Check Points After Installation Work - Mitsubishi Electric Fresh Master GUF-50RDH4 Installation Instructions Manual

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