McQuay MWM - Sequential LCD; Operating Guide

MCQUAY Service Guide Book Handset Operating Guide
17
4.8 Sequential Controller
Operating Guide
1. “ON/OFF” Switch
• Caution: In the case when the ON/OFF
key is pressed immediately after the
operation is stopped, the unit will not
restart until 3 minutes later to protect the
compressor.
2. Selecting Operating Mode
• Press the MODE key to select the type of
operating mode. Consecutive press of the
key switches the operation over “COOL”,
“HEAT”, “AUTO” and “FAN”
3. SAVE Mode
• Press the SAVE key to select the energy
saving function. This option is only
available for “COOL”, “HEAT” and “AUTO”
modes.
4. Auxiliary Electric Heater
• If the “HEAT” mode provides insufficient
heating to a room even at the highest
temperature setting (30°C), press the
HEATER key to activate the auxiliary
electric heater. For models with two
heaters, consecutive press of the key
allows the selection of one or both heaters
active.
5. Temperature Setting
• To set the desired room temperature,
press or to increase or
decrease the set temperature in the range
of 16°C to 30°C.
• Press both and
simultaneously to toggle between °C and
°F setting.
6. Time Setting
Real time clock
• Press the CLOCK key once to activate
set clock mode.
• Press again to disable set clock mode.
• Under set clock mode, the time of the
present day can be set by pressing the
respective MINUTE, HOUR and DAY key.
7 days timer
• Press the ON TIMER key to activate auto
ON timer mode. Under this mode, press
the respective MINUTE, HOUR and DAY
key to select the time of the week when
the air-conditioning unit is to automatically
start running. Press ON TIMER key again
to save the setting.
• Press the OFF TIMER key to activate
auto OFF timer mode. Under this mode,
press the respective MINUTE, HOUR and
DAY key to select the time of the week
when the air-conditioning unit is to
automatically stop running. Press the ON
TIMER key again to save the setting.
• Then to activate the 7 days timer, press
the HOLD key until the word “TIMER
ACTIVE” appears on the LCD screen.
Repeat the same step to disable the 7
days timer.
7. Other Function
Key Lock
• Press the MINUTE key 3 times
consecutively to activate the key lock. A
“KEY LOCK” symbol will appear on the
LCD screen. At this point, only the
ON/OFF key is valid.
• To disable the key lock, again press the
MINUTE key 3 times consecutively.
Test Run
• Press the TEST RUN key 2 times
consecutively to test run the unit.
4.9 Netware 3 / Netware 3C
A : Time F : Energy saving mode
B : Error indication G : Compressor defrost
C : Comp. running cycle (up to 4 comps.)
(up to 4 comps.) H : Operation mode
D : Key lock I : Temperature set
E : Heater (up to 2 heaters)