SAVE VTR 300B SERVICE AND ACCESSORIES INSTALLATIONV1 20210616 121938589

Accessories
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5.3.2 Internal water heater
A water heating battery can be installed inside the unit and connected to water system.
• 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 SAVE VTR 300 — 141700
• RVAZ4 24A Actuator 0-10V (S) — 9862
• ZTV 15-0,4 2-way valve — 9829
• ZTV 15-0,6 2-way valve — 6571
• ZTR 15-0,4 valve 3-way — 9670
• ZTR 15-0,6 valve 3-way — 6573
• Transformer 24V — 202692
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. 10 Water heater connections
Configuration
1. Go to Service menu
2. Enter password (default 1111)
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