9.3.9.
Selecting the fan speed control method
This setting is used to select whether to operate according to the
speed.
Switch
OFF
ON
Following the selected fan speed from
7
controllers.*
8
Following the selected fan speed from
7
controllers.
8
SW2
High fan speed mode (notch constantly on
7
high)
8
7
Low fan speed mode (notch constantly on
8
low)
* When factory shipped.
10. Check points after installation work
(1) Check points - Unit installation
Are the outdoor ducts (2) and the indoor supply duct (1) covered with heat insulating material? ..................................................page 7
Are the outdoor ducts provided with 1/30 or more downward gradient toward the wall? ...............................................................page 7
Are the outdoor ducts provided with enough distance of at least 1 m for type 50 and at least 2.5 m for type 100? .....................page 7
Is the Fresh Master securely installed without loose attachment? .................................................................................................page 6
Does the refrigerant type conform to the one indicated on the name plate? .................................................................................page 9
Has the gas leak test been conducted? .........................................................................................................................................page 9
Have the valves at both the higher and the lower pressure sides been checked to be fully open? ...............................................page 19
Has the power been turned on for at least 12 hours before test run? ............................................................................................page 6
(2) Check points - Wiring work
Is the wiring work the same as wring diagram? .............................................................................................................................
Is wiring securely connected to the terminal block? .......................................................................................................................page 16
Is the connecter on the circuit board connected certainly? ............................................................................................................
Is the unit properly grounded? .......................................................................................................................................................
(3) Check points - Switch setting
Are the Address setting switches (SW11 and SW12) set correctly? ..............................................................................................page 17
Are functions correctly set using the remote controller? ................................................................................................................page 20-21
11. Test run
Read the operation manual, too.
takes.
- Make sure using a 500 V DC megger that the resistance between
- Check that the valves at both the higher and the lower pressure
sides are fully open and fasten the cap without fail.
Mode
.........................................................................................................................................page 8
...............................................................................................................................................................page 16
9.3.10. Room temperature control (GUF-50,
100RD4 only)
Room temperature detected at main unit is decreased by 4°C when
heating.
Switch
OFF
8
SW3
8
9.3.11. Room temperature sensor position
(GUF-50, 100RD4 only)
Switch
OFF
9
SW3
9
.......................................................................................................page 8-11
................................................................page 6
.......................................................................................................
...........................................................................page 20
.......................................................................................page 17-20
Warning:
for transmission cables.
-
Caution:
- When operating the Fresh Master for a test run, be sure there
is no water leakage.
ON
Mode
Effective*
Ineffective
ON
Mode
Built in the Remote controller.
.......................................................page 8-11
..................................
................page 17
19