Alarm
Explanation
Do the following
Low SS
Indicates low supply air
temperature
The alarm is displayed in the control panel.
If water reheater is configured and frost protection
have failed, then an extra security function is triggered
when supply air temperature is lower than 5 °C and
outdoor air temperature is below 0 °C.
RH
Indicates malfunction of internal
relative humidity sensor.
The alarm is displayed in the control panel.
10.6 Replacing rotor drive belt
Note:
Depending on model, left or right, it may be necessary to remove the heat exchanger in order to replace a
broken drive belt since the belt pulley cannot be accessed.
If the rotor motor is placed at the back of the unit, it is recommended to remove the heat exchanger to
change the drive belt, see chapter 10.6.2.
If the alarm
Rotor
is raised, see chapter 10.5, the rotor drive belt may be damaged or broken.
The replacement drive belt (1) is adjustable and delivered with a nipple attached in one end.
Danger
• Make sure that the Mains supply to the unit is disconnected before performing any maintenance or
electrical work!
Warning
Risk of personal injury! The heat exchanger weighs about 14 kg. There is a risk that the heat exchanger
falls out of the unit.
Make sure that small children are not beneath the unit when the heat exchanger is removed!
Fig. 12 Rotor drive belt
10.6.1 Heat exchanger mounted
1. Stop the unit by disconnecting the mains.
SAVE VTR 200/B
Installation and Service
208061
40
Systemair Sverige AB
