– 16 –
6. CONTROL OUTLINE
No. Item Specification Remarks
1 Upon power
supply reset
1. Identification of outdoor unit
When the power supply is reset, the outdoor unit is identified, and control is
redirected according to the identification result.
2. If power supply reset is performed in the wake of a trouble, the check code is cleared.
If the abnormality persists after the Start / Stop button on the remote controller is
pushed to resume operation, the check code is redisplayed on the remote controller.
2 Operation
selection
1. The operation mode changes in response to an operation selection command
issued via the remote controller.
Remote controller command Control outline
4 Water
temperature
control
After heating start, water temperature is controled the follwing tasks;
Thermostat OFF with the following conditions.
1) TWO - Ts continued in I zone for 10 minutes.
2) TWO - Ts become J zone.
3) When Ts = TWI
4) When TWI ≥ 45˚C continued for 1 minute, or TWI ≥ 44˚C and TWO ≥ 46˚C continued
for 1 minute
Ts: Temperature
setting
TWO: Water outlet
temperature
TWI: Water inlet
temperature
5 Control outline
about pump,
heater, and
solenoid valve
As the following table, the pump , heater, and solenoid valve are controlled depending
on Outdoor unit and HWM operation mode.
Outdoor unit
operation
mode
HWM operation mode Pump *1 Heater Solenoid valve
*1 It takes about 1
minute to operate
the pump after
HWM has started to
operate.
*2 For heater control,
refer to item "No.6
Heater control".
*3 "To prevent the
Water Heat
exchanger from
freezing ,the pump
and heater operate
regardless of
Outdoor unit / HWM
operation mode.
For details , refer to
item "No.7 Water
Heat exchanger
frost prevention".
Cooling
Cooling thermostat ON This operation mode does not exist because HWM has
only Heating mode.
Stop OFF OFF OFF
Cooling thermostat OFF
Cooling oil
(refrigerant)
recovery
control
Cooling thermostat ON This operation mode does not exist because HWM has
only Heating mode.
Stop ON OFF ON
Cooling thermostat OFF
Heating
Heating thermostat ON
ON OFF
Depend on heater
control. *2
Stop OFF OFF OFF
Heating thermostat OFF ON OFF OFF
Heating
refrigerant (oil)
recovery
control
Heating thermostat ON
ON OFF
Depend on heater
control. *2
Stop OFF OFF OFF
Heating thermostat OFF ON OFF OFF
Defrosting
control
Heating thermostat ON
ON ON
Depend on heater
control. *2
Stop ON OFF ON
StopStop OFF OFF OFF
Heating thermostat OFF ON OFF ON
STOP Hot water module shutdown
HEAT Heating operation
3 Water outlet
temperature
control
1. Adjustment range - remote controller temperature setting (˚C)
HEAT
Wired type 25~50
– 1.5
TWO – Ts
2
5
I
J
Thermostat ON
To Next Page
Loading...
