Gree U-MATCH B Series, Руководство пользователя

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U-MATCH SERIES DC INVERTER AIR CONDITIONERS SERVICE MANUAL
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Name Product code Remark
Centralized controller CE50-24/E MC207025
Only 16 sets of unit in maximum can be connected to this
controller
7.2.5 Light board control:
Light board interface is reserved on the mainboard of duct type unit. You can purchase Gree light
board to realize control of the unit. When wired control is also connected, you can realize control of the
unit through light board and wired controller.
Light board information:
Name Product code Remark
Receiving board Z6L 30260000001 Only for duct type unit
There are two buttons on the light board to control ON/OFF of cooling and heating. There are also
other indicators and nixie tube display.
Cooling: set temperature 26°(79
℉
), low fan speed; heating: set temperature 20°(68
℉
), low fan
speed
Function instructions: under OFF state, pressing Cool/Heat button can turn on cooling/heating mode.
Under unit ON state, pressing Cool/Heat button can turn off the unit. When the unit is in cooling/heating
mode, pressing any button can turn off the unit.
Figure 2-7-14
7.2.6 Malfunction output of relay:
There is malfunction outlet signal on the mainboard of indoor unit; when the unit occurs unrecovered
malfunction, this signal will be output.
(1) Interface instruction:
1) Printing: X5, ERROR
2)
Electrical characteristic OF malfunction indicator or electric bell: 220V~AC, power≤10W
3) Working principle: when the unit occurs unrecovered malfunction, the relay will suck and 220V
AC signal will be output.
(2) Function instructions:
When the user needs centralized control over several units, malfunction signals can be connected
to control room through this malfunction output interface. The user can indicate the unit malfunction
through malfunction indicator or electric bell, so the management people can go to check the malfunction