Varmeteknikk MB 35, Installation, Operation & Service Manual

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Varmeteknikk AS August 2017 e-mail: post@varmeteknikk.no
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Error temp: Temperature sensor is broken
Alarm net: Control voltage < 190V
Alarm power: Power supply missing*
* Alarm power is activated if controller when reaching step 3, doesn’t measure any power. The
reason for this could be that main switch/circuit breaker on the switch board is OFF, security
temp. limiter (STB) released because of high temperature, heating element/fuse is broken, or
contactor is not connected.
Settings
Failure Menu button Enter button
Preset temperature:
Temperature range is from 30 – 95 °C. Preset temperature is factory set to 80 °
C
. If correction is
needed do the following:
Press
+ or – button to set desired temperature. Then press enter to save new value.
Step time:
Step time is adjustable between 20-250 sec. (factory setting is 40 sec.) and refer to connection of
power steps. When disconnecting power, step time is 5 sec. with step time below 60 sec., 10 sec
with step time above 60 sec. If correction is required do the following: Press menu button once to
enter step limitation mode. Then press
+ or – button. To enter step time mode press menu button.
With +/- button choose desired step time. Press E button to save new value.
Step 0( 7)
Step time 40s
►
Step lim 0( 7)
Step time 40s
Step lim 0( 7)
Step time 40s
►
Step 0( 7)
Step time 50s
To return to temp/power mode, press menu button.