Installation Manual

Eng-6
(2) Installation of duct connecting ange
1.
Install the duct connecting ange using attached mounting screws.
2. Fix the removed ange cover with the removed mounting
screws (4 pcs).
Mounting screw
(Accessory parts)
Duct connection ange
Ceiling suspension xture
4.2.2 When changing the direction of the out
door side duct (EA/OA) ···Except for
LGH-F940 and F1200RVX2-E
(1) Removal of ange cover
Unscrewing the ange cover mounting screws (4 pcs), remove the
ange cover.
Flange cover
Mounting screw
(for ange cover)
Ceiling suspension xture
4. Installation method (continued)
Names of components in control box
TM1
SW5
SW2
SW6
Grounding terminal
SW12
SW11
TM3
TB5
TM2
TM4
4.3 Electrical installation
With this product, the wiring installation method will vary according to
the design of the system.
Perform electrical installation to meet local electrical regulations.
* Always use double insulated PVC cable for the transmission cables.
* Wiring work must be performed by qualied professionals.
* All supply circuits must be disconnected before obtaining access to
the terminal devices.
CAUTION
Do not pull out preconnected connectors unnecessarily
during installation.
For LGH-F940 and F1200RVX2-E, thermistors are built only in
the lower unit. Lossnay unit controls its operation according
to the lower unit detecting temperature. Even when actual
return air temperature between the upper and the lower unit
is di󰀨erent, Lossnay operates according to the lower unit
temperature.
Do not carry out the following types of duct construction. (Doing so
could cause a drop in the air volume and generate abnormal noises.)
• Extremely
sharp bends
Multiple bends Bends right next
to the outlet
Extreme reduction in
the diameter of the
connected ducts