Principal Of Operation - Gree GMV-36WL/A-T(U) Manual

DC Inverter Side Discharge VRF Ⅱ for North America
4.3.3 Correction factor of pipe length and height difference
Symbol description:
Hp：Height difference in case indoor unit is below outdoor unit（m/feet）;
Hm: Height difference in case indoor unit is above outdoor unit （m/feet）;
L: Length of one-way equivalent pipe
Below table shows the capacity variance ratio for 100% full load in standard working
condition (thermostat setting is 16℃(61℉) for cooling and 30℃(86℉) for heating).
NOTE:
m 0 10 20
ft 0 33 66

5 Principal of Operation

Components in flowcharts are presented according to the following table:
Name Compressor
Symbol
Gas-liquid
Name
separator
Symbol
Variance ratio of heating capacity
30 40 50 60
98 131 164 197
Cut-off
4-way valve
valve
Pressure Pressure
switch sensor
6
70 80 90 100
230 262 295 328
One-way valve
Axial-flow finned heat
exchanger
110 120 130 140
361 394 427 459
Capillary tube
Electronic expansion valve
150
492