Installation Manual For Indoor Unit
(5) Installation of indoor unit
M10 nut
Fix the indoor unit to the hanger bolts.
If required, it is possible to suspend the unit to the beam, etc.
Directly by use of the bolts without using the hanger bolts.
Main unit
Note
Hanging bolt M10 washer
M10 spring washer
When the dimensions of main unit and ceiling holes does not match, it can be adjusted with the slot holes of hanging bracket.
Adjusting to the levelness
(a)Adjust the
Make adjustment so that the relation between the lower surface of the unit proper and water level in the hose becomes as given below.
Piping side Supply water
Water level
0~5 mm | PVC hose |
|
(0~0.2")
Bring the piping side slightly lower.
(b)Unless the adjustment to the levelness is made properly, malfunctioning or failure of the float switch may occur.
Tap selection on blower unit | (When the high performance filter is used.) |
Taps of blower unit are set at the standard selection at the shipping from factory. Where the static pressure is raised by employing such option as the high performance filter, etc., change the connection of connectors provided at the flank of control box as shown below.
| Standard tap (at shipping) |
|
| High speed tap |
|
| ||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
Control box side | White |
|
| White |
|
| White |
|
|
| Black |
|
Blue | Connector white | White | Blue | Moter side |
| Blue | Connector white |
|
| White | Moter side | |
Yellow | Yellow |
| Yellow | Red |
| Blue | ||||||
Red | Red |
| Red |
| Red | |||||||
|
|
|
|
|
|
|
|
|
| |||
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
(6)Drain Piping
(a)Drain piping should always be in a downhill grade (1/50~1/100) and avoid riding across an elevation or making traps.
Good piping | Inproper piping |
Suspension 1.5m ~ 2m |
|
bolts | Avoid riding across an elevation |
|
|
| Air vent |
|
| Keep free from traps | ||||
| Heat | A downhill grade |
|
|
|
| Do not pipe under water | ||
|
|
|
|
|
|
|
| ||
| insulation | of 1/100 or more |
|
|
|
|
|
|
|
(b) When connecting the drain pipe to unit, pay suffcient |
|
|
|
|
|
|
| ||
| attention not to apply excess force to the |
|
|
| Stage |
|
| ||
| piping on the unit side. Also, fix the piping at a |
|
| Drain socket | difference | Drain hose | |||
| point as close as possible to the unit. |
|
| part |
|
|
| ||
(c) |
| Drain socket |
|
|
|
| |||
For drain pipe, use hard PVC general purpose pipe |
|
|
|
| VP 25 joint | ||||
|
| Pipe cover(large) |
| ||||||
|
|
|
| (field purchased) | |||||
|
|
| [for insulation] |
|
| ||||
| connecting, insert a PVC pipe end securely into the | Main unit | (accessory) |
|
| ||||
|
|
|
|
|
| ||||
| drain socket before tightening securely using the |
|
|
|
|
|
| VP 25 | |
| attached drain hose and clamp. Adhesive must not |
|
|
| Drain hose |
| |||
|
|
|
|
| (field purchased) | ||||
| be used connection of the drain socket and drain |
|
| Clamp (accessory) |
|
| |||
|
|
| (accessory) | Adhesion | Pipe cover | ||||
| hose (accessory). |
|
| Pipe cover(small) |
|
| [for insulation] | ||
|
|
|
|
| (field purchased) | ||||
|
|
|
|
| [for insulation] |
|
|
| |
|
|
|
|
| (accessory) |
|
|
|
15