Mitsubishi Electric CITY MULTI PAC-AH001-1, Service Manual

Page: 28 / 48

7.4.4. Float switch control
[
VII
Microprocessor Control ]
- 13 -
HWE13010 GB
In the air : Detected that the float switch is OFF for 15 seconds.
2. Dry operation
1. Termoregulating function
(1) Thermo regulating function (Function to prevent restarting for 3 minutes)
Œ
Setting the Dry thermo by the thermo regulating signal and the room temperature (TH21).
Dry thermo ON Room temperature desired tempe 2°F
Dry thermo OFF Room temperature desired temperature
(2) Frozen prevention control
Œ
No control function
2. Fan
(1) Indoor fan operation controlled depends on the compressor conditions.
<How to operate>
1. Press POWER [ON/OFF] button.
2. Press the operation [Mode] button to display DRY.
3. Press the [Set Temperature] button to set the desired tempera-
ture.
The set temperature changes 2°F when the [Set Temperature]
button is pressed one time. Dry 67 to 87°F
Room temperature
3 min. passed since starting operation
Dry thermo
ON time (min)
Dry thermo
OFF time (min)
Thermo regulating signal Room temperature (T1)
Over 64°F
ON
T1 83°F 9 3
83°F > T1 79°F 7 3
79°F > T1 75°F 5 3
75°F > T1 3 3
OFF Unconditional 3 10
Less than 64°F Dry thermo OFF
Dry thermo Fan speed notch
ON [Low]
OFF
Excluding the following Stop
Room temp. < 64°F [Low]
ON
OFF
15sec. 15sec. 15sec. 1min.30sec. 1min.30sec.
Float SW
In the water In the air In the water Error
postponement
Drain pump
abnormal
PAR-21MAAU
ON/OFF
FILTER
CHECK
OPERATION CLEAR
TEST
TEMP.
MENU
BACK DAY MONITOR/SET
CLOCK
ON/OFF
˚F˚C
˚F˚C
ERROR CODE
AFTER
TIMER
TIME SUN MON TUE WED THU FRI SAT
ON
OFF
Hr
AFTER
FILTER
FUNCTION
ONLY1Hr.
WEEKLY
SIMPLE
AUTO OFF
7.5. Auto Operation [Automatic cool / heat change over operation]
7.5. Auto Operation [Automatic cool / heat change over operation]
Auto Operation
(Available Control Modes)
Control Mode
Return Air Control Discharge Air Control
Controller
Type
City Multi Controller
● ●
3
rd
Party
Controls
Type 1 *1
●
Type 2 *1 *2
*1 Return Air Control not available when operating with 3
rd
Party Controls
*2 Auto mode not available in Discharge Air Control with Type 2 operation using 3
rd
Party Controls
1.) How to operate
(1)Using City Multi Controller
1) Press POWER ON/OFF button.
2) Press the operation MODE button to display AUTO.
3) Press the TEMP. button to set the desired temperature.
Note:
The set temperature changes 2 °F when the TEMP. button is pressed one
time.
Auto Set-point Range with City Multi Controller
•
Return Air Control: 67~83 °F [19~28 °C]
•
Discharge Air Control: 63~83 °F [17~28 °C]
(2)Using 3
rd
Party Controller
1) Close the contact for “Remote Signal Input” on TB-B to turn unit ON.
2) Input 0-10 VDC signal to “Analog Input” on TB-A to set the temperature set point
Control Type
Type 1 (For Temperature Control)
(SWA-2)
Type 2 (For Capacity Control)
(SWA-3)
Control
Relationship
(COOL &
HEAT)
Set point temperature = 5.6 X Ain + 40.96 [°F]
[Ain = Input Temperature]
Auto mode N/A for Type 2 Control
Auto mode N/A for Type 2 Control
Note:
HEAT operation mode must be set using City Multi controller
Auto Set-point Range with 3
rd
Party Controller
•
Discharge Air Control: 46.4~82.4 °F [8~28 °C]
2.) Initial operation mode
(1) HEAT Mode: Room temperature < Desired temperature
(2) COOL Mode: R
oom temperature ≥ Desired temperature
7.5.1. How to operate
(1) Using CITY MULTI Controller
.
1. Press POWER ON/OFF button.
2. Press the operation MODE button to display AUTO.
3. Press the TEMP. button to set the desired temperature.
NOTE
The set temperature changes 2 °F when
the
TEMP. button is pressed one time.
Auto Set-point Range with City Multi Controller
• Return Air Control: 67~83 °F [19~28 °C]
• Discharge Air Control: 63~83 °F [17~28 °C]
(2) Using 3rd Party Controller
1. Close the contact for “Remote Signal Input” on TB-B to turn unit ON
2. Input 0-10 VDC signal to “Analog Input” on TB-A to set the temperature set point
PAC-AH001-1
Specifications are subject to change without notice. 28