51
SETUP OF THE SYSTEM
Go to MENU> FOR SERVICEMAN> SPECIAL FUNCTION .
Use ▼ ▲ to scroll and use OK to enter.
During first operation of the unit, air may remain in the system which can case malfun-
ctions during operation . It is necessary to run the air purge function to release the air
(make sure the air purge valve is open) .
Go to FOR SERVICEMAN > 13 SPECIAL FUNCTION>13 .1AIR PURGE:
During air purge, the 3-way valve will open, and the 2-way valve will close . 60 seconds
later the pump in the unit (PUMPI) will operate for 10 min, during which the flow switch will
not work . After the pump stops, the 3-way valve will close and the 2-way valve will open .
60s later the both the PUMPI and PUMPO will operate until the stop command is received .
The number displayed on the page is the time that the air purge has run . During air purge,
all the buttons except OK are invalid . If you want to turn off the air purge, please press OK,
then the following page is displayed:
Use◄ ► to scroll and use OK to confirm.
If PREHEATING FOR FLOOR is selected, after press OK ,the page will displayed as
follows:
When the cursor is on T1S, dT1SH or t_fristFH, Use ◄ ►
and ▼ ▲ to scroll and adjust the parameter.
T1S is the target outlet water temperature in preheating for
floor mode. The T1S set here should be equal to the target
outlet water temperature set in the main page .
dT1SH is the temperature difference for stopping the unit .
(When T1≥T1S+dT1S occurs the heat pump will turn off)
t_fristFH is the time last for preheating floor.
The operation of the unit during preheating for floor descri-
bed in the picture below:
Special function
The SPECIAL FUNCTION contains AIR PURGE, PREHEATING FOR FLOOR, and FLOOR DRYING UP . It’s used in special
situations. For example: the initial start of the unit, initial running of floor heating.
NOTE: the special functions can be used by service man only, during special function operating other
functions(SCHDULE,HOLIDAY AWAY, HOLIDAY HOME) can’t be used .
13 SPECIAL FUNCTION
13.2 PREHEATING FOR FLOOR
13.3 FLOOR DRYING UP
13.1 AIR PURG
SCROLL
ENTER
OK
13.1 AIR PURGE
Air purge is running for 25
minutes.
CONFIRM
OK
13.1 AIR PURGE
Do you want to turn off the
air purge function?
SCROLL
CONFIRM
OK
NO
YES
13.2 PREHEATING FOR FLOOR
T1S
dT1SH
t_fristFH
OPERATE PREHEATING FOR FLOOR?
30°C
5°C
72 HOURS
SCROLL
NO
YES
T1s+dT1s
T1s
Compressor
Pump
30min t_interval_H
OFF
ON
OFF
ON
OFF
T1
OFF
OFF
OFF
OFF
OFF
OFF
ON
ON
ON
ON
ON
t_firstFH
t
Summary of Contents for RVL-I PLUS
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