GB Accessories
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47
• WH — water heating battery
• FPT — frost protection sensor
• SAT — supply air temperature sensor
• S — actuator for valve
• 1 — Outdoor air
• 2 — Supply air
• 3 — Extract air
• 4 — Exhaust air
Component/product — Article number:
• Water coil VTR 700 L (water coil for left version models) — 138101
• Water coil VTR 700 R (water coil for right version models) — 141101
• RVAZ4 24A Actuator 0-10V (S) — 9862
• ZTV 15-1,6 2-way valve — 9824
• ZTR 15-1,6 valve 3-way — 9673
Installation and connection
1. Remove plug and add the frost protection sensor. Tread seal the sensor.
2. Install water heater in the unit. Connect pipes, 2/3–way valve and actuator.
Important
Do NOT use 24V DC power output from the connection board for valve actuator.
3. Connect actuator (S) to any free analog output.
Fig. 16 Water heater connections
Configuration
1. Go to Service menu
2. Enter password (default 1111)
3. Activate the actuator. Go to Components menu, select Heater menu and select type as Water. Choose actuator
voltage type. Do advanced settings if necessary.
4. Configure connection of the water heater. Go to Service menu. Select Output menu. In next menu select ANALOG
tab. Select the analog output to which the water heater is connected. Example if it is connected to AO3 on the con-
nection board, then select ANALOG OUTPUT 3 and select Y1 Heating from the output type list.
5. Configure frost protection sensor (FPT). Go back to Input menu. Select ANALOG tab. Select the analog input to which
the frost protection sensor is connected. Example if it is connected to AI6 on the connection board, then select ANA-
LOG INPUT 6 and select Frost Protection Temperature Sensor (FPT) from the input type list.
6. Water heater and its components are now configured.
211480 | B003
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