Nibe VVM 500 User Manual

Troubleshooting
If the operational interference is not shown in the display the following tips
can be used:
Basic actions
Start by checking the following possible fault sources:
႑
The switch's position.
႑
Group and main fuses of the accommodation.
႑
The property's earth circuit breaker.
Low hot water temperature or a lack of hot water
႑
Too high domestic water flow.
႑
Reduce the domestic water flow, see diagram of hot water capacity
in the installation manual.
႑
Indoor module in incorrect operating mode.
႑
If mode "manual" is selected, select "addition".
႑
Large hot water consumption.
႑
Wait until the hot water has heated up. Temporarily increased hot
water capacity (temporary lux) can be activated in menu 2.1.
႑
Too low hot water setting.
႑
Enter menu 2.2 and select a higher comfort mode.
Low room temperature
႑
Closed thermostats in several rooms.
႑
Indoor module in incorrect operating mode.
႑
Enter menu 4.2. If mode "auto" is selected, select a higher value on
"stop heating“ in menu 4.9.2.
႑
If mode "manual" is selected, select "heating". If this is not enough,
select "addition".
႑
Too low set value on the automatic heating control.
႑
Enter menu 1.1 (temperature) and adjust the heat curve offset of the
heat curve. If the room temperature is only low in cold weather the
curve slope in the menu 1.9.1 (heating curve) needs to be adjusted
up.
႑
Holiday mode activated in menu 1.3.4.
႑
Enter menu 1.3.4 and select “Off”.
59NIBE™ VVM 500Chapter 4 | Disturbances in comfort

Nibe VVM 500 Specifications

General

Brand	Nibe
Model	VVM 500
Category	Heat Pump
Language	English