【 Weak current College 】 McQuay air conditioning control panel operation manual

I. McQuay air conditioning MAC air cooled modular chillers

1 switch on machine
· Press ON/OFF key on the unit (RUN lights), shutdown (RUN the lights).

2 mode select
· Press "mode" key can be used in cooling/heating mode to switch between, it should be noted that mode switch must be in the shutdown, this compressor can play a protective role.

3 parameter query
· Use the controller to query arbitrary it networking one unit of work status and parameters (which compressor at work, set temperature 35℃，inlet water temperature and the actual water temperature and set water temperature and the actual water temperature, unit of timings, refrigeration and freezing temperatures, anti-freezing defrost temperature, temperature, etc.).
· Press "set" key unit number flashing, press "▲" or the "▼" key to adjust the unit number, view the different units of the current parameter to the query parameter to a unit of work, the Unit found enquiries, press "OK" key to query the unit of work parameters, press the "▲" or the "▼" key to view the set of different parameters.

4 parameter settings
Press the "set" key unit number flashing, press "▲" or the "▼" key to adjust the unit number, found to set parameters of the unit, press the "OK" key to set the unit of work parameters (the parameters can be set are: cooling water inlet temperature, cooling water temperature, heating water temperature, heating water temperature, freezing temperatures, in addition to the dew point temperature, dew point A B temperature, defrost temperature). (password:55)
Press the "▲" or the "▼" key to select a set of parameters, press the "OK" key you can press "▲" or the "▼" key to set the parameter values, set is complete press the "OK" key to save the settings.
Repeat step ② to set other parameters.

5 real time clock settings
· Use needle tool press the "mode" button at the top of the hole, the LCD display on the set of "week" of the words, "▲" or the "▼" key to set the current time is the day of the week, set up, and then press the small weeks set successfully, and at the same time, the monitor displays the words "clock setting", time flashes, press "▲" keys to modify the hours, by modifying the "▼" key, then press the small hole minutes to save the setting of the clock.

6 timing settings
Press the "scheduled" keys simultaneously displayed on the monitor after setting the "week" and "timings" typeface, then press the "▲" or the "▼" keys to select the time you want to set the timing in the week, select the right and press "OK" button, the monitor displays "timings" typeface, then press the "▲" key to select which day you want to set the timing (set of 4, in the "units" above), press the "▼" keys to select the "timed out" or "timer off", press "OK" keys and then pressing "▲" keys to modify the hours, by modifying the "▼" key, set the time in minutes after pressing the "OK" key to save the timings.
Repeat steps ① to set other timing settings. If you want to cancel a scheduled set, just set it's scheduled time is set to 0: 00 in the morning.

Note: the regular boot and regular shutdown is to line controller clock on time, if the clock is not accurate, regular boot and regular shutdown time also will be closed. In the course of timer settings, press the "set" and "mode" and "password" and other key will exit timer setting (don't save settings).

7 defrosting
· Unit in heating State press "▲" or the "▼" key until the "manual defrost" appears, press the "OK" key, i.e. enter manual defrosting. Exit the defrosting of condition: ① defrosting time is greater than 10 minutes walk or ② if you defrost temperature probe detects temperature is greater than the set temperature of defrosting and defrosting time is greater than 1 minute.

8 reset
· Press "▲" keys at the top of the small hole can be reset.