Daikin RHBH11CB [43/112] K1m k2m k2m

Daikin RHBH11CB [43/112] K1m k2m k2m
7 Installation
Installer reference guide
43
RRLQ004~008CA + RHBH/X04+08CB
ROTEX HPSU low temperature Bi‑bloc
4P384979-1B – 2016.02
3 Fix the cable with cable ties to the cable tie mountings.
4 Configure the user interface for the respective power supply.
See "8.2.2Quick wizard: Standard"on page48.
During connection of the backup heater, miswiring is possible. To
detect possible miswiring, it is highly recommended to measure the
resistance value of the heater elements. Depending on the different
backup heater types, following resistance values (see table below)
should be measured. ALWAYS measure the resistance on the
contactor clamps K1M, K2M, and K5M.
3kW
1~
230V
6kW
1~
230V
6kW
3~
230V
6kW
3N~
400V
9kW
3N~
400V
K1M/1 K5M/13 52.9Ω 52.9Ω 52.9Ω
K1M/3 105.8Ω 105.8Ω
K1M/5 105.8Ω 105.8Ω
K1M/3 K1M/5 26.5Ω 26.5Ω 26.5Ω 105.8Ω 105.8Ω
K2M/1 K5M/13 26.5Ω 26.5Ω
K2M/3 52.9Ω 52.9Ω
K2M/5 52.9Ω 52.9Ω
K2M/3 K2M/5 52.9Ω 52.9Ω 52.9Ω 52.9Ω 52.9Ω
K1M/5 K2M/1
Example measure resistance between K1M/1 and K5M/13:
K1M K2MK2M
1 3 5 13
2 4 6 14
K5M
1 3 5 13
2 4 6 14
1 3 5 13
2 4 6 14
Ω
Ω
7.9.9 To connect the user interface
If you use 1 user interface, you can install it at the indoor unit (for
control close to the indoor unit), or in the room (when used as
room thermostat).
If you use 2 user interfaces, you can install 1 user interface at the
indoor unit (for control close to the indoor unit) + 1 user interface
in the room (used as room thermostat).
The procedure differs slightly depending on where you install the
user interface.
# At the indoor unit In the room
1 Connect the user interface cable to the indoor unit.
Fix the cable with cable ties to the cable tie mountings.
X2M
X5M
A2P A2P
21
a b
a Main user interface
(a)
b Optional user interface
2 Insert a screwdriver into the slots underneath the user
interface and carefully separate the faceplate from the
wallplate.
The PCB is mounted in the faceplate of the user interface.
Be careful NOT to damage it.
3 Use the 2 screws in the accessory
bag to fix the wallplate of the user
interface to the sheet metal of the
unit.
Be careful NOT to distort the shape
of the backside of the user interface
by overtightening the mounting
screws.
Fix the wallplate of
the user interface to
the wall.
4 Connect as shown in 4A. Connect as shown
in 4A, 4B, 4C or 4D.
5 Reinstall the faceplate onto the wallplate.
Be careful NOT to pinch the wiring when attaching the
frontplate to the unit.
(a) The main user interface is required for operation, but has to
be ordered separately (mandatory option).

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