Wiring Diagram SAVE VTR 200/B, VTR 300, VTR 500
3 ( 3 )
Symbol descriptions
Symbol
Description
Symbol
Description
SF
Supply air fan.
Damper motor Outdoor air
EF
Extract air fan.
Damper motor Exhaust air
SS
Supply air temperature sensor.
1
Circuit board, PCU – PB.
ETS
Extract air temperature sensor.
Sum alarm, Max 24V, 1A
ELH
Electrical re-heater battery.
Fan configuration: (std.: EF = High, SF = High).
OT
Overheat protection sensor.
2
Fan configuration: (std.: EF = Low, SF = Low).
OS
Outdoor air sensor.
Fan configuration: (std.: EF = Low, SF = High).
FPS
Frost protection sensor, type TG-A130
3
Disconnected re-heater battery.
RM
Rotor motor.
Extended running.
ET1
Emergency thermostat, manual reset 75° C (normally closed contact)
Home/leave.
ET2
Emergency thermostat, automatic reset 60° C (normally closed contact)
B
Blue.
RGS
Rotor guard sensor
Br
Brown.
Mains supply 230 V~ .
Bl
Black.
Internal control panel.
R
Red.
External control panel.
Y
Yellow.
Water valve actuator, heating
Gr
Grey.
Water valve actuator, cooling
W
White.
1. For water heating/cooling battery, type TG-K360.
2. Units with electrical re-heater battery.
3. Water heating battery.
Systemair AB · Industrivägen 3, SE-739 30 Skinnskatteberg, Sweden · Phone +46 222 440 00 Fax +46 222 440 99
208063-en_GB- vA003