Room Thermostat Installation Configuration; Pump Operation Configuration - Daikin EKHBH008BB Series Installation Manual

DIP
switch
SS2 Description
1 Not applicable for installer
2 Domestic hot water tank
installation
(see "8.4. Domestic hot
water tank installation
configuration" on page
3 Room thermostat
connection
(see "8.2. Room
thermostat installation
configuration" on page
(a)
4 This setting decides the
operation mode of the
heat pump when there is a
simultaneous demand for
more space heating/
cooling and domestic
water heating.
(a) Only applicable in case DIP switch 2 = ON.
(b) Heating/cooling or domestic water heating mode can be restricted by schedule
timer and/or field settings (4, 5, 8).
8.2. Room thermostat installation configuration
■
When no room thermostat is connected to
the indoor unit, toggle switch SS2-3 should be
set to OFF.
■
When the room thermostat is connected to
the indoor unit, toggle switch SS2-3 should be
set to ON.
■
On the room thermostat, confirm the correct settings (6®02=yes,
6®05=9, 6®06=5) to prevent the pump from repeatedly turning on
and off (i.e. chattering), and thereby impacting the lifetime of
the pump.
INFORMATION
■
When the room thermostat is connected to the indoor
unit, the heating and cooling schedule timers are
never available. Other schedule timers are not
affected. For more information on the schedule timers,
refer to the operation manual.
■
When the room thermostat is connected to the indoor
unit, and the = button or y button is pressed, the
centralised control indicator e will flash to indicate
that the room thermostat has priority and controls on/
off operation and change over operation.
The following table summarizes the required configuration and
thermostat wiring at the terminal block (X2M: 1, 2, 3, 4) in the switch
box. Pump operation is listed in the third column. The three last
columns indicate whether the following functionality is available on
the user interface (UI) or handled by the thermostat (T):
• space heating or cooling on/off (y)
• heating/cooling changeover (=)
• heating and cooling schedule timers (pr)
EKHBH/X008BB
Indoor unit for air to water heat pump system
4PW62570-1A – 01.2011
ON
— (Default)
Installed Not installed
(Default)
25)
Room thermostat No room
connected thermostat
connected
(Default)
24)
Heating/cooling Priority to highest
priority demand side
1
1
Thermostat
No thermostat
OFF
Heating only
(b)
thermostat
Thermostat with
heating/cooling
switch
(a) The pump will stop when space heating/cooling is turned off or when the water
reaches the desired water temperature as set on the user interface. With space
2 3 4
heating/cooling turned on, the pump will then run every 5 minutes during 3
minutes to check the water temperature.
8.3. Pump operation configuration
2 3 4
INFORMATION
To set the pump speed, refer to
speed" on page
Without room thermostat: DIP switch SS2-3=OFF
When no thermostat is connected to the indoor unit, pump operation
will be determined by the leaving water temperature.
To force continuous pump operation when no room thermostat is
connected do the following:
- set toggle switch SS2-3 to ON,
- short-circuit the terminal numbers 1-2-4 on the terminal block
in the switch box.
With room thermostat DIP switch: SS2-3=ON
When the thermostat is connected to the indoor unit, the pump will
operate continuously whenever there is heating or cooling demand
requested by the thermostat.
Dual set point
When dual set point is enabled, the pump operation will be
determined depending on the status of the DIP switch SS2-3 and set
point selection contacts. Refer to the table below.
INFORMATION
When dual set point is enabled, the "forced continuous
pump operation" is not possible. When SS2-3 is ON while
SP1 and SP2 are both closed, the pump operation will be
the same operation as "with room thermostat" and the
second set point will be the applicable set point. See table
below.
The following table summarizes the required configuration and wiring
at the terminal block (X2M: 1, 2, 4) in the switch box. Pump operation
is listed in the third column. The three last columns indicate whether
the following functionality is available on the user interface (
handled by the set point selection contacts SP1 and SP2:
• space heating or cooling on/off (y)
• heating/cooling changeover (=)
• heating and cooling schedule timers (pr)
Configuration Pump operation
• SS2-3=OFF determined by
leaving water
• wiring: (non)
(a)
temperature
X2M
1 2 3 4
• SS2-3=ON on when space
heating or
• wiring:
cooling is on
(y)
X2M
1 2 3 4
• SS2-3=ON on when heating
request by room
• wiring: (see
thermostat
installation
manual of the
room
thermostat kit)
• SS2-3=ON on when heating
request or
• wiring: (see
cooling request
installation
by room
manual of the
thermostat
room
thermostat kit)
"8.8. Setting the pump
26.
y y y y = = = = p p p p r r r r
UI UI UI
UI UI UI
T — —
T T —
) or
UI
Installation manual
24