 3-Zone 4-Zone 5-Zone
Pre-charged up to max total pipe length
m (ft)
15 (50 ft) 22.5 (75 ft) 30 (100 ft) 37.5 (125 ft)
Additional refrigerant
charge needed beyond
total max length
g
15 g per excess
meter beyond total 15
meters
15 g per excess
meter beyond total 23
meters
15 g per additional
feet beyond total 30
feet
15 g per additional
feet beyond total 38
feet
oz
0.16 oz per excess
foot beyond total 50
feet
0.16 oz per excess
foot beyond total 75
feet
0.16 oz per excess
foot beyond total 100
feet
0.16 oz per excess
foot beyond total 125
feet
Indoor unit
Extension pipe diameter (mm/inch)
Model Pipe diameter (mm/inch)
9K
Liquid 6.35 (1/4) Liquid 6.35 (1/4)
Gas 9.52 (3/8) Gas 9.52 (3/8)
12K 18K
Liquid 6.35 (1/4) Liquid 6.35 (1/4)
Gas 12.7 (1/2) Gas 12.7 (1/2)
24K
Liquid 9.52 (3/8) Liquid 9.52 (3/8)
Gas 15.9 (5/8) Gas 15.9 (5/8)
Outdoor unit union diameter (mm/inch)
Dual (2 Zone)
Liquid
6.35 (1/4)
*2
Gas
9.52 (3/8)
*2
Triple (3 Zone)
Liquid
6.35 (1/4) *3
Gas
9.52 (3/8)
*3
Quad (4 Zone)
Liquid
6.35 (1/4) *4
Gas
9.52 (3/8)
*3
12.7 (1/2) *1
Quint (5 Zone)
Liquid
6.35 (1/4) *5
Gas
9.52 (3/8)
*3
12.7 (1/2) *2
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